diff options
Diffstat (limited to 'drivers')
418 files changed, 4854 insertions, 2269 deletions
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 09f37b516808..4dde37c3d8fc 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -61,6 +61,7 @@ ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header); ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX); ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX); ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX); +ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX); #if (!ACPI_REDUCED_HARDWARE) ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS); diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index f7731f260c31..591ea95319e2 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -85,7 +85,7 @@ void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded); /* * tbfadt - FADT parse/convert/validate */ -void acpi_tb_parse_fadt(u32 table_index); +void acpi_tb_parse_fadt(void); void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length); @@ -138,8 +138,6 @@ acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id); */ acpi_status acpi_tb_initialize_facs(void); -u8 acpi_tb_tables_loaded(void); - void acpi_tb_print_table_header(acpi_physical_address address, struct acpi_table_header *header); diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index faad911d46b5..10ce48e16ebf 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -71,7 +71,7 @@ acpi_status acpi_enable(void) /* ACPI tables must be present */ - if (!acpi_tb_tables_loaded()) { + if (acpi_gbl_fadt_index == ACPI_INVALID_TABLE_INDEX) { return_ACPI_STATUS(AE_NO_ACPI_TABLES); } diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index 455a0700db39..a6454f4a6fb3 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -298,7 +298,7 @@ acpi_tb_select_address(char *register_name, u32 address32, u64 address64) * * FUNCTION: acpi_tb_parse_fadt * - * PARAMETERS: table_index - Index for the FADT + * PARAMETERS: None * * RETURN: None * @@ -307,7 +307,7 @@ acpi_tb_select_address(char *register_name, u32 address32, u64 address64) * ******************************************************************************/ -void acpi_tb_parse_fadt(u32 table_index) +void acpi_tb_parse_fadt(void) { u32 length; struct acpi_table_header *table; @@ -319,11 +319,11 @@ void acpi_tb_parse_fadt(u32 table_index) * Get a local copy of the FADT and convert it to a common format * Map entire FADT, assumed to be smaller than one page. */ - length = acpi_gbl_root_table_list.tables[table_index].length; + length = acpi_gbl_root_table_list.tables[acpi_gbl_fadt_index].length; table = - acpi_os_map_memory(acpi_gbl_root_table_list.tables[table_index]. - address, length); + acpi_os_map_memory(acpi_gbl_root_table_list. + tables[acpi_gbl_fadt_index].address, length); if (!table) { return; } diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 4337990127cc..d8ddef38c947 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -99,29 +99,6 @@ acpi_status acpi_tb_initialize_facs(void) /******************************************************************************* * - * FUNCTION: acpi_tb_tables_loaded - * - * PARAMETERS: None - * - * RETURN: TRUE if required ACPI tables are loaded - * - * DESCRIPTION: Determine if the minimum required ACPI tables are present - * (FADT, FACS, DSDT) - * - ******************************************************************************/ - -u8 acpi_tb_tables_loaded(void) -{ - - if (acpi_gbl_root_table_list.current_table_count >= 4) { - return (TRUE); - } - - return (FALSE); -} - -/******************************************************************************* - * * FUNCTION: acpi_tb_check_dsdt_header * * PARAMETERS: None @@ -392,7 +369,8 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address) ACPI_COMPARE_NAME(&acpi_gbl_root_table_list. tables[table_index].signature, ACPI_SIG_FADT)) { - acpi_tb_parse_fadt(table_index); + acpi_gbl_fadt_index = table_index; + acpi_tb_parse_fadt(); } next_table: diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 2614a839c60d..42c66b64c12c 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1044,8 +1044,10 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) goto err_exit; mutex_lock(&ec->mutex); + result = -ENODATA; list_for_each_entry(handler, &ec->list, node) { if (value == handler->query_bit) { + result = 0; q->handler = acpi_ec_get_query_handler(handler); ec_dbg_evt("Query(0x%02x) scheduled", q->handler->query_bit); diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 6da0f9beab19..c9336751e5e3 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -372,6 +372,7 @@ static int acpi_isa_register_gsi(struct pci_dev *dev) /* Interrupt Line values above 0xF are forbidden */ if (dev->irq > 0 && (dev->irq <= 0xF) && + acpi_isa_irq_available(dev->irq) && (acpi_isa_irq_to_gsi(dev->irq, &dev_gsi) == 0)) { dev_warn(&dev->dev, "PCI INT %c: no GSI - using ISA IRQ %d\n", pin_name(dev->pin), dev->irq); diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 3b4ea98e3ea0..7c8408b946ca 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -498,8 +498,7 @@ int __init acpi_irq_penalty_init(void) PIRQ_PENALTY_PCI_POSSIBLE; } } - /* Add a penalty for the SCI */ - acpi_irq_penalty[acpi_gbl_FADT.sci_interrupt] += PIRQ_PENALTY_PCI_USING; + return 0; } @@ -553,6 +552,13 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) irq = link->irq.possible[i]; } } + if (acpi_irq_penalty[irq] >= PIRQ_PENALTY_ISA_ALWAYS) { + printk(KERN_ERR PREFIX "No IRQ available for %s [%s]. " + "Try pci=noacpi or acpi=off\n", + acpi_device_name(link->device), + acpi_device_bid(link->device)); + return -ENODEV; + } /* Attempt to enable the link device at this IRQ. */ if (acpi_pci_link_set(link, irq)) { @@ -821,6 +827,12 @@ void acpi_penalize_isa_irq(int irq, int active) } } +bool acpi_isa_irq_available(int irq) +{ + return irq >= 0 && (irq >= ARRAY_SIZE(acpi_irq_penalty) || + acpi_irq_penalty[irq] < PIRQ_PENALTY_ISA_ALWAYS); +} + /* * Penalize IRQ used by ACPI SCI. If ACPI SCI pin attributes conflict with * PCI IRQ attributes, mark ACPI SCI as ISA_ALWAYS so it won't be use for diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c index 950fff9ce453..a12ff9863d7e 100644 --- a/drivers/base/dma-contiguous.c +++ b/drivers/base/dma-contiguous.c @@ -187,7 +187,7 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base, * global one. Requires architecture specific dev_get_cma_area() helper * function. */ -struct page *dma_alloc_from_contiguous(struct device *dev, int count, +struct page *dma_alloc_from_contiguous(struct device *dev, size_t count, unsigned int align) { if (align > CONFIG_CMA_ALIGNMENT) diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c index 2a4154a09e4d..85e17bacc834 100644 --- a/drivers/base/power/domain_governor.c +++ b/drivers/base/power/domain_governor.c @@ -77,13 +77,16 @@ static bool default_stop_ok(struct device *dev) dev_update_qos_constraint); if (constraint_ns > 0) { - constraint_ns -= td->start_latency_ns; + constraint_ns -= td->save_state_latency_ns + + td->stop_latency_ns + + td->start_latency_ns + + td->restore_state_latency_ns; if (constraint_ns == 0) return false; } td->effective_constraint_ns = constraint_ns; - td->cached_stop_ok = constraint_ns > td->stop_latency_ns || - constraint_ns == 0; + td->cached_stop_ok = constraint_ns >= 0; + /* * The children have been suspended already, so we don't need to take * their stop latencies into account here. @@ -126,18 +129,6 @@ static bool default_power_down_ok(struct dev_pm_domain *pd) off_on_time_ns = genpd->power_off_latency_ns + genpd->power_on_latency_ns; - /* - * It doesn't make sense to remove power from the domain if saving - * the state of all devices in it and the power off/power on operations - * take too much time. - * - * All devices in this domain have been stopped already at this point. - */ - list_for_each_entry(pdd, &genpd->dev_list, list_node) { - if (pdd->dev->driver) - off_on_time_ns += - to_gpd_data(pdd)->td.save_state_latency_ns; - } min_off_time_ns = -1; /* @@ -193,7 +184,6 @@ static bool default_power_down_ok(struct dev_pm_domain *pd) * constraint_ns cannot be negative here, because the device has * been suspended. */ - constraint_ns -= td->restore_state_latency_ns; if (constraint_ns <= off_on_time_ns) return false; diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c index 28cd75c535b0..7ae7cd990fbf 100644 --- a/drivers/base/power/opp.c +++ b/drivers/base/power/opp.c @@ -892,10 +892,17 @@ static int opp_get_microvolt(struct dev_pm_opp *opp, struct device *dev) u32 microvolt[3] = {0}; int count, ret; - count = of_property_count_u32_elems(opp->np, "opp-microvolt"); - if (!count) + /* Missing property isn't a problem, but an invalid entry is */ + if (!of_find_property(opp->np, "opp-microvolt", NULL)) return 0; + count = of_property_count_u32_elems(opp->np, "opp-microvolt"); + if (count < 0) { + dev_err(dev, "%s: Invalid opp-microvolt property (%d)\n", + __func__, count); + return count; + } + /* There can be one or three elements here */ if (count != 1 && count != 3) { dev_err(dev, "%s: Invalid number of elements in opp-microvolt property (%d)\n", @@ -1063,7 +1070,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_add); * share a common logic which is isolated here. * * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the - * copy operation, returns 0 if no modifcation was done OR modification was + * copy operation, returns 0 if no modification was done OR modification was * successful. * * Locking: The internal device_opp and opp structures are RCU protected. @@ -1151,7 +1158,7 @@ unlock: * mutex locking or synchronize_rcu() blocking calls cannot be used. * * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the - * copy operation, returns 0 if no modifcation was done OR modification was + * copy operation, returns 0 if no modification was done OR modification was * successful. */ int dev_pm_opp_enable(struct device *dev, unsigned long freq) @@ -1177,7 +1184,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_enable); * mutex locking or synchronize_rcu() blocking calls cannot be used. * * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the - * copy operation, returns 0 if no modifcation was done OR modification was + * copy operation, returns 0 if no modification was done OR modification was * successful. */ int dev_pm_opp_disable(struct device *dev, unsigned long freq) diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index f42f2bac6466..4c55cfbad19e 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -32,8 +32,7 @@ static DEFINE_MUTEX(regmap_debugfs_early_lock); /* Calculate the length of a fixed format */ static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size) { - snprintf(buf, buf_size, "%x", max_val); - return strlen(buf); + return snprintf(NULL, 0, "%x", max_val); } static ssize_t regmap_name_read_file(struct file *file, @@ -432,7 +431,7 @@ static ssize_t regmap_access_read_file(struct file *file, /* If we're in the region the user is trying to read */ if (p >= *ppos) { /* ...but not beyond it */ - if (buf_pos >= count - 1 - tot_len) + if (buf_pos + tot_len + 1 >= count) break; /* Format the register */ diff --git a/drivers/block/loop.c b/drivers/block/loop.c index f9889b6bc02c..674f800a3b57 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1486,17 +1486,16 @@ static void loop_handle_cmd(struct loop_cmd *cmd) { const bool write = cmd->rq->cmd_flags & REQ_WRITE; struct loop_device *lo = cmd->rq->q->queuedata; - int ret = -EIO; + int ret = 0; - if (write && (lo->lo_flags & LO_FLAGS_READ_ONLY)) + if (write && (lo->lo_flags & LO_FLAGS_READ_ONLY)) { + ret = -EIO; goto failed; + } ret = do_req_filebacked(lo, cmd->rq); - failed: - if (ret) - cmd->rq->errors = -EIO; - blk_mq_complete_request(cmd->rq); + blk_mq_complete_request(cmd->rq, ret ? -EIO : 0); } static void loop_queue_write_work(struct work_struct *work) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 293495a75d3d..1b87623381e2 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -60,6 +60,7 @@ struct nbd_device { bool disconnect; /* a disconnect has been requested by user */ struct timer_list timeout_timer; + spinlock_t tasks_lock; struct task_struct *task_recv; struct task_struct *task_send; @@ -140,21 +141,23 @@ static void sock_shutdown(struct nbd_device *nbd) static void nbd_xmit_timeout(unsigned long arg) { struct nbd_device *nbd = (struct nbd_device *)arg; - struct task_struct *task; + unsigned long flags; if (list_empty(&nbd->queue_head)) return; nbd->disconnect = true; - task = READ_ONCE(nbd->task_recv); - if (task) - force_sig(SIGKILL, task); + spin_lock_irqsave(&nbd->tasks_lock, flags); + + if (nbd->task_recv) + force_sig(SIGKILL, nbd->task_recv); - task = READ_ONCE(nbd->task_send); - if (task) + if (nbd->task_send) force_sig(SIGKILL, nbd->task_send); + spin_unlock_irqrestore(&nbd->tasks_lock, flags); + dev_err(nbd_to_dev(nbd), "Connection timed out, killed receiver and sender, shutting down connection\n"); } @@ -403,17 +406,24 @@ static int nbd_thread_recv(struct nbd_device *nbd) { struct request *req; int ret; + unsigned long flags; BUG_ON(nbd->magic != NBD_MAGIC); sk_set_memalloc(nbd->sock->sk); + spin_lock_irqsave(&nbd->tasks_lock, flags); nbd->task_recv = current; + spin_unlock_irqrestore(&nbd->tasks_lock, flags); ret = device_create_file(disk_to_dev(nbd->disk), &pid_attr); if (ret) { dev_err(disk_to_dev(nbd->disk), "device_create_file failed!\n"); + + spin_lock_irqsave(&nbd->tasks_lock, flags); nbd->task_recv = NULL; + spin_unlock_irqrestore(&nbd->tasks_lock, flags); + return ret; } @@ -429,7 +439,9 @@ static int nbd_thread_recv(struct nbd_device *nbd) device_remove_file(disk_to_dev(nbd->disk), &pid_attr); + spin_lock_irqsave(&nbd->tasks_lock, flags); nbd->task_recv = NULL; + spin_unlock_irqrestore(&nbd->tasks_lock, flags); if (signal_pending(current)) { siginfo_t info; @@ -534,8 +546,11 @@ static int nbd_thread_send(void *data) { struct nbd_device *nbd = data; struct request *req; + unsigned long flags; + spin_lock_irqsave(&nbd->tasks_lock, flags); nbd->task_send = current; + spin_unlock_irqrestore(&nbd->tasks_lock, flags); set_user_nice(current, MIN_NICE); while (!kthread_should_stop() || !list_empty(&nbd->waiting_queue)) { @@ -572,7 +587,15 @@ static int nbd_thread_send(void *data) nbd_handle_req(nbd, req); } + spin_lock_irqsave(&nbd->tasks_lock, flags); nbd->task_send = NULL; + spin_unlock_irqrestore(&nbd->tasks_lock, flags); + + /* Clear maybe pending signals */ + if (signal_pending(current)) { + siginfo_t info; + dequeue_signal_lock(current, ¤t->blocked, &info); + } return 0; } @@ -1052,6 +1075,7 @@ static int __init nbd_init(void) nbd_dev[i].magic = NBD_MAGIC; INIT_LIST_HEAD(&nbd_dev[i].waiting_queue); spin_lock_init(&nbd_dev[i].queue_lock); + spin_lock_init(&nbd_dev[i].tasks_lock); INIT_LIST_HEAD(&nbd_dev[i].queue_head); mutex_init(&nbd_dev[i].tx_lock); init_timer(&nbd_dev[i].timeout_timer); diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index a295b98c6bae..1c9e4fe5aa44 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -289,7 +289,7 @@ static inline void null_handle_cmd(struct nullb_cmd *cmd) case NULL_IRQ_SOFTIRQ: switch (queue_mode) { case NULL_Q_MQ: - blk_mq_complete_request(cmd->rq); + blk_mq_complete_request(cmd->rq, cmd->rq->errors); break; case NULL_Q_RQ: blk_complete_request(cmd->rq); diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index b97fc3fe0916..ccc0c1f93daa 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -603,31 +603,34 @@ static void req_completion(struct nvme_queue *nvmeq, void *ctx, struct nvme_iod *iod = ctx; struct request *req = iod_get_private(iod); struct nvme_cmd_info *cmd_rq = blk_mq_rq_to_pdu(req); - u16 status = le16_to_cpup(&cqe->status) >> 1; + bool requeue = false; + int error = 0; if (unlikely(status)) { if (!(status & NVME_SC_DNR || blk_noretry_request(req)) && (jiffies - req->start_time) < req->timeout) { unsigned long flags; + requeue = true; blk_mq_requeue_request(req); spin_lock_irqsave(req->q->queue_lock, flags); if (!blk_queue_stopped(req->q)) blk_mq_kick_requeue_list(req->q); spin_unlock_irqrestore(req->q->queue_lock, flags); - return; + goto release_iod; } + if (req->cmd_type == REQ_TYPE_DRV_PRIV) { if (cmd_rq->ctx == CMD_CTX_CANCELLED) - req->errors = -EINTR; + error = -EINTR; else - req->errors = status; + error = status; } else { - req->errors = nvme_error_status(status); + error = nvme_error_status(status); } - } else - req->errors = 0; + } + if (req->cmd_type == REQ_TYPE_DRV_PRIV) { u32 result = le32_to_cpup(&cqe->result); req->special = (void *)(uintptr_t)result; @@ -636,8 +639,9 @@ static void req_completion(struct nvme_queue *nvmeq, void *ctx, if (cmd_rq->aborted) dev_warn(nvmeq->dev->dev, "completing aborted command with status:%04x\n", - status); + error); +release_iod: if (iod->nents) { dma_unmap_sg(nvmeq->dev->dev, iod->sg, iod->nents, rq_data_dir(req) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); @@ -650,7 +654,8 @@ static void req_completion(struct nvme_queue *nvmeq, void *ctx, } nvme_free_iod(nvmeq->dev, iod); - blk_mq_complete_request(req); + if (likely(!requeue)) + blk_mq_complete_request(req, error); } /* length is in bytes. gfp flags indicates whether we may sleep. */ @@ -863,8 +868,7 @@ static int nvme_queue_rq(struct blk_mq_hw_ctx *hctx, if (ns && ns->ms && !blk_integrity_rq(req)) { if (!(ns->pi_type && ns->ms == 8) && req->cmd_type != REQ_TYPE_DRV_PRIV) { - req->errors = -EFAULT; - blk_mq_complete_request(req); + blk_mq_complete_request(req, -EFAULT); return BLK_MQ_RQ_QUEUE_OK; } } @@ -1806,7 +1810,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio) length = (io.nblocks + 1) << ns->lba_shift; meta_len = (io.nblocks + 1) * ns->ms; - metadata = (void __user *)(unsigned long)io.metadata; + metadata = (void __user *)(uintptr_t)io.metadata; write = io.opcode & 1; if (ns->ext) { @@ -1846,7 +1850,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio) c.rw.metadata = cpu_to_le64(meta_dma); status = __nvme_submit_sync_cmd(ns->queue, &c, NULL, - (void __user *)io.addr, length, NULL, 0); + (void __user *)(uintptr_t)io.addr, length, NULL, 0); unmap: if (meta) { if (status == NVME_SC_SUCCESS && !write) { @@ -1888,7 +1892,7 @@ static int nvme_user_cmd(struct nvme_dev *dev, struct nvme_ns *ns, timeout = msecs_to_jiffies(cmd.timeout_ms); status = __nvme_submit_sync_cmd(ns ? ns->queue : dev->admin_q, &c, - NULL, (void __user *)cmd.addr, cmd.data_len, + NULL, (void __user *)(uintptr_t)cmd.addr, cmd.data_len, &cmd.result, timeout); if (status >= 0) { if (put_user(cmd.result, &ucmd->result)) @@ -2439,6 +2443,22 @@ static void nvme_scan_namespaces(struct nvme_dev *dev, unsigned nn) list_sort(NULL, &dev->namespaces, ns_cmp); } +static void nvme_set_irq_hints(struct nvme_dev *dev) +{ + struct nvme_queue *nvmeq; + int i; + + for (i = 0; i < dev->online_queues; i++) { + nvmeq = dev->queues[i]; + + if (!nvmeq->tags || !(*nvmeq->tags)) + continue; + + irq_set_affinity_hint(dev->entry[nvmeq->cq_vector].vector, + blk_mq_tags_cpumask(*nvmeq->tags)); + } +} + static void nvme_dev_scan(struct work_struct *work) { struct nvme_dev *dev = container_of(work, struct nvme_dev, scan_work); @@ -2450,6 +2470,7 @@ static void nvme_dev_scan(struct work_struct *work) return; nvme_scan_namespaces(dev, le32_to_cpup(&ctrl->nn)); kfree(ctrl); + nvme_set_irq_hints(dev); } /* @@ -2953,22 +2974,6 @@ static const struct file_operations nvme_dev_fops = { .compat_ioctl = nvme_dev_ioctl, }; -static void nvme_set_irq_hints(struct nvme_dev *dev) -{ - struct nvme_queue *nvmeq; - int i; - - for (i = 0; i < dev->online_queues; i++) { - nvmeq = dev->queues[i]; - - if (!nvmeq->tags || !(*nvmeq->tags)) - continue; - - irq_set_affinity_hint(dev->entry[nvmeq->cq_vector].vector, - blk_mq_tags_cpumask(*nvmeq->tags)); - } -} - static int nvme_dev_start(struct nvme_dev *dev) { int result; @@ -3010,8 +3015,6 @@ static int nvme_dev_start(struct nvme_dev *dev) if (result) goto free_tags; - nvme_set_irq_hints(dev); - dev->event_limit = 1; return result; @@ -3062,7 +3065,6 @@ static int nvme_dev_resume(struct nvme_dev *dev) } else { nvme_unfreeze_queues(dev); nvme_dev_add(dev); - nvme_set_irq_hints(dev); } return 0; } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index d93a0372b37b..128e7df5b807 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -96,6 +96,8 @@ static int atomic_dec_return_safe(atomic_t *v) #define RBD_MINORS_PER_MAJOR 256 #define RBD_SINGLE_MAJOR_PART_SHIFT 4 +#define RBD_MAX_PARENT_CHAIN_LEN 16 + #define RBD_SNAP_DEV_NAME_PREFIX "snap_" #define RBD_MAX_SNAP_NAME_LEN \ (NAME_MAX - (sizeof (RBD_SNAP_DEV_NAME_PREFIX) - 1)) @@ -426,7 +428,7 @@ static ssize_t rbd_add_single_major(struct bus_type *bus, const char *buf, size_t count); static ssize_t rbd_remove_single_major(struct bus_type *bus, const char *buf, size_t count); -static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping); +static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth); static void rbd_spec_put(struct rbd_spec *spec); static int rbd_dev_id_to_minor(int dev_id) @@ -1863,9 +1865,11 @@ static void rbd_osd_req_callback(struct ceph_osd_request *osd_req, rbd_osd_read_callback(obj_request); break; case CEPH_OSD_OP_SETALLOCHINT: - rbd_assert(osd_req->r_ops[1].op == CEPH_OSD_OP_WRITE); + rbd_assert(osd_req->r_ops[1].op == CEPH_OSD_OP_WRITE || + osd_req->r_ops[1].op == CEPH_OSD_OP_WRITEFULL); /* fall through */ case CEPH_OSD_OP_WRITE: + case CEPH_OSD_OP_WRITEFULL: rbd_osd_write_callback(obj_request); break; case CEPH_OSD_OP_STAT: @@ -2401,7 +2405,10 @@ static void rbd_img_obj_request_fill(struct rbd_obj_request *obj_request, opcode = CEPH_OSD_OP_ZERO; } } else if (op_type == OBJ_OP_WRITE) { - opcode = CEPH_OSD_OP_WRITE; + if (!offset && length == object_size) + opcode = CEPH_OSD_OP_WRITEFULL; + else + opcode = CEPH_OSD_OP_WRITE; osd_req_op_alloc_hint_init(osd_request, num_ops, object_size, object_size); num_ops++; @@ -3760,6 +3767,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) /* set io sizes to object size */ segment_size = rbd_obj_bytes(&rbd_dev->header); blk_queue_max_hw_sectors(q, segment_size / SECTOR_SIZE); + q->limits.max_sectors = queue_max_hw_sectors(q); blk_queue_max_segments(q, segment_size / SECTOR_SIZE); blk_queue_max_segment_size(q, segment_size); blk_queue_io_min(q, segment_size); @@ -3772,6 +3780,9 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) blk_queue_max_discard_sectors(q, segment_size / SECTOR_SIZE); q->limits.discard_zeroes_data = 1; + if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC)) + q->backing_dev_info.capabilities |= BDI_CAP_STABLE_WRITES; + disk->queue = q; q->queuedata = rbd_dev; @@ -5125,44 +5136,51 @@ out_err: return ret; } -static int rbd_dev_probe_parent(struct rbd_device *rbd_dev) +/* + * @depth is rbd_dev_image_probe() -> rbd_dev_probe_parent() -> + * rbd_dev_image_probe() recursion depth, which means it's also the + * length of the already discovered part of the parent chain. + */ +static int rbd_dev_probe_parent(struct rbd_device *rbd_dev, int depth) { struct rbd_device *parent = NULL; - struct rbd_spec *parent_spec; - struct rbd_client *rbdc; int ret; if (!rbd_dev->parent_spec) return 0; - /* - * We need to pass a reference to the client and the parent - * spec when creating the parent rbd_dev. Images related by - * parent/child relationships always share both. - */ - parent_spec = rbd_spec_get(rbd_dev->parent_spec); - rbdc = __rbd_get_client(rbd_dev->rbd_client); - ret = -ENOMEM; - parent = rbd_dev_create(rbdc, parent_spec, NULL); - if (!parent) + if (++depth > RBD_MAX_PARENT_CHAIN_LEN) { + pr_info("parent chain is too long (%d)\n", depth); + ret = -EINVAL; + goto out_err; + } + + parent = rbd_dev_create(rbd_dev->rbd_client, rbd_dev->parent_spec, + NULL); + if (!parent) { + ret = -ENOMEM; goto out_err; + } - ret = rbd_dev_image_probe(parent, false); + /* + * Images related by parent/child relationships always share + * rbd_client and spec/parent_spec, so bump their refcounts. + */ + __rbd_get_client(rbd_dev->rbd_client); + rbd_spec_get(rbd_dev->parent_spec); + + ret = rbd_dev_image_probe(parent, depth); if (ret < 0) goto out_err; + rbd_dev->parent = parent; atomic_set(&rbd_dev->parent_ref, 1); - return 0; + out_err: - if (parent) { - rbd_dev_unparent(rbd_dev); + rbd_dev_unparent(rbd_dev); + if (parent) rbd_dev_destroy(parent); - } else { - rbd_put_client(rbdc); - rbd_spec_put(parent_spec); - } - return ret; } @@ -5280,7 +5298,7 @@ static void rbd_dev_image_release(struct rbd_device *rbd_dev) * parent), initiate a watch on its header object before using that * object to get detailed information about the rbd image. */ -static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping) +static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth) { int ret; @@ -5298,7 +5316,7 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping) if (ret) goto err_out_format; - if (mapping) { + if (!depth) { ret = rbd_dev_header_watch_sync(rbd_dev); if (ret) { if (ret == -ENOENT) @@ -5319,7 +5337,7 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping) * Otherwise this is a parent image, identified by pool, image * and snap ids - need to fill in names for those ids. */ - if (mapping) + if (!depth) ret = rbd_spec_fill_snap_id(rbd_dev); else ret = rbd_spec_fill_names(rbd_dev); @@ -5341,12 +5359,12 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping) * Need to warn users if this image is the one being * mapped and has a parent. */ - if (mapping && rbd_dev->parent_spec) + if (!depth && rbd_dev->parent_spec) rbd_warn(rbd_dev, "WARNING: kernel layering is EXPERIMENTAL!"); } - ret = rbd_dev_probe_parent(rbd_dev); + ret = rbd_dev_probe_parent(rbd_dev, depth); if (ret) goto err_out_probe; @@ -5357,7 +5375,7 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping) err_out_probe: rbd_dev_unprobe(rbd_dev); err_out_watch: - if (mapping) + if (!depth) rbd_dev_header_unwatch_sync(rbd_dev); out_header_name: kfree(rbd_dev->header_name); @@ -5420,7 +5438,7 @@ static ssize_t do_rbd_add(struct bus_type *bus, spec = NULL; /* rbd_dev now owns this */ rbd_opts = NULL; /* rbd_dev now owns this */ - rc = rbd_dev_image_probe(rbd_dev, true); + rc = rbd_dev_image_probe(rbd_dev, 0); if (rc < 0) goto err_out_rbd_dev; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index e93899cc6f60..6ca35495a5be 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -144,7 +144,7 @@ static void virtblk_done(struct virtqueue *vq) do { virtqueue_disable_cb(vq); while ((vbr = virtqueue_get_buf(vblk->vqs[qid].vq, &len)) != NULL) { - blk_mq_complete_request(vbr->req); + blk_mq_complete_request(vbr->req, vbr->req->errors); req_done = true; } if (unlikely(virtqueue_is_broken(vq))) diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index deb3f001791f..767657565de6 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -212,6 +212,9 @@ static int xen_blkif_map(struct xen_blkif *blkif, grant_ref_t *gref, static int xen_blkif_disconnect(struct xen_blkif *blkif) { + struct pending_req *req, *n; + int i = 0, j; + if (blkif->xenblkd) { kthread_stop(blkif->xenblkd); wake_up(&blkif->shutdown_wq); @@ -238,13 +241,28 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) /* Remove all persistent grants and the cache of ballooned pages. */ xen_blkbk_free_caches(blkif); + /* Check that there is no request in use */ + list_for_each_entry_safe(req, n, &blkif->pending_free, free_list) { + list_del(&req->free_list); + + for (j = 0; j < MAX_INDIRECT_SEGMENTS; j++) + kfree(req->segments[j]); + + for (j = 0; j < MAX_INDIRECT_PAGES; j++) + kfree(req->indirect_pages[j]); + + kfree(req); + i++; + } + + WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages)); + blkif->nr_ring_pages = 0; + return 0; } static void xen_blkif_free(struct xen_blkif *blkif) { - struct pending_req *req, *n; - int i = 0, j; xen_blkif_disconnect(blkif); xen_vbd_free(&blkif->vbd); @@ -257,22 +275,6 @@ static void xen_blkif_free(struct xen_blkif *blkif) BUG_ON(!list_empty(&blkif->free_pages)); BUG_ON(!RB_EMPTY_ROOT(&blkif->persistent_gnts)); - /* Check that there is no request in use */ - list_for_each_entry_safe(req, n, &blkif->pending_free, free_list) { - list_del(&req->free_list); - - for (j = 0; j < MAX_INDIRECT_SEGMENTS; j++) - kfree(req->segments[j]); - - for (j = 0; j < MAX_INDIRECT_PAGES; j++) - kfree(req->indirect_pages[j]); - - kfree(req); - i++; - } - - WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages)); - kmem_cache_free(xen_blkif_cachep, blkif); } diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 0823a96902f8..a69c02dadec0 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1142,6 +1142,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) RING_IDX i, rp; unsigned long flags; struct blkfront_info *info = (struct blkfront_info *)dev_id; + int error; spin_lock_irqsave(&info->io_lock, flags); @@ -1182,37 +1183,37 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) continue; } - req->errors = (bret->status == BLKIF_RSP_OKAY) ? 0 : -EIO; + error = (bret->status == BLKIF_RSP_OKAY) ? 0 : -EIO; switch (bret->operation) { case BLKIF_OP_DISCARD: if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) { struct request_queue *rq = info->rq; printk(KERN_WARNING "blkfront: %s: %s op failed\n", info->gd->disk_name, op_name(bret->operation)); - req->errors = -EOPNOTSUPP; + error = -EOPNOTSUPP; info->feature_discard = 0; info->feature_secdiscard = 0; queue_flag_clear(QUEUE_FLAG_DISCARD, rq); queue_flag_clear(QUEUE_FLAG_SECDISCARD, rq); } - blk_mq_complete_request(req); + blk_mq_complete_request(req, error); break; case BLKIF_OP_FLUSH_DISKCACHE: case BLKIF_OP_WRITE_BARRIER: if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) { printk(KERN_WARNING "blkfront: %s: %s op failed\n", info->gd->disk_name, op_name(bret->operation)); - req->errors = -EOPNOTSUPP; + error = -EOPNOTSUPP; } if (unlikely(bret->status == BLKIF_RSP_ERROR && info->shadow[id].req.u.rw.nr_segments == 0)) { printk(KERN_WARNING "blkfront: %s: empty %s op failed\n", info->gd->disk_name, op_name(bret->operation)); - req->errors = -EOPNOTSUPP; + error = -EOPNOTSUPP; } - if (unlikely(req->errors)) { - if (req->errors == -EOPNOTSUPP) - req->errors = 0; + if (unlikely(error)) { + if (error == -EOPNOTSUPP) + error = 0; info->feature_flush = 0; xlvbd_flush(info); } @@ -1223,7 +1224,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) dev_dbg(&info->xbdev->dev, "Bad return from blkdev data " "request: %x\n", bret->status); - blk_mq_complete_request(req); + blk_mq_complete_request(req, error); break; default: BUG(); @@ -1955,7 +1956,8 @@ static void blkback_changed(struct xenbus_device *dev, break; /* Missed the backend's Closing state -- fallthrough */ case XenbusStateClosing: - blkfront_closing(info); + if (info) + blkfront_closing(info); break; } } diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index 1a82f3a17681..0ebca8ba7bc4 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -36,7 +36,6 @@ config ARM_CCI400_PORT_CTRL config ARM_CCI500_PMU bool "ARM CCI500 PMU support" - default y depends on (ARM && CPU_V7) || ARM64 depends on PERF_EVENTS select ARM_CCI_PMU diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c index 7d9879e166cf..7082c7268845 100644 --- a/drivers/bus/arm-ccn.c +++ b/drivers/bus/arm-ccn.c @@ -1184,11 +1184,12 @@ static int arm_ccn_pmu_cpu_notifier(struct notifier_block *nb, if (!cpumask_test_and_clear_cpu(cpu, &dt->cpu)) break; target = cpumask_any_but(cpu_online_mask, cpu); - if (target < 0) + if (target >= nr_cpu_ids) break; perf_pmu_migrate_context(&dt->pmu, cpu, target); cpumask_set_cpu(target, &dt->cpu); - WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0); + if (ccn->irq) + WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0); default: break; } diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c index c0eaf0973bd2..779b6ff0c7ad 100644 --- a/drivers/clk/clkdev.c +++ b/drivers/clk/clkdev.c @@ -333,7 +333,8 @@ int clk_add_alias(const char *alias, const char *alias_dev_name, if (IS_ERR(r)) return PTR_ERR(r); - l = clkdev_create(r, alias, "%s", alias_dev_name); + l = clkdev_create(r, alias, alias_dev_name ? "%s" : NULL, + alias_dev_name); clk_put(r); return l ? 0 : -ENODEV; diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c index 5837eb8a212f..85da8b983256 100644 --- a/drivers/clk/mvebu/clk-cpu.c +++ b/drivers/clk/mvebu/clk-cpu.c @@ -197,6 +197,7 @@ static void __init of_cpu_clk_setup(struct device_node *node) for_each_node_by_type(dn, "cpu") { struct clk_init_data init; struct clk *clk; + struct clk *parent_clk; char *clk_name = kzalloc(5, GFP_KERNEL); int cpu, err; @@ -208,8 +209,9 @@ static void __init of_cpu_clk_setup(struct device_node *node) goto bail_out; sprintf(clk_name, "cpu%d", cpu); + parent_clk = of_clk_get(node, 0); - cpuclk[cpu].parent_name = of_clk_get_parent_name(node, 0); + cpuclk[cpu].parent_name = __clk_get_name(parent_clk); cpuclk[cpu].clk_name = clk_name; cpuclk[cpu].cpu = cpu; cpuclk[cpu].reg_base = clock_complex_base; diff --git a/drivers/clk/samsung/clk-cpu.c b/drivers/clk/samsung/clk-cpu.c index 7c1e1f58e2da..2fe37f708dc7 100644 --- a/drivers/clk/samsung/clk-cpu.c +++ b/drivers/clk/samsung/clk-cpu.c @@ -164,7 +164,7 @@ static int exynos_cpuclk_pre_rate_change(struct clk_notifier_data *ndata, * the values for DIV_COPY and DIV_HPM dividers need not be set. */ div0 = cfg_data->div0; - if (test_bit(CLK_CPU_HAS_DIV1, &cpuclk->flags)) { + if (cpuclk->flags & CLK_CPU_HAS_DIV1) { div1 = cfg_data->div1; if (readl(base + E4210_SRC_CPU) & E4210_MUX_HPM_MASK) div1 = readl(base + E4210_DIV_CPU1) & @@ -185,7 +185,7 @@ static int exynos_cpuclk_pre_rate_change(struct clk_notifier_data *ndata, alt_div = DIV_ROUND_UP(alt_prate, tmp_rate) - 1; WARN_ON(alt_div >= MAX_DIV); - if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) { + if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) { /* * In Exynos4210, ATB clock parent is also mout_core. So * ATB clock also needs to be mantained at safe speed. @@ -206,7 +206,7 @@ static int exynos_cpuclk_pre_rate_change(struct clk_notifier_data *ndata, writel(div0, base + E4210_DIV_CPU0); wait_until_divider_stable(base + E4210_DIV_STAT_CPU0, DIV_MASK_ALL); - if (test_bit(CLK_CPU_HAS_DIV1, &cpuclk->flags)) { + if (cpuclk->flags & CLK_CPU_HAS_DIV1) { writel(div1, base + E4210_DIV_CPU1); wait_until_divider_stable(base + E4210_DIV_STAT_CPU1, DIV_MASK_ALL); @@ -225,7 +225,7 @@ static int exynos_cpuclk_post_rate_change(struct clk_notifier_data *ndata, unsigned long mux_reg; /* find out the divider values to use for clock data */ - if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) { + if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) { while ((cfg_data->prate * 1000) != ndata->new_rate) { if (cfg_data->prate == 0) return -EINVAL; @@ -240,7 +240,7 @@ static int exynos_cpuclk_post_rate_change(struct clk_notifier_data *ndata, writel(mux_reg & ~(1 << 16), base + E4210_SRC_CPU); wait_until_mux_stable(base + E4210_STAT_CPU, 16, 1); - if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) { + if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) { div |= (cfg_data->div0 & E4210_DIV0_ATB_MASK); div_mask |= E4210_DIV0_ATB_MASK; } diff --git a/drivers/clk/ti/clk-3xxx.c b/drivers/clk/ti/clk-3xxx.c index 676ee8f6d813..8831e1a05367 100644 --- a/drivers/clk/ti/clk-3xxx.c +++ b/drivers/clk/ti/clk-3xxx.c @@ -374,7 +374,6 @@ static struct ti_dt_clk omap3xxx_clks[] = { DT_CLK(NULL, "gpio2_ick", "gpio2_ick"), DT_CLK(NULL, "wdt3_ick", "wdt3_ick"), DT_CLK(NULL, "uart3_ick", "uart3_ick"), - DT_CLK(NULL, "uart4_ick", "uart4_ick"), DT_CLK(NULL, "gpt9_ick", "gpt9_ick"), DT_CLK(NULL, "gpt8_ick", "gpt8_ick"), DT_CLK(NULL, "gpt7_ick", "gpt7_ick"), @@ -519,6 +518,7 @@ static struct ti_dt_clk am35xx_clks[] = { static struct ti_dt_clk omap36xx_clks[] = { DT_CLK(NULL, "omap_192m_alwon_fck", "omap_192m_alwon_fck"), DT_CLK(NULL, "uart4_fck", "uart4_fck"), + DT_CLK(NULL, "uart4_ick", "uart4_ick"), { .node_name = NULL }, }; diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index 9b5b289e6334..a911d7de3377 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -18,7 +18,6 @@ #include "clock.h" -#define DRA7_DPLL_ABE_DEFFREQ 180633600 #define DRA7_DPLL_GMAC_DEFFREQ 1000000000 #define DRA7_DPLL_USB_DEFFREQ 960000000 @@ -313,27 +312,12 @@ static struct ti_dt_clk dra7xx_clks[] = { int __init dra7xx_dt_clk_init(void) { int rc; - struct clk *abe_dpll_mux, *sys_clkin2, *dpll_ck, *hdcp_ck; + struct clk *dpll_ck, *hdcp_ck; ti_dt_clocks_register(dra7xx_clks); omap2_clk_disable_autoidle_all(); - abe_dpll_mux = clk_get_sys(NULL, "abe_dpll_sys_clk_mux"); - sys_clkin2 = clk_get_sys(NULL, "sys_clkin2"); - dpll_ck = clk_get_sys(NULL, "dpll_abe_ck"); - - rc = clk_set_parent(abe_dpll_mux, sys_clkin2); - if (!rc) - rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ); - if (rc) - pr_err("%s: failed to configure ABE DPLL!\n", __func__); - - dpll_ck = clk_get_sys(NULL, "dpll_abe_m2x2_ck"); - rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ * 2); - if (rc) - pr_err("%s: failed to configure ABE DPLL m2x2!\n", __func__); - dpll_ck = clk_get_sys(NULL, "dpll_gmac_ck"); rc = clk_set_rate(dpll_ck, DRA7_DPLL_GMAC_DEFFREQ); if (rc) diff --git a/drivers/clk/ti/clkt_dflt.c b/drivers/clk/ti/clkt_dflt.c index 90d7d8a21c49..1ddc288fce4e 100644 --- a/drivers/clk/ti/clkt_dflt.c +++ b/drivers/clk/ti/clkt_dflt.c @@ -222,7 +222,7 @@ int omap2_dflt_clk_enable(struct clk_hw *hw) } } - if (unlikely(!clk->enable_reg)) { + if (unlikely(IS_ERR(clk->enable_reg))) { pr_err("%s: %s missing enable_reg\n", __func__, clk_hw_get_name(hw)); ret = -EINVAL; @@ -264,7 +264,7 @@ void omap2_dflt_clk_disable(struct clk_hw *hw) u32 v; clk = to_clk_hw_omap(hw); - if (!clk->enable_reg) { + if (IS_ERR(clk->enable_reg)) { /* * 'independent' here refers to a clock which is not * controlled by its parent. diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c index 29ea50ac366a..a2cb6fae9295 100644 --- a/drivers/clocksource/arm_global_timer.c +++ b/drivers/clocksource/arm_global_timer.c @@ -60,7 +60,7 @@ static struct clock_event_device __percpu *gt_evt; * different to the 32-bit upper value read previously, go back to step 2. * Otherwise the 64-bit timer counter value is correct. */ -static u64 gt_counter_read(void) +static u64 notrace _gt_counter_read(void) { u64 counter; u32 lower; @@ -79,6 +79,11 @@ static u64 gt_counter_read(void) return counter; } +static u64 gt_counter_read(void) +{ + return _gt_counter_read(); +} + /** * To ensure that updates to comparator value register do not set the * Interrupt Status Register proceed as follows: @@ -201,7 +206,7 @@ static struct clocksource gt_clocksource = { #ifdef CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK static u64 notrace gt_sched_clock_read(void) { - return gt_counter_read(); + return _gt_counter_read(); } #endif diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c index ef434699c80a..10202f1fdfd7 100644 --- a/drivers/clocksource/fsl_ftm_timer.c +++ b/drivers/clocksource/fsl_ftm_timer.c @@ -118,7 +118,7 @@ static inline void ftm_reset_counter(void __iomem *base) ftm_writel(0x00, base + FTM_CNT); } -static u64 ftm_read_sched_clock(void) +static u64 notrace ftm_read_sched_clock(void) { return ftm_readl(priv->clksrc_base + FTM_CNT); } diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c index bb2c2b050964..d3c1742ded1a 100644 --- a/drivers/clocksource/rockchip_timer.c +++ b/drivers/clocksource/rockchip_timer.c @@ -148,7 +148,7 @@ static void __init rk_timer_init(struct device_node *np) bc_timer.freq = clk_get_rate(timer_clk); irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (!irq) { pr_err("Failed to map interrupts for '%s'\n", TIMER_NAME); return; } diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c index bc90e13338cc..9502bc4c3f6d 100644 --- a/drivers/clocksource/samsung_pwm_timer.c +++ b/drivers/clocksource/samsung_pwm_timer.c @@ -307,7 +307,7 @@ static void samsung_clocksource_resume(struct clocksource *cs) samsung_time_start(pwm.source_id, true); } -static cycle_t samsung_clocksource_read(struct clocksource *c) +static cycle_t notrace samsung_clocksource_read(struct clocksource *c) { return ~readl_relaxed(pwm.source_reg); } diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index f1985da8113f..53aa7e92a7d7 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -280,7 +280,9 @@ static int sh_mtu2_clock_event_shutdown(struct clock_event_device *ced) { struct sh_mtu2_channel *ch = ced_to_sh_mtu2(ced); - sh_mtu2_disable(ch); + if (clockevent_state_periodic(ced)) + sh_mtu2_disable(ch); + return 0; } diff --git a/drivers/clocksource/time-pistachio.c b/drivers/clocksource/time-pistachio.c index 18d4266c2986..bba679900054 100644 --- a/drivers/clocksource/time-pistachio.c +++ b/drivers/clocksource/time-pistachio.c @@ -67,7 +67,8 @@ static inline void gpt_writel(void __iomem *base, u32 value, u32 offset, writel(value, base + 0x20 * gpt_id + offset); } -static cycle_t pistachio_clocksource_read_cycles(struct clocksource *cs) +static cycle_t notrace +pistachio_clocksource_read_cycles(struct clocksource *cs) { struct pistachio_clocksource *pcs = to_pistachio_clocksource(cs); u32 counter, overflw; diff --git a/drivers/clocksource/timer-digicolor.c b/drivers/clocksource/timer-digicolor.c index e73947f0f86d..a536eeb634d8 100644 --- a/drivers/clocksource/timer-digicolor.c +++ b/drivers/clocksource/timer-digicolor.c @@ -143,7 +143,7 @@ static irqreturn_t digicolor_timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static u64 digicolor_timer_sched_read(void) +static u64 notrace digicolor_timer_sched_read(void) { return ~readl(dc_timer_dev.base + COUNT(TIMER_B)); } diff --git a/drivers/clocksource/timer-keystone.c b/drivers/clocksource/timer-keystone.c index edacf3902e10..1cea08cf603e 100644 --- a/drivers/clocksource/timer-keystone.c +++ b/drivers/clocksource/timer-keystone.c @@ -152,7 +152,7 @@ static void __init keystone_timer_init(struct device_node *np) int irq, error; irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (!irq) { pr_err("%s: failed to map interrupts\n", __func__); return; } diff --git a/drivers/clocksource/timer-prima2.c b/drivers/clocksource/timer-prima2.c index 78de982cc640..2854c663e8b5 100644 --- a/drivers/clocksource/timer-prima2.c +++ b/drivers/clocksource/timer-prima2.c @@ -73,7 +73,7 @@ static irqreturn_t sirfsoc_timer_interrupt(int irq, void *dev_id) } /* read 64-bit timer counter */ -static cycle_t sirfsoc_timer_read(struct clocksource *cs) +static cycle_t notrace sirfsoc_timer_read(struct clocksource *cs) { u64 cycles; diff --git a/drivers/clocksource/vf_pit_timer.c b/drivers/clocksource/vf_pit_timer.c index f07ba9932171..a0e6c68536a1 100644 --- a/drivers/clocksource/vf_pit_timer.c +++ b/drivers/clocksource/vf_pit_timer.c @@ -52,7 +52,7 @@ static inline void pit_irq_acknowledge(void) __raw_writel(PITTFLG_TIF, clkevt_base + PITTFLG); } -static u64 pit_read_sched_clock(void) +static u64 notrace pit_read_sched_clock(void) { return ~__raw_readl(clksrc_base + PITCVAL); } diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 798277227de7..cec1ee2d2f74 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -149,6 +149,9 @@ static ssize_t show_freqdomain_cpus(struct cpufreq_policy *policy, char *buf) { struct acpi_cpufreq_data *data = policy->driver_data; + if (unlikely(!data)) + return -ENODEV; + return cpufreq_show_cpus(data->freqdomain_cpus, buf); } diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index ef5ed9470de9..25c4c15103a0 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1436,8 +1436,10 @@ static void cpufreq_offline_finish(unsigned int cpu) * since this is a core component, and is essential for the * subsequent light-weight ->init() to succeed. */ - if (cpufreq_driver->exit) + if (cpufreq_driver->exit) { cpufreq_driver->exit(policy); + policy->freq_table = NULL; + } } /** diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 3af9dd7332e6..aa33b92b3e3e 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -776,6 +776,11 @@ static inline void intel_pstate_sample(struct cpudata *cpu) local_irq_save(flags); rdmsrl(MSR_IA32_APERF, aperf); rdmsrl(MSR_IA32_MPERF, mperf); + if (cpu->prev_mperf == mperf) { + local_irq_restore(flags); + return; + } + tsc = rdtsc(); local_irq_restore(flags); diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 3927ed9fdbd5..ca848cc6a8fd 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -492,7 +492,7 @@ struct devfreq *devfreq_add_device(struct device *dev, if (err) { put_device(&devfreq->dev); mutex_unlock(&devfreq->lock); - goto err_dev; + goto err_out; } mutex_unlock(&devfreq->lock); @@ -518,7 +518,6 @@ struct devfreq *devfreq_add_device(struct device *dev, err_init: list_del(&devfreq->node); device_unregister(&devfreq->dev); -err_dev: kfree(devfreq); err_out: return ERR_PTR(err); @@ -795,8 +794,10 @@ static ssize_t governor_store(struct device *dev, struct device_attribute *attr, ret = PTR_ERR(governor); goto out; } - if (df->governor == governor) + if (df->governor == governor) { + ret = 0; goto out; + } if (df->governor) { ret = df->governor->event_handler(df, DEVFREQ_GOV_STOP, NULL); diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index a165b4bfd330..dd24375b76dd 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -455,6 +455,15 @@ static struct at_xdmac_desc *at_xdmac_alloc_desc(struct dma_chan *chan, return desc; } +void at_xdmac_init_used_desc(struct at_xdmac_desc *desc) +{ + memset(&desc->lld, 0, sizeof(desc->lld)); + INIT_LIST_HEAD(&desc->descs_list); + desc->direction = DMA_TRANS_NONE; + desc->xfer_size = 0; + desc->active_xfer = false; +} + /* Call must be protected by lock. */ static struct at_xdmac_desc *at_xdmac_get_desc(struct at_xdmac_chan *atchan) { @@ -466,7 +475,7 @@ static struct at_xdmac_desc *at_xdmac_get_desc(struct at_xdmac_chan *atchan) desc = list_first_entry(&atchan->free_descs_list, struct at_xdmac_desc, desc_node); list_del(&desc->desc_node); - desc->active_xfer = false; + at_xdmac_init_used_desc(desc); } return desc; @@ -875,14 +884,14 @@ at_xdmac_interleaved_queue_desc(struct dma_chan *chan, if (xt->src_inc) { if (xt->src_sgl) - chan_cc |= AT_XDMAC_CC_SAM_UBS_DS_AM; + chan_cc |= AT_XDMAC_CC_SAM_UBS_AM; else chan_cc |= AT_XDMAC_CC_SAM_INCREMENTED_AM; } if (xt->dst_inc) { if (xt->dst_sgl) - chan_cc |= AT_XDMAC_CC_DAM_UBS_DS_AM; + chan_cc |= AT_XDMAC_CC_DAM_UBS_AM; else chan_cc |= AT_XDMAC_CC_DAM_INCREMENTED_AM; } diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 3ff284c8e3d5..09479d4be4db 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -554,10 +554,18 @@ struct dma_chan *dma_get_slave_channel(struct dma_chan *chan) mutex_lock(&dma_list_mutex); if (chan->client_count == 0) { + struct dma_device *device = chan->device; + + dma_cap_set(DMA_PRIVATE, device->cap_mask); + device->privatecnt++; err = dma_chan_get(chan); - if (err) + if (err) { pr_debug("%s: failed to get %s: (%d)\n", __func__, dma_chan_name(chan), err); + chan = NULL; + if (--device->privatecnt == 0) + dma_cap_clear(DMA_PRIVATE, device->cap_mask); + } } else chan = NULL; diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index cf1c87fa1edd..bedce038c6e2 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -1591,7 +1591,6 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) INIT_LIST_HEAD(&dw->dma.channels); for (i = 0; i < nr_channels; i++) { struct dw_dma_chan *dwc = &dw->chan[i]; - int r = nr_channels - i - 1; dwc->chan.device = &dw->dma; dma_cookie_init(&dwc->chan); @@ -1603,7 +1602,7 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) /* 7 is highest priority & 0 is lowest. */ if (pdata->chan_priority == CHAN_PRIORITY_ASCENDING) - dwc->priority = r; + dwc->priority = nr_channels - i - 1; else dwc->priority = i; @@ -1622,6 +1621,7 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) /* Hardware configuration */ if (autocfg) { unsigned int dwc_params; + unsigned int r = DW_DMA_MAX_NR_CHANNELS - i - 1; void __iomem *addr = chip->regs + r * sizeof(u32); dwc_params = dma_read_byaddr(addr, DWC_PARAMS); diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c index 18c14e1f1414..48d6d9e94f67 100644 --- a/drivers/dma/idma64.c +++ b/drivers/dma/idma64.c @@ -355,23 +355,23 @@ static size_t idma64_active_desc_size(struct idma64_chan *idma64c) struct idma64_desc *desc = idma64c->desc; struct idma64_hw_desc *hw; size_t bytes = desc->length; - u64 llp; - u32 ctlhi; + u64 llp = channel_readq(idma64c, LLP); + u32 ctlhi = channel_readl(idma64c, CTL_HI); unsigned int i = 0; - llp = channel_readq(idma64c, LLP); do { hw = &desc->hw[i]; - } while ((hw->llp != llp) && (++i < desc->ndesc)); + if (hw->llp == llp) + break; + bytes -= hw->len; + } while (++i < desc->ndesc); if (!i) return bytes; - do { - bytes -= desc->hw[--i].len; - } while (i); + /* The current chunk is not fully transfered yet */ + bytes += desc->hw[--i].len; - ctlhi = channel_readl(idma64c, CTL_HI); return bytes - IDMA64C_CTLH_BLOCK_TS(ctlhi); } diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index 5cb61ce01036..fc4156afa070 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -473,8 +473,10 @@ static void pxad_free_phy(struct pxad_chan *chan) return; /* clear the channel mapping in DRCMR */ - reg = pxad_drcmr(chan->drcmr); - writel_relaxed(0, chan->phy->base + reg); + if (chan->drcmr <= DRCMR_CHLNUM) { + reg = pxad_drcmr(chan->drcmr); + writel_relaxed(0, chan->phy->base + reg); + } spin_lock_irqsave(&pdev->phy_lock, flags); for (i = 0; i < 32; i++) @@ -516,8 +518,10 @@ static void phy_enable(struct pxad_phy *phy, bool misaligned) "%s(); phy=%p(%d) misaligned=%d\n", __func__, phy, phy->idx, misaligned); - reg = pxad_drcmr(phy->vchan->drcmr); - writel_relaxed(DRCMR_MAPVLD | phy->idx, phy->base + reg); + if (phy->vchan->drcmr <= DRCMR_CHLNUM) { + reg = pxad_drcmr(phy->vchan->drcmr); + writel_relaxed(DRCMR_MAPVLD | phy->idx, phy->base + reg); + } dalgn = phy_readl_relaxed(phy, DALGN); if (misaligned) @@ -887,6 +891,7 @@ pxad_tx_prep(struct virt_dma_chan *vc, struct virt_dma_desc *vd, struct dma_async_tx_descriptor *tx; struct pxad_chan *chan = container_of(vc, struct pxad_chan, vc); + INIT_LIST_HEAD(&vd->node); tx = vchan_tx_prep(vc, vd, tx_flags); tx->tx_submit = pxad_tx_submit; dev_dbg(&chan->vc.chan.dev->device, @@ -910,14 +915,18 @@ static void pxad_get_config(struct pxad_chan *chan, width = chan->cfg.src_addr_width; dev_addr = chan->cfg.src_addr; *dev_src = dev_addr; - *dcmd |= PXA_DCMD_INCTRGADDR | PXA_DCMD_FLOWSRC; + *dcmd |= PXA_DCMD_INCTRGADDR; + if (chan->drcmr <= DRCMR_CHLNUM) + *dcmd |= PXA_DCMD_FLOWSRC; } if (dir == DMA_MEM_TO_DEV) { maxburst = chan->cfg.dst_maxburst; width = chan->cfg.dst_addr_width; dev_addr = chan->cfg.dst_addr; *dev_dst = dev_addr; - *dcmd |= PXA_DCMD_INCSRCADDR | PXA_DCMD_FLOWTRG; + *dcmd |= PXA_DCMD_INCSRCADDR; + if (chan->drcmr <= DRCMR_CHLNUM) + *dcmd |= PXA_DCMD_FLOWTRG; } if (dir == DMA_MEM_TO_MEM) *dcmd |= PXA_DCMD_BURST32 | PXA_DCMD_INCTRGADDR | @@ -1177,6 +1186,16 @@ static unsigned int pxad_residue(struct pxad_chan *chan, else curr = phy_readl_relaxed(chan->phy, DTADR); + /* + * curr has to be actually read before checking descriptor + * completion, so that a curr inside a status updater + * descriptor implies the following test returns true, and + * preventing reordering of curr load and the test. + */ + rmb(); + if (is_desc_completed(vd)) + goto out; + for (i = 0; i < sw_desc->nb_desc - 1; i++) { hw_desc = sw_desc->hw_desc[i]; if (sw_desc->hw_desc[0]->dcmd & PXA_DCMD_INCSRCADDR) diff --git a/drivers/dma/sun4i-dma.c b/drivers/dma/sun4i-dma.c index a1a500d96ff2..1661d518224a 100644 --- a/drivers/dma/sun4i-dma.c +++ b/drivers/dma/sun4i-dma.c @@ -599,13 +599,13 @@ get_next_cyclic_promise(struct sun4i_dma_contract *contract) static void sun4i_dma_free_contract(struct virt_dma_desc *vd) { struct sun4i_dma_contract *contract = to_sun4i_dma_contract(vd); - struct sun4i_dma_promise *promise; + struct sun4i_dma_promise *promise, *tmp; /* Free all the demands and completed demands */ - list_for_each_entry(promise, &contract->demands, list) + list_for_each_entry_safe(promise, tmp, &contract->demands, list) kfree(promise); - list_for_each_entry(promise, &contract->completed_demands, list) + list_for_each_entry_safe(promise, tmp, &contract->completed_demands, list) kfree(promise); kfree(contract); diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c index b23e8d52d126..8d57b1b12e41 100644 --- a/drivers/dma/xgene-dma.c +++ b/drivers/dma/xgene-dma.c @@ -59,7 +59,6 @@ #define XGENE_DMA_RING_MEM_RAM_SHUTDOWN 0xD070 #define XGENE_DMA_RING_BLK_MEM_RDY 0xD074 #define XGENE_DMA_RING_BLK_MEM_RDY_VAL 0xFFFFFFFF -#define XGENE_DMA_RING_DESC_CNT(v) (((v) & 0x0001FFFE) >> 1) #define XGENE_DMA_RING_ID_GET(owner, num) (((owner) << 6) | (num)) #define XGENE_DMA_RING_DST_ID(v) ((1 << 10) | (v)) #define XGENE_DMA_RING_CMD_OFFSET 0x2C @@ -379,14 +378,6 @@ static u8 xgene_dma_encode_xor_flyby(u32 src_cnt) return flyby_type[src_cnt]; } -static u32 xgene_dma_ring_desc_cnt(struct xgene_dma_ring *ring) -{ - u32 __iomem *cmd_base = ring->cmd_base; - u32 ring_state = ioread32(&cmd_base[1]); - - return XGENE_DMA_RING_DESC_CNT(ring_state); -} - static void xgene_dma_set_src_buffer(__le64 *ext8, size_t *len, dma_addr_t *paddr) { @@ -659,15 +650,12 @@ static void xgene_dma_clean_running_descriptor(struct xgene_dma_chan *chan, dma_pool_free(chan->desc_pool, desc, desc->tx.phys); } -static int xgene_chan_xfer_request(struct xgene_dma_ring *ring, - struct xgene_dma_desc_sw *desc_sw) +static void xgene_chan_xfer_request(struct xgene_dma_chan *chan, + struct xgene_dma_desc_sw *desc_sw) { + struct xgene_dma_ring *ring = &chan->tx_ring; struct xgene_dma_desc_hw *desc_hw; - /* Check if can push more descriptor to hw for execution */ - if (xgene_dma_ring_desc_cnt(ring) > (ring->slots - 2)) - return -EBUSY; - /* Get hw descriptor from DMA tx ring */ desc_hw = &ring->desc_hw[ring->head]; @@ -694,11 +682,13 @@ static int xgene_chan_xfer_request(struct xgene_dma_ring *ring, memcpy(desc_hw, &desc_sw->desc2, sizeof(*desc_hw)); } + /* Increment the pending transaction count */ + chan->pending += ((desc_sw->flags & + XGENE_DMA_FLAG_64B_DESC) ? 2 : 1); + /* Notify the hw that we have descriptor ready for execution */ iowrite32((desc_sw->flags & XGENE_DMA_FLAG_64B_DESC) ? 2 : 1, ring->cmd); - - return 0; } /** @@ -710,7 +700,6 @@ static int xgene_chan_xfer_request(struct xgene_dma_ring *ring, static void xgene_chan_xfer_ld_pending(struct xgene_dma_chan *chan) { struct xgene_dma_desc_sw *desc_sw, *_desc_sw; - int ret; /* * If the list of pending descriptors is empty, then we @@ -735,18 +724,13 @@ static void xgene_chan_xfer_ld_pending(struct xgene_dma_chan *chan) if (chan->pending >= chan->max_outstanding) return; - ret = xgene_chan_xfer_request(&chan->tx_ring, desc_sw); - if (ret) - return; + xgene_chan_xfer_request(chan, desc_sw); /* * Delete this element from ld pending queue and append it to * ld running queue */ list_move_tail(&desc_sw->node, &chan->ld_running); - - /* Increment the pending transaction count */ - chan->pending++; } } @@ -821,7 +805,8 @@ static void xgene_dma_cleanup_descriptors(struct xgene_dma_chan *chan) * Decrement the pending transaction count * as we have processed one */ - chan->pending--; + chan->pending -= ((desc_sw->flags & + XGENE_DMA_FLAG_64B_DESC) ? 2 : 1); /* * Delete this node from ld running queue and append it to @@ -1421,15 +1406,18 @@ static int xgene_dma_create_ring_one(struct xgene_dma_chan *chan, struct xgene_dma_ring *ring, enum xgene_dma_ring_cfgsize cfgsize) { + int ret; + /* Setup DMA ring descriptor variables */ ring->pdma = chan->pdma; ring->cfgsize = cfgsize; ring->num = chan->pdma->ring_num++; ring->id = XGENE_DMA_RING_ID_GET(ring->owner, ring->buf_num); - ring->size = xgene_dma_get_ring_size(chan, cfgsize); - if (ring->size <= 0) - return ring->size; + ret = xgene_dma_get_ring_size(chan, cfgsize); + if (ret <= 0) + return ret; + ring->size = ret; /* Allocate memory for DMA ring descriptor */ ring->desc_vaddr = dma_zalloc_coherent(chan->dev, ring->size, @@ -1482,7 +1470,7 @@ static int xgene_dma_create_chan_rings(struct xgene_dma_chan *chan) tx_ring->id, tx_ring->num, tx_ring->desc_vaddr); /* Set the max outstanding request possible to this channel */ - chan->max_outstanding = rx_ring->slots; + chan->max_outstanding = tx_ring->slots; return ret; } diff --git a/drivers/dma/zx296702_dma.c b/drivers/dma/zx296702_dma.c index 39915a6b7986..c017fcd8e07c 100644 --- a/drivers/dma/zx296702_dma.c +++ b/drivers/dma/zx296702_dma.c @@ -739,7 +739,7 @@ static struct dma_chan *zx_of_dma_simple_xlate(struct of_phandle_args *dma_spec, struct dma_chan *chan; struct zx_dma_chan *c; - if (request > d->dma_requests) + if (request >= d->dma_requests) return NULL; chan = dma_get_any_slave_channel(&d->slave); diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c index e29560e6b40b..950c87f5d279 100644 --- a/drivers/firmware/efi/libstub/arm-stub.c +++ b/drivers/firmware/efi/libstub/arm-stub.c @@ -13,6 +13,7 @@ */ #include <linux/efi.h> +#include <linux/sort.h> #include <asm/efi.h> #include "efistub.h" @@ -305,6 +306,44 @@ fail: */ #define EFI_RT_VIRTUAL_BASE 0x40000000 +static int cmp_mem_desc(const void *l, const void *r) +{ + const efi_memory_desc_t *left = l, *right = r; + + return (left->phys_addr > right->phys_addr) ? 1 : -1; +} + +/* + * Returns whether region @left ends exactly where region @right starts, + * or false if either argument is NULL. + */ +static bool regions_are_adjacent(efi_memory_desc_t *left, + efi_memory_desc_t *right) +{ + u64 left_end; + + if (left == NULL || right == NULL) + return false; + + left_end = left->phys_addr + left->num_pages * EFI_PAGE_SIZE; + + return left_end == right->phys_addr; +} + +/* + * Returns whether region @left and region @right have compatible memory type + * mapping attributes, and are both EFI_MEMORY_RUNTIME regions. + */ +static bool regions_have_compatible_memory_type_attrs(efi_memory_desc_t *left, + efi_memory_desc_t *right) +{ + static const u64 mem_type_mask = EFI_MEMORY_WB | EFI_MEMORY_WT | + EFI_MEMORY_WC | EFI_MEMORY_UC | + EFI_MEMORY_RUNTIME; + + return ((left->attribute ^ right->attribute) & mem_type_mask) == 0; +} + /* * efi_get_virtmap() - create a virtual mapping for the EFI memory map * @@ -317,33 +356,52 @@ void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, int *count) { u64 efi_virt_base = EFI_RT_VIRTUAL_BASE; - efi_memory_desc_t *out = runtime_map; + efi_memory_desc_t *in, *prev = NULL, *out = runtime_map; int l; - for (l = 0; l < map_size; l += desc_size) { - efi_memory_desc_t *in = (void *)memory_map + l; + /* + * To work around potential issues with the Properties Table feature + * introduced in UEFI 2.5, which may split PE/COFF executable images + * in memory into several RuntimeServicesCode and RuntimeServicesData + * regions, we need to preserve the relative offsets between adjacent + * EFI_MEMORY_RUNTIME regions with the same memory type attributes. + * The easiest way to find adjacent regions is to sort the memory map + * before traversing it. + */ + sort(memory_map, map_size / desc_size, desc_size, cmp_mem_desc, NULL); + + for (l = 0; l < map_size; l += desc_size, prev = in) { u64 paddr, size; + in = (void *)memory_map + l; if (!(in->attribute & EFI_MEMORY_RUNTIME)) continue; + paddr = in->phys_addr; + size = in->num_pages * EFI_PAGE_SIZE; + /* * Make the mapping compatible with 64k pages: this allows * a 4k page size kernel to kexec a 64k page size kernel and * vice versa. */ - paddr = round_down(in->phys_addr, SZ_64K); - size = round_up(in->num_pages * EFI_PAGE_SIZE + - in->phys_addr - paddr, SZ_64K); - - /* - * Avoid wasting memory on PTEs by choosing a virtual base that - * is compatible with section mappings if this region has the - * appropriate size and physical alignment. (Sections are 2 MB - * on 4k granule kernels) - */ - if (IS_ALIGNED(in->phys_addr, SZ_2M) && size >= SZ_2M) - efi_virt_base = round_up(efi_virt_base, SZ_2M); + if (!regions_are_adjacent(prev, in) || + !regions_have_compatible_memory_type_attrs(prev, in)) { + + paddr = round_down(in->phys_addr, SZ_64K); + size += in->phys_addr - paddr; + + /* + * Avoid wasting memory on PTEs by choosing a virtual + * base that is compatible with section mappings if this + * region has the appropriate size and physical + * alignment. (Sections are 2 MB on 4k granule kernels) + */ + if (IS_ALIGNED(in->phys_addr, SZ_2M) && size >= SZ_2M) + efi_virt_base = round_up(efi_virt_base, SZ_2M); + else + efi_virt_base = round_up(efi_virt_base, SZ_64K); + } in->virt_addr = efi_virt_base + in->phys_addr - paddr; efi_virt_base += size; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 6647fb26ef25..0d13e6368b96 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1654,6 +1654,7 @@ struct amdgpu_pm { u8 fan_max_rpm; /* dpm */ bool dpm_enabled; + bool sysfs_initialized; struct amdgpu_dpm dpm; const struct firmware *fw; /* SMC firmware */ uint32_t fw_version; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 77f1d7c6ea3a..9416e0f5c1db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -672,8 +672,12 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) /* disp clock */ adev->clock.default_dispclk = le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq); - if (adev->clock.default_dispclk == 0) - adev->clock.default_dispclk = 54000; /* 540 Mhz */ + /* set a reasonable default for DP */ + if (adev->clock.default_dispclk < 53900) { + DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", + adev->clock.default_dispclk / 100); + adev->clock.default_dispclk = 60000; + } adev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); adev->clock.current_dispclk = adev->clock.default_dispclk; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 1c3fc99c5465..8e995148f56e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -208,44 +208,6 @@ static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device, return ret; } -static int amdgpu_cgs_import_gpu_mem(void *cgs_device, int dmabuf_fd, - cgs_handle_t *handle) -{ - CGS_FUNC_ADEV; - int r; - uint32_t dma_handle; - struct drm_gem_object *obj; - struct amdgpu_bo *bo; - struct drm_device *dev = adev->ddev; - struct drm_file *file_priv = NULL, *priv; - - mutex_lock(&dev->struct_mutex); - list_for_each_entry(priv, &dev->filelist, lhead) { - rcu_read_lock(); - if (priv->pid == get_pid(task_pid(current))) - file_priv = priv; - rcu_read_unlock(); - if (file_priv) - break; - } - mutex_unlock(&dev->struct_mutex); - r = dev->driver->prime_fd_to_handle(dev, - file_priv, dmabuf_fd, - &dma_handle); - spin_lock(&file_priv->table_lock); - - /* Check if we currently have a reference on the object */ - obj = idr_find(&file_priv->object_idr, dma_handle); - if (obj == NULL) { - spin_unlock(&file_priv->table_lock); - return -EINVAL; - } - spin_unlock(&file_priv->table_lock); - bo = gem_to_amdgpu_bo(obj); - *handle = (cgs_handle_t)bo; - return 0; -} - static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle) { struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; @@ -810,7 +772,6 @@ static const struct cgs_ops amdgpu_cgs_ops = { }; static const struct cgs_os_ops amdgpu_cgs_os_ops = { - amdgpu_cgs_import_gpu_mem, amdgpu_cgs_add_irq_source, amdgpu_cgs_irq_get, amdgpu_cgs_irq_put diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 749420f1ea6f..fd16652aa277 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -156,7 +156,8 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) uint64_t *chunk_array_user; uint64_t *chunk_array; struct amdgpu_fpriv *fpriv = p->filp->driver_priv; - unsigned size, i; + unsigned size; + int i; int ret; if (cs->in.num_chunks == 0) @@ -176,7 +177,7 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) /* get chunks */ INIT_LIST_HEAD(&p->validated); - chunk_array_user = (uint64_t __user *)(cs->in.chunks); + chunk_array_user = (uint64_t __user *)(unsigned long)(cs->in.chunks); if (copy_from_user(chunk_array, chunk_array_user, sizeof(uint64_t)*cs->in.num_chunks)) { ret = -EFAULT; @@ -196,7 +197,7 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) struct drm_amdgpu_cs_chunk user_chunk; uint32_t __user *cdata; - chunk_ptr = (void __user *)chunk_array[i]; + chunk_ptr = (void __user *)(unsigned long)chunk_array[i]; if (copy_from_user(&user_chunk, chunk_ptr, sizeof(struct drm_amdgpu_cs_chunk))) { ret = -EFAULT; @@ -207,7 +208,7 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) p->chunks[i].length_dw = user_chunk.length_dw; size = p->chunks[i].length_dw; - cdata = (void __user *)user_chunk.chunk_data; + cdata = (void __user *)(unsigned long)user_chunk.chunk_data; p->chunks[i].user_ptr = cdata; p->chunks[i].kdata = drm_malloc_ab(size, sizeof(uint32_t)); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index e3d70772b531..6c9e0902a414 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -85,8 +85,6 @@ static void amdgpu_flip_work_func(struct work_struct *__work) /* We borrow the event spin lock for protecting flip_status */ spin_lock_irqsave(&crtc->dev->event_lock, flags); - /* set the proper interrupt */ - amdgpu_irq_get(adev, &adev->pageflip_irq, work->crtc_id); /* do the flip (mmio) */ adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base); /* set the flip status */ @@ -186,10 +184,6 @@ int amdgpu_crtc_page_flip(struct drm_crtc *crtc, goto cleanup; } - fence_get(work->excl); - for (i = 0; i < work->shared_count; ++i) - fence_get(work->shared[i]); - amdgpu_bo_get_tiling_flags(new_rbo, &tiling_flags); amdgpu_bo_unreserve(new_rbo); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index adb48353f2e1..b190c2a83680 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -242,11 +242,11 @@ static struct pci_device_id pciidlist[] = { {0x1002, 0x985F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|AMD_IS_MOBILITY|AMD_IS_APU}, #endif /* topaz */ - {0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, - {0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, - {0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, - {0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, - {0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ}, + {0x1002, 0x6900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, + {0x1002, 0x6901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, + {0x1002, 0x6902, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, + {0x1002, 0x6903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, + {0x1002, 0x6907, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TOPAZ|AMD_EXP_HW_SUPPORT}, /* tonga */ {0x1002, 0x6920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA}, {0x1002, 0x6921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TONGA}, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index 8a122b1b7786..96290d9cddca 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c @@ -402,3 +402,19 @@ bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj) return true; return false; } + +void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev) +{ + struct amdgpu_fbdev *afbdev = adev->mode_info.rfbdev; + struct drm_fb_helper *fb_helper; + int ret; + + if (!afbdev) + return; + + fb_helper = &afbdev->helper; + + ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper); + if (ret) + DRM_DEBUG("failed to restore crtc mode\n"); +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 8c735f544b66..5d11e798230c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -485,7 +485,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file * Outdated mess for old drm with Xorg being in charge (void function now). */ /** - * amdgpu_driver_firstopen_kms - drm callback for last close + * amdgpu_driver_lastclose_kms - drm callback for last close * * @dev: drm dev pointer * @@ -493,6 +493,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file */ void amdgpu_driver_lastclose_kms(struct drm_device *dev) { + struct amdgpu_device *adev = dev->dev_private; + + amdgpu_fbdev_restore_mode(adev); vga_switcheroo_process_delayed_switch(); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h index 64efe5b52e65..7bd470d9ac30 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h @@ -567,6 +567,7 @@ void amdgpu_fbdev_fini(struct amdgpu_device *adev); void amdgpu_fbdev_set_suspend(struct amdgpu_device *adev, int state); int amdgpu_fbdev_total_size(struct amdgpu_device *adev); bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj); +void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev); void amdgpu_fb_output_poll_changed(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index efed11509f4a..22a8c7d3a3ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -294,10 +294,14 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, struct amdgpu_device *adev = dev_get_drvdata(dev); umode_t effective_mode = attr->mode; - /* Skip limit attributes if DPM is not enabled */ + /* Skip attributes if DPM is not enabled */ if (!adev->pm.dpm_enabled && (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr || - attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr)) + attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr || + attr == &sensor_dev_attr_pwm1.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_min.dev_attr.attr)) return 0; /* Skip fan attributes if fan is not present */ @@ -691,6 +695,9 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) { int ret; + if (adev->pm.sysfs_initialized) + return 0; + if (adev->pm.funcs->get_temperature == NULL) return 0; adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev, @@ -719,6 +726,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) return ret; } + adev->pm.sysfs_initialized = true; + return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 1e14531353e0..53d551f2d839 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -455,8 +455,10 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev, return -ENOMEM; r = amdgpu_ib_get(ring, NULL, ndw * 4, ib); - if (r) + if (r) { + kfree(ib); return r; + } ib->length_dw = 0; /* walk over the address space and update the page directory */ diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index cd6edc40c9cd..1e0bba29e167 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -1279,8 +1279,7 @@ amdgpu_atombios_encoder_setup_dig(struct drm_encoder *encoder, int action) amdgpu_atombios_encoder_setup_dig_encoder(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0); } if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) - amdgpu_atombios_encoder_setup_dig_transmitter(encoder, - ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0); + amdgpu_atombios_encoder_set_backlight_level(amdgpu_encoder, dig->backlight_level); if (ext_encoder) amdgpu_atombios_encoder_setup_external_encoder(encoder, ext_encoder, ATOM_ENABLE); } else { diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 82e8d0730517..a1a35a5df8e7 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -6185,6 +6185,11 @@ static int ci_dpm_late_init(void *handle) if (!amdgpu_dpm) return 0; + /* init the sysfs and debugfs files late */ + ret = amdgpu_pm_sysfs_init(adev); + if (ret) + return ret; + ret = ci_set_temperature_range(adev); if (ret) return ret; @@ -6232,9 +6237,6 @@ static int ci_dpm_sw_init(void *handle) adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps; if (amdgpu_dpm == 1) amdgpu_pm_print_power_states(adev); - ret = amdgpu_pm_sysfs_init(adev); - if (ret) - goto dpm_failed; mutex_unlock(&adev->pm.mutex); DRM_INFO("amdgpu: dpm initialized\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 4b6ce74753cd..484710cfdf82 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1567,6 +1567,9 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev) int ret, i; u16 tmp16; + if (pci_is_root_bus(adev->pdev->bus)) + return; + if (amdgpu_pcie_gen2 == 0) return; diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c index 44fa96ad4709..2e3373ed4c94 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c @@ -596,6 +596,12 @@ static int cz_dpm_late_init(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (amdgpu_dpm) { + int ret; + /* init the sysfs and debugfs files late */ + ret = amdgpu_pm_sysfs_init(adev); + if (ret) + return ret; + /* powerdown unused blocks for now */ cz_dpm_powergate_uvd(adev, true); cz_dpm_powergate_vce(adev, true); @@ -632,10 +638,6 @@ static int cz_dpm_sw_init(void *handle) if (amdgpu_dpm == 1) amdgpu_pm_print_power_states(adev); - ret = amdgpu_pm_sysfs_init(adev); - if (ret) - goto dpm_init_failed; - mutex_unlock(&adev->pm.mutex); DRM_INFO("amdgpu: dpm initialized\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index e4d101b1252a..d4c82b625727 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -255,6 +255,24 @@ static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); } +static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev) +{ + unsigned i; + + /* Enable pflip interrupts */ + for (i = 0; i < adev->mode_info.num_crtc; i++) + amdgpu_irq_get(adev, &adev->pageflip_irq, i); +} + +static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev) +{ + unsigned i; + + /* Disable pflip interrupts */ + for (i = 0; i < adev->mode_info.num_crtc; i++) + amdgpu_irq_put(adev, &adev->pageflip_irq, i); +} + /** * dce_v10_0_page_flip - pageflip callback. * @@ -2663,9 +2681,10 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v10_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v10_0_vga_enable(crtc, false); - /* Make sure VBLANK interrupt is still enabled */ + /* Make sure VBLANK and PFLIP interrupts are still enabled */ type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); amdgpu_irq_update(adev, &adev->crtc_irq, type); + amdgpu_irq_update(adev, &adev->pageflip_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v10_0_crtc_load_lut(crtc); break; @@ -3025,6 +3044,8 @@ static int dce_v10_0_hw_init(void *handle) dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); } + dce_v10_0_pageflip_interrupt_init(adev); + return 0; } @@ -3039,6 +3060,8 @@ static int dce_v10_0_hw_fini(void *handle) dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); } + dce_v10_0_pageflip_interrupt_fini(adev); + return 0; } @@ -3050,6 +3073,8 @@ static int dce_v10_0_suspend(void *handle) dce_v10_0_hpd_fini(adev); + dce_v10_0_pageflip_interrupt_fini(adev); + return 0; } @@ -3075,6 +3100,8 @@ static int dce_v10_0_resume(void *handle) /* initialize hpd */ dce_v10_0_hpd_init(adev); + dce_v10_0_pageflip_interrupt_init(adev); + return 0; } @@ -3369,7 +3396,6 @@ static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev, spin_unlock_irqrestore(&adev->ddev->event_lock, flags); drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id); - amdgpu_irq_put(adev, &adev->pageflip_irq, crtc_id); queue_work(amdgpu_crtc->pflip_queue, &works->unpin_work); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 6411e8244671..7e1cf5e4eebf 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -233,6 +233,24 @@ static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); } +static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev) +{ + unsigned i; + + /* Enable pflip interrupts */ + for (i = 0; i < adev->mode_info.num_crtc; i++) + amdgpu_irq_get(adev, &adev->pageflip_irq, i); +} + +static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev) +{ + unsigned i; + + /* Disable pflip interrupts */ + for (i = 0; i < adev->mode_info.num_crtc; i++) + amdgpu_irq_put(adev, &adev->pageflip_irq, i); +} + /** * dce_v11_0_page_flip - pageflip callback. * @@ -2640,9 +2658,10 @@ static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v11_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v11_0_vga_enable(crtc, false); - /* Make sure VBLANK interrupt is still enabled */ + /* Make sure VBLANK and PFLIP interrupts are still enabled */ type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); amdgpu_irq_update(adev, &adev->crtc_irq, type); + amdgpu_irq_update(adev, &adev->pageflip_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v11_0_crtc_load_lut(crtc); break; @@ -2888,7 +2907,7 @@ static int dce_v11_0_early_init(void *handle) switch (adev->asic_type) { case CHIP_CARRIZO: - adev->mode_info.num_crtc = 4; + adev->mode_info.num_crtc = 3; adev->mode_info.num_hpd = 6; adev->mode_info.num_dig = 9; break; @@ -3000,6 +3019,8 @@ static int dce_v11_0_hw_init(void *handle) dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); } + dce_v11_0_pageflip_interrupt_init(adev); + return 0; } @@ -3014,6 +3035,8 @@ static int dce_v11_0_hw_fini(void *handle) dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); } + dce_v11_0_pageflip_interrupt_fini(adev); + return 0; } @@ -3025,6 +3048,8 @@ static int dce_v11_0_suspend(void *handle) dce_v11_0_hpd_fini(adev); + dce_v11_0_pageflip_interrupt_fini(adev); + return 0; } @@ -3051,6 +3076,8 @@ static int dce_v11_0_resume(void *handle) /* initialize hpd */ dce_v11_0_hpd_init(adev); + dce_v11_0_pageflip_interrupt_init(adev); + return 0; } @@ -3345,7 +3372,6 @@ static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev, spin_unlock_irqrestore(&adev->ddev->event_lock, flags); drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id); - amdgpu_irq_put(adev, &adev->pageflip_irq, crtc_id); queue_work(amdgpu_crtc->pflip_queue, &works->unpin_work); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index c86911c2ea2a..34b9c2a9d8d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -204,6 +204,24 @@ static u32 dce_v8_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); } +static void dce_v8_0_pageflip_interrupt_init(struct amdgpu_device *adev) +{ + unsigned i; + + /* Enable pflip interrupts */ + for (i = 0; i < adev->mode_info.num_crtc; i++) + amdgpu_irq_get(adev, &adev->pageflip_irq, i); +} + +static void dce_v8_0_pageflip_interrupt_fini(struct amdgpu_device *adev) +{ + unsigned i; + + /* Disable pflip interrupts */ + for (i = 0; i < adev->mode_info.num_crtc; i++) + amdgpu_irq_put(adev, &adev->pageflip_irq, i); +} + /** * dce_v8_0_page_flip - pageflip callback. * @@ -2575,9 +2593,10 @@ static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v8_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v8_0_vga_enable(crtc, false); - /* Make sure VBLANK interrupt is still enabled */ + /* Make sure VBLANK and PFLIP interrupts are still enabled */ type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); amdgpu_irq_update(adev, &adev->crtc_irq, type); + amdgpu_irq_update(adev, &adev->pageflip_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v8_0_crtc_load_lut(crtc); break; @@ -2933,6 +2952,8 @@ static int dce_v8_0_hw_init(void *handle) dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); } + dce_v8_0_pageflip_interrupt_init(adev); + return 0; } @@ -2947,6 +2968,8 @@ static int dce_v8_0_hw_fini(void *handle) dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false); } + dce_v8_0_pageflip_interrupt_fini(adev); + return 0; } @@ -2958,6 +2981,8 @@ static int dce_v8_0_suspend(void *handle) dce_v8_0_hpd_fini(adev); + dce_v8_0_pageflip_interrupt_fini(adev); + return 0; } @@ -2981,6 +3006,8 @@ static int dce_v8_0_resume(void *handle) /* initialize hpd */ dce_v8_0_hpd_init(adev); + dce_v8_0_pageflip_interrupt_init(adev); + return 0; } @@ -3376,7 +3403,6 @@ static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev, spin_unlock_irqrestore(&adev->ddev->event_lock, flags); drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id); - amdgpu_irq_put(adev, &adev->pageflip_irq, crtc_id); queue_work(amdgpu_crtc->pflip_queue, &works->unpin_work); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 774528ab8704..fab5471d25d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -1262,6 +1262,12 @@ static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev, addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); + /* reset addr and status */ + WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); + + if (!addr && !status) + return 0; + dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", entry->src_id, entry->src_data); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", @@ -1269,8 +1275,6 @@ static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev, dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", status); gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client); - /* reset addr and status */ - WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 9a07742620d0..7bc9e9fcf3d2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1262,6 +1262,12 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); + /* reset addr and status */ + WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); + + if (!addr && !status) + return 0; + dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", entry->src_id, entry->src_data); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", @@ -1269,8 +1275,6 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", status); gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client); - /* reset addr and status */ - WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c index 94ec04a9c4d5..7e9154c7f1db 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -2995,6 +2995,15 @@ static int kv_dpm_late_init(void *handle) { /* powerdown unused blocks for now */ struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int ret; + + if (!amdgpu_dpm) + return 0; + + /* init the sysfs and debugfs files late */ + ret = amdgpu_pm_sysfs_init(adev); + if (ret) + return ret; kv_dpm_powergate_acp(adev, true); kv_dpm_powergate_samu(adev, true); @@ -3038,9 +3047,6 @@ static int kv_dpm_sw_init(void *handle) adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps; if (amdgpu_dpm == 1) amdgpu_pm_print_power_states(adev); - ret = amdgpu_pm_sysfs_init(adev); - if (ret) - goto dpm_failed; mutex_unlock(&adev->pm.mutex); DRM_INFO("amdgpu: dpm initialized\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index b55ceb14fdcd..0bac8702e934 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -1005,6 +1005,9 @@ static void vi_pcie_gen3_enable(struct amdgpu_device *adev) u32 mask; int ret; + if (pci_is_root_bus(adev->pdev->bus)) + return; + if (amdgpu_pcie_gen2 == 0) return; diff --git a/drivers/gpu/drm/amd/include/cgs_linux.h b/drivers/gpu/drm/amd/include/cgs_linux.h index 488642f08267..3b47ae313e36 100644 --- a/drivers/gpu/drm/amd/include/cgs_linux.h +++ b/drivers/gpu/drm/amd/include/cgs_linux.h @@ -27,19 +27,6 @@ #include "cgs_common.h" /** - * cgs_import_gpu_mem() - Import dmabuf handle - * @cgs_device: opaque device handle - * @dmabuf_fd: DMABuf file descriptor - * @handle: memory handle (output) - * - * Must be called in the process context that dmabuf_fd belongs to. - * - * Return: 0 on success, -errno otherwise - */ -typedef int (*cgs_import_gpu_mem_t)(void *cgs_device, int dmabuf_fd, - cgs_handle_t *handle); - -/** * cgs_irq_source_set_func() - Callback for enabling/disabling interrupt sources * @private_data: private data provided to cgs_add_irq_source * @src_id: interrupt source ID @@ -114,16 +101,12 @@ typedef int (*cgs_irq_get_t)(void *cgs_device, unsigned src_id, unsigned type); typedef int (*cgs_irq_put_t)(void *cgs_device, unsigned src_id, unsigned type); struct cgs_os_ops { - cgs_import_gpu_mem_t import_gpu_mem; - /* IRQ handling */ cgs_add_irq_source_t add_irq_source; cgs_irq_get_t irq_get; cgs_irq_put_t irq_put; }; -#define cgs_import_gpu_mem(dev,dmabuf_fd,handle) \ - CGS_OS_CALL(import_gpu_mem,dev,dmabuf_fd,handle) #define cgs_add_irq_source(dev,src_id,num_types,set,handler,private_data) \ CGS_OS_CALL(add_irq_source,dev,src_id,num_types,set,handler, \ private_data) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 33d877c65ced..8328e7059205 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -4105,7 +4105,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length, struct drm_property_blob *blob; int ret; - if (!length) + if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob)) return ERR_PTR(-EINVAL); blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); @@ -4454,7 +4454,7 @@ int drm_mode_createblob_ioctl(struct drm_device *dev, * not associated with any file_priv. */ mutex_lock(&dev->mode_config.blob_lock); out_resp->blob_id = blob->base.id; - list_add_tail(&file_priv->blobs, &blob->head_file); + list_add_tail(&blob->head_file, &file_priv->blobs); mutex_unlock(&dev->mode_config.blob_lock); return 0; diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index e23df5fd3836..809959d56d78 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -53,8 +53,8 @@ static int drm_dp_send_dpcd_write(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, int offset, int size, u8 *bytes); -static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, - struct drm_dp_mst_branch *mstb); +static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb); static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_branch *mstb, struct drm_dp_mst_port *port); @@ -804,8 +804,6 @@ static void drm_dp_destroy_mst_branch_device(struct kref *kref) struct drm_dp_mst_port *port, *tmp; bool wake_tx = false; - cancel_work_sync(&mstb->mgr->work); - /* * destroy all ports - don't need lock * as there are no more references to the mst branch @@ -863,29 +861,33 @@ static void drm_dp_destroy_port(struct kref *kref) { struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref); struct drm_dp_mst_topology_mgr *mgr = port->mgr; + if (!port->input) { port->vcpi.num_slots = 0; kfree(port->cached_edid); - /* we can't destroy the connector here, as - we might be holding the mode_config.mutex - from an EDID retrieval */ + /* + * The only time we don't have a connector + * on an output port is if the connector init + * fails. + */ if (port->connector) { + /* we can't destroy the connector here, as + * we might be holding the mode_config.mutex + * from an EDID retrieval */ + mutex_lock(&mgr->destroy_connector_lock); list_add(&port->next, &mgr->destroy_connector_list); mutex_unlock(&mgr->destroy_connector_lock); schedule_work(&mgr->destroy_connector_work); return; } + /* no need to clean up vcpi + * as if we have no connector we never setup a vcpi */ drm_dp_port_teardown_pdt(port, port->pdt); - - if (!port->input && port->vcpi.vcpi > 0) - drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); } kfree(port); - - (*mgr->cbs->hotplug)(mgr); } static void drm_dp_put_port(struct drm_dp_mst_port *port) @@ -1027,8 +1029,8 @@ static void drm_dp_check_port_guid(struct drm_dp_mst_branch *mstb, } } -static void build_mst_prop_path(struct drm_dp_mst_port *port, - struct drm_dp_mst_branch *mstb, +static void build_mst_prop_path(const struct drm_dp_mst_branch *mstb, + int pnum, char *proppath, size_t proppath_size) { @@ -1041,7 +1043,7 @@ static void build_mst_prop_path(struct drm_dp_mst_port *port, snprintf(temp, sizeof(temp), "-%d", port_num); strlcat(proppath, temp, proppath_size); } - snprintf(temp, sizeof(temp), "-%d", port->port_num); + snprintf(temp, sizeof(temp), "-%d", pnum); strlcat(proppath, temp, proppath_size); } @@ -1105,22 +1107,32 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, drm_dp_port_teardown_pdt(port, old_pdt); ret = drm_dp_port_setup_pdt(port); - if (ret == true) { + if (ret == true) drm_dp_send_link_address(mstb->mgr, port->mstb); - port->mstb->link_address_sent = true; - } } if (created && !port->input) { char proppath[255]; - build_mst_prop_path(port, mstb, proppath, sizeof(proppath)); - port->connector = (*mstb->mgr->cbs->add_connector)(mstb->mgr, port, proppath); - if (port->port_num >= 8) { + build_mst_prop_path(mstb, port->port_num, proppath, sizeof(proppath)); + port->connector = (*mstb->mgr->cbs->add_connector)(mstb->mgr, port, proppath); + if (!port->connector) { + /* remove it from the port list */ + mutex_lock(&mstb->mgr->lock); + list_del(&port->next); + mutex_unlock(&mstb->mgr->lock); + /* drop port list reference */ + drm_dp_put_port(port); + goto out; + } + if (port->port_num >= DP_MST_LOGICAL_PORT_0) { port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc); + drm_mode_connector_set_tile_property(port->connector); } + (*mstb->mgr->cbs->register_connector)(port->connector); } +out: /* put reference to this port */ drm_dp_put_port(port); } @@ -1182,17 +1194,18 @@ static struct drm_dp_mst_branch *drm_dp_get_mst_branch_device(struct drm_dp_mst_ list_for_each_entry(port, &mstb->ports, next) { if (port->port_num == port_num) { - if (!port->mstb) { + mstb = port->mstb; + if (!mstb) { DRM_ERROR("failed to lookup MSTB with lct %d, rad %02x\n", lct, rad[0]); - return NULL; + goto out; } - mstb = port->mstb; break; } } } kref_get(&mstb->kref); +out: mutex_unlock(&mgr->lock); return mstb; } @@ -1202,10 +1215,9 @@ static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *m { struct drm_dp_mst_port *port; struct drm_dp_mst_branch *mstb_child; - if (!mstb->link_address_sent) { + if (!mstb->link_address_sent) drm_dp_send_link_address(mgr, mstb); - mstb->link_address_sent = true; - } + list_for_each_entry(port, &mstb->ports, next) { if (port->input) continue; @@ -1458,8 +1470,8 @@ static void drm_dp_queue_down_tx(struct drm_dp_mst_topology_mgr *mgr, mutex_unlock(&mgr->qlock); } -static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, - struct drm_dp_mst_branch *mstb) +static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_branch *mstb) { int len; struct drm_dp_sideband_msg_tx *txmsg; @@ -1467,11 +1479,12 @@ static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); if (!txmsg) - return -ENOMEM; + return; txmsg->dst = mstb; len = build_link_address(txmsg); + mstb->link_address_sent = true; drm_dp_queue_down_tx(mgr, txmsg); ret = drm_dp_mst_wait_tx_reply(mstb, txmsg); @@ -1499,11 +1512,12 @@ static int drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr, } (*mgr->cbs->hotplug)(mgr); } - } else + } else { + mstb->link_address_sent = false; DRM_DEBUG_KMS("link address failed %d\n", ret); + } kfree(txmsg); - return 0; } static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr, @@ -1978,6 +1992,8 @@ void drm_dp_mst_topology_mgr_suspend(struct drm_dp_mst_topology_mgr *mgr) drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, DP_MST_EN | DP_UPSTREAM_IS_SRC); mutex_unlock(&mgr->lock); + flush_work(&mgr->work); + flush_work(&mgr->destroy_connector_work); } EXPORT_SYMBOL(drm_dp_mst_topology_mgr_suspend); @@ -2263,10 +2279,10 @@ struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_ if (port->cached_edid) edid = drm_edid_duplicate(port->cached_edid); - else + else { edid = drm_get_edid(connector, &port->aux.ddc); - - drm_mode_connector_set_tile_property(connector); + drm_mode_connector_set_tile_property(connector); + } drm_dp_put_port(port); return edid; } @@ -2671,7 +2687,7 @@ static void drm_dp_destroy_connector_work(struct work_struct *work) { struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, destroy_connector_work); struct drm_dp_mst_port *port; - + bool send_hotplug = false; /* * Not a regular list traverse as we have to drop the destroy * connector lock before destroying the connector, to avoid AB->BA @@ -2694,7 +2710,10 @@ static void drm_dp_destroy_connector_work(struct work_struct *work) if (!port->input && port->vcpi.vcpi > 0) drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); kfree(port); + send_hotplug = true; } + if (send_hotplug) + (*mgr->cbs->hotplug)(mgr); } /** @@ -2747,6 +2766,7 @@ EXPORT_SYMBOL(drm_dp_mst_topology_mgr_init); */ void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr) { + flush_work(&mgr->work); flush_work(&mgr->destroy_connector_work); mutex_lock(&mgr->payload_lock); kfree(mgr->payloads); @@ -2782,12 +2802,13 @@ static int drm_dp_mst_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs if (msgs[num - 1].flags & I2C_M_RD) reading = true; - if (!reading) { + if (!reading || (num - 1 > DP_REMOTE_I2C_READ_MAX_TRANSACTIONS)) { DRM_DEBUG_KMS("Unsupported I2C transaction for MST device\n"); ret = -EIO; goto out; } + memset(&msg, 0, sizeof(msg)); msg.req_type = DP_REMOTE_I2C_READ; msg.u.i2c_read.num_transactions = num - 1; msg.u.i2c_read.port_number = port->port_num; diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 418d299f3b12..ca08c472311b 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -345,7 +345,11 @@ static bool restore_fbdev_mode(struct drm_fb_helper *fb_helper) struct drm_crtc *crtc = mode_set->crtc; int ret; - if (crtc->funcs->cursor_set) { + if (crtc->funcs->cursor_set2) { + ret = crtc->funcs->cursor_set2(crtc, NULL, 0, 0, 0, 0, 0); + if (ret) + error = true; + } else if (crtc->funcs->cursor_set) { ret = crtc->funcs->cursor_set(crtc, NULL, 0, 0, 0); if (ret) error = true; diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index d734780b31c0..a18164f2f6d2 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -94,7 +94,18 @@ static int drm_helper_probe_add_cmdline_mode(struct drm_connector *connector) } #define DRM_OUTPUT_POLL_PERIOD (10*HZ) -static void __drm_kms_helper_poll_enable(struct drm_device *dev) +/** + * drm_kms_helper_poll_enable_locked - re-enable output polling. + * @dev: drm_device + * + * This function re-enables the output polling work without + * locking the mode_config mutex. + * + * This is like drm_kms_helper_poll_enable() however it is to be + * called from a context where the mode_config mutex is locked + * already. + */ +void drm_kms_helper_poll_enable_locked(struct drm_device *dev) { bool poll = false; struct drm_connector *connector; @@ -113,6 +124,8 @@ static void __drm_kms_helper_poll_enable(struct drm_device *dev) if (poll) schedule_delayed_work(&dev->mode_config.output_poll_work, DRM_OUTPUT_POLL_PERIOD); } +EXPORT_SYMBOL(drm_kms_helper_poll_enable_locked); + static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connector *connector, uint32_t maxX, uint32_t maxY, bool merge_type_bits) @@ -174,7 +187,7 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect /* Re-enable polling in case the global poll config changed. */ if (drm_kms_helper_poll != dev->mode_config.poll_running) - __drm_kms_helper_poll_enable(dev); + drm_kms_helper_poll_enable_locked(dev); dev->mode_config.poll_running = drm_kms_helper_poll; @@ -428,7 +441,7 @@ EXPORT_SYMBOL(drm_kms_helper_poll_disable); void drm_kms_helper_poll_enable(struct drm_device *dev) { mutex_lock(&dev->mode_config.mutex); - __drm_kms_helper_poll_enable(dev); + drm_kms_helper_poll_enable_locked(dev); mutex_unlock(&dev->mode_config.mutex); } EXPORT_SYMBOL(drm_kms_helper_poll_enable); diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 0f6cd33b531f..684bd4a13843 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -235,18 +235,12 @@ static ssize_t dpms_show(struct device *device, char *buf) { struct drm_connector *connector = to_drm_connector(device); - struct drm_device *dev = connector->dev; - uint64_t dpms_status; - int ret; + int dpms; - ret = drm_object_property_get_value(&connector->base, - dev->mode_config.dpms_property, - &dpms_status); - if (ret) - return 0; + dpms = READ_ONCE(connector->dpms); return snprintf(buf, PAGE_SIZE, "%s\n", - drm_get_dpms_name((int)dpms_status)); + drm_get_dpms_name(dpms)); } static ssize_t enabled_show(struct device *device, diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c index cbdb78ef3bac..e6cbaca821a4 100644 --- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c @@ -37,7 +37,6 @@ * DECON stands for Display and Enhancement controller. */ -#define DECON_DEFAULT_FRAMERATE 60 #define MIN_FB_WIDTH_FOR_16WORD_BURST 128 #define WINDOWS_NR 2 @@ -165,16 +164,6 @@ static u32 decon_calc_clkdiv(struct decon_context *ctx, return (clkdiv < 0x100) ? clkdiv : 0xff; } -static bool decon_mode_fixup(struct exynos_drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - if (adjusted_mode->vrefresh == 0) - adjusted_mode->vrefresh = DECON_DEFAULT_FRAMERATE; - - return true; -} - static void decon_commit(struct exynos_drm_crtc *crtc) { struct decon_context *ctx = crtc->ctx; @@ -637,7 +626,6 @@ static void decon_disable(struct exynos_drm_crtc *crtc) static const struct exynos_drm_crtc_ops decon_crtc_ops = { .enable = decon_enable, .disable = decon_disable, - .mode_fixup = decon_mode_fixup, .commit = decon_commit, .enable_vblank = decon_enable_vblank, .disable_vblank = decon_disable_vblank, diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index d66ade0efac8..124fb9a56f02 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -1383,28 +1383,6 @@ static int exynos_dp_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP -static int exynos_dp_suspend(struct device *dev) -{ - struct exynos_dp_device *dp = dev_get_drvdata(dev); - - exynos_dp_disable(&dp->encoder); - return 0; -} - -static int exynos_dp_resume(struct device *dev) -{ - struct exynos_dp_device *dp = dev_get_drvdata(dev); - - exynos_dp_enable(&dp->encoder); - return 0; -} -#endif - -static const struct dev_pm_ops exynos_dp_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(exynos_dp_suspend, exynos_dp_resume) -}; - static const struct of_device_id exynos_dp_match[] = { { .compatible = "samsung,exynos5-dp" }, {}, @@ -1417,7 +1395,6 @@ struct platform_driver dp_driver = { .driver = { .name = "exynos-dp", .owner = THIS_MODULE, - .pm = &exynos_dp_pm_ops, .of_match_table = exynos_dp_match, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c index c68a6a2a9b57..7f55ba6771c6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_core.c +++ b/drivers/gpu/drm/exynos/exynos_drm_core.c @@ -28,7 +28,6 @@ int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv) return 0; } -EXPORT_SYMBOL_GPL(exynos_drm_subdrv_register); int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *subdrv) { @@ -39,7 +38,6 @@ int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *subdrv) return 0; } -EXPORT_SYMBOL_GPL(exynos_drm_subdrv_unregister); int exynos_drm_device_subdrv_probe(struct drm_device *dev) { @@ -69,7 +67,6 @@ int exynos_drm_device_subdrv_probe(struct drm_device *dev) return 0; } -EXPORT_SYMBOL_GPL(exynos_drm_device_subdrv_probe); int exynos_drm_device_subdrv_remove(struct drm_device *dev) { @@ -87,7 +84,6 @@ int exynos_drm_device_subdrv_remove(struct drm_device *dev) return 0; } -EXPORT_SYMBOL_GPL(exynos_drm_device_subdrv_remove); int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file) { @@ -111,7 +107,6 @@ err: } return ret; } -EXPORT_SYMBOL_GPL(exynos_drm_subdrv_open); void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file) { @@ -122,4 +117,3 @@ void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file) subdrv->close(dev, subdrv->dev, file); } } -EXPORT_SYMBOL_GPL(exynos_drm_subdrv_close); diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 0872aa2f450f..ed28823d3b35 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -41,20 +41,6 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc) exynos_crtc->ops->disable(exynos_crtc); } -static bool -exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - - if (exynos_crtc->ops->mode_fixup) - return exynos_crtc->ops->mode_fixup(exynos_crtc, mode, - adjusted_mode); - - return true; -} - static void exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) { @@ -99,7 +85,6 @@ static void exynos_crtc_atomic_flush(struct drm_crtc *crtc, static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { .enable = exynos_drm_crtc_enable, .disable = exynos_drm_crtc_disable, - .mode_fixup = exynos_drm_crtc_mode_fixup, .mode_set_nofb = exynos_drm_crtc_mode_set_nofb, .atomic_begin = exynos_crtc_atomic_begin, .atomic_flush = exynos_crtc_atomic_flush, diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 831d2e4cacf9..ae9e6b2d3758 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -304,6 +304,7 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, return 0; } +#ifdef CONFIG_PM_SLEEP static int exynos_drm_suspend(struct drm_device *dev, pm_message_t state) { struct drm_connector *connector; @@ -340,6 +341,7 @@ static int exynos_drm_resume(struct drm_device *dev) return 0; } +#endif static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index b7ba21dfb696..6c717ba672db 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -82,7 +82,6 @@ struct exynos_drm_plane { * * @enable: enable the device * @disable: disable the device - * @mode_fixup: fix mode data before applying it * @commit: set current hw specific display mode to hw. * @enable_vblank: specific driver callback for enabling vblank interrupt. * @disable_vblank: specific driver callback for disabling vblank interrupt. @@ -103,9 +102,6 @@ struct exynos_drm_crtc; struct exynos_drm_crtc_ops { void (*enable)(struct exynos_drm_crtc *crtc); void (*disable)(struct exynos_drm_crtc *crtc); - bool (*mode_fixup)(struct exynos_drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); void (*commit)(struct exynos_drm_crtc *crtc); int (*enable_vblank)(struct exynos_drm_crtc *crtc); void (*disable_vblank)(struct exynos_drm_crtc *crtc); diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 2a652359af64..dd3a5e6d58c8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1206,23 +1206,6 @@ static struct exynos_drm_ipp_ops fimc_dst_ops = { .set_addr = fimc_dst_set_addr, }; -static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable) -{ - DRM_DEBUG_KMS("enable[%d]\n", enable); - - if (enable) { - clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]); - clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]); - ctx->suspended = false; - } else { - clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]); - clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]); - ctx->suspended = true; - } - - return 0; -} - static irqreturn_t fimc_irq_handler(int irq, void *dev_id) { struct fimc_context *ctx = dev_id; @@ -1780,6 +1763,24 @@ static int fimc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable) +{ + DRM_DEBUG_KMS("enable[%d]\n", enable); + + if (enable) { + clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]); + clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]); + ctx->suspended = false; + } else { + clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]); + clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]); + ctx->suspended = true; + } + + return 0; +} + #ifdef CONFIG_PM_SLEEP static int fimc_suspend(struct device *dev) { @@ -1806,7 +1807,6 @@ static int fimc_resume(struct device *dev) } #endif -#ifdef CONFIG_PM static int fimc_runtime_suspend(struct device *dev) { struct fimc_context *ctx = get_fimc_context(dev); diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 750a9e6b9e8d..3d1aba67758b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -41,7 +41,6 @@ * CPU Interface. */ -#define FIMD_DEFAULT_FRAMERATE 60 #define MIN_FB_WIDTH_FOR_16WORD_BURST 128 /* position control register for hardware window 0, 2 ~ 4.*/ @@ -377,16 +376,6 @@ static u32 fimd_calc_clkdiv(struct fimd_context *ctx, return (clkdiv < 0x100) ? clkdiv : 0xff; } -static bool fimd_mode_fixup(struct exynos_drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - if (adjusted_mode->vrefresh == 0) - adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE; - - return true; -} - static void fimd_commit(struct exynos_drm_crtc *crtc) { struct fimd_context *ctx = crtc->ctx; @@ -882,13 +871,12 @@ static void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable) return; val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE; - writel(DP_MIE_CLK_DP_ENABLE, ctx->regs + DP_MIE_CLKCON); + writel(val, ctx->regs + DP_MIE_CLKCON); } static const struct exynos_drm_crtc_ops fimd_crtc_ops = { .enable = fimd_enable, .disable = fimd_disable, - .mode_fixup = fimd_mode_fixup, .commit = fimd_commit, .enable_vblank = fimd_enable_vblank, .disable_vblank = fimd_disable_vblank, diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 3734c34aed16..c17efdb238a6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -1059,7 +1059,6 @@ int exynos_g2d_get_ver_ioctl(struct drm_device *drm_dev, void *data, return 0; } -EXPORT_SYMBOL_GPL(exynos_g2d_get_ver_ioctl); int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, struct drm_file *file) @@ -1230,7 +1229,6 @@ err: g2d_put_cmdlist(g2d, node); return ret; } -EXPORT_SYMBOL_GPL(exynos_g2d_set_cmdlist_ioctl); int exynos_g2d_exec_ioctl(struct drm_device *drm_dev, void *data, struct drm_file *file) @@ -1293,7 +1291,6 @@ int exynos_g2d_exec_ioctl(struct drm_device *drm_dev, void *data, out: return 0; } -EXPORT_SYMBOL_GPL(exynos_g2d_exec_ioctl); static int g2d_subdrv_probe(struct drm_device *drm_dev, struct device *dev) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index f12fbc36b120..407afedb6003 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -56,39 +56,35 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem_obj *obj) nr_pages = obj->size >> PAGE_SHIFT; if (!is_drm_iommu_supported(dev)) { - dma_addr_t start_addr; - unsigned int i = 0; - obj->pages = drm_calloc_large(nr_pages, sizeof(struct page *)); if (!obj->pages) { DRM_ERROR("failed to allocate pages.\n"); return -ENOMEM; } + } - obj->cookie = dma_alloc_attrs(dev->dev, - obj->size, - &obj->dma_addr, GFP_KERNEL, - &obj->dma_attrs); - if (!obj->cookie) { - DRM_ERROR("failed to allocate buffer.\n"); + obj->cookie = dma_alloc_attrs(dev->dev, obj->size, &obj->dma_addr, + GFP_KERNEL, &obj->dma_attrs); + if (!obj->cookie) { + DRM_ERROR("failed to allocate buffer.\n"); + if (obj->pages) drm_free_large(obj->pages); - return -ENOMEM; - } + return -ENOMEM; + } + + if (obj->pages) { + dma_addr_t start_addr; + unsigned int i = 0; start_addr = obj->dma_addr; while (i < nr_pages) { - obj->pages[i] = phys_to_page(start_addr); + obj->pages[i] = pfn_to_page(dma_to_pfn(dev->dev, + start_addr)); start_addr += PAGE_SIZE; i++; } } else { - obj->pages = dma_alloc_attrs(dev->dev, obj->size, - &obj->dma_addr, GFP_KERNEL, - &obj->dma_attrs); - if (!obj->pages) { - DRM_ERROR("failed to allocate buffer.\n"); - return -ENOMEM; - } + obj->pages = obj->cookie; } DRM_DEBUG_KMS("dma_addr(0x%lx), size(0x%lx)\n", @@ -110,15 +106,11 @@ static void exynos_drm_free_buf(struct exynos_drm_gem_obj *obj) DRM_DEBUG_KMS("dma_addr(0x%lx), size(0x%lx)\n", (unsigned long)obj->dma_addr, obj->size); - if (!is_drm_iommu_supported(dev)) { - dma_free_attrs(dev->dev, obj->size, obj->cookie, - (dma_addr_t)obj->dma_addr, &obj->dma_attrs); - drm_free_large(obj->pages); - } else - dma_free_attrs(dev->dev, obj->size, obj->pages, - (dma_addr_t)obj->dma_addr, &obj->dma_attrs); + dma_free_attrs(dev->dev, obj->size, obj->cookie, + (dma_addr_t)obj->dma_addr, &obj->dma_attrs); - obj->dma_addr = (dma_addr_t)NULL; + if (!is_drm_iommu_supported(dev)) + drm_free_large(obj->pages); } static int exynos_drm_gem_handle_create(struct drm_gem_object *obj, @@ -156,18 +148,14 @@ void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj) * once dmabuf's refcount becomes 0. */ if (obj->import_attach) - goto out; - - exynos_drm_free_buf(exynos_gem_obj); - -out: - drm_gem_free_mmap_offset(obj); + drm_prime_gem_destroy(obj, exynos_gem_obj->sgt); + else + exynos_drm_free_buf(exynos_gem_obj); /* release file pointer to gem object. */ drm_gem_object_release(obj); kfree(exynos_gem_obj); - exynos_gem_obj = NULL; } unsigned long exynos_drm_gem_get_size(struct drm_device *dev, @@ -190,8 +178,7 @@ unsigned long exynos_drm_gem_get_size(struct drm_device *dev, return exynos_gem_obj->size; } - -struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, +static struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, unsigned long size) { struct exynos_drm_gem_obj *exynos_gem_obj; @@ -212,6 +199,13 @@ struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, return ERR_PTR(ret); } + ret = drm_gem_create_mmap_offset(obj); + if (ret < 0) { + drm_gem_object_release(obj); + kfree(exynos_gem_obj); + return ERR_PTR(ret); + } + DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp); return exynos_gem_obj; @@ -313,7 +307,7 @@ void exynos_drm_gem_put_dma_addr(struct drm_device *dev, drm_gem_object_unreference_unlocked(obj); } -int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem_obj *exynos_gem_obj, +static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem_obj *exynos_gem_obj, struct vm_area_struct *vma) { struct drm_device *drm_dev = exynos_gem_obj->base.dev; @@ -342,7 +336,8 @@ int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem_obj *exynos_gem_obj, int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ struct exynos_drm_gem_obj *exynos_gem_obj; +{ + struct exynos_drm_gem_obj *exynos_gem_obj; struct drm_exynos_gem_info *args = data; struct drm_gem_object *obj; @@ -402,6 +397,7 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, struct drm_mode_create_dumb *args) { struct exynos_drm_gem_obj *exynos_gem_obj; + unsigned int flags; int ret; /* @@ -413,16 +409,12 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, args->pitch = args->width * ((args->bpp + 7) / 8); args->size = args->pitch * args->height; - if (is_drm_iommu_supported(dev)) { - exynos_gem_obj = exynos_drm_gem_create(dev, - EXYNOS_BO_NONCONTIG | EXYNOS_BO_WC, - args->size); - } else { - exynos_gem_obj = exynos_drm_gem_create(dev, - EXYNOS_BO_CONTIG | EXYNOS_BO_WC, - args->size); - } + if (is_drm_iommu_supported(dev)) + flags = EXYNOS_BO_NONCONTIG | EXYNOS_BO_WC; + else + flags = EXYNOS_BO_CONTIG | EXYNOS_BO_WC; + exynos_gem_obj = exynos_drm_gem_create(dev, flags, args->size); if (IS_ERR(exynos_gem_obj)) { dev_warn(dev->dev, "FB allocation failed.\n"); return PTR_ERR(exynos_gem_obj); @@ -460,14 +452,9 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv, goto unlock; } - ret = drm_gem_create_mmap_offset(obj); - if (ret) - goto out; - *offset = drm_vma_node_offset_addr(&obj->vma_node); DRM_DEBUG_KMS("offset = 0x%lx\n", (unsigned long)*offset); -out: drm_gem_object_unreference(obj); unlock: mutex_unlock(&dev->struct_mutex); @@ -543,7 +530,6 @@ int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) err_close_vm: drm_gem_vm_close(vma); - drm_gem_free_mmap_offset(obj); return ret; } @@ -588,6 +574,8 @@ exynos_drm_gem_prime_import_sg_table(struct drm_device *dev, if (ret < 0) goto err_free_large; + exynos_gem_obj->sgt = sgt; + if (sgt->nents == 1) { /* always physically continuous memory if sgt->nents is 1. */ exynos_gem_obj->flags |= EXYNOS_BO_CONTIG; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index cd62f8410d1e..b62d1007c0e0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -39,6 +39,7 @@ * - this address could be physical address without IOMMU and * device address with IOMMU. * @pages: Array of backing pages. + * @sgt: Imported sg_table. * * P.S. this object would be transferred to user as kms_bo.handle so * user can access the buffer through kms_bo.handle. @@ -52,6 +53,7 @@ struct exynos_drm_gem_obj { dma_addr_t dma_addr; struct dma_attrs dma_attrs; struct page **pages; + struct sg_table *sgt; }; struct page **exynos_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask); @@ -59,10 +61,6 @@ struct page **exynos_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask); /* destroy a buffer with gem object */ void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj); -/* create a private gem object and initialize it. */ -struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, - unsigned long size); - /* create a new buffer with gem object */ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, unsigned int flags, diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index 425e70625388..2f5c118f4c8e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -786,6 +786,7 @@ static int rotator_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM static int rotator_clk_crtl(struct rot_context *rot, bool enable) { if (enable) { @@ -822,7 +823,6 @@ static int rotator_resume(struct device *dev) } #endif -#ifdef CONFIG_PM static int rotator_runtime_suspend(struct device *dev) { struct rot_context *rot = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index f6ecbda2c604..674341708033 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -143,7 +143,7 @@ i915_gem_shrink(struct drm_i915_private *dev_priv, } /** - * i915_gem_shrink - Shrink buffer object caches completely + * i915_gem_shrink_all - Shrink buffer object caches completely * @dev_priv: i915 device * * This is a simple wraper around i915_gem_shrink() to aggressively shrink all diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index 8fd431bcdfd3..a96b9006a51e 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -804,7 +804,10 @@ static const struct drm_i915_gem_object_ops i915_gem_userptr_ops = { * Also note, that the object created here is not currently a "first class" * object, in that several ioctls are banned. These are the CPU access * ioctls: mmap(), pwrite and pread. In practice, you are expected to use - * direct access via your pointer rather than use those ioctls. + * direct access via your pointer rather than use those ioctls. Another + * restriction is that we do not allow userptr surfaces to be pinned to the + * hardware and so we reject any attempt to create a framebuffer out of a + * userptr. * * If you think this is a good interface to use to pass GPU memory between * drivers, please use dma-buf instead. In fact, wherever possible use diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index cf418be7d30a..b2270d576979 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1724,6 +1724,15 @@ static void i9xx_enable_pll(struct intel_crtc *crtc) I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE); } + /* + * Apparently we need to have VGA mode enabled prior to changing + * the P1/P2 dividers. Otherwise the DPLL will keep using the old + * dividers, even though the register value does change. + */ + I915_WRITE(reg, 0); + + I915_WRITE(reg, dpll); + /* Wait for the clocks to stabilize. */ POSTING_READ(reg); udelay(150); @@ -14107,6 +14116,11 @@ static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); struct drm_i915_gem_object *obj = intel_fb->obj; + if (obj->userptr.mm) { + DRM_DEBUG("attempting to use a userptr for a framebuffer, denied\n"); + return -EINVAL; + } + return drm_gem_handle_create(file, &obj->base, handle); } @@ -14897,9 +14911,19 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) /* restore vblank interrupts to correct state */ drm_crtc_vblank_reset(&crtc->base); if (crtc->active) { + struct intel_plane *plane; + drm_calc_timestamping_constants(&crtc->base, &crtc->base.hwmode); update_scanline_offset(crtc); drm_crtc_vblank_on(&crtc->base); + + /* Disable everything but the primary plane */ + for_each_intel_plane_on_crtc(dev, crtc, plane) { + if (plane->base.type == DRM_PLANE_TYPE_PRIMARY) + continue; + + plane->disable_plane(&plane->base, &crtc->base); + } } /* We need to sanitize the plane -> pipe mapping first because this will @@ -15067,38 +15091,25 @@ void i915_redisable_vga(struct drm_device *dev) i915_redisable_vga_power_on(dev); } -static bool primary_get_hw_state(struct intel_crtc *crtc) +static bool primary_get_hw_state(struct intel_plane *plane) { - struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); - return !!(I915_READ(DSPCNTR(crtc->plane)) & DISPLAY_PLANE_ENABLE); + return I915_READ(DSPCNTR(plane->plane)) & DISPLAY_PLANE_ENABLE; } -static void readout_plane_state(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state) +/* FIXME read out full plane state for all planes */ +static void readout_plane_state(struct intel_crtc *crtc) { - struct intel_plane *p; - struct intel_plane_state *plane_state; - bool active = crtc_state->base.active; - - for_each_intel_plane(crtc->base.dev, p) { - if (crtc->pipe != p->pipe) - continue; - - plane_state = to_intel_plane_state(p->base.state); + struct drm_plane *primary = crtc->base.primary; + struct intel_plane_state *plane_state = + to_intel_plane_state(primary->state); - if (p->base.type == DRM_PLANE_TYPE_PRIMARY) { - plane_state->visible = primary_get_hw_state(crtc); - if (plane_state->visible) - crtc->base.state->plane_mask |= - 1 << drm_plane_index(&p->base); - } else { - if (active) - p->disable_plane(&p->base, &crtc->base); + plane_state->visible = + primary_get_hw_state(to_intel_plane(primary)); - plane_state->visible = false; - } - } + if (plane_state->visible) + crtc->base.state->plane_mask |= 1 << drm_plane_index(primary); } static void intel_modeset_readout_hw_state(struct drm_device *dev) @@ -15121,34 +15132,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) crtc->base.state->active = crtc->active; crtc->base.enabled = crtc->active; - memset(&crtc->base.mode, 0, sizeof(crtc->base.mode)); - if (crtc->base.state->active) { - intel_mode_from_pipe_config(&crtc->base.mode, crtc->config); - intel_mode_from_pipe_config(&crtc->base.state->adjusted_mode, crtc->config); - WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, &crtc->base.mode)); - - /* - * The initial mode needs to be set in order to keep - * the atomic core happy. It wants a valid mode if the - * crtc's enabled, so we do the above call. - * - * At this point some state updated by the connectors - * in their ->detect() callback has not run yet, so - * no recalculation can be done yet. - * - * Even if we could do a recalculation and modeset - * right now it would cause a double modeset if - * fbdev or userspace chooses a different initial mode. - * - * If that happens, someone indicated they wanted a - * mode change, which means it's safe to do a full - * recalculation. - */ - crtc->base.state->mode.private_flags = I915_MODE_FLAG_INHERITED; - } - - crtc->base.hwmode = crtc->config->base.adjusted_mode; - readout_plane_state(crtc, to_intel_crtc_state(crtc->base.state)); + readout_plane_state(crtc); DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", crtc->base.base.id, @@ -15207,6 +15191,36 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) connector->base.name, connector->base.encoder ? "enabled" : "disabled"); } + + for_each_intel_crtc(dev, crtc) { + crtc->base.hwmode = crtc->config->base.adjusted_mode; + + memset(&crtc->base.mode, 0, sizeof(crtc->base.mode)); + if (crtc->base.state->active) { + intel_mode_from_pipe_config(&crtc->base.mode, crtc->config); + intel_mode_from_pipe_config(&crtc->base.state->adjusted_mode, crtc->config); + WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, &crtc->base.mode)); + + /* + * The initial mode needs to be set in order to keep + * the atomic core happy. It wants a valid mode if the + * crtc's enabled, so we do the above call. + * + * At this point some state updated by the connectors + * in their ->detect() callback has not run yet, so + * no recalculation can be done yet. + * + * Even if we could do a recalculation and modeset + * right now it would cause a double modeset if + * fbdev or userspace chooses a different initial mode. + * + * If that happens, someone indicated they wanted a + * mode change, which means it's safe to do a full + * recalculation. + */ + crtc->base.state->mode.private_flags = I915_MODE_FLAG_INHERITED; + } + } } /* Scan out the current hw modeset state, diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 3e4be5a3becd..6ade06888432 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -462,11 +462,17 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo drm_object_attach_property(&connector->base, dev->mode_config.tile_property, 0); drm_mode_connector_set_path_property(connector, pathprop); + return connector; +} + +static void intel_dp_register_mst_connector(struct drm_connector *connector) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + struct drm_device *dev = connector->dev; drm_modeset_lock_all(dev); intel_connector_add_to_fbdev(intel_connector); drm_modeset_unlock_all(dev); drm_connector_register(&intel_connector->base); - return connector; } static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, @@ -512,6 +518,7 @@ static void intel_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr) static struct drm_dp_mst_topology_cbs mst_cbs = { .add_connector = intel_dp_add_mst_connector, + .register_connector = intel_dp_register_mst_connector, .destroy_connector = intel_dp_destroy_mst_connector, .hotplug = intel_dp_mst_hotplug, }; diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c index 53c0173a39fe..b17785719598 100644 --- a/drivers/gpu/drm/i915/intel_hotplug.c +++ b/drivers/gpu/drm/i915/intel_hotplug.c @@ -180,7 +180,7 @@ static void intel_hpd_irq_storm_disable(struct drm_i915_private *dev_priv) /* Enable polling and queue hotplug re-enabling. */ if (hpd_disabled) { - drm_kms_helper_poll_enable(dev); + drm_kms_helper_poll_enable_locked(dev); mod_delayed_work(system_wq, &dev_priv->hotplug.reenable_work, msecs_to_jiffies(HPD_STORM_REENABLE_DELAY)); } diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 72e0edd7bbde..29dd4488dc49 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -484,18 +484,18 @@ void intel_lrc_irq_handler(struct intel_engine_cs *ring) status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(ring)); read_pointer = ring->next_context_status_buffer; - write_pointer = status_pointer & 0x07; + write_pointer = status_pointer & GEN8_CSB_PTR_MASK; if (read_pointer > write_pointer) - write_pointer += 6; + write_pointer += GEN8_CSB_ENTRIES; spin_lock(&ring->execlist_lock); while (read_pointer < write_pointer) { read_pointer++; status = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + - (read_pointer % 6) * 8); + (read_pointer % GEN8_CSB_ENTRIES) * 8); status_id = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + - (read_pointer % 6) * 8 + 4); + (read_pointer % GEN8_CSB_ENTRIES) * 8 + 4); if (status & GEN8_CTX_STATUS_IDLE_ACTIVE) continue; @@ -521,10 +521,12 @@ void intel_lrc_irq_handler(struct intel_engine_cs *ring) spin_unlock(&ring->execlist_lock); WARN(submit_contexts > 2, "More than two context complete events?\n"); - ring->next_context_status_buffer = write_pointer % 6; + ring->next_context_status_buffer = write_pointer % GEN8_CSB_ENTRIES; I915_WRITE(RING_CONTEXT_STATUS_PTR(ring), - _MASKED_FIELD(0x07 << 8, ((u32)ring->next_context_status_buffer & 0x07) << 8)); + _MASKED_FIELD(GEN8_CSB_PTR_MASK << 8, + ((u32)ring->next_context_status_buffer & + GEN8_CSB_PTR_MASK) << 8)); } static int execlists_context_queue(struct drm_i915_gem_request *request) @@ -1422,6 +1424,7 @@ static int gen8_init_common_ring(struct intel_engine_cs *ring) { struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; + u8 next_context_status_buffer_hw; I915_WRITE_IMR(ring, ~(ring->irq_enable_mask | ring->irq_keep_mask)); I915_WRITE(RING_HWSTAM(ring->mmio_base), 0xffffffff); @@ -1436,7 +1439,29 @@ static int gen8_init_common_ring(struct intel_engine_cs *ring) _MASKED_BIT_DISABLE(GFX_REPLAY_MODE) | _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)); POSTING_READ(RING_MODE_GEN7(ring)); - ring->next_context_status_buffer = 0; + + /* + * Instead of resetting the Context Status Buffer (CSB) read pointer to + * zero, we need to read the write pointer from hardware and use its + * value because "this register is power context save restored". + * Effectively, these states have been observed: + * + * | Suspend-to-idle (freeze) | Suspend-to-RAM (mem) | + * BDW | CSB regs not reset | CSB regs reset | + * CHT | CSB regs not reset | CSB regs not reset | + */ + next_context_status_buffer_hw = (I915_READ(RING_CONTEXT_STATUS_PTR(ring)) + & GEN8_CSB_PTR_MASK); + + /* + * When the CSB registers are reset (also after power-up / gpu reset), + * CSB write pointer is set to all 1's, which is not valid, use '5' in + * this special case, so the first element read is CSB[0]. + */ + if (next_context_status_buffer_hw == GEN8_CSB_PTR_MASK) + next_context_status_buffer_hw = (GEN8_CSB_ENTRIES - 1); + + ring->next_context_status_buffer = next_context_status_buffer_hw; DRM_DEBUG_DRIVER("Execlists enabled for %s\n", ring->name); memset(&ring->hangcheck, 0, sizeof(ring->hangcheck)); @@ -1634,6 +1659,7 @@ static int gen8_emit_flush_render(struct drm_i915_gem_request *request, if (flush_domains) { flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; + flags |= PIPE_CONTROL_FLUSH_ENABLE; } if (invalidate_domains) { diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h index 64f89f9982a2..3c63bb32ad81 100644 --- a/drivers/gpu/drm/i915/intel_lrc.h +++ b/drivers/gpu/drm/i915/intel_lrc.h @@ -25,6 +25,8 @@ #define _INTEL_LRC_H_ #define GEN8_LR_CONTEXT_ALIGN 4096 +#define GEN8_CSB_ENTRIES 6 +#define GEN8_CSB_PTR_MASK 0x07 /* Execlists regs */ #define RING_ELSP(ring) ((ring)->mmio_base+0x230) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 6e6b8db996ef..61b451fbd09e 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -347,6 +347,7 @@ gen7_render_ring_flush(struct drm_i915_gem_request *req, if (flush_domains) { flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; + flags |= PIPE_CONTROL_FLUSH_ENABLE; } if (invalidate_domains) { flags |= PIPE_CONTROL_TLB_INVALIDATE; @@ -418,6 +419,7 @@ gen8_render_ring_flush(struct drm_i915_gem_request *req, if (flush_domains) { flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; + flags |= PIPE_CONTROL_FLUSH_ENABLE; } if (invalidate_domains) { flags |= PIPE_CONTROL_TLB_INVALIDATE; diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index af7fdb3bd663..7401cf90b0db 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -246,7 +246,8 @@ static void skl_power_well_post_enable(struct drm_i915_private *dev_priv, } if (power_well->data == SKL_DISP_PW_1) { - intel_prepare_ddi(dev); + if (!dev_priv->power_domains.initializing) + intel_prepare_ddi(dev); gen8_irq_power_well_post_enable(dev_priv, 1 << PIPE_A); } } diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index cc6c228e11c8..e905c00acf1a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -469,9 +469,13 @@ nouveau_display_create(struct drm_device *dev) if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { dev->mode_config.max_width = 4096; dev->mode_config.max_height = 4096; - } else { + } else + if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI) { dev->mode_config.max_width = 8192; dev->mode_config.max_height = 8192; + } else { + dev->mode_config.max_width = 16384; + dev->mode_config.max_height = 16384; } dev->mode_config.preferred_depth = 24; diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 2791701685dc..59f27e774acb 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -178,8 +178,30 @@ nouveau_fbcon_sync(struct fb_info *info) return 0; } +static int +nouveau_fbcon_open(struct fb_info *info, int user) +{ + struct nouveau_fbdev *fbcon = info->par; + struct nouveau_drm *drm = nouveau_drm(fbcon->dev); + int ret = pm_runtime_get_sync(drm->dev->dev); + if (ret < 0 && ret != -EACCES) + return ret; + return 0; +} + +static int +nouveau_fbcon_release(struct fb_info *info, int user) +{ + struct nouveau_fbdev *fbcon = info->par; + struct nouveau_drm *drm = nouveau_drm(fbcon->dev); + pm_runtime_put(drm->dev->dev); + return 0; +} + static struct fb_ops nouveau_fbcon_ops = { .owner = THIS_MODULE, + .fb_open = nouveau_fbcon_open, + .fb_release = nouveau_fbcon_release, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_fillrect = nouveau_fbcon_fillrect, @@ -195,6 +217,8 @@ static struct fb_ops nouveau_fbcon_ops = { static struct fb_ops nouveau_fbcon_sw_ops = { .owner = THIS_MODULE, + .fb_open = nouveau_fbcon_open, + .fb_release = nouveau_fbcon_release, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_fillrect = drm_fb_helper_cfb_fillrect, diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 2c9981512d27..41be584147b9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -227,11 +227,12 @@ nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, struct nouveau_bo *nvbo = nouveau_gem_object(gem); struct nvkm_vma *vma; - if (nvbo->bo.mem.mem_type == TTM_PL_TT) + if (is_power_of_2(nvbo->valid_domains)) + rep->domain = nvbo->valid_domains; + else if (nvbo->bo.mem.mem_type == TTM_PL_TT) rep->domain = NOUVEAU_GEM_DOMAIN_GART; else rep->domain = NOUVEAU_GEM_DOMAIN_VRAM; - rep->offset = nvbo->bo.offset; if (cli->vm) { vma = nouveau_bo_vma_find(nvbo, cli->vm); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c index 65af31441e9c..a7d69ce7abc1 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c @@ -267,6 +267,12 @@ init_i2c(struct nvbios_init *init, int index) index = NVKM_I2C_BUS_PRI; if (init->outp && init->outp->i2c_upper_default) index = NVKM_I2C_BUS_SEC; + } else + if (index == 0x80) { + index = NVKM_I2C_BUS_PRI; + } else + if (index == 0x81) { + index = NVKM_I2C_BUS_SEC; } bus = nvkm_i2c_bus_find(i2c, index); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h index e0ec2a6b7b79..212800ecdce9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h @@ -8,7 +8,10 @@ struct nvbios_source { void *(*init)(struct nvkm_bios *, const char *); void (*fini)(void *); u32 (*read)(void *, u32 offset, u32 length, struct nvkm_bios *); + u32 (*size)(void *); bool rw; + bool ignore_checksum; + bool no_pcir; }; int nvbios_extend(struct nvkm_bios *, u32 length); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c index 792f017525f6..b2557e87afdd 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c @@ -45,7 +45,7 @@ shadow_fetch(struct nvkm_bios *bios, struct shadow *mthd, u32 upto) u32 read = mthd->func->read(data, start, limit - start, bios); bios->size = start + read; } - return bios->size >= limit; + return bios->size >= upto; } static int @@ -55,14 +55,22 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd) struct nvbios_image image; int score = 1; - if (!shadow_fetch(bios, mthd, offset + 0x1000)) { - nvkm_debug(subdev, "%08x: header fetch failed\n", offset); - return 0; - } + if (mthd->func->no_pcir) { + image.base = 0; + image.type = 0; + image.size = mthd->func->size(mthd->data); + image.last = 1; + } else { + if (!shadow_fetch(bios, mthd, offset + 0x1000)) { + nvkm_debug(subdev, "%08x: header fetch failed\n", + offset); + return 0; + } - if (!nvbios_image(bios, idx, &image)) { - nvkm_debug(subdev, "image %d invalid\n", idx); - return 0; + if (!nvbios_image(bios, idx, &image)) { + nvkm_debug(subdev, "image %d invalid\n", idx); + return 0; + } } nvkm_debug(subdev, "%08x: type %02x, %d bytes\n", image.base, image.type, image.size); @@ -74,7 +82,8 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd) switch (image.type) { case 0x00: - if (nvbios_checksum(&bios->data[image.base], image.size)) { + if (!mthd->func->ignore_checksum && + nvbios_checksum(&bios->data[image.base], image.size)) { nvkm_debug(subdev, "%08x: checksum failed\n", image.base); if (mthd->func->rw) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c index bd60d7dd09f5..4bf486b57101 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c @@ -21,6 +21,7 @@ * */ #include "priv.h" + #include <core/pci.h> #if defined(__powerpc__) @@ -33,17 +34,26 @@ static u32 of_read(void *data, u32 offset, u32 length, struct nvkm_bios *bios) { struct priv *priv = data; - if (offset + length <= priv->size) { + if (offset < priv->size) { + length = min_t(u32, length, priv->size - offset); memcpy_fromio(bios->data + offset, priv->data + offset, length); return length; } return 0; } +static u32 +of_size(void *data) +{ + struct priv *priv = data; + return priv->size; +} + static void * of_init(struct nvkm_bios *bios, const char *name) { - struct pci_dev *pdev = bios->subdev.device->func->pci(bios->subdev.device)->pdev; + struct nvkm_device *device = bios->subdev.device; + struct pci_dev *pdev = device->func->pci(device)->pdev; struct device_node *dn; struct priv *priv; if (!(dn = pci_device_to_OF_node(pdev))) @@ -62,7 +72,10 @@ nvbios_of = { .init = of_init, .fini = (void(*)(void *))kfree, .read = of_read, + .size = of_size, .rw = false, + .ignore_checksum = true, + .no_pcir = true, }; #else const struct nvbios_source diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c index 814cb51cc873..385a90f91ed6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c @@ -35,6 +35,8 @@ static const struct nvkm_device_agp_quirk nvkm_device_agp_quirks[] = { /* VIA Apollo PRO133x / GeForce FX 5600 Ultra - fdo#20341 */ { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_NVIDIA, 0x0311, 2 }, + /* SiS 761 does not support AGP cards, use PCI mode */ + { PCI_VENDOR_ID_SI, 0x0761, PCI_ANY_ID, PCI_ANY_ID, 0 }, {}, }; @@ -137,8 +139,10 @@ nvkm_agp_ctor(struct nvkm_pci *pci) while (quirk->hostbridge_vendor) { if (info.device->vendor == quirk->hostbridge_vendor && info.device->device == quirk->hostbridge_device && - pci->pdev->vendor == quirk->chip_vendor && - pci->pdev->device == quirk->chip_device) { + (quirk->chip_vendor == (u16)PCI_ANY_ID || + pci->pdev->vendor == quirk->chip_vendor) && + (quirk->chip_device == (u16)PCI_ANY_ID || + pci->pdev->device == quirk->chip_device)) { nvkm_info(subdev, "forcing default agp mode to %dX, " "use NvAGP=<mode> to override\n", quirk->mode); diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index dd845f82cc24..183aea1abebc 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -244,6 +244,10 @@ static int qxl_crtc_page_flip(struct drm_crtc *crtc, ret = qxl_bo_reserve(bo, false); if (ret) return ret; + ret = qxl_bo_pin(bo, bo->type, NULL); + qxl_bo_unreserve(bo); + if (ret) + return ret; qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, &norect, one_clip_rect, inc); @@ -257,7 +261,11 @@ static int qxl_crtc_page_flip(struct drm_crtc *crtc, } drm_vblank_put(dev, qcrtc->index); - qxl_bo_unreserve(bo); + ret = qxl_bo_reserve(bo, false); + if (!ret) { + qxl_bo_unpin(bo); + qxl_bo_unreserve(bo); + } return 0; } @@ -618,7 +626,7 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc, adjusted_mode->hdisplay, adjusted_mode->vdisplay); - if (qcrtc->index == 0) + if (bo->is_primary == false) recreate_primary = true; if (bo->surf.stride * bo->surf.height > qdev->vram_size) { diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c index 41c422fee31a..c4a552637c93 100644 --- a/drivers/gpu/drm/qxl/qxl_fb.c +++ b/drivers/gpu/drm/qxl/qxl_fb.c @@ -144,14 +144,17 @@ static void qxl_dirty_update(struct qxl_fbdev *qfbdev, spin_lock_irqsave(&qfbdev->dirty.lock, flags); - if (qfbdev->dirty.y1 < y) - y = qfbdev->dirty.y1; - if (qfbdev->dirty.y2 > y2) - y2 = qfbdev->dirty.y2; - if (qfbdev->dirty.x1 < x) - x = qfbdev->dirty.x1; - if (qfbdev->dirty.x2 > x2) - x2 = qfbdev->dirty.x2; + if ((qfbdev->dirty.y2 - qfbdev->dirty.y1) && + (qfbdev->dirty.x2 - qfbdev->dirty.x1)) { + if (qfbdev->dirty.y1 < y) + y = qfbdev->dirty.y1; + if (qfbdev->dirty.y2 > y2) + y2 = qfbdev->dirty.y2; + if (qfbdev->dirty.x1 < x) + x = qfbdev->dirty.x1; + if (qfbdev->dirty.x2 > x2) + x2 = qfbdev->dirty.x2; + } qfbdev->dirty.x1 = x; qfbdev->dirty.x2 = x2; diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c index b66ec331c17c..4efa8e261baf 100644 --- a/drivers/gpu/drm/qxl/qxl_release.c +++ b/drivers/gpu/drm/qxl/qxl_release.c @@ -307,7 +307,7 @@ int qxl_alloc_surface_release_reserved(struct qxl_device *qdev, idr_ret = qxl_release_alloc(qdev, QXL_RELEASE_SURFACE_CMD, release); if (idr_ret < 0) return idr_ret; - bo = qxl_bo_ref(to_qxl_bo(entry->tv.bo)); + bo = to_qxl_bo(entry->tv.bo); (*release)->release_offset = create_rel->release_offset + 64; @@ -316,8 +316,6 @@ int qxl_alloc_surface_release_reserved(struct qxl_device *qdev, info = qxl_release_map(qdev, *release); info->id = idr_ret; qxl_release_unmap(qdev, *release, info); - - qxl_bo_unref(&bo); return 0; } diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index c3872598b85a..bb292143997e 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -237,6 +237,7 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, backlight_update_status(bd); DRM_INFO("radeon atom DIG backlight initialized\n"); + rdev->mode_info.bl_encoder = radeon_encoder; return; @@ -1624,8 +1625,14 @@ radeon_atom_encoder_dpms_avivo(struct drm_encoder *encoder, int mode) } else atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { - args.ucAction = ATOM_LCD_BLON; - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + if (rdev->mode_info.bl_encoder) { + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + + atombios_set_backlight_level(radeon_encoder, dig->backlight_level); + } else { + args.ucAction = ATOM_LCD_BLON; + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + } } break; case DRM_MODE_DPMS_STANDBY: @@ -1705,9 +1712,13 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) if (ASIC_IS_DCE4(rdev)) atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0); } - if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) - atombios_dig_transmitter_setup(encoder, - ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0); + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + if (rdev->mode_info.bl_encoder) + atombios_set_backlight_level(radeon_encoder, dig->backlight_level); + else + atombios_dig_transmitter_setup(encoder, + ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0); + } if (ext_encoder) atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE); break; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index f03b7eb15233..b6cbd816537e 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1658,6 +1658,7 @@ struct radeon_pm { u8 fan_max_rpm; /* dpm */ bool dpm_enabled; + bool sysfs_initialized; struct radeon_dpm dpm; }; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index d2e9e9efc159..6743174acdbc 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -1633,18 +1633,8 @@ int radeon_modeset_init(struct radeon_device *rdev) radeon_fbdev_init(rdev); drm_kms_helper_poll_init(rdev->ddev); - if (rdev->pm.dpm_enabled) { - /* do dpm late init */ - ret = radeon_pm_late_init(rdev); - if (ret) { - rdev->pm.dpm_enabled = false; - DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n"); - } - /* set the dpm state for PX since there won't be - * a modeset to call this. - */ - radeon_pm_compute_clocks(rdev); - } + /* do pm late init */ + ret = radeon_pm_late_init(rdev); return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index 5e09c061847f..744f5c49c664 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -265,7 +265,6 @@ static struct drm_connector *radeon_dp_add_mst_connector(struct drm_dp_mst_topol { struct radeon_connector *master = container_of(mgr, struct radeon_connector, mst_mgr); struct drm_device *dev = master->base.dev; - struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector; struct drm_connector *connector; @@ -284,14 +283,22 @@ static struct drm_connector *radeon_dp_add_mst_connector(struct drm_dp_mst_topol radeon_connector->mst_encoder = radeon_dp_create_fake_mst_encoder(master); drm_object_attach_property(&connector->base, dev->mode_config.path_property, 0); + drm_object_attach_property(&connector->base, dev->mode_config.tile_property, 0); drm_mode_connector_set_path_property(connector, pathprop); + return connector; +} + +static void radeon_dp_register_mst_connector(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct radeon_device *rdev = dev->dev_private; + drm_modeset_lock_all(dev); radeon_fb_add_connector(rdev, connector); drm_modeset_unlock_all(dev); drm_connector_register(connector); - return connector; } static void radeon_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, @@ -324,6 +331,7 @@ static void radeon_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr) struct drm_dp_mst_topology_cbs mst_cbs = { .add_connector = radeon_dp_add_mst_connector, + .register_connector = radeon_dp_register_mst_connector, .destroy_connector = radeon_dp_destroy_mst_connector, .hotplug = radeon_dp_mst_hotplug, }; diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index ef99917f000d..c6ee80216cf4 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -194,7 +194,6 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, radeon_atom_backlight_init(radeon_encoder, connector); else radeon_legacy_backlight_init(radeon_encoder, connector); - rdev->mode_info.bl_encoder = radeon_encoder; } } diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index 7214858ffcea..26da2f4d7b4f 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -48,40 +48,10 @@ struct radeon_fbdev { struct radeon_device *rdev; }; -/** - * radeon_fb_helper_set_par - Hide cursor on CRTCs used by fbdev. - * - * @info: fbdev info - * - * This function hides the cursor on all CRTCs used by fbdev. - */ -static int radeon_fb_helper_set_par(struct fb_info *info) -{ - int ret; - - ret = drm_fb_helper_set_par(info); - - /* XXX: with universal plane support fbdev will automatically disable - * all non-primary planes (including the cursor) - */ - if (ret == 0) { - struct drm_fb_helper *fb_helper = info->par; - int i; - - for (i = 0; i < fb_helper->crtc_count; i++) { - struct drm_crtc *crtc = fb_helper->crtc_info[i].mode_set.crtc; - - radeon_crtc_cursor_set2(crtc, NULL, 0, 0, 0, 0, 0); - } - } - - return ret; -} - static struct fb_ops radeonfb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, - .fb_set_par = radeon_fb_helper_set_par, + .fb_set_par = drm_fb_helper_set_par, .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = drm_fb_helper_cfb_copyarea, .fb_imageblit = drm_fb_helper_cfb_imageblit, @@ -427,3 +397,19 @@ void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector { drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector); } + +void radeon_fbdev_restore_mode(struct radeon_device *rdev) +{ + struct radeon_fbdev *rfbdev = rdev->mode_info.rfbdev; + struct drm_fb_helper *fb_helper; + int ret; + + if (!rfbdev) + return; + + fb_helper = &rfbdev->helper; + + ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper); + if (ret) + DRM_DEBUG("failed to restore crtc mode\n"); +} diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 4a119c255ba9..0e932bf932c1 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -598,7 +598,7 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file * Outdated mess for old drm with Xorg being in charge (void function now). */ /** - * radeon_driver_firstopen_kms - drm callback for last close + * radeon_driver_lastclose_kms - drm callback for last close * * @dev: drm dev pointer * @@ -606,6 +606,9 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file */ void radeon_driver_lastclose_kms(struct drm_device *dev) { + struct radeon_device *rdev = dev->dev_private; + + radeon_fbdev_restore_mode(rdev); vga_switcheroo_process_delayed_switch(); } diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index 45715307db71..30de43366eae 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -441,6 +441,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, backlight_update_status(bd); DRM_INFO("radeon legacy LVDS backlight initialized\n"); + rdev->mode_info.bl_encoder = radeon_encoder; return; diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index aecc3e3dec0c..457b026a0972 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -980,6 +980,7 @@ int radeon_fbdev_init(struct radeon_device *rdev); void radeon_fbdev_fini(struct radeon_device *rdev); void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state); bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj); +void radeon_fbdev_restore_mode(struct radeon_device *rdev); void radeon_fb_output_poll_changed(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 05751f3f8444..5feee3b4c557 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -717,10 +717,14 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, struct radeon_device *rdev = dev_get_drvdata(dev); umode_t effective_mode = attr->mode; - /* Skip limit attributes if DPM is not enabled */ + /* Skip attributes if DPM is not enabled */ if (rdev->pm.pm_method != PM_METHOD_DPM && (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr || - attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr)) + attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr || + attr == &sensor_dev_attr_pwm1.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_min.dev_attr.attr)) return 0; /* Skip fan attributes if fan is not present */ @@ -1326,14 +1330,6 @@ static int radeon_pm_init_old(struct radeon_device *rdev) INIT_DELAYED_WORK(&rdev->pm.dynpm_idle_work, radeon_dynpm_idle_work_handler); if (rdev->pm.num_power_states > 1) { - /* where's the best place to put these? */ - ret = device_create_file(rdev->dev, &dev_attr_power_profile); - if (ret) - DRM_ERROR("failed to create device file for power profile\n"); - ret = device_create_file(rdev->dev, &dev_attr_power_method); - if (ret) - DRM_ERROR("failed to create device file for power method\n"); - if (radeon_debugfs_pm_init(rdev)) { DRM_ERROR("Failed to register debugfs file for PM!\n"); } @@ -1391,20 +1387,6 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev) goto dpm_failed; rdev->pm.dpm_enabled = true; - ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state); - if (ret) - DRM_ERROR("failed to create device file for dpm state\n"); - ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level); - if (ret) - DRM_ERROR("failed to create device file for dpm state\n"); - /* XXX: these are noops for dpm but are here for backwards compat */ - ret = device_create_file(rdev->dev, &dev_attr_power_profile); - if (ret) - DRM_ERROR("failed to create device file for power profile\n"); - ret = device_create_file(rdev->dev, &dev_attr_power_method); - if (ret) - DRM_ERROR("failed to create device file for power method\n"); - if (radeon_debugfs_pm_init(rdev)) { DRM_ERROR("Failed to register debugfs file for dpm!\n"); } @@ -1545,9 +1527,51 @@ int radeon_pm_late_init(struct radeon_device *rdev) int ret = 0; if (rdev->pm.pm_method == PM_METHOD_DPM) { - mutex_lock(&rdev->pm.mutex); - ret = radeon_dpm_late_enable(rdev); - mutex_unlock(&rdev->pm.mutex); + if (rdev->pm.dpm_enabled) { + if (!rdev->pm.sysfs_initialized) { + ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state); + if (ret) + DRM_ERROR("failed to create device file for dpm state\n"); + ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level); + if (ret) + DRM_ERROR("failed to create device file for dpm state\n"); + /* XXX: these are noops for dpm but are here for backwards compat */ + ret = device_create_file(rdev->dev, &dev_attr_power_profile); + if (ret) + DRM_ERROR("failed to create device file for power profile\n"); + ret = device_create_file(rdev->dev, &dev_attr_power_method); + if (ret) + DRM_ERROR("failed to create device file for power method\n"); + if (!ret) + rdev->pm.sysfs_initialized = true; + } + + mutex_lock(&rdev->pm.mutex); + ret = radeon_dpm_late_enable(rdev); + mutex_unlock(&rdev->pm.mutex); + if (ret) { + rdev->pm.dpm_enabled = false; + DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n"); + } else { + /* set the dpm state for PX since there won't be + * a modeset to call this. + */ + radeon_pm_compute_clocks(rdev); + } + } + } else { + if ((rdev->pm.num_power_states > 1) && + (!rdev->pm.sysfs_initialized)) { + /* where's the best place to put these? */ + ret = device_create_file(rdev->dev, &dev_attr_power_profile); + if (ret) + DRM_ERROR("failed to create device file for power profile\n"); + ret = device_create_file(rdev->dev, &dev_attr_power_method); + if (ret) + DRM_ERROR("failed to create device file for power method\n"); + if (!ret) + rdev->pm.sysfs_initialized = true; + } } return ret; } diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index e9115d3f67b0..e72bf46042e0 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2928,6 +2928,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = { { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x1762, 0x2015, 0, 120000 }, + { PCI_VENDOR_ID_ATI, 0x6811, 0x1043, 0x2015, 0, 120000 }, { 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/virtio/virtgpu_debugfs.c b/drivers/gpu/drm/virtio/virtgpu_debugfs.c index db8b49101a8b..512263919282 100644 --- a/drivers/gpu/drm/virtio/virtgpu_debugfs.c +++ b/drivers/gpu/drm/virtio/virtgpu_debugfs.c @@ -34,8 +34,8 @@ virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct virtio_gpu_device *vgdev = node->minor->dev->dev_private; - seq_printf(m, "fence %ld %lld\n", - atomic64_read(&vgdev->fence_drv.last_seq), + seq_printf(m, "fence %llu %lld\n", + (u64)atomic64_read(&vgdev->fence_drv.last_seq), vgdev->fence_drv.sync_seq); return 0; } diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c b/drivers/gpu/drm/virtio/virtgpu_fence.c index 1da632631dac..67097c9ce9c1 100644 --- a/drivers/gpu/drm/virtio/virtgpu_fence.c +++ b/drivers/gpu/drm/virtio/virtgpu_fence.c @@ -61,7 +61,7 @@ static void virtio_timeline_value_str(struct fence *f, char *str, int size) { struct virtio_gpu_fence *fence = to_virtio_fence(f); - snprintf(str, size, "%lu", atomic64_read(&fence->drv->last_seq)); + snprintf(str, size, "%llu", (u64)atomic64_read(&fence->drv->last_seq)); } static const struct fence_ops virtio_fence_ops = { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c index 5ae8f921da2a..6377e8151000 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c @@ -415,16 +415,16 @@ static void vmw_cmdbuf_ctx_process(struct vmw_cmdbuf_man *man, * * Calls vmw_cmdbuf_ctx_process() on all contexts. If any context has * command buffers left that are not submitted to hardware, Make sure - * IRQ handling is turned on. Otherwise, make sure it's turned off. This - * function may return -EAGAIN to indicate it should be rerun due to - * possibly missed IRQs if IRQs has just been turned on. + * IRQ handling is turned on. Otherwise, make sure it's turned off. */ -static int vmw_cmdbuf_man_process(struct vmw_cmdbuf_man *man) +static void vmw_cmdbuf_man_process(struct vmw_cmdbuf_man *man) { - int notempty = 0; + int notempty; struct vmw_cmdbuf_context *ctx; int i; +retry: + notempty = 0; for_each_cmdbuf_ctx(man, i, ctx) vmw_cmdbuf_ctx_process(man, ctx, ¬empty); @@ -440,10 +440,8 @@ static int vmw_cmdbuf_man_process(struct vmw_cmdbuf_man *man) man->irq_on = true; /* Rerun in case we just missed an irq. */ - return -EAGAIN; + goto retry; } - - return 0; } /** @@ -468,8 +466,7 @@ static void vmw_cmdbuf_ctx_add(struct vmw_cmdbuf_man *man, header->cb_context = cb_context; list_add_tail(&header->list, &man->ctx[cb_context].submitted); - if (vmw_cmdbuf_man_process(man) == -EAGAIN) - vmw_cmdbuf_man_process(man); + vmw_cmdbuf_man_process(man); } /** @@ -488,8 +485,7 @@ static void vmw_cmdbuf_man_tasklet(unsigned long data) struct vmw_cmdbuf_man *man = (struct vmw_cmdbuf_man *) data; spin_lock(&man->lock); - if (vmw_cmdbuf_man_process(man) == -EAGAIN) - (void) vmw_cmdbuf_man_process(man); + vmw_cmdbuf_man_process(man); spin_unlock(&man->lock); } @@ -507,6 +503,7 @@ static void vmw_cmdbuf_work_func(struct work_struct *work) struct vmw_cmdbuf_man *man = container_of(work, struct vmw_cmdbuf_man, work); struct vmw_cmdbuf_header *entry, *next; + uint32_t dummy; bool restart = false; spin_lock_bh(&man->lock); @@ -523,6 +520,8 @@ static void vmw_cmdbuf_work_func(struct work_struct *work) if (restart && vmw_cmdbuf_startstop(man, true)) DRM_ERROR("Failed restarting command buffer context 0.\n"); + /* Send a new fence in case one was removed */ + vmw_fifo_send_fence(man->dev_priv, &dummy); } /** @@ -681,6 +680,14 @@ static bool vmw_cmdbuf_try_alloc(struct vmw_cmdbuf_man *man, 0, 0, DRM_MM_SEARCH_DEFAULT, DRM_MM_CREATE_DEFAULT); + if (ret) { + vmw_cmdbuf_man_process(man); + ret = drm_mm_insert_node_generic(&man->mm, info->node, + info->page_size, 0, 0, + DRM_MM_SEARCH_DEFAULT, + DRM_MM_CREATE_DEFAULT); + } + spin_unlock_bh(&man->lock); info->done = !ret; @@ -1160,7 +1167,14 @@ int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, drm_mm_init(&man->mm, 0, size >> PAGE_SHIFT); man->has_pool = true; - man->default_size = default_size; + + /* + * For now, set the default size to VMW_CMDBUF_INLINE_SIZE to + * prevent deadlocks from happening when vmw_cmdbuf_space_pool() + * needs to wait for space and we block on further command + * submissions to be able to free up space. + */ + man->default_size = VMW_CMDBUF_INLINE_SIZE; DRM_INFO("Using command buffers with %s pool.\n", (man->using_mob) ? "MOB" : "DMA"); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 64b50409fa07..03f63c749c02 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -657,7 +657,8 @@ static void vmw_user_surface_base_release(struct ttm_base_object **p_base) struct vmw_resource *res = &user_srf->srf.res; *p_base = NULL; - ttm_base_object_unref(&user_srf->backup_base); + if (user_srf->backup_base) + ttm_base_object_unref(&user_srf->backup_base); vmw_resource_unreference(&res); } diff --git a/drivers/hwmon/abx500.c b/drivers/hwmon/abx500.c index 6cb89c0ebab6..1fd46859ed29 100644 --- a/drivers/hwmon/abx500.c +++ b/drivers/hwmon/abx500.c @@ -470,6 +470,7 @@ static const struct of_device_id abx500_temp_match[] = { { .compatible = "stericsson,abx500-temp" }, {}, }; +MODULE_DEVICE_TABLE(of, abx500_temp_match); #endif static struct platform_driver abx500_temp_driver = { diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index a3dae6d0082a..82de3deeb18a 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -539,6 +539,7 @@ static const struct of_device_id of_gpio_fan_match[] = { { .compatible = "gpio-fan", }, {}, }; +MODULE_DEVICE_TABLE(of, of_gpio_fan_match); #endif /* CONFIG_OF_GPIO */ static int gpio_fan_probe(struct platform_device *pdev) diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c index 2d9a712699ff..3e23003f78b0 100644 --- a/drivers/hwmon/pwm-fan.c +++ b/drivers/hwmon/pwm-fan.c @@ -323,6 +323,7 @@ static const struct of_device_id of_pwm_fan_match[] = { { .compatible = "pwm-fan", }, {}, }; +MODULE_DEVICE_TABLE(of, of_pwm_fan_match); static struct platform_driver pwm_fan_driver = { .probe = pwm_fan_probe, diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 3dd2de31a2f8..472b88285c75 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -24,6 +24,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> +#include <linux/dmi.h> #include <linux/i2c.h> #include <linux/clk.h> #include <linux/clk-provider.h> @@ -51,6 +52,22 @@ static u32 i2c_dw_get_clk_rate_khz(struct dw_i2c_dev *dev) } #ifdef CONFIG_ACPI +/* + * The HCNT/LCNT information coming from ACPI should be the most accurate + * for given platform. However, some systems get it wrong. On such systems + * we get better results by calculating those based on the input clock. + */ +static const struct dmi_system_id dw_i2c_no_acpi_params[] = { + { + .ident = "Dell Inspiron 7348", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7348"), + }, + }, + { } +}; + static void dw_i2c_acpi_params(struct platform_device *pdev, char method[], u16 *hcnt, u16 *lcnt, u32 *sda_hold) { @@ -58,6 +75,9 @@ static void dw_i2c_acpi_params(struct platform_device *pdev, char method[], acpi_handle handle = ACPI_HANDLE(&pdev->dev); union acpi_object *obj; + if (dmi_check_system(dw_i2c_no_acpi_params)) + return; + if (ACPI_FAILURE(acpi_evaluate_object(handle, method, NULL, &buf))) return; @@ -253,12 +273,6 @@ static int dw_i2c_probe(struct platform_device *pdev) adap->dev.parent = &pdev->dev; adap->dev.of_node = pdev->dev.of_node; - r = i2c_add_numbered_adapter(adap); - if (r) { - dev_err(&pdev->dev, "failure adding adapter\n"); - return r; - } - if (dev->pm_runtime_disabled) { pm_runtime_forbid(&pdev->dev); } else { @@ -268,6 +282,13 @@ static int dw_i2c_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); } + r = i2c_add_numbered_adapter(adap); + if (r) { + dev_err(&pdev->dev, "failure adding adapter\n"); + pm_runtime_disable(&pdev->dev); + return r; + } + return 0; } diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 30059c1df2a3..5801227b97ab 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -669,8 +669,6 @@ mv64xxx_i2c_can_offload(struct mv64xxx_i2c_data *drv_data) struct i2c_msg *msgs = drv_data->msgs; int num = drv_data->num_msgs; - return false; - if (!drv_data->offload_enabled) return false; diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index e814a36d9b78..6f8b446be5b0 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -600,7 +600,7 @@ static int i2c_pnx_controller_suspend(struct device *dev) { struct i2c_pnx_algo_data *alg_data = dev_get_drvdata(dev); - clk_disable(alg_data->clk); + clk_disable_unprepare(alg_data->clk); return 0; } @@ -609,7 +609,7 @@ static int i2c_pnx_controller_resume(struct device *dev) { struct i2c_pnx_algo_data *alg_data = dev_get_drvdata(dev); - return clk_enable(alg_data->clk); + return clk_prepare_enable(alg_data->clk); } static SIMPLE_DEV_PM_OPS(i2c_pnx_pm, @@ -672,7 +672,7 @@ static int i2c_pnx_probe(struct platform_device *pdev) if (IS_ERR(alg_data->ioaddr)) return PTR_ERR(alg_data->ioaddr); - ret = clk_enable(alg_data->clk); + ret = clk_prepare_enable(alg_data->clk); if (ret) return ret; @@ -726,7 +726,7 @@ static int i2c_pnx_probe(struct platform_device *pdev) return 0; out_clock: - clk_disable(alg_data->clk); + clk_disable_unprepare(alg_data->clk); return ret; } @@ -735,7 +735,7 @@ static int i2c_pnx_remove(struct platform_device *pdev) struct i2c_pnx_algo_data *alg_data = platform_get_drvdata(pdev); i2c_del_adapter(&alg_data->adapter); - clk_disable(alg_data->clk); + clk_disable_unprepare(alg_data->clk); return 0; } diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index d8361dada584..d8b5a8fee1e6 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -690,15 +690,16 @@ static int rcar_i2c_probe(struct platform_device *pdev) return ret; } + pm_runtime_enable(dev); + platform_set_drvdata(pdev, priv); + ret = i2c_add_numbered_adapter(adap); if (ret < 0) { dev_err(dev, "reg adap failed: %d\n", ret); + pm_runtime_disable(dev); return ret; } - pm_runtime_enable(dev); - platform_set_drvdata(pdev, priv); - dev_info(dev, "probed\n"); return 0; diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 50bfd8cef5f2..5df819610d52 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -1243,17 +1243,19 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) i2c->adap.nr = i2c->pdata->bus_num; i2c->adap.dev.of_node = pdev->dev.of_node; + platform_set_drvdata(pdev, i2c); + + pm_runtime_enable(&pdev->dev); + ret = i2c_add_numbered_adapter(&i2c->adap); if (ret < 0) { dev_err(&pdev->dev, "failed to add bus to i2c core\n"); + pm_runtime_disable(&pdev->dev); s3c24xx_i2c_deregister_cpufreq(i2c); clk_unprepare(i2c->clk); return ret; } - platform_set_drvdata(pdev, i2c); - - pm_runtime_enable(&pdev->dev); pm_runtime_enable(&i2c->adap.dev); dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev)); diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 5f89f1e3c2f2..a59c3111f7fb 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -694,12 +694,12 @@ static int i2c_device_probe(struct device *dev) goto err_clear_wakeup_irq; status = dev_pm_domain_attach(&client->dev, true); - if (status != -EPROBE_DEFER) { - status = driver->probe(client, i2c_match_id(driver->id_table, - client)); - if (status) - goto err_detach_pm_domain; - } + if (status == -EPROBE_DEFER) + goto err_clear_wakeup_irq; + + status = driver->probe(client, i2c_match_id(driver->id_table, client)); + if (status) + goto err_detach_pm_domain; return 0; diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 3a3738fe016b..cd4510a63375 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -620,7 +620,7 @@ static struct cpuidle_state skl_cstates[] = { .name = "C6-SKL", .desc = "MWAIT 0x20", .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED, - .exit_latency = 75, + .exit_latency = 85, .target_residency = 200, .enter = &intel_idle, .enter_freeze = intel_idle_freeze, }, @@ -636,11 +636,19 @@ static struct cpuidle_state skl_cstates[] = { .name = "C8-SKL", .desc = "MWAIT 0x40", .flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED, - .exit_latency = 174, + .exit_latency = 200, .target_residency = 800, .enter = &intel_idle, .enter_freeze = intel_idle_freeze, }, { + .name = "C9-SKL", + .desc = "MWAIT 0x50", + .flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 480, + .target_residency = 5000, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { .name = "C10-SKL", .desc = "MWAIT 0x60", .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED, diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index ff30f8806880..fb9311110424 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -149,8 +149,6 @@ #define ST_ACCEL_4_BDU_MASK 0x40 #define ST_ACCEL_4_DRDY_IRQ_ADDR 0x21 #define ST_ACCEL_4_DRDY_IRQ_INT1_MASK 0x04 -#define ST_ACCEL_4_IG1_EN_ADDR 0x21 -#define ST_ACCEL_4_IG1_EN_MASK 0x08 #define ST_ACCEL_4_MULTIREAD_BIT true /* CUSTOM VALUES FOR SENSOR 5 */ @@ -489,10 +487,6 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .drdy_irq = { .addr = ST_ACCEL_4_DRDY_IRQ_ADDR, .mask_int1 = ST_ACCEL_4_DRDY_IRQ_INT1_MASK, - .ig1 = { - .en_addr = ST_ACCEL_4_IG1_EN_ADDR, - .en_mask = ST_ACCEL_4_IG1_EN_MASK, - }, }, .multi_read_bit = ST_ACCEL_4_MULTIREAD_BIT, .bootime = 2, /* guess */ diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index ebe415f10640..0c74869a540a 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -45,13 +45,18 @@ #include <linux/types.h> #include <linux/gfp.h> #include <linux/err.h> +#include <linux/regulator/consumer.h> #include <linux/iio/iio.h> +#define TWL4030_USB_SEL_MADC_MCPC (1<<3) +#define TWL4030_USB_CARKIT_ANA_CTRL 0xBB + /** * struct twl4030_madc_data - a container for madc info * @dev: Pointer to device structure for madc * @lock: Mutex protecting this data structure + * @regulator: Pointer to bias regulator for madc * @requests: Array of request struct corresponding to SW1, SW2 and RT * @use_second_irq: IRQ selection (main or co-processor) * @imr: Interrupt mask register of MADC @@ -60,6 +65,7 @@ struct twl4030_madc_data { struct device *dev; struct mutex lock; /* mutex protecting this data structure */ + struct regulator *usb3v1; struct twl4030_madc_request requests[TWL4030_MADC_NUM_METHODS]; bool use_second_irq; u8 imr; @@ -841,6 +847,32 @@ static int twl4030_madc_probe(struct platform_device *pdev) } twl4030_madc = madc; + /* Configure MADC[3:6] */ + ret = twl_i2c_read_u8(TWL_MODULE_USB, ®val, + TWL4030_USB_CARKIT_ANA_CTRL); + if (ret) { + dev_err(&pdev->dev, "unable to read reg CARKIT_ANA_CTRL 0x%X\n", + TWL4030_USB_CARKIT_ANA_CTRL); + goto err_i2c; + } + regval |= TWL4030_USB_SEL_MADC_MCPC; + ret = twl_i2c_write_u8(TWL_MODULE_USB, regval, + TWL4030_USB_CARKIT_ANA_CTRL); + if (ret) { + dev_err(&pdev->dev, "unable to write reg CARKIT_ANA_CTRL 0x%X\n", + TWL4030_USB_CARKIT_ANA_CTRL); + goto err_i2c; + } + + /* Enable 3v1 bias regulator for MADC[3:6] */ + madc->usb3v1 = devm_regulator_get(madc->dev, "vusb3v1"); + if (IS_ERR(madc->usb3v1)) + return -ENODEV; + + ret = regulator_enable(madc->usb3v1); + if (ret) + dev_err(madc->dev, "could not enable 3v1 bias regulator\n"); + ret = iio_device_register(iio_dev); if (ret) { dev_err(&pdev->dev, "could not register iio device\n"); @@ -866,6 +898,8 @@ static int twl4030_madc_remove(struct platform_device *pdev) twl4030_madc_set_current_generator(madc, 0, 0); twl4030_madc_set_power(madc, 0); + regulator_disable(madc->usb3v1); + return 0; } diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index 8f66c67ff0df..87471ef37198 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -508,12 +508,12 @@ void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port, memset(&gid_attr, 0, sizeof(gid_attr)); gid_attr.ndev = ndev; + mutex_lock(&table->lock); ix = find_gid(table, NULL, NULL, true, GID_ATTR_FIND_MASK_DEFAULT); /* Coudn't find default GID location */ WARN_ON(ix < 0); - mutex_lock(&table->lock); if (!__ib_cache_gid_get(ib_dev, port, ix, ¤t_gid, ¤t_gid_attr) && mode == IB_CACHE_GID_DEFAULT_MODE_SET && diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index ea4db9c1d44f..4f918b929eca 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -835,6 +835,11 @@ retest: case IB_CM_SIDR_REQ_RCVD: spin_unlock_irq(&cm_id_priv->lock); cm_reject_sidr_req(cm_id_priv, IB_SIDR_REJECT); + spin_lock_irq(&cm.lock); + if (!RB_EMPTY_NODE(&cm_id_priv->sidr_id_node)) + rb_erase(&cm_id_priv->sidr_id_node, + &cm.remote_sidr_table); + spin_unlock_irq(&cm.lock); break; case IB_CM_REQ_SENT: case IB_CM_MRA_REQ_RCVD: @@ -3172,7 +3177,10 @@ int ib_send_cm_sidr_rep(struct ib_cm_id *cm_id, spin_unlock_irqrestore(&cm_id_priv->lock, flags); spin_lock_irqsave(&cm.lock, flags); - rb_erase(&cm_id_priv->sidr_id_node, &cm.remote_sidr_table); + if (!RB_EMPTY_NODE(&cm_id_priv->sidr_id_node)) { + rb_erase(&cm_id_priv->sidr_id_node, &cm.remote_sidr_table); + RB_CLEAR_NODE(&cm_id_priv->sidr_id_node); + } spin_unlock_irqrestore(&cm.lock, flags); return 0; diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index b1ab13f3e182..36b12d560e17 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1067,14 +1067,14 @@ static int cma_save_req_info(const struct ib_cm_event *ib_event, sizeof(req->local_gid)); req->has_gid = true; req->service_id = req_param->primary_path->service_id; - req->pkey = req_param->bth_pkey; + req->pkey = be16_to_cpu(req_param->primary_path->pkey); break; case IB_CM_SIDR_REQ_RECEIVED: req->device = sidr_param->listen_id->device; req->port = sidr_param->port; req->has_gid = false; req->service_id = sidr_param->service_id; - req->pkey = sidr_param->bth_pkey; + req->pkey = sidr_param->pkey; break; default: return -EINVAL; @@ -1232,14 +1232,32 @@ static bool cma_match_private_data(struct rdma_id_private *id_priv, return true; } +static bool cma_protocol_roce_dev_port(struct ib_device *device, int port_num) +{ + enum rdma_link_layer ll = rdma_port_get_link_layer(device, port_num); + enum rdma_transport_type transport = + rdma_node_get_transport(device->node_type); + + return ll == IB_LINK_LAYER_ETHERNET && transport == RDMA_TRANSPORT_IB; +} + +static bool cma_protocol_roce(const struct rdma_cm_id *id) +{ + struct ib_device *device = id->device; + const int port_num = id->port_num ?: rdma_start_port(device); + + return cma_protocol_roce_dev_port(device, port_num); +} + static bool cma_match_net_dev(const struct rdma_id_private *id_priv, const struct net_device *net_dev) { const struct rdma_addr *addr = &id_priv->id.route.addr; if (!net_dev) - /* This request is an AF_IB request */ - return addr->src_addr.ss_family == AF_IB; + /* This request is an AF_IB request or a RoCE request */ + return addr->src_addr.ss_family == AF_IB || + cma_protocol_roce(&id_priv->id); return !addr->dev_addr.bound_dev_if || (net_eq(dev_net(net_dev), &init_net) && @@ -1294,6 +1312,10 @@ static struct rdma_id_private *cma_id_from_event(struct ib_cm_id *cm_id, if (PTR_ERR(*net_dev) == -EAFNOSUPPORT) { /* Assuming the protocol is AF_IB */ *net_dev = NULL; + } else if (cma_protocol_roce_dev_port(req.device, req.port)) { + /* TODO find the net dev matching the request parameters + * through the RoCE GID table */ + *net_dev = NULL; } else { return ERR_CAST(*net_dev); } @@ -1302,7 +1324,7 @@ static struct rdma_id_private *cma_id_from_event(struct ib_cm_id *cm_id, bind_list = cma_ps_find(rdma_ps_from_service_id(req.service_id), cma_port_from_service_id(req.service_id)); id_priv = cma_find_listener(bind_list, cm_id, ib_event, &req, *net_dev); - if (IS_ERR(id_priv)) { + if (IS_ERR(id_priv) && *net_dev) { dev_put(*net_dev); *net_dev = NULL; } @@ -1593,11 +1615,16 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id, if (ret) goto err; } else { - /* An AF_IB connection */ - WARN_ON_ONCE(ss_family != AF_IB); - - cma_translate_ib((struct sockaddr_ib *)cma_src_addr(id_priv), - &rt->addr.dev_addr); + if (!cma_protocol_roce(listen_id) && + cma_any_addr(cma_src_addr(id_priv))) { + rt->addr.dev_addr.dev_type = ARPHRD_INFINIBAND; + rdma_addr_set_sgid(&rt->addr.dev_addr, &rt->path_rec[0].sgid); + ib_addr_set_pkey(&rt->addr.dev_addr, be16_to_cpu(rt->path_rec[0].pkey)); + } else if (!cma_any_addr(cma_src_addr(id_priv))) { + ret = cma_translate_addr(cma_src_addr(id_priv), &rt->addr.dev_addr); + if (ret) + goto err; + } } rdma_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid); @@ -1635,13 +1662,12 @@ static struct rdma_id_private *cma_new_udp_id(struct rdma_cm_id *listen_id, if (ret) goto err; } else { - /* An AF_IB connection */ - WARN_ON_ONCE(ss_family != AF_IB); - - if (!cma_any_addr(cma_src_addr(id_priv))) - cma_translate_ib((struct sockaddr_ib *) - cma_src_addr(id_priv), - &id->route.addr.dev_addr); + if (!cma_any_addr(cma_src_addr(id_priv))) { + ret = cma_translate_addr(cma_src_addr(id_priv), + &id->route.addr.dev_addr); + if (ret) + goto err; + } } id_priv->state = RDMA_CM_CONNECT; diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c index 6b24cba1e474..178f98482e13 100644 --- a/drivers/infiniband/core/roce_gid_mgmt.c +++ b/drivers/infiniband/core/roce_gid_mgmt.c @@ -250,25 +250,44 @@ static void enum_netdev_ipv4_ips(struct ib_device *ib_dev, u8 port, struct net_device *ndev) { struct in_device *in_dev; + struct sin_list { + struct list_head list; + struct sockaddr_in ip; + }; + struct sin_list *sin_iter; + struct sin_list *sin_temp; + LIST_HEAD(sin_list); if (ndev->reg_state >= NETREG_UNREGISTERING) return; - in_dev = in_dev_get(ndev); - if (!in_dev) + rcu_read_lock(); + in_dev = __in_dev_get_rcu(ndev); + if (!in_dev) { + rcu_read_unlock(); return; + } for_ifa(in_dev) { - struct sockaddr_in ip; + struct sin_list *entry = kzalloc(sizeof(*entry), GFP_ATOMIC); - ip.sin_family = AF_INET; - ip.sin_addr.s_addr = ifa->ifa_address; - update_gid_ip(GID_ADD, ib_dev, port, ndev, - (struct sockaddr *)&ip); + if (!entry) { + pr_warn("roce_gid_mgmt: couldn't allocate entry for IPv4 update\n"); + continue; + } + entry->ip.sin_family = AF_INET; + entry->ip.sin_addr.s_addr = ifa->ifa_address; + list_add_tail(&entry->list, &sin_list); } endfor_ifa(in_dev); + rcu_read_unlock(); - in_dev_put(in_dev); + list_for_each_entry_safe(sin_iter, sin_temp, &sin_list, list) { + update_gid_ip(GID_ADD, ib_dev, port, ndev, + (struct sockaddr *)&sin_iter->ip); + list_del(&sin_iter->list); + kfree(sin_iter); + } } static void enum_netdev_ipv6_ips(struct ib_device *ib_dev, diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index a53fc9b01c69..30467d10df91 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1624,11 +1624,16 @@ static int ucma_open(struct inode *inode, struct file *filp) if (!file) return -ENOMEM; + file->close_wq = create_singlethread_workqueue("ucma_close_id"); + if (!file->close_wq) { + kfree(file); + return -ENOMEM; + } + INIT_LIST_HEAD(&file->event_list); INIT_LIST_HEAD(&file->ctx_list); init_waitqueue_head(&file->poll_wait); mutex_init(&file->mut); - file->close_wq = create_singlethread_workqueue("ucma_close_id"); filp->private_data = file; file->filp = filp; diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 41d6911e244e..f1ccd40beae9 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -245,7 +245,6 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; if (MLX5_CAP_GEN(mdev, apm)) props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; - props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; if (MLX5_CAP_GEN(mdev, xrc)) props->device_cap_flags |= IB_DEVICE_XRC; props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; @@ -795,53 +794,6 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vm return 0; } -static int alloc_pa_mkey(struct mlx5_ib_dev *dev, u32 *key, u32 pdn) -{ - struct mlx5_create_mkey_mbox_in *in; - struct mlx5_mkey_seg *seg; - struct mlx5_core_mr mr; - int err; - - in = kzalloc(sizeof(*in), GFP_KERNEL); - if (!in) - return -ENOMEM; - - seg = &in->seg; - seg->flags = MLX5_PERM_LOCAL_READ | MLX5_ACCESS_MODE_PA; - seg->flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64); - seg->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); - seg->start_addr = 0; - - err = mlx5_core_create_mkey(dev->mdev, &mr, in, sizeof(*in), - NULL, NULL, NULL); - if (err) { - mlx5_ib_warn(dev, "failed to create mkey, %d\n", err); - goto err_in; - } - - kfree(in); - *key = mr.key; - - return 0; - -err_in: - kfree(in); - - return err; -} - -static void free_pa_mkey(struct mlx5_ib_dev *dev, u32 key) -{ - struct mlx5_core_mr mr; - int err; - - memset(&mr, 0, sizeof(mr)); - mr.key = key; - err = mlx5_core_destroy_mkey(dev->mdev, &mr); - if (err) - mlx5_ib_warn(dev, "failed to destroy mkey 0x%x\n", key); -} - static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev, struct ib_ucontext *context, struct ib_udata *udata) @@ -867,13 +819,6 @@ static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev, kfree(pd); return ERR_PTR(-EFAULT); } - } else { - err = alloc_pa_mkey(to_mdev(ibdev), &pd->pa_lkey, pd->pdn); - if (err) { - mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn); - kfree(pd); - return ERR_PTR(err); - } } return &pd->ibpd; @@ -884,9 +829,6 @@ static int mlx5_ib_dealloc_pd(struct ib_pd *pd) struct mlx5_ib_dev *mdev = to_mdev(pd->device); struct mlx5_ib_pd *mpd = to_mpd(pd); - if (!pd->uobject) - free_pa_mkey(mdev, mpd->pa_lkey); - mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn); kfree(mpd); @@ -1245,18 +1187,10 @@ static int create_dev_resources(struct mlx5_ib_resources *devr) struct ib_srq_init_attr attr; struct mlx5_ib_dev *dev; struct ib_cq_init_attr cq_attr = {.cqe = 1}; - u32 rsvd_lkey; int ret = 0; dev = container_of(devr, struct mlx5_ib_dev, devr); - ret = mlx5_core_query_special_context(dev->mdev, &rsvd_lkey); - if (ret) { - pr_err("Failed to query special context %d\n", ret); - return ret; - } - dev->ib_dev.local_dma_lkey = rsvd_lkey; - devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL); if (IS_ERR(devr->p0)) { ret = PTR_ERR(devr->p0); @@ -1418,6 +1352,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) strlcpy(dev->ib_dev.name, "mlx5_%d", IB_DEVICE_NAME_MAX); dev->ib_dev.owner = THIS_MODULE; dev->ib_dev.node_type = RDMA_NODE_IB_CA; + dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; dev->num_ports = MLX5_CAP_GEN(mdev, num_ports); dev->ib_dev.phys_port_cnt = dev->num_ports; dev->ib_dev.num_comp_vectors = diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index bb8cda79e881..22123b79d550 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -103,7 +103,6 @@ static inline struct mlx5_ib_ucontext *to_mucontext(struct ib_ucontext *ibuconte struct mlx5_ib_pd { struct ib_pd ibpd; u32 pdn; - u32 pa_lkey; }; /* Use macros here so that don't have to duplicate @@ -213,7 +212,6 @@ struct mlx5_ib_qp { int uuarn; int create_type; - u32 pa_lkey; /* Store signature errors */ bool signature_en; diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index c745c6c5e10d..6f521a3418e8 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -925,8 +925,6 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, err = create_kernel_qp(dev, init_attr, qp, &in, &inlen); if (err) mlx5_ib_dbg(dev, "err %d\n", err); - else - qp->pa_lkey = to_mpd(pd)->pa_lkey; } if (err) @@ -2045,7 +2043,7 @@ static void set_frwr_pages(struct mlx5_wqe_data_seg *dseg, mfrpl->mapped_page_list[i] = cpu_to_be64(page_list[i] | perm); dseg->addr = cpu_to_be64(mfrpl->map); dseg->byte_count = cpu_to_be32(ALIGN(sizeof(u64) * wr->wr.fast_reg.page_list_len, 64)); - dseg->lkey = cpu_to_be32(pd->pa_lkey); + dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); } static __be32 send_ieth(struct ib_send_wr *wr) diff --git a/drivers/infiniband/hw/usnic/usnic.h b/drivers/infiniband/hw/usnic/usnic.h index 5be13d8991bc..f903502d3883 100644 --- a/drivers/infiniband/hw/usnic/usnic.h +++ b/drivers/infiniband/hw/usnic/usnic.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_abi.h b/drivers/infiniband/hw/usnic/usnic_abi.h index 04a66229584e..7fe9502ce8d3 100644 --- a/drivers/infiniband/hw/usnic/usnic_abi.h +++ b/drivers/infiniband/hw/usnic/usnic_abi.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h b/drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h index 393567266142..596e0ed49a8e 100644 --- a/drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h +++ b/drivers/infiniband/hw/usnic/usnic_common_pkt_hdr.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_common_util.h b/drivers/infiniband/hw/usnic/usnic_common_util.h index 9d737ed5e55d..b54986de5f0c 100644 --- a/drivers/infiniband/hw/usnic/usnic_common_util.h +++ b/drivers/infiniband/hw/usnic/usnic_common_util.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_debugfs.c b/drivers/infiniband/hw/usnic/usnic_debugfs.c index 5d13860161a4..5e55b8bc6fe4 100644 --- a/drivers/infiniband/hw/usnic/usnic_debugfs.c +++ b/drivers/infiniband/hw/usnic/usnic_debugfs.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_debugfs.h b/drivers/infiniband/hw/usnic/usnic_debugfs.h index 4087d24a88f6..98453e91daa6 100644 --- a/drivers/infiniband/hw/usnic/usnic_debugfs.h +++ b/drivers/infiniband/hw/usnic/usnic_debugfs.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_fwd.c b/drivers/infiniband/hw/usnic/usnic_fwd.c index e3c9bd9d3ba3..3c37dd59c04e 100644 --- a/drivers/infiniband/hw/usnic/usnic_fwd.c +++ b/drivers/infiniband/hw/usnic/usnic_fwd.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_fwd.h b/drivers/infiniband/hw/usnic/usnic_fwd.h index 93713a2230b3..3a8add9ddf46 100644 --- a/drivers/infiniband/hw/usnic/usnic_fwd.h +++ b/drivers/infiniband/hw/usnic/usnic_fwd.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_ib.h b/drivers/infiniband/hw/usnic/usnic_ib.h index e5a9297dd1bd..525bf272671e 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib.h +++ b/drivers/infiniband/hw/usnic/usnic_ib.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c index 34c49b8105fe..0c15bd885035 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_main.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c index db3588df3546..85dc3f989ff7 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h index b0aafe8db0c3..b1458be1d402 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h +++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c b/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c index 27dc67c1689f..3412ea06116e 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_ib_sysfs.h b/drivers/infiniband/hw/usnic/usnic_ib_sysfs.h index 0d09b493cd02..3d98e16cfeaf 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_sysfs.h +++ b/drivers/infiniband/hw/usnic/usnic_ib_sysfs.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 7df43827cb29..f8e3211689a3 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h index 0bd04efa16f3..414eaa566bd9 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_log.h b/drivers/infiniband/hw/usnic/usnic_log.h index 75777a66c684..183fcb6a952f 100644 --- a/drivers/infiniband/hw/usnic/usnic_log.h +++ b/drivers/infiniband/hw/usnic/usnic_log.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_transport.c b/drivers/infiniband/hw/usnic/usnic_transport.c index ddef6f77a78c..de318389a301 100644 --- a/drivers/infiniband/hw/usnic/usnic_transport.c +++ b/drivers/infiniband/hw/usnic/usnic_transport.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_transport.h b/drivers/infiniband/hw/usnic/usnic_transport.h index 7e5dc6d9f462..9a7a2d9755c0 100644 --- a/drivers/infiniband/hw/usnic/usnic_transport.h +++ b/drivers/infiniband/hw/usnic/usnic_transport.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c index cb2337f0532b..645a5f6e6c88 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom.c +++ b/drivers/infiniband/hw/usnic/usnic_uiom.c @@ -7,7 +7,7 @@ * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: + * BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.h b/drivers/infiniband/hw/usnic/usnic_uiom.h index 70440996e8f2..45ca7c1613a7 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom.h +++ b/drivers/infiniband/hw/usnic/usnic_uiom.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c b/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c index 3a4288e0fbac..42b4b4c4e452 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c +++ b/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2014, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h b/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h index d4f752e258fd..c0b0b876ab90 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h +++ b/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_vnic.c b/drivers/infiniband/hw/usnic/usnic_vnic.c index 656b88c39eda..66de93fb8ea9 100644 --- a/drivers/infiniband/hw/usnic/usnic_vnic.c +++ b/drivers/infiniband/hw/usnic/usnic_vnic.c @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/hw/usnic/usnic_vnic.h b/drivers/infiniband/hw/usnic/usnic_vnic.h index 14d931a8829d..a08423e478af 100644 --- a/drivers/infiniband/hw/usnic/usnic_vnic.h +++ b/drivers/infiniband/hw/usnic/usnic_vnic.h @@ -1,9 +1,24 @@ /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index ca2873698d75..edc5b8565d6d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -80,7 +80,7 @@ enum { IPOIB_NUM_WC = 4, IPOIB_MAX_PATH_REC_QUEUE = 3, - IPOIB_MAX_MCAST_QUEUE = 3, + IPOIB_MAX_MCAST_QUEUE = 64, IPOIB_FLAG_OPER_UP = 0, IPOIB_FLAG_INITIALIZED = 1, @@ -495,6 +495,7 @@ void ipoib_dev_cleanup(struct net_device *dev); void ipoib_mcast_join_task(struct work_struct *work); void ipoib_mcast_carrier_on_task(struct work_struct *work); void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb); +void ipoib_mcast_free(struct ipoib_mcast *mc); void ipoib_mcast_restart_task(struct work_struct *work); int ipoib_mcast_start_thread(struct net_device *dev); @@ -548,6 +549,8 @@ void ipoib_path_iter_read(struct ipoib_path_iter *iter, int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid, int set_qkey); +int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast); +struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid); int ipoib_init_qp(struct net_device *dev); int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 36536ce5a3e2..babba05d7a0e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1149,6 +1149,9 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv) unsigned long dt; unsigned long flags; int i; + LIST_HEAD(remove_list); + struct ipoib_mcast *mcast, *tmcast; + struct net_device *dev = priv->dev; if (test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags)) return; @@ -1176,6 +1179,19 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv) lockdep_is_held(&priv->lock))) != NULL) { /* was the neigh idle for two GC periods */ if (time_after(neigh_obsolete, neigh->alive)) { + u8 *mgid = neigh->daddr + 4; + + /* Is this multicast ? */ + if (*mgid == 0xff) { + mcast = __ipoib_mcast_find(dev, mgid); + + if (mcast && test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) { + list_del(&mcast->list); + rb_erase(&mcast->rb_node, &priv->multicast_tree); + list_add_tail(&mcast->list, &remove_list); + } + } + rcu_assign_pointer(*np, rcu_dereference_protected(neigh->hnext, lockdep_is_held(&priv->lock))); @@ -1191,6 +1207,10 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv) out_unlock: spin_unlock_irqrestore(&priv->lock, flags); + list_for_each_entry_safe(mcast, tmcast, &remove_list, list) { + ipoib_mcast_leave(dev, mcast); + ipoib_mcast_free(mcast); + } } static void ipoib_reap_neigh(struct work_struct *work) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 09a1748f9d13..d750a86042f3 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -106,7 +106,7 @@ static void __ipoib_mcast_schedule_join_thread(struct ipoib_dev_priv *priv, queue_delayed_work(priv->wq, &priv->mcast_task, 0); } -static void ipoib_mcast_free(struct ipoib_mcast *mcast) +void ipoib_mcast_free(struct ipoib_mcast *mcast) { struct net_device *dev = mcast->dev; int tx_dropped = 0; @@ -153,7 +153,7 @@ static struct ipoib_mcast *ipoib_mcast_alloc(struct net_device *dev, return mcast; } -static struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid) +struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct rb_node *n = priv->multicast_tree.rb_node; @@ -508,17 +508,19 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast) rec.hop_limit = priv->broadcast->mcmember.hop_limit; /* - * Historically Linux IPoIB has never properly supported SEND - * ONLY join. It emulated it by not providing all the required - * attributes, which is enough to prevent group creation and - * detect if there are full members or not. A major problem - * with supporting SEND ONLY is detecting when the group is - * auto-destroyed as IPoIB will cache the MLID.. + * Send-only IB Multicast joins do not work at the core + * IB layer yet, so we can't use them here. However, + * we are emulating an Ethernet multicast send, which + * does not require a multicast subscription and will + * still send properly. The most appropriate thing to + * do is to create the group if it doesn't exist as that + * most closely emulates the behavior, from a user space + * application perspecitive, of Ethernet multicast + * operation. For now, we do a full join, maybe later + * when the core IB layers support send only joins we + * will use them. */ -#if 1 - if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) - comp_mask &= ~IB_SA_MCMEMBER_REC_TRAFFIC_CLASS; -#else +#if 0 if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) rec.join_state = 4; #endif @@ -675,7 +677,7 @@ int ipoib_mcast_stop_thread(struct net_device *dev) return 0; } -static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast) +int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast) { struct ipoib_dev_priv *priv = netdev_priv(dev); int ret = 0; diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 1ace5d83a4d7..f58ff96b6cbb 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -97,6 +97,11 @@ unsigned int iser_max_sectors = ISER_DEF_MAX_SECTORS; module_param_named(max_sectors, iser_max_sectors, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(max_sectors, "Max number of sectors in a single scsi command (default:1024"); +bool iser_always_reg = true; +module_param_named(always_register, iser_always_reg, bool, S_IRUGO); +MODULE_PARM_DESC(always_register, + "Always register memory, even for continuous memory regions (default:true)"); + bool iser_pi_enable = false; module_param_named(pi_enable, iser_pi_enable, bool, S_IRUGO); MODULE_PARM_DESC(pi_enable, "Enable T10-PI offload support (default:disabled)"); diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 86f6583485ef..a5edd6ede692 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -611,6 +611,7 @@ extern int iser_debug_level; extern bool iser_pi_enable; extern int iser_pi_guard; extern unsigned int iser_max_sectors; +extern bool iser_always_reg; int iser_assign_reg_ops(struct iser_device *device); diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index 2493cc748db8..4c46d67d37a1 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -803,11 +803,12 @@ static int iser_reg_prot_sg(struct iscsi_iser_task *task, struct iser_data_buf *mem, struct iser_fr_desc *desc, + bool use_dma_key, struct iser_mem_reg *reg) { struct iser_device *device = task->iser_conn->ib_conn.device; - if (mem->dma_nents == 1) + if (use_dma_key) return iser_reg_dma(device, mem, reg); return device->reg_ops->reg_mem(task, mem, &desc->pi_ctx->rsc, reg); @@ -817,11 +818,12 @@ static int iser_reg_data_sg(struct iscsi_iser_task *task, struct iser_data_buf *mem, struct iser_fr_desc *desc, + bool use_dma_key, struct iser_mem_reg *reg) { struct iser_device *device = task->iser_conn->ib_conn.device; - if (mem->dma_nents == 1) + if (use_dma_key) return iser_reg_dma(device, mem, reg); return device->reg_ops->reg_mem(task, mem, &desc->rsc, reg); @@ -836,14 +838,17 @@ int iser_reg_rdma_mem(struct iscsi_iser_task *task, struct iser_mem_reg *reg = &task->rdma_reg[dir]; struct iser_mem_reg *data_reg; struct iser_fr_desc *desc = NULL; + bool use_dma_key; int err; err = iser_handle_unaligned_buf(task, mem, dir); if (unlikely(err)) return err; - if (mem->dma_nents != 1 || - scsi_get_prot_op(task->sc) != SCSI_PROT_NORMAL) { + use_dma_key = (mem->dma_nents == 1 && !iser_always_reg && + scsi_get_prot_op(task->sc) == SCSI_PROT_NORMAL); + + if (!use_dma_key) { desc = device->reg_ops->reg_desc_get(ib_conn); reg->mem_h = desc; } @@ -853,7 +858,7 @@ int iser_reg_rdma_mem(struct iscsi_iser_task *task, else data_reg = &task->desc.data_reg; - err = iser_reg_data_sg(task, mem, desc, data_reg); + err = iser_reg_data_sg(task, mem, desc, use_dma_key, data_reg); if (unlikely(err)) goto err_reg; @@ -866,7 +871,8 @@ int iser_reg_rdma_mem(struct iscsi_iser_task *task, if (unlikely(err)) goto err_reg; - err = iser_reg_prot_sg(task, mem, desc, prot_reg); + err = iser_reg_prot_sg(task, mem, desc, + use_dma_key, prot_reg); if (unlikely(err)) goto err_reg; } diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index ae70cc1463ac..85132d867bc8 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -133,11 +133,15 @@ static int iser_create_device_ib_res(struct iser_device *device) (unsigned long)comp); } - device->mr = ib_get_dma_mr(device->pd, IB_ACCESS_LOCAL_WRITE | - IB_ACCESS_REMOTE_WRITE | - IB_ACCESS_REMOTE_READ); - if (IS_ERR(device->mr)) - goto dma_mr_err; + if (!iser_always_reg) { + int access = IB_ACCESS_LOCAL_WRITE | + IB_ACCESS_REMOTE_WRITE | + IB_ACCESS_REMOTE_READ; + + device->mr = ib_get_dma_mr(device->pd, access); + if (IS_ERR(device->mr)) + goto dma_mr_err; + } INIT_IB_EVENT_HANDLER(&device->event_handler, device->ib_device, iser_event_handler); @@ -147,7 +151,8 @@ static int iser_create_device_ib_res(struct iser_device *device) return 0; handler_err: - ib_dereg_mr(device->mr); + if (device->mr) + ib_dereg_mr(device->mr); dma_mr_err: for (i = 0; i < device->comps_used; i++) tasklet_kill(&device->comps[i].tasklet); @@ -173,7 +178,6 @@ comps_err: static void iser_free_device_ib_res(struct iser_device *device) { int i; - BUG_ON(device->mr == NULL); for (i = 0; i < device->comps_used; i++) { struct iser_comp *comp = &device->comps[i]; @@ -184,7 +188,8 @@ static void iser_free_device_ib_res(struct iser_device *device) } (void)ib_unregister_event_handler(&device->event_handler); - (void)ib_dereg_mr(device->mr); + if (device->mr) + (void)ib_dereg_mr(device->mr); ib_dealloc_pd(device->pd); kfree(device->comps); diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig index 56eb471b5576..4215b5382092 100644 --- a/drivers/input/joystick/Kconfig +++ b/drivers/input/joystick/Kconfig @@ -196,6 +196,7 @@ config JOYSTICK_TWIDJOY config JOYSTICK_ZHENHUA tristate "5-byte Zhenhua RC transmitter" select SERIO + select BITREVERSE help Say Y here if you have a Zhen Hua PPM-4CH transmitter which is supplied with a ready to fly micro electric indoor helicopters diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c index b76ac580703c..a8bc2fe170dd 100644 --- a/drivers/input/joystick/walkera0701.c +++ b/drivers/input/joystick/walkera0701.c @@ -150,7 +150,7 @@ static void walkera0701_irq_handler(void *handler_data) if (w->counter == 24) { /* full frame */ walkera0701_parse_frame(w); w->counter = NO_SYNC; - if (abs(pulse_time - SYNC_PULSE) < RESERVE) /* new frame sync */ + if (abs64(pulse_time - SYNC_PULSE) < RESERVE) /* new frame sync */ w->counter = 0; } else { if ((pulse_time > (ANALOG_MIN_PULSE - RESERVE) @@ -161,7 +161,7 @@ static void walkera0701_irq_handler(void *handler_data) } else w->counter = NO_SYNC; } - } else if (abs(pulse_time - SYNC_PULSE - BIN0_PULSE) < + } else if (abs64(pulse_time - SYNC_PULSE - BIN0_PULSE) < RESERVE + BIN1_PULSE - BIN0_PULSE) /* frame sync .. */ w->counter = 0; diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c index b052afec9a11..6639b2b8528a 100644 --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -266,7 +266,7 @@ static int omap4_keypad_probe(struct platform_device *pdev) error = omap4_keypad_parse_dt(&pdev->dev, keypad_data); if (error) - return error; + goto err_free_keypad; res = request_mem_region(res->start, resource_size(res), pdev->name); if (!res) { diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c index 867db8a91372..e317b75357a0 100644 --- a/drivers/input/misc/pm8941-pwrkey.c +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -93,7 +93,7 @@ static int pm8941_reboot_notify(struct notifier_block *nb, default: reset_type = PON_PS_HOLD_TYPE_HARD_RESET; break; - }; + } error = regmap_update_bits(pwrkey->regmap, pwrkey->baseaddr + PON_PS_HOLD_RST_CTL, diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 345df9b03aed..5adbcedcb81c 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -414,7 +414,7 @@ static int uinput_setup_device(struct uinput_device *udev, dev->id.product = user_dev->id.product; dev->id.version = user_dev->id.version; - for_each_set_bit(i, dev->absbit, ABS_CNT) { + for (i = 0; i < ABS_CNT; i++) { input_abs_set_max(dev, i, user_dev->absmax[i]); input_abs_set_min(dev, i, user_dev->absmin[i]); input_abs_set_fuzz(dev, i, user_dev->absfuzz[i]); diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 4d246861d692..41e6cb501e6a 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -100,7 +100,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = { #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with 6-byte ALPS packet */ -#define ALPS_DELL 0x100 /* device is a Dell laptop */ +#define ALPS_STICK_BITS 0x100 /* separate stick button bits */ #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ static const struct alps_model_info alps_model_data[] = { @@ -159,6 +159,43 @@ static const struct alps_protocol_info alps_v8_protocol_data = { ALPS_PROTO_V8, 0x18, 0x18, 0 }; +/* + * Some v2 models report the stick buttons in separate bits + */ +static const struct dmi_system_id alps_dmi_has_separate_stick_buttons[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Extrapolated from other entries */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D420"), + }, + }, + { + /* Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl> */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D430"), + }, + }, + { + /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D620"), + }, + }, + { + /* Extrapolated from other entries */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D630"), + }, + }, +#endif + { } +}; + static void alps_set_abs_params_st(struct alps_data *priv, struct input_dev *dev1); static void alps_set_abs_params_semi_mt(struct alps_data *priv, @@ -253,9 +290,8 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse) return; } - /* Dell non interleaved V2 dualpoint has separate stick button bits */ - if (priv->proto_version == ALPS_PROTO_V2 && - priv->flags == (ALPS_DELL | ALPS_PASS | ALPS_DUALPOINT)) { + /* Some models have separate stick button bits */ + if (priv->flags & ALPS_STICK_BITS) { left |= packet[0] & 1; right |= packet[0] & 2; middle |= packet[0] & 4; @@ -2552,8 +2588,6 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->byte0 = protocol->byte0; priv->mask0 = protocol->mask0; priv->flags = protocol->flags; - if (dmi_name_in_vendors("Dell")) - priv->flags |= ALPS_DELL; priv->x_max = 2000; priv->y_max = 1400; @@ -2568,6 +2602,8 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->set_abs_params = alps_set_abs_params_st; priv->x_max = 1023; priv->y_max = 767; + if (dmi_check_system(alps_dmi_has_separate_stick_buttons)) + priv->flags |= ALPS_STICK_BITS; break; case ALPS_PROTO_V3: diff --git a/drivers/input/mouse/cyapa_gen6.c b/drivers/input/mouse/cyapa_gen6.c index 5f191071d44a..e4eb048d1bf6 100644 --- a/drivers/input/mouse/cyapa_gen6.c +++ b/drivers/input/mouse/cyapa_gen6.c @@ -241,14 +241,10 @@ static int cyapa_gen6_read_sys_info(struct cyapa *cyapa) memcpy(&cyapa->product_id[13], &resp_data[62], 2); cyapa->product_id[15] = '\0'; + /* Get the number of Rx electrodes. */ rotat_align = resp_data[68]; - if (rotat_align) { - cyapa->electrodes_rx = cyapa->electrodes_y; - cyapa->electrodes_rx = cyapa->electrodes_y; - } else { - cyapa->electrodes_rx = cyapa->electrodes_x; - cyapa->electrodes_rx = cyapa->electrodes_y; - } + cyapa->electrodes_rx = + rotat_align ? cyapa->electrodes_y : cyapa->electrodes_x; cyapa->aligned_electrodes_rx = (cyapa->electrodes_rx + 3) & ~3u; if (!cyapa->electrodes_x || !cyapa->electrodes_y || diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h index 73670f2aebfd..c0ec26118732 100644 --- a/drivers/input/mouse/elan_i2c.h +++ b/drivers/input/mouse/elan_i2c.h @@ -60,7 +60,7 @@ struct elan_transport_ops { int (*get_sm_version)(struct i2c_client *client, u8* ic_type, u8 *version); int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum); - int (*get_product_id)(struct i2c_client *client, u8 *id); + int (*get_product_id)(struct i2c_client *client, u16 *id); int (*get_max)(struct i2c_client *client, unsigned int *max_x, unsigned int *max_y); diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index fa945304b9a5..5e1665bbaa0b 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -40,7 +40,7 @@ #include "elan_i2c.h" #define DRIVER_NAME "elan_i2c" -#define ELAN_DRIVER_VERSION "1.6.0" +#define ELAN_DRIVER_VERSION "1.6.1" #define ETP_MAX_PRESSURE 255 #define ETP_FWIDTH_REDUCE 90 #define ETP_FINGER_WIDTH 15 @@ -76,7 +76,7 @@ struct elan_tp_data { unsigned int x_res; unsigned int y_res; - u8 product_id; + u16 product_id; u8 fw_version; u8 sm_version; u8 iap_version; @@ -98,15 +98,25 @@ static int elan_get_fwinfo(u8 iap_version, u16 *validpage_count, u16 *signature_address) { switch (iap_version) { + case 0x00: + case 0x06: case 0x08: *validpage_count = 512; break; + case 0x03: + case 0x07: case 0x09: + case 0x0A: + case 0x0B: + case 0x0C: *validpage_count = 768; break; case 0x0D: *validpage_count = 896; break; + case 0x0E: + *validpage_count = 640; + break; default: /* unknown ic type clear value */ *validpage_count = 0; @@ -266,11 +276,10 @@ static int elan_query_device_info(struct elan_tp_data *data) error = elan_get_fwinfo(data->iap_version, &data->fw_validpage_count, &data->fw_signature_address); - if (error) { - dev_err(&data->client->dev, - "unknown iap version %d\n", data->iap_version); - return error; - } + if (error) + dev_warn(&data->client->dev, + "unexpected iap version %#04x (ic type: %#04x), firmware update will not work\n", + data->iap_version, data->ic_type); return 0; } @@ -486,6 +495,9 @@ static ssize_t elan_sysfs_update_fw(struct device *dev, const u8 *fw_signature; static const u8 signature[] = {0xAA, 0x55, 0xCC, 0x33, 0xFF, 0xFF}; + if (data->fw_validpage_count == 0) + return -EINVAL; + /* Look for a firmware with the product id appended. */ fw_name = kasprintf(GFP_KERNEL, ETP_FW_NAME, data->product_id); if (!fw_name) { diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c index 683c840c9dd7..a679e56c44cd 100644 --- a/drivers/input/mouse/elan_i2c_i2c.c +++ b/drivers/input/mouse/elan_i2c_i2c.c @@ -276,7 +276,7 @@ static int elan_i2c_get_sm_version(struct i2c_client *client, return 0; } -static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id) +static int elan_i2c_get_product_id(struct i2c_client *client, u16 *id) { int error; u8 val[3]; @@ -287,7 +287,7 @@ static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id) return error; } - *id = val[0]; + *id = le16_to_cpup((__le16 *)val); return 0; } diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c index ff36a366b2aa..cb6aecbc1dc2 100644 --- a/drivers/input/mouse/elan_i2c_smbus.c +++ b/drivers/input/mouse/elan_i2c_smbus.c @@ -183,7 +183,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client, return 0; } -static int elan_smbus_get_product_id(struct i2c_client *client, u8 *id) +static int elan_smbus_get_product_id(struct i2c_client *client, u16 *id) { int error; u8 val[3]; @@ -195,7 +195,7 @@ static int elan_smbus_get_product_id(struct i2c_client *client, u8 *id) return error; } - *id = val[1]; + *id = be16_to_cpup((__be16 *)val); return 0; } diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 994ae7886156..6025eb430c0a 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -519,18 +519,14 @@ static int synaptics_set_mode(struct psmouse *psmouse) struct synaptics_data *priv = psmouse->private; priv->mode = 0; - - if (priv->absolute_mode) { + if (priv->absolute_mode) priv->mode |= SYN_BIT_ABSOLUTE_MODE; - if (SYN_CAP_EXTENDED(priv->capabilities)) - priv->mode |= SYN_BIT_W_MODE; - } - - if (!SYN_MODE_WMODE(priv->mode) && priv->disable_gesture) + if (priv->disable_gesture) priv->mode |= SYN_BIT_DISABLE_GESTURE; - if (psmouse->rate >= 80) priv->mode |= SYN_BIT_HIGH_RATE; + if (SYN_CAP_EXTENDED(priv->capabilities)) + priv->mode |= SYN_BIT_W_MODE; if (synaptics_mode_cmd(psmouse, priv->mode)) return -1; diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c index 75516996db20..316f2c897101 100644 --- a/drivers/input/serio/libps2.c +++ b/drivers/input/serio/libps2.c @@ -212,12 +212,17 @@ int __ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command) * time before the ACK arrives. */ if (ps2_sendbyte(ps2dev, command & 0xff, - command == PS2_CMD_RESET_BAT ? 1000 : 200)) - goto out; + command == PS2_CMD_RESET_BAT ? 1000 : 200)) { + serio_pause_rx(ps2dev->serio); + goto out_reset_flags; + } - for (i = 0; i < send; i++) - if (ps2_sendbyte(ps2dev, param[i], 200)) - goto out; + for (i = 0; i < send; i++) { + if (ps2_sendbyte(ps2dev, param[i], 200)) { + serio_pause_rx(ps2dev->serio); + goto out_reset_flags; + } + } /* * The reset command takes a long time to execute. @@ -234,17 +239,18 @@ int __ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command) !(ps2dev->flags & PS2_FLAG_CMD), timeout); } + serio_pause_rx(ps2dev->serio); + if (param) for (i = 0; i < receive; i++) param[i] = ps2dev->cmdbuf[(receive - 1) - i]; if (ps2dev->cmdcnt && (command != PS2_CMD_RESET_BAT || ps2dev->cmdcnt != 1)) - goto out; + goto out_reset_flags; rc = 0; - out: - serio_pause_rx(ps2dev->serio); + out_reset_flags: ps2dev->flags = 0; serio_continue_rx(ps2dev->serio); diff --git a/drivers/input/serio/parkbd.c b/drivers/input/serio/parkbd.c index 26b45936f9fd..1e8cd6f1fe9e 100644 --- a/drivers/input/serio/parkbd.c +++ b/drivers/input/serio/parkbd.c @@ -194,6 +194,7 @@ static int __init parkbd_init(void) parkbd_port = parkbd_allocate_serio(); if (!parkbd_port) { parport_release(parkbd_dev); + parport_unregister_device(parkbd_dev); return -ENOMEM; } diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 600dcceff542..deb14c12ae8b 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -1006,6 +1006,7 @@ config TOUCHSCREEN_SUN4I config TOUCHSCREEN_SUR40 tristate "Samsung SUR40 (Surface 2.0/PixelSense) touchscreen" depends on USB && MEDIA_USB_SUPPORT && HAS_DMA + depends on VIDEO_V4L2 select INPUT_POLLDEV select VIDEOBUF2_DMA_SG help diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 0f5f968592bd..04edc8f7122f 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -668,18 +668,22 @@ static int ads7846_no_filter(void *ads, int data_idx, int *val) static int ads7846_get_value(struct ads7846 *ts, struct spi_message *m) { + int value; struct spi_transfer *t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list); if (ts->model == 7845) { - return be16_to_cpup((__be16 *)&(((char*)t->rx_buf)[1])) >> 3; + value = be16_to_cpup((__be16 *)&(((char *)t->rx_buf)[1])); } else { /* * adjust: on-wire is a must-ignore bit, a BE12 value, then * padding; built from two 8 bit values written msb-first. */ - return be16_to_cpup((__be16 *)t->rx_buf) >> 3; + value = be16_to_cpup((__be16 *)t->rx_buf); } + + /* enforce ADC output is 12 bits width */ + return (value >> 3) & 0xfff; } static void ads7846_update_value(struct spi_message *m, int val) diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c index ff0b75813daa..8275267eac25 100644 --- a/drivers/input/touchscreen/imx6ul_tsc.c +++ b/drivers/input/touchscreen/imx6ul_tsc.c @@ -94,7 +94,7 @@ struct imx6ul_tsc { * TSC module need ADC to get the measure value. So * before config TSC, we should initialize ADC module. */ -static void imx6ul_adc_init(struct imx6ul_tsc *tsc) +static int imx6ul_adc_init(struct imx6ul_tsc *tsc) { int adc_hc = 0; int adc_gc; @@ -122,17 +122,23 @@ static void imx6ul_adc_init(struct imx6ul_tsc *tsc) timeout = wait_for_completion_timeout (&tsc->completion, ADC_TIMEOUT); - if (timeout == 0) + if (timeout == 0) { dev_err(tsc->dev, "Timeout for adc calibration\n"); + return -ETIMEDOUT; + } adc_gs = readl(tsc->adc_regs + REG_ADC_GS); - if (adc_gs & ADC_CALF) + if (adc_gs & ADC_CALF) { dev_err(tsc->dev, "ADC calibration failed\n"); + return -EINVAL; + } /* TSC need the ADC work in hardware trigger */ adc_cfg = readl(tsc->adc_regs + REG_ADC_CFG); adc_cfg |= ADC_HARDWARE_TRIGGER; writel(adc_cfg, tsc->adc_regs + REG_ADC_CFG); + + return 0; } /* @@ -188,11 +194,17 @@ static void imx6ul_tsc_set(struct imx6ul_tsc *tsc) writel(start, tsc->tsc_regs + REG_TSC_FLOW_CONTROL); } -static void imx6ul_tsc_init(struct imx6ul_tsc *tsc) +static int imx6ul_tsc_init(struct imx6ul_tsc *tsc) { - imx6ul_adc_init(tsc); + int err; + + err = imx6ul_adc_init(tsc); + if (err) + return err; imx6ul_tsc_channel_config(tsc); imx6ul_tsc_set(tsc); + + return 0; } static void imx6ul_tsc_disable(struct imx6ul_tsc *tsc) @@ -311,9 +323,7 @@ static int imx6ul_tsc_open(struct input_dev *input_dev) return err; } - imx6ul_tsc_init(tsc); - - return 0; + return imx6ul_tsc_init(tsc); } static void imx6ul_tsc_close(struct input_dev *input_dev) @@ -337,7 +347,7 @@ static int imx6ul_tsc_probe(struct platform_device *pdev) int tsc_irq; int adc_irq; - tsc = devm_kzalloc(&pdev->dev, sizeof(struct imx6ul_tsc), GFP_KERNEL); + tsc = devm_kzalloc(&pdev->dev, sizeof(*tsc), GFP_KERNEL); if (!tsc) return -ENOMEM; @@ -345,7 +355,7 @@ static int imx6ul_tsc_probe(struct platform_device *pdev) if (!input_dev) return -ENOMEM; - input_dev->name = "iMX6UL TouchScreen Controller"; + input_dev->name = "iMX6UL Touchscreen Controller"; input_dev->id.bustype = BUS_HOST; input_dev->open = imx6ul_tsc_open; @@ -406,7 +416,7 @@ static int imx6ul_tsc_probe(struct platform_device *pdev) } adc_irq = platform_get_irq(pdev, 1); - if (adc_irq <= 0) { + if (adc_irq < 0) { dev_err(&pdev->dev, "no adc irq resource?\n"); return adc_irq; } @@ -491,7 +501,7 @@ static int __maybe_unused imx6ul_tsc_resume(struct device *dev) goto out; } - imx6ul_tsc_init(tsc); + retval = imx6ul_tsc_init(tsc); } out: diff --git a/drivers/input/touchscreen/lpc32xx_ts.c b/drivers/input/touchscreen/lpc32xx_ts.c index 24d704cd9f88..7fbb3b0c8571 100644 --- a/drivers/input/touchscreen/lpc32xx_ts.c +++ b/drivers/input/touchscreen/lpc32xx_ts.c @@ -139,14 +139,14 @@ static void lpc32xx_stop_tsc(struct lpc32xx_tsc *tsc) tsc_readl(tsc, LPC32XX_TSC_CON) & ~LPC32XX_TSC_ADCCON_AUTO_EN); - clk_disable(tsc->clk); + clk_disable_unprepare(tsc->clk); } static void lpc32xx_setup_tsc(struct lpc32xx_tsc *tsc) { u32 tmp; - clk_enable(tsc->clk); + clk_prepare_enable(tsc->clk); tmp = tsc_readl(tsc, LPC32XX_TSC_CON) & ~LPC32XX_TSC_ADCCON_POWER_UP; diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c index 7cce87650fc8..1fafc9f57af6 100644 --- a/drivers/input/touchscreen/mms114.c +++ b/drivers/input/touchscreen/mms114.c @@ -394,12 +394,12 @@ static struct mms114_platform_data *mms114_parse_dt(struct device *dev) if (of_property_read_u32(np, "x-size", &pdata->x_size)) { dev_err(dev, "failed to get x-size property\n"); return NULL; - }; + } if (of_property_read_u32(np, "y-size", &pdata->y_size)) { dev_err(dev, "failed to get y-size property\n"); return NULL; - }; + } of_property_read_u32(np, "contact-threshold", &pdata->contact_threshold); diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 4664c2a96c67..4d3385bc9112 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -23,8 +23,7 @@ config IOMMU_IO_PGTABLE config IOMMU_IO_PGTABLE_LPAE bool "ARMv7/v8 Long Descriptor Format" select IOMMU_IO_PGTABLE - # SWIOTLB guarantees a dma_to_phys() implementation - depends on ARM || ARM64 || (COMPILE_TEST && SWIOTLB) + depends on HAS_DMA && (ARM || ARM64 || COMPILE_TEST) help Enable support for the ARM long descriptor pagetable format. This allocator supports 4K/2M/1G, 16K/32M and 64K/512M page @@ -43,12 +42,19 @@ config IOMMU_IO_PGTABLE_LPAE_SELFTEST endmenu config IOMMU_IOVA - bool + tristate config OF_IOMMU def_bool y depends on OF && IOMMU_API +# IOMMU-agnostic DMA-mapping layer +config IOMMU_DMA + bool + depends on NEED_SG_DMA_LENGTH + select IOMMU_API + select IOMMU_IOVA + config FSL_PAMU bool "Freescale IOMMU support" depends on PPC32 @@ -362,6 +368,7 @@ config ARM_SMMU_V3 depends on ARM64 && PCI select IOMMU_API select IOMMU_IO_PGTABLE_LPAE + select GENERIC_MSI_IRQ_DOMAIN help Support for implementations of the ARM System MMU architecture version 3 providing translation support to a PCIe root complex. @@ -369,4 +376,11 @@ config ARM_SMMU_V3 Say Y here if your system includes an IOMMU device implementing the ARM SMMUv3 architecture. +config S390_IOMMU + def_bool y if S390 && PCI + depends on S390 && PCI + select IOMMU_API + help + Support for the IOMMU API for s390 PCI devices. + endif # IOMMU_SUPPORT diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index c6dcc513d711..2393d86f04da 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -1,6 +1,7 @@ obj-$(CONFIG_IOMMU_API) += iommu.o obj-$(CONFIG_IOMMU_API) += iommu-traces.o obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o +obj-$(CONFIG_IOMMU_DMA) += dma-iommu.o obj-$(CONFIG_IOMMU_IO_PGTABLE) += io-pgtable.o obj-$(CONFIG_IOMMU_IO_PGTABLE_LPAE) += io-pgtable-arm.o obj-$(CONFIG_IOMMU_IOVA) += iova.o @@ -23,3 +24,4 @@ obj-$(CONFIG_EXYNOS_IOMMU) += exynos-iommu.o obj-$(CONFIG_SHMOBILE_IOMMU) += shmobile-iommu.o obj-$(CONFIG_SHMOBILE_IPMMU) += shmobile-ipmmu.o obj-$(CONFIG_FSL_PAMU) += fsl_pamu.o fsl_pamu_domain.o +obj-$(CONFIG_S390_IOMMU) += s390-iommu.o diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index f82060e778a2..0d533bba4ad1 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -89,8 +89,6 @@ static struct dma_map_ops amd_iommu_dma_ops; struct iommu_dev_data { struct list_head list; /* For domain->dev_list */ struct list_head dev_data_list; /* For global dev_data_list */ - struct list_head alias_list; /* Link alias-groups together */ - struct iommu_dev_data *alias_data;/* The alias dev_data */ struct protection_domain *domain; /* Domain the device is bound to */ u16 devid; /* PCI Device ID */ bool iommu_v2; /* Device can make use of IOMMUv2 */ @@ -136,8 +134,6 @@ static struct iommu_dev_data *alloc_dev_data(u16 devid) if (!dev_data) return NULL; - INIT_LIST_HEAD(&dev_data->alias_list); - dev_data->devid = devid; spin_lock_irqsave(&dev_data_list_lock, flags); @@ -147,17 +143,6 @@ static struct iommu_dev_data *alloc_dev_data(u16 devid) return dev_data; } -static void free_dev_data(struct iommu_dev_data *dev_data) -{ - unsigned long flags; - - spin_lock_irqsave(&dev_data_list_lock, flags); - list_del(&dev_data->dev_data_list); - spin_unlock_irqrestore(&dev_data_list_lock, flags); - - kfree(dev_data); -} - static struct iommu_dev_data *search_dev_data(u16 devid) { struct iommu_dev_data *dev_data; @@ -311,73 +296,10 @@ out: iommu_group_put(group); } -static int __last_alias(struct pci_dev *pdev, u16 alias, void *data) -{ - *(u16 *)data = alias; - return 0; -} - -static u16 get_alias(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - u16 devid, ivrs_alias, pci_alias; - - devid = get_device_id(dev); - ivrs_alias = amd_iommu_alias_table[devid]; - pci_for_each_dma_alias(pdev, __last_alias, &pci_alias); - - if (ivrs_alias == pci_alias) - return ivrs_alias; - - /* - * DMA alias showdown - * - * The IVRS is fairly reliable in telling us about aliases, but it - * can't know about every screwy device. If we don't have an IVRS - * reported alias, use the PCI reported alias. In that case we may - * still need to initialize the rlookup and dev_table entries if the - * alias is to a non-existent device. - */ - if (ivrs_alias == devid) { - if (!amd_iommu_rlookup_table[pci_alias]) { - amd_iommu_rlookup_table[pci_alias] = - amd_iommu_rlookup_table[devid]; - memcpy(amd_iommu_dev_table[pci_alias].data, - amd_iommu_dev_table[devid].data, - sizeof(amd_iommu_dev_table[pci_alias].data)); - } - - return pci_alias; - } - - pr_info("AMD-Vi: Using IVRS reported alias %02x:%02x.%d " - "for device %s[%04x:%04x], kernel reported alias " - "%02x:%02x.%d\n", PCI_BUS_NUM(ivrs_alias), PCI_SLOT(ivrs_alias), - PCI_FUNC(ivrs_alias), dev_name(dev), pdev->vendor, pdev->device, - PCI_BUS_NUM(pci_alias), PCI_SLOT(pci_alias), - PCI_FUNC(pci_alias)); - - /* - * If we don't have a PCI DMA alias and the IVRS alias is on the same - * bus, then the IVRS table may know about a quirk that we don't. - */ - if (pci_alias == devid && - PCI_BUS_NUM(ivrs_alias) == pdev->bus->number) { - pdev->dev_flags |= PCI_DEV_FLAGS_DMA_ALIAS_DEVFN; - pdev->dma_alias_devfn = ivrs_alias & 0xff; - pr_info("AMD-Vi: Added PCI DMA alias %02x.%d for %s\n", - PCI_SLOT(ivrs_alias), PCI_FUNC(ivrs_alias), - dev_name(dev)); - } - - return ivrs_alias; -} - static int iommu_init_device(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct iommu_dev_data *dev_data; - u16 alias; if (dev->archdata.iommu) return 0; @@ -386,24 +308,6 @@ static int iommu_init_device(struct device *dev) if (!dev_data) return -ENOMEM; - alias = get_alias(dev); - - if (alias != dev_data->devid) { - struct iommu_dev_data *alias_data; - - alias_data = find_dev_data(alias); - if (alias_data == NULL) { - pr_err("AMD-Vi: Warning: Unhandled device %s\n", - dev_name(dev)); - free_dev_data(dev_data); - return -ENOTSUPP; - } - dev_data->alias_data = alias_data; - - /* Add device to the alias_list */ - list_add(&dev_data->alias_list, &alias_data->alias_list); - } - if (pci_iommuv2_capable(pdev)) { struct amd_iommu *iommu; @@ -445,9 +349,6 @@ static void iommu_uninit_device(struct device *dev) iommu_group_remove_device(dev); - /* Unlink from alias, it may change if another device is re-plugged */ - dev_data->alias_data = NULL; - /* Remove dma-ops */ dev->archdata.dma_ops = NULL; @@ -633,7 +534,7 @@ static void iommu_poll_events(struct amd_iommu *iommu) while (head != tail) { iommu_print_event(iommu, iommu->evt_buf + head); - head = (head + EVENT_ENTRY_SIZE) % iommu->evt_buf_size; + head = (head + EVENT_ENTRY_SIZE) % EVT_BUFFER_SIZE; } writel(head, iommu->mmio_base + MMIO_EVT_HEAD_OFFSET); @@ -783,7 +684,7 @@ static void copy_cmd_to_buffer(struct amd_iommu *iommu, u8 *target; target = iommu->cmd_buf + tail; - tail = (tail + sizeof(*cmd)) % iommu->cmd_buf_size; + tail = (tail + sizeof(*cmd)) % CMD_BUFFER_SIZE; /* Copy command to buffer */ memcpy(target, cmd, sizeof(*cmd)); @@ -950,15 +851,13 @@ static int iommu_queue_command_sync(struct amd_iommu *iommu, u32 left, tail, head, next_tail; unsigned long flags; - WARN_ON(iommu->cmd_buf_size & CMD_BUFFER_UNINITIALIZED); - again: spin_lock_irqsave(&iommu->lock, flags); head = readl(iommu->mmio_base + MMIO_CMD_HEAD_OFFSET); tail = readl(iommu->mmio_base + MMIO_CMD_TAIL_OFFSET); - next_tail = (tail + sizeof(*cmd)) % iommu->cmd_buf_size; - left = (head - next_tail) % iommu->cmd_buf_size; + next_tail = (tail + sizeof(*cmd)) % CMD_BUFFER_SIZE; + left = (head - next_tail) % CMD_BUFFER_SIZE; if (left <= 2) { struct iommu_cmd sync_cmd; @@ -1114,11 +1013,15 @@ static int device_flush_iotlb(struct iommu_dev_data *dev_data, static int device_flush_dte(struct iommu_dev_data *dev_data) { struct amd_iommu *iommu; + u16 alias; int ret; iommu = amd_iommu_rlookup_table[dev_data->devid]; + alias = amd_iommu_alias_table[dev_data->devid]; ret = iommu_flush_dte(iommu, dev_data->devid); + if (!ret && alias != dev_data->devid) + ret = iommu_flush_dte(iommu, alias); if (ret) return ret; @@ -1974,8 +1877,8 @@ static void set_dte_entry(u16 devid, struct protection_domain *domain, bool ats) static void clear_dte_entry(u16 devid) { /* remove entry from the device table seen by the hardware */ - amd_iommu_dev_table[devid].data[0] = IOMMU_PTE_P | IOMMU_PTE_TV; - amd_iommu_dev_table[devid].data[1] = 0; + amd_iommu_dev_table[devid].data[0] = IOMMU_PTE_P | IOMMU_PTE_TV; + amd_iommu_dev_table[devid].data[1] &= DTE_FLAG_MASK; amd_iommu_apply_erratum_63(devid); } @@ -1984,29 +1887,45 @@ static void do_attach(struct iommu_dev_data *dev_data, struct protection_domain *domain) { struct amd_iommu *iommu; + u16 alias; bool ats; iommu = amd_iommu_rlookup_table[dev_data->devid]; + alias = amd_iommu_alias_table[dev_data->devid]; ats = dev_data->ats.enabled; /* Update data structures */ dev_data->domain = domain; list_add(&dev_data->list, &domain->dev_list); - set_dte_entry(dev_data->devid, domain, ats); /* Do reference counting */ domain->dev_iommu[iommu->index] += 1; domain->dev_cnt += 1; - /* Flush the DTE entry */ + /* Update device table */ + set_dte_entry(dev_data->devid, domain, ats); + if (alias != dev_data->devid) + set_dte_entry(dev_data->devid, domain, ats); + device_flush_dte(dev_data); } static void do_detach(struct iommu_dev_data *dev_data) { struct amd_iommu *iommu; + u16 alias; + + /* + * First check if the device is still attached. It might already + * be detached from its domain because the generic + * iommu_detach_group code detached it and we try again here in + * our alias handling. + */ + if (!dev_data->domain) + return; iommu = amd_iommu_rlookup_table[dev_data->devid]; + alias = amd_iommu_alias_table[dev_data->devid]; /* decrease reference counters */ dev_data->domain->dev_iommu[iommu->index] -= 1; @@ -2016,6 +1935,8 @@ static void do_detach(struct iommu_dev_data *dev_data) dev_data->domain = NULL; list_del(&dev_data->list); clear_dte_entry(dev_data->devid); + if (alias != dev_data->devid) + clear_dte_entry(alias); /* Flush the DTE entry */ device_flush_dte(dev_data); @@ -2028,29 +1949,23 @@ static void do_detach(struct iommu_dev_data *dev_data) static int __attach_device(struct iommu_dev_data *dev_data, struct protection_domain *domain) { - struct iommu_dev_data *head, *entry; int ret; + /* + * Must be called with IRQs disabled. Warn here to detect early + * when its not. + */ + WARN_ON(!irqs_disabled()); + /* lock domain */ spin_lock(&domain->lock); - head = dev_data; - - if (head->alias_data != NULL) - head = head->alias_data; - - /* Now we have the root of the alias group, if any */ - ret = -EBUSY; - if (head->domain != NULL) + if (dev_data->domain != NULL) goto out_unlock; /* Attach alias group root */ - do_attach(head, domain); - - /* Attach other devices in the alias group */ - list_for_each_entry(entry, &head->alias_list, alias_list) - do_attach(entry, domain); + do_attach(dev_data, domain); ret = 0; @@ -2200,26 +2115,24 @@ static int attach_device(struct device *dev, */ static void __detach_device(struct iommu_dev_data *dev_data) { - struct iommu_dev_data *head, *entry; struct protection_domain *domain; - unsigned long flags; - BUG_ON(!dev_data->domain); - - domain = dev_data->domain; + /* + * Must be called with IRQs disabled. Warn here to detect early + * when its not. + */ + WARN_ON(!irqs_disabled()); - spin_lock_irqsave(&domain->lock, flags); + if (WARN_ON(!dev_data->domain)) + return; - head = dev_data; - if (head->alias_data != NULL) - head = head->alias_data; + domain = dev_data->domain; - list_for_each_entry(entry, &head->alias_list, alias_list) - do_detach(entry); + spin_lock(&domain->lock); - do_detach(head); + do_detach(dev_data); - spin_unlock_irqrestore(&domain->lock, flags); + spin_unlock(&domain->lock); } /* @@ -3189,6 +3102,7 @@ static const struct iommu_ops amd_iommu_ops = { .iova_to_phys = amd_iommu_iova_to_phys, .add_device = amd_iommu_add_device, .remove_device = amd_iommu_remove_device, + .device_group = pci_device_group, .get_dm_regions = amd_iommu_get_dm_regions, .put_dm_regions = amd_iommu_put_dm_regions, .pgsize_bitmap = AMD_IOMMU_PGSIZES, diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 5ef347a13cb5..a7cc3996d3b6 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -408,20 +408,6 @@ static inline int ivhd_entry_length(u8 *ivhd) } /* - * This function reads the last device id the IOMMU has to handle from the PCI - * capability header for this IOMMU - */ -static int __init find_last_devid_on_pci(int bus, int dev, int fn, int cap_ptr) -{ - u32 cap; - - cap = read_pci_config(bus, dev, fn, cap_ptr+MMIO_RANGE_OFFSET); - update_last_devid(PCI_DEVID(MMIO_GET_BUS(cap), MMIO_GET_LD(cap))); - - return 0; -} - -/* * After reading the highest device id from the IOMMU PCI capability header * this function looks if there is a higher device id defined in the ACPI table */ @@ -433,14 +419,13 @@ static int __init find_last_devid_from_ivhd(struct ivhd_header *h) p += sizeof(*h); end += h->length; - find_last_devid_on_pci(PCI_BUS_NUM(h->devid), - PCI_SLOT(h->devid), - PCI_FUNC(h->devid), - h->cap_ptr); - while (p < end) { dev = (struct ivhd_entry *)p; switch (dev->type) { + case IVHD_DEV_ALL: + /* Use maximum BDF value for DEV_ALL */ + update_last_devid(0xffff); + break; case IVHD_DEV_SELECT: case IVHD_DEV_RANGE_END: case IVHD_DEV_ALIAS: @@ -513,17 +498,12 @@ static int __init find_last_devid_acpi(struct acpi_table_header *table) * write commands to that buffer later and the IOMMU will execute them * asynchronously */ -static u8 * __init alloc_command_buffer(struct amd_iommu *iommu) +static int __init alloc_command_buffer(struct amd_iommu *iommu) { - u8 *cmd_buf = (u8 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, - get_order(CMD_BUFFER_SIZE)); - - if (cmd_buf == NULL) - return NULL; + iommu->cmd_buf = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, + get_order(CMD_BUFFER_SIZE)); - iommu->cmd_buf_size = CMD_BUFFER_SIZE | CMD_BUFFER_UNINITIALIZED; - - return cmd_buf; + return iommu->cmd_buf ? 0 : -ENOMEM; } /* @@ -557,27 +537,20 @@ static void iommu_enable_command_buffer(struct amd_iommu *iommu) &entry, sizeof(entry)); amd_iommu_reset_cmd_buffer(iommu); - iommu->cmd_buf_size &= ~(CMD_BUFFER_UNINITIALIZED); } static void __init free_command_buffer(struct amd_iommu *iommu) { - free_pages((unsigned long)iommu->cmd_buf, - get_order(iommu->cmd_buf_size & ~(CMD_BUFFER_UNINITIALIZED))); + free_pages((unsigned long)iommu->cmd_buf, get_order(CMD_BUFFER_SIZE)); } /* allocates the memory where the IOMMU will log its events to */ -static u8 * __init alloc_event_buffer(struct amd_iommu *iommu) +static int __init alloc_event_buffer(struct amd_iommu *iommu) { - iommu->evt_buf = (u8 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, - get_order(EVT_BUFFER_SIZE)); + iommu->evt_buf = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, + get_order(EVT_BUFFER_SIZE)); - if (iommu->evt_buf == NULL) - return NULL; - - iommu->evt_buf_size = EVT_BUFFER_SIZE; - - return iommu->evt_buf; + return iommu->evt_buf ? 0 : -ENOMEM; } static void iommu_enable_event_buffer(struct amd_iommu *iommu) @@ -604,15 +577,12 @@ static void __init free_event_buffer(struct amd_iommu *iommu) } /* allocates the memory where the IOMMU will log its events to */ -static u8 * __init alloc_ppr_log(struct amd_iommu *iommu) +static int __init alloc_ppr_log(struct amd_iommu *iommu) { - iommu->ppr_log = (u8 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, - get_order(PPR_LOG_SIZE)); + iommu->ppr_log = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, + get_order(PPR_LOG_SIZE)); - if (iommu->ppr_log == NULL) - return NULL; - - return iommu->ppr_log; + return iommu->ppr_log ? 0 : -ENOMEM; } static void iommu_enable_ppr_log(struct amd_iommu *iommu) @@ -835,20 +805,10 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, switch (e->type) { case IVHD_DEV_ALL: - DUMP_printk(" DEV_ALL\t\t\t first devid: %02x:%02x.%x" - " last device %02x:%02x.%x flags: %02x\n", - PCI_BUS_NUM(iommu->first_device), - PCI_SLOT(iommu->first_device), - PCI_FUNC(iommu->first_device), - PCI_BUS_NUM(iommu->last_device), - PCI_SLOT(iommu->last_device), - PCI_FUNC(iommu->last_device), - e->flags); + DUMP_printk(" DEV_ALL\t\t\tflags: %02x\n", e->flags); - for (dev_i = iommu->first_device; - dev_i <= iommu->last_device; ++dev_i) - set_dev_entry_from_acpi(iommu, dev_i, - e->flags, 0); + for (dev_i = 0; dev_i <= amd_iommu_last_bdf; ++dev_i) + set_dev_entry_from_acpi(iommu, dev_i, e->flags, 0); break; case IVHD_DEV_SELECT: @@ -1004,17 +964,6 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, return 0; } -/* Initializes the device->iommu mapping for the driver */ -static int __init init_iommu_devices(struct amd_iommu *iommu) -{ - u32 i; - - for (i = iommu->first_device; i <= iommu->last_device; ++i) - set_iommu_for_device(iommu, i); - - return 0; -} - static void __init free_iommu_one(struct amd_iommu *iommu) { free_command_buffer(iommu); @@ -1111,12 +1060,10 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) if (!iommu->mmio_base) return -ENOMEM; - iommu->cmd_buf = alloc_command_buffer(iommu); - if (!iommu->cmd_buf) + if (alloc_command_buffer(iommu)) return -ENOMEM; - iommu->evt_buf = alloc_event_buffer(iommu); - if (!iommu->evt_buf) + if (alloc_event_buffer(iommu)) return -ENOMEM; iommu->int_enabled = false; @@ -1135,8 +1082,6 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) */ amd_iommu_rlookup_table[iommu->devid] = NULL; - init_iommu_devices(iommu); - return 0; } @@ -1256,6 +1201,9 @@ static int iommu_init_pci(struct amd_iommu *iommu) if (!iommu->dev) return -ENODEV; + /* Prevent binding other PCI device drivers to IOMMU devices */ + iommu->dev->match_driver = false; + pci_read_config_dword(iommu->dev, cap_ptr + MMIO_CAP_HDR_OFFSET, &iommu->cap); pci_read_config_dword(iommu->dev, cap_ptr + MMIO_RANGE_OFFSET, @@ -1263,11 +1211,6 @@ static int iommu_init_pci(struct amd_iommu *iommu) pci_read_config_dword(iommu->dev, cap_ptr + MMIO_MISC_OFFSET, &misc); - iommu->first_device = PCI_DEVID(MMIO_GET_BUS(range), - MMIO_GET_FD(range)); - iommu->last_device = PCI_DEVID(MMIO_GET_BUS(range), - MMIO_GET_LD(range)); - if (!(iommu->cap & (1 << IOMMU_CAP_IOTLB))) amd_iommu_iotlb_sup = false; @@ -1305,11 +1248,8 @@ static int iommu_init_pci(struct amd_iommu *iommu) amd_iommu_v2_present = true; } - if (iommu_feature(iommu, FEATURE_PPR)) { - iommu->ppr_log = alloc_ppr_log(iommu); - if (!iommu->ppr_log) - return -ENOMEM; - } + if (iommu_feature(iommu, FEATURE_PPR) && alloc_ppr_log(iommu)) + return -ENOMEM; if (iommu->cap & (1UL << IOMMU_CAP_NPCACHE)) amd_iommu_np_cache = true; @@ -1755,11 +1695,8 @@ static void __init free_on_init_error(void) free_pages((unsigned long)irq_lookup_table, get_order(rlookup_table_size)); - if (amd_iommu_irq_cache) { - kmem_cache_destroy(amd_iommu_irq_cache); - amd_iommu_irq_cache = NULL; - - } + kmem_cache_destroy(amd_iommu_irq_cache); + amd_iommu_irq_cache = NULL; free_pages((unsigned long)amd_iommu_rlookup_table, get_order(rlookup_table_size)); @@ -2198,7 +2135,7 @@ int __init amd_iommu_detect(void) iommu_detected = 1; x86_init.iommu.iommu_init = amd_iommu_init; - return 0; + return 1; } /**************************************************************************** diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index f65908841be0..08166ae3b6a4 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -295,8 +295,9 @@ #define IOMMU_PTE_IR (1ULL << 61) #define IOMMU_PTE_IW (1ULL << 62) -#define DTE_FLAG_IOTLB (0x01UL << 32) -#define DTE_FLAG_GV (0x01ULL << 55) +#define DTE_FLAG_IOTLB (1ULL << 32) +#define DTE_FLAG_GV (1ULL << 55) +#define DTE_FLAG_MASK (0x3ffULL << 32) #define DTE_GLX_SHIFT (56) #define DTE_GLX_MASK (3) @@ -516,11 +517,6 @@ struct amd_iommu { /* pci domain of this IOMMU */ u16 pci_seg; - /* first device this IOMMU handles. read from PCI */ - u16 first_device; - /* last device this IOMMU handles. read from PCI */ - u16 last_device; - /* start of exclusion range of that IOMMU */ u64 exclusion_start; /* length of exclusion range of that IOMMU */ @@ -528,11 +524,7 @@ struct amd_iommu { /* command buffer virtual address */ u8 *cmd_buf; - /* size of command buffer */ - u32 cmd_buf_size; - /* size of event buffer */ - u32 evt_buf_size; /* event buffer virtual address */ u8 *evt_buf; diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 1131664b918b..d21d4edf7236 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -516,6 +516,13 @@ static void do_fault(struct work_struct *work) goto out; } + if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))) { + /* handle_mm_fault would BUG_ON() */ + up_read(&mm->mmap_sem); + handle_fault_error(fault); + goto out; + } + ret = handle_mm_fault(mm, vma, address, write); if (ret & VM_FAULT_ERROR) { /* failed to service fault */ diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index dafaf59dc3b8..4e5118a4cd30 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -26,8 +26,10 @@ #include <linux/iommu.h> #include <linux/iopoll.h> #include <linux/module.h> +#include <linux/msi.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/of_platform.h> #include <linux/pci.h> #include <linux/platform_device.h> @@ -56,6 +58,7 @@ #define IDR0_TTF_SHIFT 2 #define IDR0_TTF_MASK 0x3 #define IDR0_TTF_AARCH64 (2 << IDR0_TTF_SHIFT) +#define IDR0_TTF_AARCH32_64 (3 << IDR0_TTF_SHIFT) #define IDR0_S1P (1 << 1) #define IDR0_S2P (1 << 0) @@ -342,7 +345,8 @@ #define CMDQ_TLBI_0_VMID_SHIFT 32 #define CMDQ_TLBI_0_ASID_SHIFT 48 #define CMDQ_TLBI_1_LEAF (1UL << 0) -#define CMDQ_TLBI_1_ADDR_MASK ~0xfffUL +#define CMDQ_TLBI_1_VA_MASK ~0xfffUL +#define CMDQ_TLBI_1_IPA_MASK 0xfffffffff000UL #define CMDQ_PRI_0_SSID_SHIFT 12 #define CMDQ_PRI_0_SSID_MASK 0xfffffUL @@ -401,6 +405,31 @@ enum pri_resp { PRI_RESP_SUCC, }; +enum arm_smmu_msi_index { + EVTQ_MSI_INDEX, + GERROR_MSI_INDEX, + PRIQ_MSI_INDEX, + ARM_SMMU_MAX_MSIS, +}; + +static phys_addr_t arm_smmu_msi_cfg[ARM_SMMU_MAX_MSIS][3] = { + [EVTQ_MSI_INDEX] = { + ARM_SMMU_EVTQ_IRQ_CFG0, + ARM_SMMU_EVTQ_IRQ_CFG1, + ARM_SMMU_EVTQ_IRQ_CFG2, + }, + [GERROR_MSI_INDEX] = { + ARM_SMMU_GERROR_IRQ_CFG0, + ARM_SMMU_GERROR_IRQ_CFG1, + ARM_SMMU_GERROR_IRQ_CFG2, + }, + [PRIQ_MSI_INDEX] = { + ARM_SMMU_PRIQ_IRQ_CFG0, + ARM_SMMU_PRIQ_IRQ_CFG1, + ARM_SMMU_PRIQ_IRQ_CFG2, + }, +}; + struct arm_smmu_cmdq_ent { /* Common fields */ u8 opcode; @@ -568,7 +597,6 @@ struct arm_smmu_device { unsigned int sid_bits; struct arm_smmu_strtab_cfg strtab_cfg; - struct list_head list; }; /* SMMU private data for an IOMMU group */ @@ -603,10 +631,6 @@ struct arm_smmu_domain { struct iommu_domain domain; }; -/* Our list of SMMU instances */ -static DEFINE_SPINLOCK(arm_smmu_devices_lock); -static LIST_HEAD(arm_smmu_devices); - struct arm_smmu_option_prop { u32 opt; const char *prop; @@ -770,11 +794,13 @@ static int arm_smmu_cmdq_build_cmd(u64 *cmd, struct arm_smmu_cmdq_ent *ent) break; case CMDQ_OP_TLBI_NH_VA: cmd[0] |= (u64)ent->tlbi.asid << CMDQ_TLBI_0_ASID_SHIFT; - /* Fallthrough */ + cmd[1] |= ent->tlbi.leaf ? CMDQ_TLBI_1_LEAF : 0; + cmd[1] |= ent->tlbi.addr & CMDQ_TLBI_1_VA_MASK; + break; case CMDQ_OP_TLBI_S2_IPA: cmd[0] |= (u64)ent->tlbi.vmid << CMDQ_TLBI_0_VMID_SHIFT; cmd[1] |= ent->tlbi.leaf ? CMDQ_TLBI_1_LEAF : 0; - cmd[1] |= ent->tlbi.addr & CMDQ_TLBI_1_ADDR_MASK; + cmd[1] |= ent->tlbi.addr & CMDQ_TLBI_1_IPA_MASK; break; case CMDQ_OP_TLBI_NH_ASID: cmd[0] |= (u64)ent->tlbi.asid << CMDQ_TLBI_0_ASID_SHIFT; @@ -1423,7 +1449,7 @@ static int arm_smmu_domain_finalise_s1(struct arm_smmu_domain *smmu_domain, struct io_pgtable_cfg *pgtbl_cfg) { int ret; - u16 asid; + int asid; struct arm_smmu_device *smmu = smmu_domain->smmu; struct arm_smmu_s1_cfg *cfg = &smmu_domain->s1_cfg; @@ -1435,10 +1461,11 @@ static int arm_smmu_domain_finalise_s1(struct arm_smmu_domain *smmu_domain, &cfg->cdptr_dma, GFP_KERNEL); if (!cfg->cdptr) { dev_warn(smmu->dev, "failed to allocate context descriptor\n"); + ret = -ENOMEM; goto out_free_asid; } - cfg->cd.asid = asid; + cfg->cd.asid = (u16)asid; cfg->cd.ttbr = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[0]; cfg->cd.tcr = pgtbl_cfg->arm_lpae_s1_cfg.tcr; cfg->cd.mair = pgtbl_cfg->arm_lpae_s1_cfg.mair[0]; @@ -1452,7 +1479,7 @@ out_free_asid: static int arm_smmu_domain_finalise_s2(struct arm_smmu_domain *smmu_domain, struct io_pgtable_cfg *pgtbl_cfg) { - u16 vmid; + int vmid; struct arm_smmu_device *smmu = smmu_domain->smmu; struct arm_smmu_s2_cfg *cfg = &smmu_domain->s2_cfg; @@ -1460,7 +1487,7 @@ static int arm_smmu_domain_finalise_s2(struct arm_smmu_domain *smmu_domain, if (IS_ERR_VALUE(vmid)) return vmid; - cfg->vmid = vmid; + cfg->vmid = (u16)vmid; cfg->vttbr = pgtbl_cfg->arm_lpae_s2_cfg.vttbr; cfg->vtcr = pgtbl_cfg->arm_lpae_s2_cfg.vtcr; return 0; @@ -1722,7 +1749,8 @@ static void __arm_smmu_release_pci_iommudata(void *data) static struct arm_smmu_device *arm_smmu_get_for_pci_dev(struct pci_dev *pdev) { struct device_node *of_node; - struct arm_smmu_device *curr, *smmu = NULL; + struct platform_device *smmu_pdev; + struct arm_smmu_device *smmu = NULL; struct pci_bus *bus = pdev->bus; /* Walk up to the root bus */ @@ -1735,14 +1763,10 @@ static struct arm_smmu_device *arm_smmu_get_for_pci_dev(struct pci_dev *pdev) return NULL; /* See if we can find an SMMU corresponding to the phandle */ - spin_lock(&arm_smmu_devices_lock); - list_for_each_entry(curr, &arm_smmu_devices, list) { - if (curr->dev->of_node == of_node) { - smmu = curr; - break; - } - } - spin_unlock(&arm_smmu_devices_lock); + smmu_pdev = of_find_device_by_node(of_node); + if (smmu_pdev) + smmu = platform_get_drvdata(smmu_pdev); + of_node_put(of_node); return smmu; } @@ -1898,6 +1922,7 @@ static struct iommu_ops arm_smmu_ops = { .iova_to_phys = arm_smmu_iova_to_phys, .add_device = arm_smmu_add_device, .remove_device = arm_smmu_remove_device, + .device_group = pci_device_group, .domain_get_attr = arm_smmu_domain_get_attr, .domain_set_attr = arm_smmu_domain_set_attr, .pgsize_bitmap = -1UL, /* Restricted during device attach */ @@ -2182,6 +2207,72 @@ static int arm_smmu_write_reg_sync(struct arm_smmu_device *smmu, u32 val, 1, ARM_SMMU_POLL_TIMEOUT_US); } +static void arm_smmu_free_msis(void *data) +{ + struct device *dev = data; + platform_msi_domain_free_irqs(dev); +} + +static void arm_smmu_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg) +{ + phys_addr_t doorbell; + struct device *dev = msi_desc_to_dev(desc); + struct arm_smmu_device *smmu = dev_get_drvdata(dev); + phys_addr_t *cfg = arm_smmu_msi_cfg[desc->platform.msi_index]; + + doorbell = (((u64)msg->address_hi) << 32) | msg->address_lo; + doorbell &= MSI_CFG0_ADDR_MASK << MSI_CFG0_ADDR_SHIFT; + + writeq_relaxed(doorbell, smmu->base + cfg[0]); + writel_relaxed(msg->data, smmu->base + cfg[1]); + writel_relaxed(MSI_CFG2_MEMATTR_DEVICE_nGnRE, smmu->base + cfg[2]); +} + +static void arm_smmu_setup_msis(struct arm_smmu_device *smmu) +{ + struct msi_desc *desc; + int ret, nvec = ARM_SMMU_MAX_MSIS; + struct device *dev = smmu->dev; + + /* Clear the MSI address regs */ + writeq_relaxed(0, smmu->base + ARM_SMMU_GERROR_IRQ_CFG0); + writeq_relaxed(0, smmu->base + ARM_SMMU_EVTQ_IRQ_CFG0); + + if (smmu->features & ARM_SMMU_FEAT_PRI) + writeq_relaxed(0, smmu->base + ARM_SMMU_PRIQ_IRQ_CFG0); + else + nvec--; + + if (!(smmu->features & ARM_SMMU_FEAT_MSI)) + return; + + /* Allocate MSIs for evtq, gerror and priq. Ignore cmdq */ + ret = platform_msi_domain_alloc_irqs(dev, nvec, arm_smmu_write_msi_msg); + if (ret) { + dev_warn(dev, "failed to allocate MSIs\n"); + return; + } + + for_each_msi_entry(desc, dev) { + switch (desc->platform.msi_index) { + case EVTQ_MSI_INDEX: + smmu->evtq.q.irq = desc->irq; + break; + case GERROR_MSI_INDEX: + smmu->gerr_irq = desc->irq; + break; + case PRIQ_MSI_INDEX: + smmu->priq.q.irq = desc->irq; + break; + default: /* Unknown */ + continue; + } + } + + /* Add callback to free MSIs on teardown */ + devm_add_action(dev, arm_smmu_free_msis, dev); +} + static int arm_smmu_setup_irqs(struct arm_smmu_device *smmu) { int ret, irq; @@ -2195,11 +2286,9 @@ static int arm_smmu_setup_irqs(struct arm_smmu_device *smmu) return ret; } - /* Clear the MSI address regs */ - writeq_relaxed(0, smmu->base + ARM_SMMU_GERROR_IRQ_CFG0); - writeq_relaxed(0, smmu->base + ARM_SMMU_EVTQ_IRQ_CFG0); + arm_smmu_setup_msis(smmu); - /* Request wired interrupt lines */ + /* Request interrupt lines */ irq = smmu->evtq.q.irq; if (irq) { ret = devm_request_threaded_irq(smmu->dev, irq, @@ -2228,8 +2317,6 @@ static int arm_smmu_setup_irqs(struct arm_smmu_device *smmu) } if (smmu->features & ARM_SMMU_FEAT_PRI) { - writeq_relaxed(0, smmu->base + ARM_SMMU_PRIQ_IRQ_CFG0); - irq = smmu->priq.q.irq; if (irq) { ret = devm_request_threaded_irq(smmu->dev, irq, @@ -2460,7 +2547,13 @@ static int arm_smmu_device_probe(struct arm_smmu_device *smmu) } /* We only support the AArch64 table format at present */ - if ((reg & IDR0_TTF_MASK << IDR0_TTF_SHIFT) < IDR0_TTF_AARCH64) { + switch (reg & IDR0_TTF_MASK << IDR0_TTF_SHIFT) { + case IDR0_TTF_AARCH32_64: + smmu->ias = 40; + /* Fallthrough */ + case IDR0_TTF_AARCH64: + break; + default: dev_err(smmu->dev, "AArch64 table format not supported!\n"); return -ENXIO; } @@ -2541,8 +2634,7 @@ static int arm_smmu_device_probe(struct arm_smmu_device *smmu) dev_warn(smmu->dev, "failed to set DMA mask for table walker\n"); - if (!smmu->ias) - smmu->ias = smmu->oas; + smmu->ias = max(smmu->ias, smmu->oas); dev_info(smmu->dev, "ias %lu-bit, oas %lu-bit (features 0x%08x)\n", smmu->ias, smmu->oas, smmu->features); @@ -2603,16 +2695,14 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) if (ret) return ret; + /* Record our private device structure */ + platform_set_drvdata(pdev, smmu); + /* Reset the device */ ret = arm_smmu_device_reset(smmu); if (ret) goto out_free_structures; - /* Record our private device structure */ - INIT_LIST_HEAD(&smmu->list); - spin_lock(&arm_smmu_devices_lock); - list_add(&smmu->list, &arm_smmu_devices); - spin_unlock(&arm_smmu_devices_lock); return 0; out_free_structures: @@ -2622,21 +2712,7 @@ out_free_structures: static int arm_smmu_device_remove(struct platform_device *pdev) { - struct arm_smmu_device *curr, *smmu = NULL; - struct device *dev = &pdev->dev; - - spin_lock(&arm_smmu_devices_lock); - list_for_each_entry(curr, &arm_smmu_devices, list) { - if (curr->dev == dev) { - smmu = curr; - list_del(&smmu->list); - break; - } - } - spin_unlock(&arm_smmu_devices_lock); - - if (!smmu) - return -ENODEV; + struct arm_smmu_device *smmu = platform_get_drvdata(pdev); arm_smmu_device_disable(smmu); arm_smmu_free_structures(smmu); diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 48a39dfa9777..47dc7a793f5c 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -70,6 +70,18 @@ ((smmu->options & ARM_SMMU_OPT_SECURE_CFG_ACCESS) \ ? 0x400 : 0)) +#ifdef CONFIG_64BIT +#define smmu_writeq writeq_relaxed +#else +#define smmu_writeq(reg64, addr) \ + do { \ + u64 __val = (reg64); \ + void __iomem *__addr = (addr); \ + writel_relaxed(__val >> 32, __addr + 4); \ + writel_relaxed(__val, __addr); \ + } while (0) +#endif + /* Configuration registers */ #define ARM_SMMU_GR0_sCR0 0x0 #define sCR0_CLIENTPD (1 << 0) @@ -185,10 +197,8 @@ #define ARM_SMMU_CB_SCTLR 0x0 #define ARM_SMMU_CB_RESUME 0x8 #define ARM_SMMU_CB_TTBCR2 0x10 -#define ARM_SMMU_CB_TTBR0_LO 0x20 -#define ARM_SMMU_CB_TTBR0_HI 0x24 -#define ARM_SMMU_CB_TTBR1_LO 0x28 -#define ARM_SMMU_CB_TTBR1_HI 0x2c +#define ARM_SMMU_CB_TTBR0 0x20 +#define ARM_SMMU_CB_TTBR1 0x28 #define ARM_SMMU_CB_TTBCR 0x30 #define ARM_SMMU_CB_S1_MAIR0 0x38 #define ARM_SMMU_CB_S1_MAIR1 0x3c @@ -226,7 +236,7 @@ #define TTBCR2_SEP_SHIFT 15 #define TTBCR2_SEP_UPSTREAM (0x7 << TTBCR2_SEP_SHIFT) -#define TTBRn_HI_ASID_SHIFT 16 +#define TTBRn_ASID_SHIFT 48 #define FSR_MULTI (1 << 31) #define FSR_SS (1 << 30) @@ -695,12 +705,12 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain, struct io_pgtable_cfg *pgtbl_cfg) { u32 reg; + u64 reg64; bool stage1; struct arm_smmu_cfg *cfg = &smmu_domain->cfg; struct arm_smmu_device *smmu = smmu_domain->smmu; - void __iomem *cb_base, *gr0_base, *gr1_base; + void __iomem *cb_base, *gr1_base; - gr0_base = ARM_SMMU_GR0(smmu); gr1_base = ARM_SMMU_GR1(smmu); stage1 = cfg->cbar != CBAR_TYPE_S2_TRANS; cb_base = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, cfg->cbndx); @@ -738,22 +748,17 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain, /* TTBRs */ if (stage1) { - reg = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[0]; - writel_relaxed(reg, cb_base + ARM_SMMU_CB_TTBR0_LO); - reg = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[0] >> 32; - reg |= ARM_SMMU_CB_ASID(cfg) << TTBRn_HI_ASID_SHIFT; - writel_relaxed(reg, cb_base + ARM_SMMU_CB_TTBR0_HI); - - reg = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[1]; - writel_relaxed(reg, cb_base + ARM_SMMU_CB_TTBR1_LO); - reg = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[1] >> 32; - reg |= ARM_SMMU_CB_ASID(cfg) << TTBRn_HI_ASID_SHIFT; - writel_relaxed(reg, cb_base + ARM_SMMU_CB_TTBR1_HI); + reg64 = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[0]; + + reg64 |= ((u64)ARM_SMMU_CB_ASID(cfg)) << TTBRn_ASID_SHIFT; + smmu_writeq(reg64, cb_base + ARM_SMMU_CB_TTBR0); + + reg64 = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[1]; + reg64 |= ((u64)ARM_SMMU_CB_ASID(cfg)) << TTBRn_ASID_SHIFT; + smmu_writeq(reg64, cb_base + ARM_SMMU_CB_TTBR1); } else { - reg = pgtbl_cfg->arm_lpae_s2_cfg.vttbr; - writel_relaxed(reg, cb_base + ARM_SMMU_CB_TTBR0_LO); - reg = pgtbl_cfg->arm_lpae_s2_cfg.vttbr >> 32; - writel_relaxed(reg, cb_base + ARM_SMMU_CB_TTBR0_HI); + reg64 = pgtbl_cfg->arm_lpae_s2_cfg.vttbr; + smmu_writeq(reg64, cb_base + ARM_SMMU_CB_TTBR0); } /* TTBCR */ @@ -1212,17 +1217,15 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, /* ATS1 registers can only be written atomically */ va = iova & ~0xfffUL; -#ifdef CONFIG_64BIT if (smmu->version == ARM_SMMU_V2) - writeq_relaxed(va, cb_base + ARM_SMMU_CB_ATS1PR); + smmu_writeq(va, cb_base + ARM_SMMU_CB_ATS1PR); else -#endif writel_relaxed(va, cb_base + ARM_SMMU_CB_ATS1PR); if (readl_poll_timeout_atomic(cb_base + ARM_SMMU_CB_ATSR, tmp, !(tmp & ATSR_ACTIVE), 5, 50)) { dev_err(dev, - "iova to phys timed out on 0x%pad. Falling back to software table walk.\n", + "iova to phys timed out on %pad. Falling back to software table walk.\n", &iova); return ops->iova_to_phys(ops, iova); } @@ -1292,33 +1295,25 @@ static void __arm_smmu_release_pci_iommudata(void *data) kfree(data); } -static int arm_smmu_add_pci_device(struct pci_dev *pdev) +static int arm_smmu_init_pci_device(struct pci_dev *pdev, + struct iommu_group *group) { - int i, ret; - u16 sid; - struct iommu_group *group; struct arm_smmu_master_cfg *cfg; - - group = iommu_group_get_for_dev(&pdev->dev); - if (IS_ERR(group)) - return PTR_ERR(group); + u16 sid; + int i; cfg = iommu_group_get_iommudata(group); if (!cfg) { cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); - if (!cfg) { - ret = -ENOMEM; - goto out_put_group; - } + if (!cfg) + return -ENOMEM; iommu_group_set_iommudata(group, cfg, __arm_smmu_release_pci_iommudata); } - if (cfg->num_streamids >= MAX_MASTER_STREAMIDS) { - ret = -ENOSPC; - goto out_put_group; - } + if (cfg->num_streamids >= MAX_MASTER_STREAMIDS) + return -ENOSPC; /* * Assume Stream ID == Requester ID for now. @@ -1334,16 +1329,13 @@ static int arm_smmu_add_pci_device(struct pci_dev *pdev) cfg->streamids[cfg->num_streamids++] = sid; return 0; -out_put_group: - iommu_group_put(group); - return ret; } -static int arm_smmu_add_platform_device(struct device *dev) +static int arm_smmu_init_platform_device(struct device *dev, + struct iommu_group *group) { - struct iommu_group *group; - struct arm_smmu_master *master; struct arm_smmu_device *smmu = find_smmu_for_device(dev); + struct arm_smmu_master *master; if (!smmu) return -ENODEV; @@ -1352,21 +1344,20 @@ static int arm_smmu_add_platform_device(struct device *dev) if (!master) return -ENODEV; - /* No automatic group creation for platform devices */ - group = iommu_group_alloc(); - if (IS_ERR(group)) - return PTR_ERR(group); - iommu_group_set_iommudata(group, &master->cfg, NULL); - return iommu_group_add_device(group, dev); + + return 0; } static int arm_smmu_add_device(struct device *dev) { - if (dev_is_pci(dev)) - return arm_smmu_add_pci_device(to_pci_dev(dev)); + struct iommu_group *group; + + group = iommu_group_get_for_dev(dev); + if (IS_ERR(group)) + return PTR_ERR(group); - return arm_smmu_add_platform_device(dev); + return 0; } static void arm_smmu_remove_device(struct device *dev) @@ -1374,6 +1365,32 @@ static void arm_smmu_remove_device(struct device *dev) iommu_group_remove_device(dev); } +static struct iommu_group *arm_smmu_device_group(struct device *dev) +{ + struct iommu_group *group; + int ret; + + if (dev_is_pci(dev)) + group = pci_device_group(dev); + else + group = generic_device_group(dev); + + if (IS_ERR(group)) + return group; + + if (dev_is_pci(dev)) + ret = arm_smmu_init_pci_device(to_pci_dev(dev), group); + else + ret = arm_smmu_init_platform_device(dev, group); + + if (ret) { + iommu_group_put(group); + group = ERR_PTR(ret); + } + + return group; +} + static int arm_smmu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr attr, void *data) { @@ -1430,6 +1447,7 @@ static struct iommu_ops arm_smmu_ops = { .iova_to_phys = arm_smmu_iova_to_phys, .add_device = arm_smmu_add_device, .remove_device = arm_smmu_remove_device, + .device_group = arm_smmu_device_group, .domain_get_attr = arm_smmu_domain_get_attr, .domain_set_attr = arm_smmu_domain_set_attr, .pgsize_bitmap = -1UL, /* Restricted during device attach */ diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c new file mode 100644 index 000000000000..3a20db4f8604 --- /dev/null +++ b/drivers/iommu/dma-iommu.c @@ -0,0 +1,524 @@ +/* + * A fairly generic DMA-API to IOMMU-API glue layer. + * + * Copyright (C) 2014-2015 ARM Ltd. + * + * based in part on arch/arm/mm/dma-mapping.c: + * Copyright (C) 2000-2004 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/device.h> +#include <linux/dma-iommu.h> +#include <linux/huge_mm.h> +#include <linux/iommu.h> +#include <linux/iova.h> +#include <linux/mm.h> + +int iommu_dma_init(void) +{ + return iova_cache_get(); +} + +/** + * iommu_get_dma_cookie - Acquire DMA-API resources for a domain + * @domain: IOMMU domain to prepare for DMA-API usage + * + * IOMMU drivers should normally call this from their domain_alloc + * callback when domain->type == IOMMU_DOMAIN_DMA. + */ +int iommu_get_dma_cookie(struct iommu_domain *domain) +{ + struct iova_domain *iovad; + + if (domain->iova_cookie) + return -EEXIST; + + iovad = kzalloc(sizeof(*iovad), GFP_KERNEL); + domain->iova_cookie = iovad; + + return iovad ? 0 : -ENOMEM; +} +EXPORT_SYMBOL(iommu_get_dma_cookie); + +/** + * iommu_put_dma_cookie - Release a domain's DMA mapping resources + * @domain: IOMMU domain previously prepared by iommu_get_dma_cookie() + * + * IOMMU drivers should normally call this from their domain_free callback. + */ +void iommu_put_dma_cookie(struct iommu_domain *domain) +{ + struct iova_domain *iovad = domain->iova_cookie; + + if (!iovad) + return; + + put_iova_domain(iovad); + kfree(iovad); + domain->iova_cookie = NULL; +} +EXPORT_SYMBOL(iommu_put_dma_cookie); + +/** + * iommu_dma_init_domain - Initialise a DMA mapping domain + * @domain: IOMMU domain previously prepared by iommu_get_dma_cookie() + * @base: IOVA at which the mappable address space starts + * @size: Size of IOVA space + * + * @base and @size should be exact multiples of IOMMU page granularity to + * avoid rounding surprises. If necessary, we reserve the page at address 0 + * to ensure it is an invalid IOVA. It is safe to reinitialise a domain, but + * any change which could make prior IOVAs invalid will fail. + */ +int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, u64 size) +{ + struct iova_domain *iovad = domain->iova_cookie; + unsigned long order, base_pfn, end_pfn; + + if (!iovad) + return -ENODEV; + + /* Use the smallest supported page size for IOVA granularity */ + order = __ffs(domain->ops->pgsize_bitmap); + base_pfn = max_t(unsigned long, 1, base >> order); + end_pfn = (base + size - 1) >> order; + + /* Check the domain allows at least some access to the device... */ + if (domain->geometry.force_aperture) { + if (base > domain->geometry.aperture_end || + base + size <= domain->geometry.aperture_start) { + pr_warn("specified DMA range outside IOMMU capability\n"); + return -EFAULT; + } + /* ...then finally give it a kicking to make sure it fits */ + base_pfn = max_t(unsigned long, base_pfn, + domain->geometry.aperture_start >> order); + end_pfn = min_t(unsigned long, end_pfn, + domain->geometry.aperture_end >> order); + } + + /* All we can safely do with an existing domain is enlarge it */ + if (iovad->start_pfn) { + if (1UL << order != iovad->granule || + base_pfn != iovad->start_pfn || + end_pfn < iovad->dma_32bit_pfn) { + pr_warn("Incompatible range for DMA domain\n"); + return -EFAULT; + } + iovad->dma_32bit_pfn = end_pfn; + } else { + init_iova_domain(iovad, 1UL << order, base_pfn, end_pfn); + } + return 0; +} +EXPORT_SYMBOL(iommu_dma_init_domain); + +/** + * dma_direction_to_prot - Translate DMA API directions to IOMMU API page flags + * @dir: Direction of DMA transfer + * @coherent: Is the DMA master cache-coherent? + * + * Return: corresponding IOMMU API page protection flags + */ +int dma_direction_to_prot(enum dma_data_direction dir, bool coherent) +{ + int prot = coherent ? IOMMU_CACHE : 0; + + switch (dir) { + case DMA_BIDIRECTIONAL: + return prot | IOMMU_READ | IOMMU_WRITE; + case DMA_TO_DEVICE: + return prot | IOMMU_READ; + case DMA_FROM_DEVICE: + return prot | IOMMU_WRITE; + default: + return 0; + } +} + +static struct iova *__alloc_iova(struct iova_domain *iovad, size_t size, + dma_addr_t dma_limit) +{ + unsigned long shift = iova_shift(iovad); + unsigned long length = iova_align(iovad, size) >> shift; + + /* + * Enforce size-alignment to be safe - there could perhaps be an + * attribute to control this per-device, or at least per-domain... + */ + return alloc_iova(iovad, length, dma_limit >> shift, true); +} + +/* The IOVA allocator knows what we mapped, so just unmap whatever that was */ +static void __iommu_dma_unmap(struct iommu_domain *domain, dma_addr_t dma_addr) +{ + struct iova_domain *iovad = domain->iova_cookie; + unsigned long shift = iova_shift(iovad); + unsigned long pfn = dma_addr >> shift; + struct iova *iova = find_iova(iovad, pfn); + size_t size; + + if (WARN_ON(!iova)) + return; + + size = iova_size(iova) << shift; + size -= iommu_unmap(domain, pfn << shift, size); + /* ...and if we can't, then something is horribly, horribly wrong */ + WARN_ON(size > 0); + __free_iova(iovad, iova); +} + +static void __iommu_dma_free_pages(struct page **pages, int count) +{ + while (count--) + __free_page(pages[count]); + kvfree(pages); +} + +static struct page **__iommu_dma_alloc_pages(unsigned int count, gfp_t gfp) +{ + struct page **pages; + unsigned int i = 0, array_size = count * sizeof(*pages); + + if (array_size <= PAGE_SIZE) + pages = kzalloc(array_size, GFP_KERNEL); + else + pages = vzalloc(array_size); + if (!pages) + return NULL; + + /* IOMMU can map any pages, so himem can also be used here */ + gfp |= __GFP_NOWARN | __GFP_HIGHMEM; + + while (count) { + struct page *page = NULL; + int j, order = __fls(count); + + /* + * Higher-order allocations are a convenience rather + * than a necessity, hence using __GFP_NORETRY until + * falling back to single-page allocations. + */ + for (order = min(order, MAX_ORDER); order > 0; order--) { + page = alloc_pages(gfp | __GFP_NORETRY, order); + if (!page) + continue; + if (PageCompound(page)) { + if (!split_huge_page(page)) + break; + __free_pages(page, order); + } else { + split_page(page, order); + break; + } + } + if (!page) + page = alloc_page(gfp); + if (!page) { + __iommu_dma_free_pages(pages, i); + return NULL; + } + j = 1 << order; + count -= j; + while (j--) + pages[i++] = page++; + } + return pages; +} + +/** + * iommu_dma_free - Free a buffer allocated by iommu_dma_alloc() + * @dev: Device which owns this buffer + * @pages: Array of buffer pages as returned by iommu_dma_alloc() + * @size: Size of buffer in bytes + * @handle: DMA address of buffer + * + * Frees both the pages associated with the buffer, and the array + * describing them + */ +void iommu_dma_free(struct device *dev, struct page **pages, size_t size, + dma_addr_t *handle) +{ + __iommu_dma_unmap(iommu_get_domain_for_dev(dev), *handle); + __iommu_dma_free_pages(pages, PAGE_ALIGN(size) >> PAGE_SHIFT); + *handle = DMA_ERROR_CODE; +} + +/** + * iommu_dma_alloc - Allocate and map a buffer contiguous in IOVA space + * @dev: Device to allocate memory for. Must be a real device + * attached to an iommu_dma_domain + * @size: Size of buffer in bytes + * @gfp: Allocation flags + * @prot: IOMMU mapping flags + * @handle: Out argument for allocated DMA handle + * @flush_page: Arch callback which must ensure PAGE_SIZE bytes from the + * given VA/PA are visible to the given non-coherent device. + * + * If @size is less than PAGE_SIZE, then a full CPU page will be allocated, + * but an IOMMU which supports smaller pages might not map the whole thing. + * + * Return: Array of struct page pointers describing the buffer, + * or NULL on failure. + */ +struct page **iommu_dma_alloc(struct device *dev, size_t size, + gfp_t gfp, int prot, dma_addr_t *handle, + void (*flush_page)(struct device *, const void *, phys_addr_t)) +{ + struct iommu_domain *domain = iommu_get_domain_for_dev(dev); + struct iova_domain *iovad = domain->iova_cookie; + struct iova *iova; + struct page **pages; + struct sg_table sgt; + dma_addr_t dma_addr; + unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; + + *handle = DMA_ERROR_CODE; + + pages = __iommu_dma_alloc_pages(count, gfp); + if (!pages) + return NULL; + + iova = __alloc_iova(iovad, size, dev->coherent_dma_mask); + if (!iova) + goto out_free_pages; + + size = iova_align(iovad, size); + if (sg_alloc_table_from_pages(&sgt, pages, count, 0, size, GFP_KERNEL)) + goto out_free_iova; + + if (!(prot & IOMMU_CACHE)) { + struct sg_mapping_iter miter; + /* + * The CPU-centric flushing implied by SG_MITER_TO_SG isn't + * sufficient here, so skip it by using the "wrong" direction. + */ + sg_miter_start(&miter, sgt.sgl, sgt.orig_nents, SG_MITER_FROM_SG); + while (sg_miter_next(&miter)) + flush_page(dev, miter.addr, page_to_phys(miter.page)); + sg_miter_stop(&miter); + } + + dma_addr = iova_dma_addr(iovad, iova); + if (iommu_map_sg(domain, dma_addr, sgt.sgl, sgt.orig_nents, prot) + < size) + goto out_free_sg; + + *handle = dma_addr; + sg_free_table(&sgt); + return pages; + +out_free_sg: + sg_free_table(&sgt); +out_free_iova: + __free_iova(iovad, iova); +out_free_pages: + __iommu_dma_free_pages(pages, count); + return NULL; +} + +/** + * iommu_dma_mmap - Map a buffer into provided user VMA + * @pages: Array representing buffer from iommu_dma_alloc() + * @size: Size of buffer in bytes + * @vma: VMA describing requested userspace mapping + * + * Maps the pages of the buffer in @pages into @vma. The caller is responsible + * for verifying the correct size and protection of @vma beforehand. + */ + +int iommu_dma_mmap(struct page **pages, size_t size, struct vm_area_struct *vma) +{ + unsigned long uaddr = vma->vm_start; + unsigned int i, count = PAGE_ALIGN(size) >> PAGE_SHIFT; + int ret = -ENXIO; + + for (i = vma->vm_pgoff; i < count && uaddr < vma->vm_end; i++) { + ret = vm_insert_page(vma, uaddr, pages[i]); + if (ret) + break; + uaddr += PAGE_SIZE; + } + return ret; +} + +dma_addr_t iommu_dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, int prot) +{ + dma_addr_t dma_addr; + struct iommu_domain *domain = iommu_get_domain_for_dev(dev); + struct iova_domain *iovad = domain->iova_cookie; + phys_addr_t phys = page_to_phys(page) + offset; + size_t iova_off = iova_offset(iovad, phys); + size_t len = iova_align(iovad, size + iova_off); + struct iova *iova = __alloc_iova(iovad, len, dma_get_mask(dev)); + + if (!iova) + return DMA_ERROR_CODE; + + dma_addr = iova_dma_addr(iovad, iova); + if (iommu_map(domain, dma_addr, phys - iova_off, len, prot)) { + __free_iova(iovad, iova); + return DMA_ERROR_CODE; + } + return dma_addr + iova_off; +} + +void iommu_dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, + enum dma_data_direction dir, struct dma_attrs *attrs) +{ + __iommu_dma_unmap(iommu_get_domain_for_dev(dev), handle); +} + +/* + * Prepare a successfully-mapped scatterlist to give back to the caller. + * Handling IOVA concatenation can come later, if needed + */ +static int __finalise_sg(struct device *dev, struct scatterlist *sg, int nents, + dma_addr_t dma_addr) +{ + struct scatterlist *s; + int i; + + for_each_sg(sg, s, nents, i) { + /* Un-swizzling the fields here, hence the naming mismatch */ + unsigned int s_offset = sg_dma_address(s); + unsigned int s_length = sg_dma_len(s); + unsigned int s_dma_len = s->length; + + s->offset = s_offset; + s->length = s_length; + sg_dma_address(s) = dma_addr + s_offset; + dma_addr += s_dma_len; + } + return i; +} + +/* + * If mapping failed, then just restore the original list, + * but making sure the DMA fields are invalidated. + */ +static void __invalidate_sg(struct scatterlist *sg, int nents) +{ + struct scatterlist *s; + int i; + + for_each_sg(sg, s, nents, i) { + if (sg_dma_address(s) != DMA_ERROR_CODE) + s->offset = sg_dma_address(s); + if (sg_dma_len(s)) + s->length = sg_dma_len(s); + sg_dma_address(s) = DMA_ERROR_CODE; + sg_dma_len(s) = 0; + } +} + +/* + * The DMA API client is passing in a scatterlist which could describe + * any old buffer layout, but the IOMMU API requires everything to be + * aligned to IOMMU pages. Hence the need for this complicated bit of + * impedance-matching, to be able to hand off a suitably-aligned list, + * but still preserve the original offsets and sizes for the caller. + */ +int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg, + int nents, int prot) +{ + struct iommu_domain *domain = iommu_get_domain_for_dev(dev); + struct iova_domain *iovad = domain->iova_cookie; + struct iova *iova; + struct scatterlist *s, *prev = NULL; + dma_addr_t dma_addr; + size_t iova_len = 0; + int i; + + /* + * Work out how much IOVA space we need, and align the segments to + * IOVA granules for the IOMMU driver to handle. With some clever + * trickery we can modify the list in-place, but reversibly, by + * hiding the original data in the as-yet-unused DMA fields. + */ + for_each_sg(sg, s, nents, i) { + size_t s_offset = iova_offset(iovad, s->offset); + size_t s_length = s->length; + + sg_dma_address(s) = s->offset; + sg_dma_len(s) = s_length; + s->offset -= s_offset; + s_length = iova_align(iovad, s_length + s_offset); + s->length = s_length; + + /* + * The simple way to avoid the rare case of a segment + * crossing the boundary mask is to pad the previous one + * to end at a naturally-aligned IOVA for this one's size, + * at the cost of potentially over-allocating a little. + */ + if (prev) { + size_t pad_len = roundup_pow_of_two(s_length); + + pad_len = (pad_len - iova_len) & (pad_len - 1); + prev->length += pad_len; + iova_len += pad_len; + } + + iova_len += s_length; + prev = s; + } + + iova = __alloc_iova(iovad, iova_len, dma_get_mask(dev)); + if (!iova) + goto out_restore_sg; + + /* + * We'll leave any physical concatenation to the IOMMU driver's + * implementation - it knows better than we do. + */ + dma_addr = iova_dma_addr(iovad, iova); + if (iommu_map_sg(domain, dma_addr, sg, nents, prot) < iova_len) + goto out_free_iova; + + return __finalise_sg(dev, sg, nents, dma_addr); + +out_free_iova: + __free_iova(iovad, iova); +out_restore_sg: + __invalidate_sg(sg, nents); + return 0; +} + +void iommu_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction dir, struct dma_attrs *attrs) +{ + /* + * The scatterlist segments are mapped into a single + * contiguous IOVA allocation, so this is incredibly easy. + */ + __iommu_dma_unmap(iommu_get_domain_for_dev(dev), sg_dma_address(sg)); +} + +int iommu_dma_supported(struct device *dev, u64 mask) +{ + /* + * 'Special' IOMMUs which don't have the same addressing capability + * as the CPU will have to wait until we have some way to query that + * before they'll be able to use this framework. + */ + return 1; +} + +int iommu_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return dma_addr == DMA_ERROR_CODE; +} diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c index 1d452930c890..da0e1e30ef37 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -923,7 +923,7 @@ static struct iommu_group *get_pci_device_group(struct pci_dev *pdev) pci_endpt_partioning = check_pci_ctl_endpt_part(pci_ctl); /* We can partition PCIe devices so assign device group to the device */ if (pci_endpt_partioning) { - group = iommu_group_get_for_dev(&pdev->dev); + group = pci_device_group(&pdev->dev); /* * PCIe controller is not a paritionable entity @@ -956,44 +956,34 @@ static struct iommu_group *get_pci_device_group(struct pci_dev *pdev) return group; } -static int fsl_pamu_add_device(struct device *dev) +static struct iommu_group *fsl_pamu_device_group(struct device *dev) { struct iommu_group *group = ERR_PTR(-ENODEV); - struct pci_dev *pdev; - const u32 *prop; - int ret = 0, len; + int len; /* * For platform devices we allocate a separate group for * each of the devices. */ - if (dev_is_pci(dev)) { - pdev = to_pci_dev(dev); - /* Don't create device groups for virtual PCI bridges */ - if (pdev->subordinate) - return 0; + if (dev_is_pci(dev)) + group = get_pci_device_group(to_pci_dev(dev)); + else if (of_get_property(dev->of_node, "fsl,liodn", &len)) + group = get_device_iommu_group(dev); - group = get_pci_device_group(pdev); + return group; +} - } else { - prop = of_get_property(dev->of_node, "fsl,liodn", &len); - if (prop) - group = get_device_iommu_group(dev); - } +static int fsl_pamu_add_device(struct device *dev) +{ + struct iommu_group *group; + group = iommu_group_get_for_dev(dev); if (IS_ERR(group)) return PTR_ERR(group); - /* - * Check if device has already been added to an iommu group. - * Group could have already been created for a PCI device in - * the iommu_group_get_for_dev path. - */ - if (!dev->iommu_group) - ret = iommu_group_add_device(group, dev); - iommu_group_put(group); - return ret; + + return 0; } static void fsl_pamu_remove_device(struct device *dev) @@ -1072,6 +1062,7 @@ static const struct iommu_ops fsl_pamu_ops = { .domain_get_attr = fsl_pamu_get_domain_attr, .add_device = fsl_pamu_add_device, .remove_device = fsl_pamu_remove_device, + .device_group = fsl_pamu_device_group, }; int __init pamu_domain_init(void) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index c5426e847255..16b243ead874 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2116,15 +2116,19 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn, return -ENOMEM; /* It is large page*/ if (largepage_lvl > 1) { + unsigned long nr_superpages, end_pfn; + pteval |= DMA_PTE_LARGE_PAGE; lvl_pages = lvl_to_nr_pages(largepage_lvl); + + nr_superpages = sg_res / lvl_pages; + end_pfn = iov_pfn + nr_superpages * lvl_pages - 1; + /* * Ensure that old small page tables are - * removed to make room for superpage, - * if they exist. + * removed to make room for superpage(s). */ - dma_pte_free_pagetable(domain, iov_pfn, - iov_pfn + lvl_pages - 1); + dma_pte_free_pagetable(domain, iov_pfn, end_pfn); } else { pteval &= ~(uint64_t)DMA_PTE_LARGE_PAGE; } @@ -2302,6 +2306,7 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, if (ret) { spin_unlock_irqrestore(&device_domain_lock, flags); + free_devinfo_mem(info); return NULL; } @@ -3219,6 +3224,8 @@ static struct iova *intel_alloc_iova(struct device *dev, /* Restrict dma_mask to the width that the iommu can handle */ dma_mask = min_t(uint64_t, DOMAIN_MAX_ADDR(domain->gaw), dma_mask); + /* Ensure we reserve the whole size-aligned region */ + nrpages = __roundup_pow_of_two(nrpages); if (!dmar_forcedac && dma_mask > DMA_BIT_MASK(32)) { /* @@ -3735,7 +3742,7 @@ static inline int iommu_devinfo_cache_init(void) static int __init iommu_init_mempool(void) { int ret; - ret = iommu_iova_cache_init(); + ret = iova_cache_get(); if (ret) return ret; @@ -3749,7 +3756,7 @@ static int __init iommu_init_mempool(void) kmem_cache_destroy(iommu_domain_cache); domain_error: - iommu_iova_cache_destroy(); + iova_cache_put(); return -ENOMEM; } @@ -3758,7 +3765,7 @@ static void __init iommu_exit_mempool(void) { kmem_cache_destroy(iommu_devinfo_cache); kmem_cache_destroy(iommu_domain_cache); - iommu_iova_cache_destroy(); + iova_cache_put(); } static void quirk_ioat_snb_local_iommu(struct pci_dev *pdev) @@ -4894,6 +4901,7 @@ static const struct iommu_ops intel_iommu_ops = { .iova_to_phys = intel_iommu_iova_to_phys, .add_device = intel_iommu_add_device, .remove_device = intel_iommu_remove_device, + .device_group = pci_device_group, .pgsize_bitmap = INTEL_IOMMU_PGSIZES, }; diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 73c07482f487..7df97777662d 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -202,9 +202,9 @@ typedef u64 arm_lpae_iopte; static bool selftest_running = false; -static dma_addr_t __arm_lpae_dma_addr(struct device *dev, void *pages) +static dma_addr_t __arm_lpae_dma_addr(void *pages) { - return phys_to_dma(dev, virt_to_phys(pages)); + return (dma_addr_t)virt_to_phys(pages); } static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp, @@ -223,10 +223,10 @@ static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp, goto out_free; /* * We depend on the IOMMU being able to work with any physical - * address directly, so if the DMA layer suggests it can't by - * giving us back some translation, that bodes very badly... + * address directly, so if the DMA layer suggests otherwise by + * translating or truncating them, that bodes very badly... */ - if (dma != __arm_lpae_dma_addr(dev, pages)) + if (dma != virt_to_phys(pages)) goto out_unmap; } @@ -243,10 +243,8 @@ out_free: static void __arm_lpae_free_pages(void *pages, size_t size, struct io_pgtable_cfg *cfg) { - struct device *dev = cfg->iommu_dev; - if (!selftest_running) - dma_unmap_single(dev, __arm_lpae_dma_addr(dev, pages), + dma_unmap_single(cfg->iommu_dev, __arm_lpae_dma_addr(pages), size, DMA_TO_DEVICE); free_pages_exact(pages, size); } @@ -254,12 +252,11 @@ static void __arm_lpae_free_pages(void *pages, size_t size, static void __arm_lpae_set_pte(arm_lpae_iopte *ptep, arm_lpae_iopte pte, struct io_pgtable_cfg *cfg) { - struct device *dev = cfg->iommu_dev; - *ptep = pte; if (!selftest_running) - dma_sync_single_for_device(dev, __arm_lpae_dma_addr(dev, ptep), + dma_sync_single_for_device(cfg->iommu_dev, + __arm_lpae_dma_addr(ptep), sizeof(pte), DMA_TO_DEVICE); } @@ -629,6 +626,11 @@ arm_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg) if (cfg->oas > ARM_LPAE_MAX_ADDR_BITS) return NULL; + if (!selftest_running && cfg->iommu_dev->dma_pfn_offset) { + dev_err(cfg->iommu_dev, "Cannot accommodate DMA offset for IOMMU page tables\n"); + return NULL; + } + data = kmalloc(sizeof(*data), GFP_KERNEL); if (!data) return NULL; diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 049df495c274..abae363c7b9b 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -728,16 +728,35 @@ static int get_pci_alias_or_group(struct pci_dev *pdev, u16 alias, void *opaque) } /* + * Generic device_group call-back function. It just allocates one + * iommu-group per device. + */ +struct iommu_group *generic_device_group(struct device *dev) +{ + struct iommu_group *group; + + group = iommu_group_alloc(); + if (IS_ERR(group)) + return NULL; + + return group; +} + +/* * Use standard PCI bus topology, isolation features, and DMA alias quirks * to find or create an IOMMU group for a device. */ -static struct iommu_group *iommu_group_get_for_pci_dev(struct pci_dev *pdev) +struct iommu_group *pci_device_group(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct group_for_pci_data data; struct pci_bus *bus; struct iommu_group *group = NULL; u64 devfns[4] = { 0 }; + if (WARN_ON(!dev_is_pci(dev))) + return ERR_PTR(-EINVAL); + /* * Find the upstream DMA alias for the device. A device must not * be aliased due to topology in order to have its own IOMMU group. @@ -791,14 +810,6 @@ static struct iommu_group *iommu_group_get_for_pci_dev(struct pci_dev *pdev) if (IS_ERR(group)) return NULL; - /* - * Try to allocate a default domain - needs support from the - * IOMMU driver. - */ - group->default_domain = __iommu_domain_alloc(pdev->dev.bus, - IOMMU_DOMAIN_DMA); - group->domain = group->default_domain; - return group; } @@ -814,6 +825,7 @@ static struct iommu_group *iommu_group_get_for_pci_dev(struct pci_dev *pdev) */ struct iommu_group *iommu_group_get_for_dev(struct device *dev) { + const struct iommu_ops *ops = dev->bus->iommu_ops; struct iommu_group *group; int ret; @@ -821,14 +833,24 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev) if (group) return group; - if (!dev_is_pci(dev)) - return ERR_PTR(-EINVAL); + group = ERR_PTR(-EINVAL); - group = iommu_group_get_for_pci_dev(to_pci_dev(dev)); + if (ops && ops->device_group) + group = ops->device_group(dev); if (IS_ERR(group)) return group; + /* + * Try to allocate a default domain - needs support from the + * IOMMU driver. + */ + if (!group->default_domain) { + group->default_domain = __iommu_domain_alloc(dev->bus, + IOMMU_DOMAIN_DMA); + group->domain = group->default_domain; + } + ret = iommu_group_add_device(group, dev); if (ret) { iommu_group_put(group); diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index b7c3d923f3e1..fa0adef32bd6 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -18,42 +18,9 @@ */ #include <linux/iova.h> +#include <linux/module.h> #include <linux/slab.h> -static struct kmem_cache *iommu_iova_cache; - -int iommu_iova_cache_init(void) -{ - int ret = 0; - - iommu_iova_cache = kmem_cache_create("iommu_iova", - sizeof(struct iova), - 0, - SLAB_HWCACHE_ALIGN, - NULL); - if (!iommu_iova_cache) { - pr_err("Couldn't create iova cache\n"); - ret = -ENOMEM; - } - - return ret; -} - -void iommu_iova_cache_destroy(void) -{ - kmem_cache_destroy(iommu_iova_cache); -} - -struct iova *alloc_iova_mem(void) -{ - return kmem_cache_alloc(iommu_iova_cache, GFP_ATOMIC); -} - -void free_iova_mem(struct iova *iova) -{ - kmem_cache_free(iommu_iova_cache, iova); -} - void init_iova_domain(struct iova_domain *iovad, unsigned long granule, unsigned long start_pfn, unsigned long pfn_32bit) @@ -72,6 +39,7 @@ init_iova_domain(struct iova_domain *iovad, unsigned long granule, iovad->start_pfn = start_pfn; iovad->dma_32bit_pfn = pfn_32bit; } +EXPORT_SYMBOL_GPL(init_iova_domain); static struct rb_node * __get_cached_rbnode(struct iova_domain *iovad, unsigned long *limit_pfn) @@ -120,19 +88,14 @@ __cached_rbnode_delete_update(struct iova_domain *iovad, struct iova *free) } } -/* Computes the padding size required, to make the - * the start address naturally aligned on its size +/* + * Computes the padding size required, to make the start address + * naturally aligned on the power-of-two order of its size */ -static int -iova_get_pad_size(int size, unsigned int limit_pfn) +static unsigned int +iova_get_pad_size(unsigned int size, unsigned int limit_pfn) { - unsigned int pad_size = 0; - unsigned int order = ilog2(size); - - if (order) - pad_size = (limit_pfn + 1) % (1 << order); - - return pad_size; + return (limit_pfn + 1 - size) & (__roundup_pow_of_two(size) - 1); } static int __alloc_and_insert_iova_range(struct iova_domain *iovad, @@ -242,6 +205,57 @@ iova_insert_rbtree(struct rb_root *root, struct iova *iova) rb_insert_color(&iova->node, root); } +static struct kmem_cache *iova_cache; +static unsigned int iova_cache_users; +static DEFINE_MUTEX(iova_cache_mutex); + +struct iova *alloc_iova_mem(void) +{ + return kmem_cache_alloc(iova_cache, GFP_ATOMIC); +} +EXPORT_SYMBOL(alloc_iova_mem); + +void free_iova_mem(struct iova *iova) +{ + kmem_cache_free(iova_cache, iova); +} +EXPORT_SYMBOL(free_iova_mem); + +int iova_cache_get(void) +{ + mutex_lock(&iova_cache_mutex); + if (!iova_cache_users) { + iova_cache = kmem_cache_create( + "iommu_iova", sizeof(struct iova), 0, + SLAB_HWCACHE_ALIGN, NULL); + if (!iova_cache) { + mutex_unlock(&iova_cache_mutex); + printk(KERN_ERR "Couldn't create iova cache\n"); + return -ENOMEM; + } + } + + iova_cache_users++; + mutex_unlock(&iova_cache_mutex); + + return 0; +} +EXPORT_SYMBOL_GPL(iova_cache_get); + +void iova_cache_put(void) +{ + mutex_lock(&iova_cache_mutex); + if (WARN_ON(!iova_cache_users)) { + mutex_unlock(&iova_cache_mutex); + return; + } + iova_cache_users--; + if (!iova_cache_users) + kmem_cache_destroy(iova_cache); + mutex_unlock(&iova_cache_mutex); +} +EXPORT_SYMBOL_GPL(iova_cache_put); + /** * alloc_iova - allocates an iova * @iovad: - iova domain in question @@ -265,12 +279,6 @@ alloc_iova(struct iova_domain *iovad, unsigned long size, if (!new_iova) return NULL; - /* If size aligned is set then round the size to - * to next power of two. - */ - if (size_aligned) - size = __roundup_pow_of_two(size); - ret = __alloc_and_insert_iova_range(iovad, size, limit_pfn, new_iova, size_aligned); @@ -281,6 +289,7 @@ alloc_iova(struct iova_domain *iovad, unsigned long size, return new_iova; } +EXPORT_SYMBOL_GPL(alloc_iova); /** * find_iova - find's an iova for a given pfn @@ -321,6 +330,7 @@ struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn) spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); return NULL; } +EXPORT_SYMBOL_GPL(find_iova); /** * __free_iova - frees the given iova @@ -339,6 +349,7 @@ __free_iova(struct iova_domain *iovad, struct iova *iova) spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); free_iova_mem(iova); } +EXPORT_SYMBOL_GPL(__free_iova); /** * free_iova - finds and frees the iova for a given pfn @@ -356,6 +367,7 @@ free_iova(struct iova_domain *iovad, unsigned long pfn) __free_iova(iovad, iova); } +EXPORT_SYMBOL_GPL(free_iova); /** * put_iova_domain - destroys the iova doamin @@ -378,6 +390,7 @@ void put_iova_domain(struct iova_domain *iovad) } spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); } +EXPORT_SYMBOL_GPL(put_iova_domain); static int __is_range_overlap(struct rb_node *node, @@ -467,6 +480,7 @@ finish: spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); return iova; } +EXPORT_SYMBOL_GPL(reserve_iova); /** * copy_reserved_iova - copies the reserved between domains @@ -493,6 +507,7 @@ copy_reserved_iova(struct iova_domain *from, struct iova_domain *to) } spin_unlock_irqrestore(&from->iova_rbtree_lock, flags); } +EXPORT_SYMBOL_GPL(copy_reserved_iova); struct iova * split_and_remove_iova(struct iova_domain *iovad, struct iova *iova, @@ -534,3 +549,6 @@ error: free_iova_mem(prev); return NULL; } + +MODULE_AUTHOR("Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 36d0033c2ccb..3dc5b65f3990 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -26,6 +26,8 @@ #include <linux/of_iommu.h> #include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/regmap.h> +#include <linux/mfd/syscon.h> #include <asm/cacheflush.h> @@ -112,6 +114,18 @@ void omap_iommu_restore_ctx(struct device *dev) } EXPORT_SYMBOL_GPL(omap_iommu_restore_ctx); +static void dra7_cfg_dspsys_mmu(struct omap_iommu *obj, bool enable) +{ + u32 val, mask; + + if (!obj->syscfg) + return; + + mask = (1 << (obj->id * DSP_SYS_MMU_CONFIG_EN_SHIFT)); + val = enable ? mask : 0; + regmap_update_bits(obj->syscfg, DSP_SYS_MMU_CONFIG, mask, val); +} + static void __iommu_set_twl(struct omap_iommu *obj, bool on) { u32 l = iommu_read_reg(obj, MMU_CNTL); @@ -147,6 +161,8 @@ static int omap2_iommu_enable(struct omap_iommu *obj) iommu_write_reg(obj, pa, MMU_TTB); + dra7_cfg_dspsys_mmu(obj, true); + if (obj->has_bus_err_back) iommu_write_reg(obj, MMU_GP_REG_BUS_ERR_BACK_EN, MMU_GP_REG); @@ -161,6 +177,7 @@ static void omap2_iommu_disable(struct omap_iommu *obj) l &= ~MMU_CNTL_MASK; iommu_write_reg(obj, l, MMU_CNTL); + dra7_cfg_dspsys_mmu(obj, false); dev_dbg(obj->dev, "%s is shutting down\n", obj->name); } @@ -864,6 +881,42 @@ static void omap_iommu_detach(struct omap_iommu *obj) dev_dbg(obj->dev, "%s: %s\n", __func__, obj->name); } +static int omap_iommu_dra7_get_dsp_system_cfg(struct platform_device *pdev, + struct omap_iommu *obj) +{ + struct device_node *np = pdev->dev.of_node; + int ret; + + if (!of_device_is_compatible(np, "ti,dra7-dsp-iommu")) + return 0; + + if (!of_property_read_bool(np, "ti,syscon-mmuconfig")) { + dev_err(&pdev->dev, "ti,syscon-mmuconfig property is missing\n"); + return -EINVAL; + } + + obj->syscfg = + syscon_regmap_lookup_by_phandle(np, "ti,syscon-mmuconfig"); + if (IS_ERR(obj->syscfg)) { + /* can fail with -EPROBE_DEFER */ + ret = PTR_ERR(obj->syscfg); + return ret; + } + + if (of_property_read_u32_index(np, "ti,syscon-mmuconfig", 1, + &obj->id)) { + dev_err(&pdev->dev, "couldn't get the IOMMU instance id within subsystem\n"); + return -EINVAL; + } + + if (obj->id != 0 && obj->id != 1) { + dev_err(&pdev->dev, "invalid IOMMU instance id\n"); + return -EINVAL; + } + + return 0; +} + /* * OMAP Device MMU(IOMMU) detection */ @@ -907,6 +960,10 @@ static int omap_iommu_probe(struct platform_device *pdev) if (IS_ERR(obj->regbase)) return PTR_ERR(obj->regbase); + err = omap_iommu_dra7_get_dsp_system_cfg(pdev, obj); + if (err) + return err; + irq = platform_get_irq(pdev, 0); if (irq < 0) return -ENODEV; @@ -943,6 +1000,7 @@ static const struct of_device_id omap_iommu_of_match[] = { { .compatible = "ti,omap2-iommu" }, { .compatible = "ti,omap4-iommu" }, { .compatible = "ti,dra7-iommu" }, + { .compatible = "ti,dra7-dsp-iommu" }, {}, }; diff --git a/drivers/iommu/omap-iommu.h b/drivers/iommu/omap-iommu.h index a656df2f9e03..59628e5017b4 100644 --- a/drivers/iommu/omap-iommu.h +++ b/drivers/iommu/omap-iommu.h @@ -30,6 +30,7 @@ struct iotlb_entry { struct omap_iommu { const char *name; void __iomem *regbase; + struct regmap *syscfg; struct device *dev; struct iommu_domain *domain; struct dentry *debug_dir; @@ -48,6 +49,7 @@ struct omap_iommu { void *ctx; /* iommu context: registres saved area */ int has_bus_err_back; + u32 id; }; struct cr_regs { @@ -159,6 +161,13 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev) ((pgsz) == MMU_CAM_PGSZ_4K) ? 0xfffff000 : 0) /* + * DSP_SYSTEM registers and bit definitions (applicable only for DRA7xx DSP) + */ +#define DSP_SYS_REVISION 0x00 +#define DSP_SYS_MMU_CONFIG 0x18 +#define DSP_SYS_MMU_CONFIG_EN_SHIFT 4 + +/* * utilities for super page(16MB, 1MB, 64KB and 4KB) */ diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c new file mode 100644 index 000000000000..cbe198cb3699 --- /dev/null +++ b/drivers/iommu/s390-iommu.c @@ -0,0 +1,337 @@ +/* + * IOMMU API for s390 PCI devices + * + * Copyright IBM Corp. 2015 + * Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com> + */ + +#include <linux/pci.h> +#include <linux/iommu.h> +#include <linux/iommu-helper.h> +#include <linux/pci.h> +#include <linux/sizes.h> +#include <asm/pci_dma.h> + +/* + * Physically contiguous memory regions can be mapped with 4 KiB alignment, + * we allow all page sizes that are an order of 4KiB (no special large page + * support so far). + */ +#define S390_IOMMU_PGSIZES (~0xFFFUL) + +struct s390_domain { + struct iommu_domain domain; + struct list_head devices; + unsigned long *dma_table; + spinlock_t dma_table_lock; + spinlock_t list_lock; +}; + +struct s390_domain_device { + struct list_head list; + struct zpci_dev *zdev; +}; + +static struct s390_domain *to_s390_domain(struct iommu_domain *dom) +{ + return container_of(dom, struct s390_domain, domain); +} + +static bool s390_iommu_capable(enum iommu_cap cap) +{ + switch (cap) { + case IOMMU_CAP_CACHE_COHERENCY: + return true; + case IOMMU_CAP_INTR_REMAP: + return true; + default: + return false; + } +} + +struct iommu_domain *s390_domain_alloc(unsigned domain_type) +{ + struct s390_domain *s390_domain; + + if (domain_type != IOMMU_DOMAIN_UNMANAGED) + return NULL; + + s390_domain = kzalloc(sizeof(*s390_domain), GFP_KERNEL); + if (!s390_domain) + return NULL; + + s390_domain->dma_table = dma_alloc_cpu_table(); + if (!s390_domain->dma_table) { + kfree(s390_domain); + return NULL; + } + + spin_lock_init(&s390_domain->dma_table_lock); + spin_lock_init(&s390_domain->list_lock); + INIT_LIST_HEAD(&s390_domain->devices); + + return &s390_domain->domain; +} + +void s390_domain_free(struct iommu_domain *domain) +{ + struct s390_domain *s390_domain = to_s390_domain(domain); + + dma_cleanup_tables(s390_domain->dma_table); + kfree(s390_domain); +} + +static int s390_iommu_attach_device(struct iommu_domain *domain, + struct device *dev) +{ + struct s390_domain *s390_domain = to_s390_domain(domain); + struct zpci_dev *zdev = to_pci_dev(dev)->sysdata; + struct s390_domain_device *domain_device; + unsigned long flags; + int rc; + + if (!zdev) + return -ENODEV; + + domain_device = kzalloc(sizeof(*domain_device), GFP_KERNEL); + if (!domain_device) + return -ENOMEM; + + if (zdev->dma_table) + zpci_dma_exit_device(zdev); + + zdev->dma_table = s390_domain->dma_table; + rc = zpci_register_ioat(zdev, 0, zdev->start_dma + PAGE_OFFSET, + zdev->start_dma + zdev->iommu_size - 1, + (u64) zdev->dma_table); + if (rc) + goto out_restore; + + spin_lock_irqsave(&s390_domain->list_lock, flags); + /* First device defines the DMA range limits */ + if (list_empty(&s390_domain->devices)) { + domain->geometry.aperture_start = zdev->start_dma; + domain->geometry.aperture_end = zdev->end_dma; + domain->geometry.force_aperture = true; + /* Allow only devices with identical DMA range limits */ + } else if (domain->geometry.aperture_start != zdev->start_dma || + domain->geometry.aperture_end != zdev->end_dma) { + rc = -EINVAL; + spin_unlock_irqrestore(&s390_domain->list_lock, flags); + goto out_restore; + } + domain_device->zdev = zdev; + zdev->s390_domain = s390_domain; + list_add(&domain_device->list, &s390_domain->devices); + spin_unlock_irqrestore(&s390_domain->list_lock, flags); + + return 0; + +out_restore: + zpci_dma_init_device(zdev); + kfree(domain_device); + + return rc; +} + +static void s390_iommu_detach_device(struct iommu_domain *domain, + struct device *dev) +{ + struct s390_domain *s390_domain = to_s390_domain(domain); + struct zpci_dev *zdev = to_pci_dev(dev)->sysdata; + struct s390_domain_device *domain_device, *tmp; + unsigned long flags; + int found = 0; + + if (!zdev) + return; + + spin_lock_irqsave(&s390_domain->list_lock, flags); + list_for_each_entry_safe(domain_device, tmp, &s390_domain->devices, + list) { + if (domain_device->zdev == zdev) { + list_del(&domain_device->list); + kfree(domain_device); + found = 1; + break; + } + } + spin_unlock_irqrestore(&s390_domain->list_lock, flags); + + if (found) { + zdev->s390_domain = NULL; + zpci_unregister_ioat(zdev, 0); + zpci_dma_init_device(zdev); + } +} + +static int s390_iommu_add_device(struct device *dev) +{ + struct iommu_group *group; + int rc; + + group = iommu_group_get(dev); + if (!group) { + group = iommu_group_alloc(); + if (IS_ERR(group)) + return PTR_ERR(group); + } + + rc = iommu_group_add_device(group, dev); + iommu_group_put(group); + + return rc; +} + +static void s390_iommu_remove_device(struct device *dev) +{ + struct zpci_dev *zdev = to_pci_dev(dev)->sysdata; + struct iommu_domain *domain; + + /* + * This is a workaround for a scenario where the IOMMU API common code + * "forgets" to call the detach_dev callback: After binding a device + * to vfio-pci and completing the VFIO_SET_IOMMU ioctl (which triggers + * the attach_dev), removing the device via + * "echo 1 > /sys/bus/pci/devices/.../remove" won't trigger detach_dev, + * only remove_device will be called via the BUS_NOTIFY_REMOVED_DEVICE + * notifier. + * + * So let's call detach_dev from here if it hasn't been called before. + */ + if (zdev && zdev->s390_domain) { + domain = iommu_get_domain_for_dev(dev); + if (domain) + s390_iommu_detach_device(domain, dev); + } + + iommu_group_remove_device(dev); +} + +static int s390_iommu_update_trans(struct s390_domain *s390_domain, + unsigned long pa, dma_addr_t dma_addr, + size_t size, int flags) +{ + struct s390_domain_device *domain_device; + u8 *page_addr = (u8 *) (pa & PAGE_MASK); + dma_addr_t start_dma_addr = dma_addr; + unsigned long irq_flags, nr_pages, i; + int rc = 0; + + if (dma_addr < s390_domain->domain.geometry.aperture_start || + dma_addr + size > s390_domain->domain.geometry.aperture_end) + return -EINVAL; + + nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; + if (!nr_pages) + return 0; + + spin_lock_irqsave(&s390_domain->dma_table_lock, irq_flags); + for (i = 0; i < nr_pages; i++) { + dma_update_cpu_trans(s390_domain->dma_table, page_addr, + dma_addr, flags); + page_addr += PAGE_SIZE; + dma_addr += PAGE_SIZE; + } + + spin_lock(&s390_domain->list_lock); + list_for_each_entry(domain_device, &s390_domain->devices, list) { + rc = zpci_refresh_trans((u64) domain_device->zdev->fh << 32, + start_dma_addr, nr_pages * PAGE_SIZE); + if (rc) + break; + } + spin_unlock(&s390_domain->list_lock); + spin_unlock_irqrestore(&s390_domain->dma_table_lock, irq_flags); + + return rc; +} + +static int s390_iommu_map(struct iommu_domain *domain, unsigned long iova, + phys_addr_t paddr, size_t size, int prot) +{ + struct s390_domain *s390_domain = to_s390_domain(domain); + int flags = ZPCI_PTE_VALID, rc = 0; + + if (!(prot & IOMMU_READ)) + return -EINVAL; + + if (!(prot & IOMMU_WRITE)) + flags |= ZPCI_TABLE_PROTECTED; + + rc = s390_iommu_update_trans(s390_domain, (unsigned long) paddr, iova, + size, flags); + + return rc; +} + +static phys_addr_t s390_iommu_iova_to_phys(struct iommu_domain *domain, + dma_addr_t iova) +{ + struct s390_domain *s390_domain = to_s390_domain(domain); + unsigned long *sto, *pto, *rto, flags; + unsigned int rtx, sx, px; + phys_addr_t phys = 0; + + if (iova < domain->geometry.aperture_start || + iova > domain->geometry.aperture_end) + return 0; + + rtx = calc_rtx(iova); + sx = calc_sx(iova); + px = calc_px(iova); + rto = s390_domain->dma_table; + + spin_lock_irqsave(&s390_domain->dma_table_lock, flags); + if (rto && reg_entry_isvalid(rto[rtx])) { + sto = get_rt_sto(rto[rtx]); + if (sto && reg_entry_isvalid(sto[sx])) { + pto = get_st_pto(sto[sx]); + if (pto && pt_entry_isvalid(pto[px])) + phys = pto[px] & ZPCI_PTE_ADDR_MASK; + } + } + spin_unlock_irqrestore(&s390_domain->dma_table_lock, flags); + + return phys; +} + +static size_t s390_iommu_unmap(struct iommu_domain *domain, + unsigned long iova, size_t size) +{ + struct s390_domain *s390_domain = to_s390_domain(domain); + int flags = ZPCI_PTE_INVALID; + phys_addr_t paddr; + int rc; + + paddr = s390_iommu_iova_to_phys(domain, iova); + if (!paddr) + return 0; + + rc = s390_iommu_update_trans(s390_domain, (unsigned long) paddr, iova, + size, flags); + if (rc) + return 0; + + return size; +} + +static struct iommu_ops s390_iommu_ops = { + .capable = s390_iommu_capable, + .domain_alloc = s390_domain_alloc, + .domain_free = s390_domain_free, + .attach_dev = s390_iommu_attach_device, + .detach_dev = s390_iommu_detach_device, + .map = s390_iommu_map, + .unmap = s390_iommu_unmap, + .iova_to_phys = s390_iommu_iova_to_phys, + .add_device = s390_iommu_add_device, + .remove_device = s390_iommu_remove_device, + .pgsize_bitmap = S390_IOMMU_PGSIZES, +}; + +static int __init s390_iommu_init(void) +{ + return bus_set_iommu(&pci_bus_type, &s390_iommu_ops); +} +subsys_initcall(s390_iommu_init); diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 655cb967a1f2..389318a3be82 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -317,6 +317,7 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h, handle_level_irq); } irq_set_probe(virq); + irq_clear_status_flags(virq, IRQ_NOAUTOEN); return 0; } diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c index cf351c637464..a7c8c9ffbafd 100644 --- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c +++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c @@ -62,7 +62,7 @@ static int its_get_pci_alias(struct pci_dev *pdev, u16 alias, void *data) dev_alias->dev_id = alias; if (pdev != dev_alias->pdev) - dev_alias->count += its_pci_msi_vec_count(dev_alias->pdev); + dev_alias->count += its_pci_msi_vec_count(pdev); return 0; } diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index ac7ae2b3cb83..25ceae9f7348 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -719,6 +719,9 @@ static unsigned long *its_lpi_alloc_chunks(int nr_irqs, int *base, int *nr_ids) out: spin_unlock(&lpi_lock); + if (!bitmap) + *base = *nr_ids = 0; + return bitmap; } diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index af2f16bb8a94..aeaa061f0dbf 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -320,6 +320,14 @@ static void gic_handle_shared_int(bool chained) intrmask[i] = gic_read(intrmask_reg); pending_reg += gic_reg_step; intrmask_reg += gic_reg_step; + + if (!config_enabled(CONFIG_64BIT) || mips_cm_is64) + continue; + + pending[i] |= (u64)gic_read(pending_reg) << 32; + intrmask[i] |= (u64)gic_read(intrmask_reg) << 32; + pending_reg += gic_reg_step; + intrmask_reg += gic_reg_step; } bitmap_and(pending, pending, intrmask, gic_shared_intrs); @@ -426,7 +434,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask, spin_lock_irqsave(&gic_lock, flags); /* Re-route this IRQ */ - gic_map_to_vpe(irq, cpumask_first(&tmp)); + gic_map_to_vpe(irq, mips_cm_vp_id(cpumask_first(&tmp))); /* Update the pcpu_masks */ for (i = 0; i < NR_CPUS; i++) @@ -599,7 +607,7 @@ static __init void gic_ipi_init_one(unsigned int intr, int cpu, GIC_SHARED_TO_HWIRQ(intr)); int i; - gic_map_to_vpe(intr, cpu); + gic_map_to_vpe(intr, mips_cm_vp_id(cpu)); for (i = 0; i < NR_CPUS; i++) clear_bit(intr, pcpu_masks[i].pcpu_mask); set_bit(intr, pcpu_masks[cpu].pcpu_mask); diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c index 2fd89eb88f3a..fd88e687791a 100644 --- a/drivers/irqchip/irq-tegra.c +++ b/drivers/irqchip/irq-tegra.c @@ -214,6 +214,7 @@ static struct irq_chip tegra_ictlr_chip = { .irq_unmask = tegra_unmask, .irq_retrigger = tegra_retrigger, .irq_set_wake = tegra_set_wake, + .irq_set_type = irq_chip_set_type_parent, .flags = IRQCHIP_MASK_ON_SUSPEND, #ifdef CONFIG_SMP .irq_set_affinity = irq_chip_set_affinity_parent, diff --git a/drivers/isdn/hisax/isdnl2.c b/drivers/isdn/hisax/isdnl2.c index 18accb0a79cc..c53a53f6efb6 100644 --- a/drivers/isdn/hisax/isdnl2.c +++ b/drivers/isdn/hisax/isdnl2.c @@ -1247,7 +1247,7 @@ static void l2_pull_iqueue(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; - struct sk_buff *skb; + struct sk_buff *skb, *nskb; struct Layer2 *l2 = &st->l2; u_char header[MAX_HEADER_LEN]; int i, hdr_space_needed; @@ -1262,14 +1262,10 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg) return; hdr_space_needed = l2headersize(l2, 0); - if (hdr_space_needed > skb_headroom(skb)) { - struct sk_buff *orig_skb = skb; - - skb = skb_realloc_headroom(skb, hdr_space_needed); - if (!skb) { - dev_kfree_skb(orig_skb); - return; - } + nskb = skb_realloc_headroom(skb, hdr_space_needed); + if (!nskb) { + skb_queue_head(&l2->i_queue, skb); + return; } spin_lock_irqsave(&l2->lock, flags); if (test_bit(FLG_MOD128, &l2->flag)) @@ -1282,7 +1278,7 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg) p1); dev_kfree_skb(l2->windowar[p1]); } - l2->windowar[p1] = skb_clone(skb, GFP_ATOMIC); + l2->windowar[p1] = skb; i = sethdraddr(&st->l2, header, CMD); @@ -1295,8 +1291,8 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg) l2->vs = (l2->vs + 1) % 8; } spin_unlock_irqrestore(&l2->lock, flags); - memcpy(skb_push(skb, i), header, i); - st->l2.l2l1(st, PH_PULL | INDICATION, skb); + memcpy(skb_push(nskb, i), header, i); + st->l2.l2l1(st, PH_PULL | INDICATION, nskb); test_and_clear_bit(FLG_ACK_PEND, &st->l2.flag); if (!test_and_set_bit(FLG_T200_RUN, &st->l2.flag)) { FsmDelTimer(&st->l2.t203, 13); diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c index 949cabb88f1c..5eb380a25903 100644 --- a/drivers/isdn/mISDN/layer2.c +++ b/drivers/isdn/mISDN/layer2.c @@ -1476,7 +1476,7 @@ static void l2_pull_iqueue(struct FsmInst *fi, int event, void *arg) { struct layer2 *l2 = fi->userdata; - struct sk_buff *skb, *nskb, *oskb; + struct sk_buff *skb, *nskb; u_char header[MAX_L2HEADER_LEN]; u_int i, p1; @@ -1486,48 +1486,34 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg) skb = skb_dequeue(&l2->i_queue); if (!skb) return; - - if (test_bit(FLG_MOD128, &l2->flag)) - p1 = (l2->vs - l2->va) % 128; - else - p1 = (l2->vs - l2->va) % 8; - p1 = (p1 + l2->sow) % l2->window; - if (l2->windowar[p1]) { - printk(KERN_WARNING "%s: l2 try overwrite ack queue entry %d\n", - mISDNDevName4ch(&l2->ch), p1); - dev_kfree_skb(l2->windowar[p1]); - } - l2->windowar[p1] = skb; i = sethdraddr(l2, header, CMD); if (test_bit(FLG_MOD128, &l2->flag)) { header[i++] = l2->vs << 1; header[i++] = l2->vr << 1; + } else + header[i++] = (l2->vr << 5) | (l2->vs << 1); + nskb = skb_realloc_headroom(skb, i); + if (!nskb) { + printk(KERN_WARNING "%s: no headroom(%d) copy for IFrame\n", + mISDNDevName4ch(&l2->ch), i); + skb_queue_head(&l2->i_queue, skb); + return; + } + if (test_bit(FLG_MOD128, &l2->flag)) { + p1 = (l2->vs - l2->va) % 128; l2->vs = (l2->vs + 1) % 128; } else { - header[i++] = (l2->vr << 5) | (l2->vs << 1); + p1 = (l2->vs - l2->va) % 8; l2->vs = (l2->vs + 1) % 8; } - - nskb = skb_clone(skb, GFP_ATOMIC); - p1 = skb_headroom(nskb); - if (p1 >= i) - memcpy(skb_push(nskb, i), header, i); - else { - printk(KERN_WARNING - "%s: L2 pull_iqueue skb header(%d/%d) too short\n", - mISDNDevName4ch(&l2->ch), i, p1); - oskb = nskb; - nskb = mI_alloc_skb(oskb->len + i, GFP_ATOMIC); - if (!nskb) { - dev_kfree_skb(oskb); - printk(KERN_WARNING "%s: no skb mem in %s\n", - mISDNDevName4ch(&l2->ch), __func__); - return; - } - memcpy(skb_put(nskb, i), header, i); - memcpy(skb_put(nskb, oskb->len), oskb->data, oskb->len); - dev_kfree_skb(oskb); + p1 = (p1 + l2->sow) % l2->window; + if (l2->windowar[p1]) { + printk(KERN_WARNING "%s: l2 try overwrite ack queue entry %d\n", + mISDNDevName4ch(&l2->ch), p1); + dev_kfree_skb(l2->windowar[p1]); } + l2->windowar[p1] = skb; + memcpy(skb_push(nskb, i), header, i); l2down(l2, PH_DATA_REQ, l2_newid(l2), nskb); test_and_clear_bit(FLG_ACK_PEND, &l2->flag); if (!test_and_set_bit(FLG_T200_RUN, &l2->flag)) { diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c index de36237d7c6b..051645498b53 100644 --- a/drivers/mcb/mcb-pci.c +++ b/drivers/mcb/mcb-pci.c @@ -74,7 +74,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) ret = -ENOTSUPP; dev_err(&pdev->dev, "IO mapped PCI devices are not supported\n"); - goto out_release; + goto out_iounmap; } pci_set_drvdata(pdev, priv); @@ -89,7 +89,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) ret = chameleon_parse_cells(priv->bus, priv->mapbase, priv->base); if (ret < 0) - goto out_iounmap; + goto out_mcb_bus; num_cells = ret; dev_dbg(&pdev->dev, "Found %d cells\n", num_cells); @@ -98,6 +98,8 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; +out_mcb_bus: + mcb_release_bus(priv->bus); out_iounmap: iounmap(priv->base); out_release: diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index e51de52eeb94..48b5890c28e3 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1997,7 +1997,8 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks, if (bitmap->mddev->bitmap_info.offset || bitmap->mddev->bitmap_info.file) ret = bitmap_storage_alloc(&store, chunks, !bitmap->mddev->bitmap_info.external, - bitmap->cluster_slot); + mddev_is_clustered(bitmap->mddev) + ? bitmap->cluster_slot : 0); if (ret) goto err; diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index 20cc36b01b77..0a17d1b91a81 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -634,10 +634,10 @@ static int __commit_transaction(struct dm_cache_metadata *cmd, disk_super = dm_block_data(sblock); + disk_super->flags = cpu_to_le32(cmd->flags); if (mutator) update_flags(disk_super, mutator); - disk_super->flags = cpu_to_le32(cmd->flags); disk_super->mapping_root = cpu_to_le64(cmd->root); disk_super->hint_root = cpu_to_le64(cmd->hint_root); disk_super->discard_root = cpu_to_le64(cmd->discard_root); diff --git a/drivers/md/dm-cache-policy-cleaner.c b/drivers/md/dm-cache-policy-cleaner.c index 240c9f0e85e7..8a096456579b 100644 --- a/drivers/md/dm-cache-policy-cleaner.c +++ b/drivers/md/dm-cache-policy-cleaner.c @@ -436,7 +436,7 @@ static struct dm_cache_policy *wb_create(dm_cblock_t cache_size, static struct dm_cache_policy_type wb_policy_type = { .name = "cleaner", .version = {1, 0, 0}, - .hint_size = 0, + .hint_size = 4, .owner = THIS_MODULE, .create = wb_create }; diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index ebaa4f803eec..192bb8beeb6b 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -203,7 +203,7 @@ int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, return -EINVAL; } - tmp_store = kmalloc(sizeof(*tmp_store), GFP_KERNEL); + tmp_store = kzalloc(sizeof(*tmp_store), GFP_KERNEL); if (!tmp_store) { ti->error = "Exception store allocation failed"; return -ENOMEM; @@ -215,7 +215,7 @@ int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, else if (persistent == 'N') type = get_type("N"); else { - ti->error = "Persistent flag is not P or N"; + ti->error = "Exception store type is not P or N"; r = -EINVAL; goto bad_type; } @@ -233,7 +233,7 @@ int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, if (r) goto bad; - r = type->ctr(tmp_store, 0, NULL); + r = type->ctr(tmp_store, (strlen(argv[0]) > 1 ? &argv[0][1] : NULL)); if (r) { ti->error = "Exception store type constructor failed"; goto bad; diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 0b2536247cf5..fae34e7a0b1e 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -42,8 +42,7 @@ struct dm_exception_store_type { const char *name; struct module *module; - int (*ctr) (struct dm_exception_store *store, - unsigned argc, char **argv); + int (*ctr) (struct dm_exception_store *store, char *options); /* * Destroys this object when you've finished with it. @@ -123,6 +122,8 @@ struct dm_exception_store { unsigned chunk_shift; void *context; + + bool userspace_supports_overflow; }; /* diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 97e165183e79..a0901214aef5 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -329,8 +329,7 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size) */ if (min_region_size > (1 << 13)) { /* If not a power of 2, make it the next power of 2 */ - if (min_region_size & (min_region_size - 1)) - region_size = 1 << fls(region_size); + region_size = roundup_pow_of_two(min_region_size); DMINFO("Choosing default region size of %lu sectors", region_size); } else { diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index bf71583296f7..117a05e40090 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -7,6 +7,7 @@ #include "dm-exception-store.h" +#include <linux/ctype.h> #include <linux/mm.h> #include <linux/pagemap.h> #include <linux/vmalloc.h> @@ -843,10 +844,10 @@ static void persistent_drop_snapshot(struct dm_exception_store *store) DMWARN("write header failed"); } -static int persistent_ctr(struct dm_exception_store *store, - unsigned argc, char **argv) +static int persistent_ctr(struct dm_exception_store *store, char *options) { struct pstore *ps; + int r; /* allocate the pstore */ ps = kzalloc(sizeof(*ps), GFP_KERNEL); @@ -868,14 +869,32 @@ static int persistent_ctr(struct dm_exception_store *store, ps->metadata_wq = alloc_workqueue("ksnaphd", WQ_MEM_RECLAIM, 0); if (!ps->metadata_wq) { - kfree(ps); DMERR("couldn't start header metadata update thread"); - return -ENOMEM; + r = -ENOMEM; + goto err_workqueue; + } + + if (options) { + char overflow = toupper(options[0]); + if (overflow == 'O') + store->userspace_supports_overflow = true; + else { + DMERR("Unsupported persistent store option: %s", options); + r = -EINVAL; + goto err_options; + } } store->context = ps; return 0; + +err_options: + destroy_workqueue(ps->metadata_wq); +err_workqueue: + kfree(ps); + + return r; } static unsigned persistent_status(struct dm_exception_store *store, @@ -888,7 +907,8 @@ static unsigned persistent_status(struct dm_exception_store *store, case STATUSTYPE_INFO: break; case STATUSTYPE_TABLE: - DMEMIT(" P %llu", (unsigned long long)store->chunk_size); + DMEMIT(" %s %llu", store->userspace_supports_overflow ? "PO" : "P", + (unsigned long long)store->chunk_size); } return sz; diff --git a/drivers/md/dm-snap-transient.c b/drivers/md/dm-snap-transient.c index 1ce9a2586e41..9b7c8c8049d6 100644 --- a/drivers/md/dm-snap-transient.c +++ b/drivers/md/dm-snap-transient.c @@ -70,8 +70,7 @@ static void transient_usage(struct dm_exception_store *store, *metadata_sectors = 0; } -static int transient_ctr(struct dm_exception_store *store, - unsigned argc, char **argv) +static int transient_ctr(struct dm_exception_store *store, char *options) { struct transient_c *tc; diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index c0bcd6516dfe..c06b74e91cd6 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1098,7 +1098,7 @@ static void stop_merge(struct dm_snapshot *s) } /* - * Construct a snapshot mapping: <origin_dev> <COW-dev> <p/n> <chunk-size> + * Construct a snapshot mapping: <origin_dev> <COW-dev> <p|po|n> <chunk-size> */ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) { @@ -1302,6 +1302,7 @@ static void __handover_exceptions(struct dm_snapshot *snap_src, u.store_swap = snap_dest->store; snap_dest->store = snap_src->store; + snap_dest->store->userspace_supports_overflow = u.store_swap->userspace_supports_overflow; snap_src->store = u.store_swap; snap_dest->store->snap = snap_dest; @@ -1739,8 +1740,11 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio) pe = __find_pending_exception(s, pe, chunk); if (!pe) { - s->snapshot_overflowed = 1; - DMERR("Snapshot overflowed: Unable to allocate exception."); + if (s->store->userspace_supports_overflow) { + s->snapshot_overflowed = 1; + DMERR("Snapshot overflowed: Unable to allocate exception."); + } else + __invalidate_snapshot(s, -ENOMEM); r = -EIO; goto out_unlock; } @@ -2365,7 +2369,7 @@ static struct target_type origin_target = { static struct target_type snapshot_target = { .name = "snapshot", - .version = {1, 14, 0}, + .version = {1, 15, 0}, .module = THIS_MODULE, .ctr = snapshot_ctr, .dtr = snapshot_dtr, @@ -2379,7 +2383,7 @@ static struct target_type snapshot_target = { static struct target_type merge_target = { .name = dm_snapshot_merge_target_name, - .version = {1, 3, 0}, + .version = {1, 4, 0}, .module = THIS_MODULE, .ctr = snapshot_ctr, .dtr = snapshot_dtr, diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 6fcbfb063366..3897b90bd462 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -3201,7 +3201,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv) metadata_low_callback, pool); if (r) - goto out_free_pt; + goto out_flags_changed; pt->callbacks.congested_fn = pool_is_congested; dm_table_add_target_callbacks(ti->table, &pt->callbacks); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6264781dc69a..1b5c6047e4f1 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1001,6 +1001,7 @@ static void end_clone_bio(struct bio *clone) struct dm_rq_target_io *tio = info->tio; struct bio *bio = info->orig; unsigned int nr_bytes = info->orig->bi_iter.bi_size; + int error = clone->bi_error; bio_put(clone); @@ -1011,13 +1012,13 @@ static void end_clone_bio(struct bio *clone) * the remainder. */ return; - else if (bio->bi_error) { + else if (error) { /* * Don't notice the error to the upper layer yet. * The error handling decision is made by the target driver, * when the request is completed. */ - tio->error = bio->bi_error; + tio->error = error; return; } @@ -2837,8 +2838,6 @@ static void __dm_destroy(struct mapped_device *md, bool wait) might_sleep(); - map = dm_get_live_table(md, &srcu_idx); - spin_lock(&_minor_lock); idr_replace(&_minor_idr, MINOR_ALLOCED, MINOR(disk_devt(dm_disk(md)))); set_bit(DMF_FREEING, &md->flags); @@ -2852,14 +2851,14 @@ static void __dm_destroy(struct mapped_device *md, bool wait) * do not race with internal suspend. */ mutex_lock(&md->suspend_lock); + map = dm_get_live_table(md, &srcu_idx); if (!dm_suspended_md(md)) { dm_table_presuspend_targets(map); dm_table_postsuspend_targets(map); } - mutex_unlock(&md->suspend_lock); - /* dm_put_live_table must be before msleep, otherwise deadlock is possible */ dm_put_live_table(md, srcu_idx); + mutex_unlock(&md->suspend_lock); /* * Rare, but there may be I/O requests still going to complete, diff --git a/drivers/md/md.c b/drivers/md/md.c index 4f5ecbe94ccb..3fe3d04a968a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5409,9 +5409,13 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) * which will now never happen */ wake_up_process(mddev->sync_thread->tsk); + if (mddev->external && test_bit(MD_CHANGE_PENDING, &mddev->flags)) + return -EBUSY; mddev_unlock(mddev); wait_event(resync_wait, !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)); + wait_event(mddev->sb_wait, + !test_bit(MD_CHANGE_PENDING, &mddev->flags)); mddev_lock_nointr(mddev); mutex_lock(&mddev->open_mutex); @@ -8036,8 +8040,7 @@ static int remove_and_add_spares(struct mddev *mddev, !test_bit(Bitmap_sync, &rdev->flags))) continue; - if (rdev->saved_raid_disk < 0) - rdev->recovery_offset = 0; + rdev->recovery_offset = 0; if (mddev->pers-> hot_add_disk(mddev, rdev) == 0) { if (sysfs_link_rdev(mddev, rdev)) @@ -8160,6 +8163,7 @@ void md_check_recovery(struct mddev *mddev) md_reap_sync_thread(mddev); clear_bit(MD_RECOVERY_RECOVER, &mddev->recovery); clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery); + clear_bit(MD_CHANGE_PENDING, &mddev->flags); goto unlock; } diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index d222522c52e0..d132f06afdd1 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -470,8 +470,7 @@ static int multipath_run (struct mddev *mddev) return 0; out_free_conf: - if (conf->pool) - mempool_destroy(conf->pool); + mempool_destroy(conf->pool); kfree(conf->multipaths); kfree(conf); mddev->private = NULL; diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index 421a36c593e3..2e4c4cb79e4d 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -301,11 +301,16 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, { int s; uint32_t max_entries = le32_to_cpu(left->header.max_entries); - unsigned target = (nr_left + nr_center + nr_right) / 3; - BUG_ON(target > max_entries); + unsigned total = nr_left + nr_center + nr_right; + unsigned target_right = total / 3; + unsigned remainder = (target_right * 3) != total; + unsigned target_left = target_right + remainder; + + BUG_ON(target_left > max_entries); + BUG_ON(target_right > max_entries); if (nr_left < nr_right) { - s = nr_left - target; + s = nr_left - target_left; if (s < 0 && nr_center < -s) { /* not enough in central node */ @@ -316,10 +321,10 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, } else shift(left, center, s); - shift(center, right, target - nr_right); + shift(center, right, target_right - nr_right); } else { - s = target - nr_right; + s = target_right - nr_right; if (s > 0 && nr_center < s) { /* not enough in central node */ shift(center, right, nr_center); @@ -329,7 +334,7 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, } else shift(center, right, s); - shift(left, center, nr_left - target); + shift(left, center, nr_left - target_left); } *key_ptr(parent, c->index) = center->keys[0]; diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index b6cec258cc21..0e09aef43998 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -523,7 +523,7 @@ static int btree_split_beneath(struct shadow_spine *s, uint64_t key) r = new_block(s->info, &right); if (r < 0) { - /* FIXME: put left */ + unlock_block(s->info, left); return r; } diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 63e619b2f44e..f8e5db0cb5aa 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -376,12 +376,6 @@ static int raid0_run(struct mddev *mddev) struct md_rdev *rdev; bool discard_supported = false; - rdev_for_each(rdev, mddev) { - disk_stack_limits(mddev->gendisk, rdev->bdev, - rdev->data_offset << 9); - if (blk_queue_discard(bdev_get_queue(rdev->bdev))) - discard_supported = true; - } blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors); blk_queue_max_write_same_sectors(mddev->queue, mddev->chunk_sectors); blk_queue_max_discard_sectors(mddev->queue, mddev->chunk_sectors); @@ -390,6 +384,12 @@ static int raid0_run(struct mddev *mddev) blk_queue_io_opt(mddev->queue, (mddev->chunk_sectors << 9) * mddev->raid_disks); + rdev_for_each(rdev, mddev) { + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); + if (blk_queue_discard(bdev_get_queue(rdev->bdev))) + discard_supported = true; + } if (!discard_supported) queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); else diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 4517f06c41ba..d9d031ede4bf 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -881,8 +881,7 @@ static sector_t wait_barrier(struct r1conf *conf, struct bio *bio) } if (bio && bio_data_dir(bio) == WRITE) { - if (bio->bi_iter.bi_sector >= - conf->mddev->curr_resync_completed) { + if (bio->bi_iter.bi_sector >= conf->next_resync) { if (conf->start_next_window == MaxSector) conf->start_next_window = conf->next_resync + @@ -1516,7 +1515,7 @@ static void close_sync(struct r1conf *conf) conf->r1buf_pool = NULL; spin_lock_irq(&conf->resync_lock); - conf->next_resync = 0; + conf->next_resync = MaxSector - 2 * NEXT_NORMALIO_DISTANCE; conf->start_next_window = MaxSector; conf->current_window_requests += conf->next_window_requests; @@ -2196,7 +2195,7 @@ static int narrow_write_error(struct r1bio *r1_bio, int i) bio_trim(wbio, sector - r1_bio->sector, sectors); wbio->bi_iter.bi_sector += rdev->data_offset; wbio->bi_bdev = rdev->bdev; - if (submit_bio_wait(WRITE, wbio) == 0) + if (submit_bio_wait(WRITE, wbio) < 0) /* failure! */ ok = rdev_set_badblocks(rdev, sector, sectors, 0) @@ -2259,15 +2258,16 @@ static void handle_write_finished(struct r1conf *conf, struct r1bio *r1_bio) rdev_dec_pending(conf->mirrors[m].rdev, conf->mddev); } - if (test_bit(R1BIO_WriteError, &r1_bio->state)) - close_write(r1_bio); if (fail) { spin_lock_irq(&conf->device_lock); list_add(&r1_bio->retry_list, &conf->bio_end_io_list); spin_unlock_irq(&conf->device_lock); md_wakeup_thread(conf->mddev->thread); - } else + } else { + if (test_bit(R1BIO_WriteError, &r1_bio->state)) + close_write(r1_bio); raid_end_bio_io(r1_bio); + } } static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio) @@ -2383,9 +2383,13 @@ static void raid1d(struct md_thread *thread) } spin_unlock_irqrestore(&conf->device_lock, flags); while (!list_empty(&tmp)) { - r1_bio = list_first_entry(&conf->bio_end_io_list, - struct r1bio, retry_list); + r1_bio = list_first_entry(&tmp, struct r1bio, + retry_list); list_del(&r1_bio->retry_list); + if (mddev->degraded) + set_bit(R1BIO_Degraded, &r1_bio->state); + if (test_bit(R1BIO_WriteError, &r1_bio->state)) + close_write(r1_bio); raid_end_bio_io(r1_bio); } } @@ -2843,8 +2847,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) abort: if (conf) { - if (conf->r1bio_pool) - mempool_destroy(conf->r1bio_pool); + mempool_destroy(conf->r1bio_pool); kfree(conf->mirrors); safe_put_page(conf->tmppage); kfree(conf->poolinfo); @@ -2946,8 +2949,7 @@ static void raid1_free(struct mddev *mddev, void *priv) { struct r1conf *conf = priv; - if (conf->r1bio_pool) - mempool_destroy(conf->r1bio_pool); + mempool_destroy(conf->r1bio_pool); kfree(conf->mirrors); safe_put_page(conf->tmppage); kfree(conf->poolinfo); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 0fc33eb88855..96f365968306 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -39,6 +39,7 @@ * far_copies (stored in second byte of layout) * far_offset (stored in bit 16 of layout ) * use_far_sets (stored in bit 17 of layout ) + * use_far_sets_bugfixed (stored in bit 18 of layout ) * * The data to be stored is divided into chunks using chunksize. Each device * is divided into far_copies sections. In each section, chunks are laid out @@ -1497,6 +1498,8 @@ static void status(struct seq_file *seq, struct mddev *mddev) seq_printf(seq, " %d offset-copies", conf->geo.far_copies); else seq_printf(seq, " %d far-copies", conf->geo.far_copies); + if (conf->geo.far_set_size != conf->geo.raid_disks) + seq_printf(seq, " %d devices per set", conf->geo.far_set_size); } seq_printf(seq, " [%d/%d] [", conf->geo.raid_disks, conf->geo.raid_disks - mddev->degraded); @@ -2467,7 +2470,7 @@ static int narrow_write_error(struct r10bio *r10_bio, int i) choose_data_offset(r10_bio, rdev) + (sector - r10_bio->sector)); wbio->bi_bdev = rdev->bdev; - if (submit_bio_wait(WRITE, wbio) == 0) + if (submit_bio_wait(WRITE, wbio) < 0) /* Failure! */ ok = rdev_set_badblocks(rdev, sector, sectors, 0) @@ -2654,16 +2657,17 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) rdev_dec_pending(rdev, conf->mddev); } } - if (test_bit(R10BIO_WriteError, - &r10_bio->state)) - close_write(r10_bio); if (fail) { spin_lock_irq(&conf->device_lock); list_add(&r10_bio->retry_list, &conf->bio_end_io_list); spin_unlock_irq(&conf->device_lock); md_wakeup_thread(conf->mddev->thread); - } else + } else { + if (test_bit(R10BIO_WriteError, + &r10_bio->state)) + close_write(r10_bio); raid_end_bio_io(r10_bio); + } } } @@ -2688,9 +2692,15 @@ static void raid10d(struct md_thread *thread) } spin_unlock_irqrestore(&conf->device_lock, flags); while (!list_empty(&tmp)) { - r10_bio = list_first_entry(&conf->bio_end_io_list, - struct r10bio, retry_list); + r10_bio = list_first_entry(&tmp, struct r10bio, + retry_list); list_del(&r10_bio->retry_list); + if (mddev->degraded) + set_bit(R10BIO_Degraded, &r10_bio->state); + + if (test_bit(R10BIO_WriteError, + &r10_bio->state)) + close_write(r10_bio); raid_end_bio_io(r10_bio); } } @@ -3387,7 +3397,7 @@ static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new) disks = mddev->raid_disks + mddev->delta_disks; break; } - if (layout >> 18) + if (layout >> 19) return -1; if (chunk < (PAGE_SIZE >> 9) || !is_power_of_2(chunk)) @@ -3399,7 +3409,22 @@ static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new) geo->near_copies = nc; geo->far_copies = fc; geo->far_offset = fo; - geo->far_set_size = (layout & (1<<17)) ? disks / fc : disks; + switch (layout >> 17) { + case 0: /* original layout. simple but not always optimal */ + geo->far_set_size = disks; + break; + case 1: /* "improved" layout which was buggy. Hopefully no-one is + * actually using this, but leave code here just in case.*/ + geo->far_set_size = disks/fc; + WARN(geo->far_set_size < fc, + "This RAID10 layout does not provide data safety - please backup and create new array\n"); + break; + case 2: /* "improved" layout fixed to match documentation */ + geo->far_set_size = fc * nc; + break; + default: /* Not a valid layout */ + return -1; + } geo->chunk_mask = chunk - 1; geo->chunk_shift = ffz(~chunk); return nc*fc; @@ -3486,8 +3511,7 @@ static struct r10conf *setup_conf(struct mddev *mddev) printk(KERN_ERR "md/raid10:%s: couldn't allocate memory.\n", mdname(mddev)); if (conf) { - if (conf->r10bio_pool) - mempool_destroy(conf->r10bio_pool); + mempool_destroy(conf->r10bio_pool); kfree(conf->mirrors); safe_put_page(conf->tmppage); kfree(conf); @@ -3682,8 +3706,7 @@ static int run(struct mddev *mddev) out_free_conf: md_unregister_thread(&mddev->thread); - if (conf->r10bio_pool) - mempool_destroy(conf->r10bio_pool); + mempool_destroy(conf->r10bio_pool); safe_put_page(conf->tmppage); kfree(conf->mirrors); kfree(conf); @@ -3696,8 +3719,7 @@ static void raid10_free(struct mddev *mddev, void *priv) { struct r10conf *conf = priv; - if (conf->r10bio_pool) - mempool_destroy(conf->r10bio_pool); + mempool_destroy(conf->r10bio_pool); safe_put_page(conf->tmppage); kfree(conf->mirrors); kfree(conf->mirrors_old); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 15ef2c641b2b..45933c160697 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2271,8 +2271,7 @@ static void shrink_stripes(struct r5conf *conf) drop_one_stripe(conf)) ; - if (conf->slab_cache) - kmem_cache_destroy(conf->slab_cache); + kmem_cache_destroy(conf->slab_cache); conf->slab_cache = NULL; } @@ -3150,6 +3149,8 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, spin_unlock_irq(&sh->stripe_lock); if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags)) wake_up(&conf->wait_for_overlap); + if (bi) + s->to_read--; while (bi && bi->bi_iter.bi_sector < sh->dev[i].sector + STRIPE_SECTORS) { struct bio *nextbi = @@ -3169,6 +3170,8 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, */ clear_bit(R5_LOCKED, &sh->dev[i].flags); } + s->to_write = 0; + s->written = 0; if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state)) if (atomic_dec_and_test(&conf->pending_full_writes)) @@ -3300,7 +3303,7 @@ static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s, */ return 0; - for (i = 0; i < s->failed; i++) { + for (i = 0; i < s->failed && i < 2; i++) { if (fdev[i]->towrite && !test_bit(R5_UPTODATE, &fdev[i]->flags) && !test_bit(R5_OVERWRITE, &fdev[i]->flags)) @@ -3324,7 +3327,7 @@ static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s, sh->sector < sh->raid_conf->mddev->recovery_cp) /* reconstruct-write isn't being forced */ return 0; - for (i = 0; i < s->failed; i++) { + for (i = 0; i < s->failed && i < 2; i++) { if (s->failed_num[i] != sh->pd_idx && s->failed_num[i] != sh->qd_idx && !test_bit(R5_UPTODATE, &fdev[i]->flags) && @@ -3496,6 +3499,7 @@ returnbi: } if (!discard_pending && test_bit(R5_Discard, &sh->dev[sh->pd_idx].flags)) { + int hash; clear_bit(R5_Discard, &sh->dev[sh->pd_idx].flags); clear_bit(R5_UPTODATE, &sh->dev[sh->pd_idx].flags); if (sh->qd_idx >= 0) { @@ -3509,16 +3513,17 @@ returnbi: * no updated data, so remove it from hash list and the stripe * will be reinitialized */ - spin_lock_irq(&conf->device_lock); unhash: + hash = sh->hash_lock_index; + spin_lock_irq(conf->hash_locks + hash); remove_hash(sh); + spin_unlock_irq(conf->hash_locks + hash); if (head_sh->batch_head) { sh = list_first_entry(&sh->batch_list, struct stripe_head, batch_list); if (sh != head_sh) goto unhash; } - spin_unlock_irq(&conf->device_lock); sh = head_sh; if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state)) diff --git a/drivers/media/dvb-frontends/horus3a.h b/drivers/media/dvb-frontends/horus3a.h index b055319d532e..c1e2d1834b78 100644 --- a/drivers/media/dvb-frontends/horus3a.h +++ b/drivers/media/dvb-frontends/horus3a.h @@ -46,8 +46,8 @@ extern struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, const struct horus3a_config *config, struct i2c_adapter *i2c); #else -static inline struct dvb_frontend *horus3a_attach( - const struct cxd2820r_config *config, +static inline struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, + const struct horus3a_config *config, struct i2c_adapter *i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); diff --git a/drivers/media/dvb-frontends/lnbh25.h b/drivers/media/dvb-frontends/lnbh25.h index 69f30e21f6b3..1f329ef05acc 100644 --- a/drivers/media/dvb-frontends/lnbh25.h +++ b/drivers/media/dvb-frontends/lnbh25.h @@ -43,7 +43,7 @@ struct dvb_frontend *lnbh25_attach( struct lnbh25_config *cfg, struct i2c_adapter *i2c); #else -static inline dvb_frontend *lnbh25_attach( +static inline struct dvb_frontend *lnbh25_attach( struct dvb_frontend *fe, struct lnbh25_config *cfg, struct i2c_adapter *i2c) diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index ff31e7a01ca9..feeeb70d841e 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -18,6 +18,27 @@ static struct dvb_frontend_ops m88ds3103_ops; +/* write single register with mask */ +static int m88ds3103_update_bits(struct m88ds3103_dev *dev, + u8 reg, u8 mask, u8 val) +{ + int ret; + u8 tmp; + + /* no need for read if whole reg is written */ + if (mask != 0xff) { + ret = regmap_bulk_read(dev->regmap, reg, &tmp, 1); + if (ret) + return ret; + + val &= mask; + tmp &= ~mask; + val |= tmp; + } + + return regmap_bulk_write(dev->regmap, reg, &val, 1); +} + /* write reg val table using reg addr auto increment */ static int m88ds3103_wr_reg_val_tab(struct m88ds3103_dev *dev, const struct m88ds3103_reg_val *tab, int tab_len) @@ -394,10 +415,10 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe) u8tmp2 = 0x00; /* 0b00 */ break; } - ret = regmap_update_bits(dev->regmap, 0x22, 0xc0, u8tmp1 << 6); + ret = m88ds3103_update_bits(dev, 0x22, 0xc0, u8tmp1 << 6); if (ret) goto err; - ret = regmap_update_bits(dev->regmap, 0x24, 0xc0, u8tmp2 << 6); + ret = m88ds3103_update_bits(dev, 0x24, 0xc0, u8tmp2 << 6); if (ret) goto err; } @@ -455,13 +476,13 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe) if (ret) goto err; } - ret = regmap_update_bits(dev->regmap, 0x9d, 0x08, 0x08); + ret = m88ds3103_update_bits(dev, 0x9d, 0x08, 0x08); if (ret) goto err; ret = regmap_write(dev->regmap, 0xf1, 0x01); if (ret) goto err; - ret = regmap_update_bits(dev->regmap, 0x30, 0x80, 0x80); + ret = m88ds3103_update_bits(dev, 0x30, 0x80, 0x80); if (ret) goto err; } @@ -498,7 +519,7 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe) switch (dev->cfg->ts_mode) { case M88DS3103_TS_SERIAL: case M88DS3103_TS_SERIAL_D7: - ret = regmap_update_bits(dev->regmap, 0x29, 0x20, u8tmp1); + ret = m88ds3103_update_bits(dev, 0x29, 0x20, u8tmp1); if (ret) goto err; u8tmp1 = 0; @@ -567,11 +588,11 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe) if (ret) goto err; - ret = regmap_update_bits(dev->regmap, 0x4d, 0x02, dev->cfg->spec_inv << 1); + ret = m88ds3103_update_bits(dev, 0x4d, 0x02, dev->cfg->spec_inv << 1); if (ret) goto err; - ret = regmap_update_bits(dev->regmap, 0x30, 0x10, dev->cfg->agc_inv << 4); + ret = m88ds3103_update_bits(dev, 0x30, 0x10, dev->cfg->agc_inv << 4); if (ret) goto err; @@ -625,13 +646,13 @@ static int m88ds3103_init(struct dvb_frontend *fe) dev->warm = false; /* wake up device from sleep */ - ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x01); + ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x01); if (ret) goto err; - ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x00); + ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x00); if (ret) goto err; - ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x00); + ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x00); if (ret) goto err; @@ -749,18 +770,18 @@ static int m88ds3103_sleep(struct dvb_frontend *fe) utmp = 0x29; else utmp = 0x27; - ret = regmap_update_bits(dev->regmap, utmp, 0x01, 0x00); + ret = m88ds3103_update_bits(dev, utmp, 0x01, 0x00); if (ret) goto err; /* sleep */ - ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x00); + ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x00); if (ret) goto err; - ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x01); + ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x01); if (ret) goto err; - ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x10); + ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x10); if (ret) goto err; @@ -992,12 +1013,12 @@ static int m88ds3103_set_tone(struct dvb_frontend *fe, } utmp = tone << 7 | dev->cfg->envelope_mode << 5; - ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp); + ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp); if (ret) goto err; utmp = 1 << 2; - ret = regmap_update_bits(dev->regmap, 0xa1, reg_a1_mask, utmp); + ret = m88ds3103_update_bits(dev, 0xa1, reg_a1_mask, utmp); if (ret) goto err; @@ -1047,7 +1068,7 @@ static int m88ds3103_set_voltage(struct dvb_frontend *fe, voltage_dis ^= dev->cfg->lnb_en_pol; utmp = voltage_dis << 1 | voltage_sel << 0; - ret = regmap_update_bits(dev->regmap, 0xa2, 0x03, utmp); + ret = m88ds3103_update_bits(dev, 0xa2, 0x03, utmp); if (ret) goto err; @@ -1080,7 +1101,7 @@ static int m88ds3103_diseqc_send_master_cmd(struct dvb_frontend *fe, } utmp = dev->cfg->envelope_mode << 5; - ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp); + ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp); if (ret) goto err; @@ -1115,12 +1136,12 @@ static int m88ds3103_diseqc_send_master_cmd(struct dvb_frontend *fe, } else { dev_dbg(&client->dev, "diseqc tx timeout\n"); - ret = regmap_update_bits(dev->regmap, 0xa1, 0xc0, 0x40); + ret = m88ds3103_update_bits(dev, 0xa1, 0xc0, 0x40); if (ret) goto err; } - ret = regmap_update_bits(dev->regmap, 0xa2, 0xc0, 0x80); + ret = m88ds3103_update_bits(dev, 0xa2, 0xc0, 0x80); if (ret) goto err; @@ -1152,7 +1173,7 @@ static int m88ds3103_diseqc_send_burst(struct dvb_frontend *fe, } utmp = dev->cfg->envelope_mode << 5; - ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp); + ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp); if (ret) goto err; @@ -1194,12 +1215,12 @@ static int m88ds3103_diseqc_send_burst(struct dvb_frontend *fe, } else { dev_dbg(&client->dev, "diseqc tx timeout\n"); - ret = regmap_update_bits(dev->regmap, 0xa1, 0xc0, 0x40); + ret = m88ds3103_update_bits(dev, 0xa1, 0xc0, 0x40); if (ret) goto err; } - ret = regmap_update_bits(dev->regmap, 0xa2, 0xc0, 0x80); + ret = m88ds3103_update_bits(dev, 0xa2, 0xc0, 0x80); if (ret) goto err; @@ -1435,13 +1456,13 @@ static int m88ds3103_probe(struct i2c_client *client, goto err_kfree; /* sleep */ - ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x00); + ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x00); if (ret) goto err_kfree; - ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x01); + ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x01); if (ret) goto err_kfree; - ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x10); + ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x10); if (ret) goto err_kfree; diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index 81788c5a44d8..821a8f481507 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -502,6 +502,10 @@ static int si2168_init(struct dvb_frontend *fe) /* firmware is in the new format */ for (remaining = fw->size; remaining > 0; remaining -= 17) { len = fw->data[fw->size - remaining]; + if (len > SI2168_ARGLEN) { + ret = -EINVAL; + break; + } memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len); cmd.wlen = len; cmd.rlen = 1; diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c b/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c index f55b3276f28d..56773f3893d4 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_spi.c @@ -80,11 +80,9 @@ irqreturn_t netup_spi_interrupt(struct netup_spi *spi) u16 reg; unsigned long flags; - if (!spi) { - dev_dbg(&spi->master->dev, - "%s(): SPI not initialized\n", __func__); + if (!spi) return IRQ_NONE; - } + spin_lock_irqsave(&spi->lock, flags); reg = readw(&spi->regs->control_stat); if (!(reg & NETUP_SPI_CTRL_IRQ)) { @@ -234,11 +232,9 @@ void netup_spi_release(struct netup_unidvb_dev *ndev) unsigned long flags; struct netup_spi *spi = ndev->spi; - if (!spi) { - dev_dbg(&spi->master->dev, - "%s(): SPI not initialized\n", __func__); + if (!spi) return; - } + spin_lock_irqsave(&spi->lock, flags); reg = readw(&spi->regs->control_stat); writew(reg | NETUP_SPI_CTRL_IRQ, &spi->regs->control_stat); diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c index 486aef50d99b..f922f2e827bc 100644 --- a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c +++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c @@ -1097,7 +1097,7 @@ static int load_slim_core_fw(const struct firmware *fw, void *context) Elf32_Ehdr *ehdr; Elf32_Phdr *phdr; u8 __iomem *dst; - int err, i; + int err = 0, i; if (!fw || !context) return -EINVAL; @@ -1106,7 +1106,7 @@ static int load_slim_core_fw(const struct firmware *fw, void *context) phdr = (Elf32_Phdr *)(fw->data + ehdr->e_phoff); /* go through the available ELF segments */ - for (i = 0; i < ehdr->e_phnum && !err; i++, phdr++) { + for (i = 0; i < ehdr->e_phnum; i++, phdr++) { /* Only consider LOAD segments */ if (phdr->p_type != PT_LOAD) @@ -1192,7 +1192,6 @@ err: static int load_c8sectpfe_fw_step1(struct c8sectpfei *fei) { - int ret; int err; dev_info(fei->dev, "Loading firmware: %s\n", FIRMWARE_MEMDMA); @@ -1207,7 +1206,7 @@ static int load_c8sectpfe_fw_step1(struct c8sectpfei *fei) if (err) { dev_err(fei->dev, "request_firmware_nowait err: %d.\n", err); complete_all(&fei->fw_ack); - return ret; + return err; } return 0; diff --git a/drivers/media/rc/ir-hix5hd2.c b/drivers/media/rc/ir-hix5hd2.c index 1c087cb76815..d0549fba711c 100644 --- a/drivers/media/rc/ir-hix5hd2.c +++ b/drivers/media/rc/ir-hix5hd2.c @@ -257,7 +257,7 @@ static int hix5hd2_ir_probe(struct platform_device *pdev) goto clkerr; if (devm_request_irq(dev, priv->irq, hix5hd2_ir_rx_interrupt, - IRQF_NO_SUSPEND, pdev->name, priv) < 0) { + 0, pdev->name, priv) < 0) { dev_err(dev, "IRQ %d register failed\n", priv->irq); ret = -EINVAL; goto regerr; diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 507382160e5e..ce157edd45fa 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -166,6 +166,10 @@ static int si2157_init(struct dvb_frontend *fe) for (remaining = fw->size; remaining > 0; remaining -= 17) { len = fw->data[fw->size - remaining]; + if (len > SI2157_ARGLEN) { + dev_err(&client->dev, "Bad firmware length\n"); + goto err_release_firmware; + } memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len); cmd.wlen = len; cmd.rlen = 1; diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index c3cac4c12fb3..197a4f2e54d2 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -34,6 +34,14 @@ static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req) unsigned int pipe; u8 requesttype; + mutex_lock(&d->usb_mutex); + + if (req->size > sizeof(dev->buf)) { + dev_err(&d->intf->dev, "too large message %u\n", req->size); + ret = -EINVAL; + goto err_mutex_unlock; + } + if (req->index & CMD_WR_FLAG) { /* write */ memcpy(dev->buf, req->data, req->size); @@ -50,14 +58,17 @@ static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req) dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value, req->index, dev->buf, req->size); if (ret < 0) - goto err; + goto err_mutex_unlock; /* read request, copy returned data to return buf */ if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) memcpy(req->data, dev->buf, req->size); + mutex_unlock(&d->usb_mutex); + return 0; -err: +err_mutex_unlock: + mutex_unlock(&d->usb_mutex); dev_dbg(&d->intf->dev, "failed=%d\n", ret); return ret; } diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h index 9f6115a2ee01..138062960a73 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h @@ -71,7 +71,7 @@ struct rtl28xxu_dev { - u8 buf[28]; + u8 buf[128]; u8 chip_id; u8 tuner; char *tuner_name; diff --git a/drivers/media/v4l2-core/Kconfig b/drivers/media/v4l2-core/Kconfig index 82876a67f144..9beece00869b 100644 --- a/drivers/media/v4l2-core/Kconfig +++ b/drivers/media/v4l2-core/Kconfig @@ -47,7 +47,7 @@ config V4L2_MEM2MEM_DEV # Used by LED subsystem flash drivers config V4L2_FLASH_LED_CLASS tristate "V4L2 flash API for LED flash class devices" - depends on VIDEO_V4L2_SUBDEV_API + depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API depends on LEDS_CLASS_FLASH ---help--- Say Y here to enable V4L2 flash API support for LED flash diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig index c6a644b22af4..6f3154613dc7 100644 --- a/drivers/memory/Kconfig +++ b/drivers/memory/Kconfig @@ -58,12 +58,18 @@ config OMAP_GPMC memory drives like NOR, NAND, OneNAND, SRAM. config OMAP_GPMC_DEBUG - bool + bool "Enable GPMC debug output and skip reset of GPMC during init" depends on OMAP_GPMC help Enables verbose debugging mostly to decode the bootloader provided - timings. Enable this during development to configure devices - connected to the GPMC bus. + timings. To preserve the bootloader provided timings, the reset + of GPMC is skipped during init. Enable this during development to + configure devices connected to the GPMC bus. + + NOTE: In addition to matching the register setup with the bootloader + you also need to match the GPMC FCLK frequency used by the + bootloader or else the GPMC timings won't be identical with the + bootloader timings. config MVEBU_DEVBUS bool "Marvell EBU Device Bus Controller" diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 32ac049f2bc4..6515dfc2b805 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -696,7 +696,6 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t, int div; u32 l; - gpmc_cs_show_timings(cs, "before gpmc_cs_set_timings"); div = gpmc_calc_divider(t->sync_clk); if (div < 0) return div; @@ -1988,6 +1987,7 @@ static int gpmc_probe_generic_child(struct platform_device *pdev, if (ret < 0) goto err; + gpmc_cs_show_timings(cs, "before gpmc_cs_program_settings"); ret = gpmc_cs_program_settings(cs, &gpmc_s); if (ret < 0) goto err; diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h index f28cb28a62f8..2c7f8d7c0595 100644 --- a/drivers/mfd/intel-lpss.h +++ b/drivers/mfd/intel-lpss.h @@ -42,6 +42,8 @@ int intel_lpss_resume(struct device *dev); .thaw = intel_lpss_resume, \ .poweroff = intel_lpss_suspend, \ .restore = intel_lpss_resume, +#else +#define INTEL_LPSS_SLEEP_PM_OPS #endif #define INTEL_LPSS_RUNTIME_PM_OPS \ diff --git a/drivers/mfd/max77843.c b/drivers/mfd/max77843.c index c52162ea3d0a..586098f1b233 100644 --- a/drivers/mfd/max77843.c +++ b/drivers/mfd/max77843.c @@ -80,7 +80,7 @@ static int max77843_chg_init(struct max77693_dev *max77843) if (!max77843->i2c_chg) { dev_err(&max77843->i2c->dev, "Cannot allocate I2C device for Charger\n"); - return PTR_ERR(max77843->i2c_chg); + return -ENODEV; } i2c_set_clientdata(max77843->i2c_chg, max77843); diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index 8af12c884b04..103baf0e0c5b 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -105,6 +105,7 @@ EXPORT_SYMBOL_GPL(cxl_allocate_afu_irqs); void cxl_free_afu_irqs(struct cxl_context *ctx) { + afu_irq_name_free(ctx); cxl_release_irq_ranges(&ctx->irqs, ctx->afu->adapter); } EXPORT_SYMBOL_GPL(cxl_free_afu_irqs); diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c index e762f85ee233..2faa1270d085 100644 --- a/drivers/misc/cxl/context.c +++ b/drivers/misc/cxl/context.c @@ -275,6 +275,9 @@ static void reclaim_ctx(struct rcu_head *rcu) if (ctx->kernelapi) kfree(ctx->mapping); + if (ctx->irq_bitmap) + kfree(ctx->irq_bitmap); + kfree(ctx); } diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index 1c30ef77073d..0cfb9c129f27 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -677,6 +677,7 @@ int cxl_register_serr_irq(struct cxl_afu *afu); void cxl_release_serr_irq(struct cxl_afu *afu); int afu_register_irqs(struct cxl_context *ctx, u32 count); void afu_release_irqs(struct cxl_context *ctx, void *cookie); +void afu_irq_name_free(struct cxl_context *ctx); irqreturn_t cxl_slice_irq_err(int irq, void *data); int cxl_debugfs_init(void); diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c index a30bf285b5bd..7ccd2998be92 100644 --- a/drivers/misc/cxl/file.c +++ b/drivers/misc/cxl/file.c @@ -120,9 +120,16 @@ int afu_release(struct inode *inode, struct file *file) __func__, ctx->pe); cxl_context_detach(ctx); - mutex_lock(&ctx->mapping_lock); - ctx->mapping = NULL; - mutex_unlock(&ctx->mapping_lock); + + /* + * Delete the context's mapping pointer, unless it's created by the + * kernel API, in which case leave it so it can be freed by reclaim_ctx() + */ + if (!ctx->kernelapi) { + mutex_lock(&ctx->mapping_lock); + ctx->mapping = NULL; + mutex_unlock(&ctx->mapping_lock); + } put_device(&ctx->afu->dev); diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c index 583b42afeda2..09a406058c46 100644 --- a/drivers/misc/cxl/irq.c +++ b/drivers/misc/cxl/irq.c @@ -414,7 +414,7 @@ void cxl_release_psl_irq(struct cxl_afu *afu) kfree(afu->psl_irq_name); } -static void afu_irq_name_free(struct cxl_context *ctx) +void afu_irq_name_free(struct cxl_context *ctx) { struct cxl_irq_name *irq_name, *tmp; @@ -524,7 +524,5 @@ void afu_release_irqs(struct cxl_context *ctx, void *cookie) afu_irq_name_free(ctx); cxl_release_irq_ranges(&ctx->irqs, ctx->afu->adapter); - kfree(ctx->irq_bitmap); - ctx->irq_bitmap = NULL; ctx->irq_count = 0; } diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c index b37f2e8004f5..d2e75c88f4d2 100644 --- a/drivers/misc/cxl/native.c +++ b/drivers/misc/cxl/native.c @@ -457,6 +457,7 @@ static int activate_afu_directed(struct cxl_afu *afu) dev_info(&afu->dev, "Activating AFU directed mode\n"); + afu->num_procs = afu->max_procs_virtualised; if (afu->spa == NULL) { if (cxl_alloc_spa(afu)) return -ENOMEM; @@ -468,7 +469,6 @@ static int activate_afu_directed(struct cxl_afu *afu) cxl_p1n_write(afu, CXL_PSL_ID_An, CXL_PSL_ID_An_F | CXL_PSL_ID_An_L); afu->current_mode = CXL_MODE_DIRECTED; - afu->num_procs = afu->max_procs_virtualised; if ((rc = cxl_chardev_m_afu_add(afu))) return rc; diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index a5e977192b61..85761d7eb333 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1035,6 +1035,32 @@ static int cxl_read_vsec(struct cxl *adapter, struct pci_dev *dev) return 0; } +/* + * Workaround a PCIe Host Bridge defect on some cards, that can cause + * malformed Transaction Layer Packet (TLP) errors to be erroneously + * reported. Mask this error in the Uncorrectable Error Mask Register. + * + * The upper nibble of the PSL revision is used to distinguish between + * different cards. The affected ones have it set to 0. + */ +static void cxl_fixup_malformed_tlp(struct cxl *adapter, struct pci_dev *dev) +{ + int aer; + u32 data; + + if (adapter->psl_rev & 0xf000) + return; + if (!(aer = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR))) + return; + pci_read_config_dword(dev, aer + PCI_ERR_UNCOR_MASK, &data); + if (data & PCI_ERR_UNC_MALF_TLP) + if (data & PCI_ERR_UNC_INTN) + return; + data |= PCI_ERR_UNC_MALF_TLP; + data |= PCI_ERR_UNC_INTN; + pci_write_config_dword(dev, aer + PCI_ERR_UNCOR_MASK, data); +} + static int cxl_vsec_looks_ok(struct cxl *adapter, struct pci_dev *dev) { if (adapter->vsec_status & CXL_STATUS_SECOND_PORT) @@ -1134,6 +1160,8 @@ static int cxl_configure_adapter(struct cxl *adapter, struct pci_dev *dev) if ((rc = cxl_vsec_looks_ok(adapter, dev))) return rc; + cxl_fixup_malformed_tlp(adapter, dev); + if ((rc = setup_cxl_bars(dev))) return rc; diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index 8eec887c8f70..6d7c188fb65c 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -1209,7 +1209,7 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) * after the host receives the enum_resp * message clients may be added or removed */ - if (dev->hbm_state <= MEI_HBM_ENUM_CLIENTS && + if (dev->hbm_state <= MEI_HBM_ENUM_CLIENTS || dev->hbm_state >= MEI_HBM_STOPPED) { dev_err(dev->dev, "hbm: add client: state mismatch, [%d, %d]\n", dev->dev_state, dev->hbm_state); diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index b78cf5d403a3..7fc9174d4619 100644 --- a/drivers/mmc/card/mmc_test.c +++ b/drivers/mmc/card/mmc_test.c @@ -2263,15 +2263,12 @@ static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test) /* * eMMC hardware reset. */ -static int mmc_test_hw_reset(struct mmc_test_card *test) +static int mmc_test_reset(struct mmc_test_card *test) { struct mmc_card *card = test->card; struct mmc_host *host = card->host; int err; - if (!mmc_card_mmc(card) || !mmc_can_reset(card)) - return RESULT_UNSUP_CARD; - err = mmc_hw_reset(host); if (!err) return RESULT_OK; @@ -2605,8 +2602,8 @@ static const struct mmc_test_case mmc_test_cases[] = { }, { - .name = "eMMC hardware reset", - .run = mmc_test_hw_reset, + .name = "Reset test", + .run = mmc_test_reset, }, }; diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 0520064dc33b..a3eb20bdcd97 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -134,9 +134,11 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) int err = cmd->error; /* Flag re-tuning needed on CRC errors */ - if (err == -EILSEQ || (mrq->sbc && mrq->sbc->error == -EILSEQ) || + if ((cmd->opcode != MMC_SEND_TUNING_BLOCK && + cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200) && + (err == -EILSEQ || (mrq->sbc && mrq->sbc->error == -EILSEQ) || (mrq->data && mrq->data->error == -EILSEQ) || - (mrq->stop && mrq->stop->error == -EILSEQ)) + (mrq->stop && mrq->stop->error == -EILSEQ))) mmc_retune_needed(host); if (err && cmd->retries && mmc_host_is_spi(host)) { diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index abd933b7029b..5466f25f0281 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -457,7 +457,7 @@ int mmc_of_parse(struct mmc_host *host) 0, &cd_gpio_invert); if (!ret) dev_info(host->parent, "Got CD GPIO\n"); - else if (ret != -ENOENT) + else if (ret != -ENOENT && ret != -ENOSYS) return ret; /* @@ -481,7 +481,7 @@ int mmc_of_parse(struct mmc_host *host) ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &ro_gpio_invert); if (!ret) dev_info(host->parent, "Got WP GPIO\n"); - else if (ret != -ENOENT) + else if (ret != -ENOENT && ret != -ENOSYS) return ret; if (of_property_read_bool(np, "disable-wp")) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index e726903170a8..f6cd995dbe92 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1924,7 +1924,6 @@ EXPORT_SYMBOL(mmc_can_reset); static int mmc_reset(struct mmc_host *host) { struct mmc_card *card = host->card; - u32 status; if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset) return -EOPNOTSUPP; @@ -1937,12 +1936,6 @@ static int mmc_reset(struct mmc_host *host) host->ops->hw_reset(host); - /* If the reset has happened, then a status command will fail */ - if (!mmc_send_status(card, &status)) { - mmc_host_clk_release(host); - return -ENOSYS; - } - /* Set initial state and call mmc_set_ios */ mmc_set_initial_state(host); mmc_host_clk_release(host); diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 781e4db31767..7fb0753abe30 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -182,6 +182,7 @@ struct omap_hsmmc_host { struct clk *fclk; struct clk *dbclk; struct regulator *pbias; + bool pbias_enabled; void __iomem *base; int vqmmc_enabled; resource_size_t mapbase; @@ -328,20 +329,22 @@ static int omap_hsmmc_set_pbias(struct omap_hsmmc_host *host, bool power_on, return ret; } - if (!regulator_is_enabled(host->pbias)) { + if (host->pbias_enabled == 0) { ret = regulator_enable(host->pbias); if (ret) { dev_err(host->dev, "pbias reg enable fail\n"); return ret; } + host->pbias_enabled = 1; } } else { - if (regulator_is_enabled(host->pbias)) { + if (host->pbias_enabled == 1) { ret = regulator_disable(host->pbias); if (ret) { dev_err(host->dev, "pbias reg disable fail\n"); return ret; } + host->pbias_enabled = 0; } } @@ -475,7 +478,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) mmc->supply.vmmc = devm_regulator_get_optional(host->dev, "vmmc"); if (IS_ERR(mmc->supply.vmmc)) { ret = PTR_ERR(mmc->supply.vmmc); - if (ret != -ENODEV) + if ((ret != -ENODEV) && host->dev->of_node) return ret; dev_dbg(host->dev, "unable to get vmmc regulator %ld\n", PTR_ERR(mmc->supply.vmmc)); @@ -490,7 +493,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) mmc->supply.vqmmc = devm_regulator_get_optional(host->dev, "vmmc_aux"); if (IS_ERR(mmc->supply.vqmmc)) { ret = PTR_ERR(mmc->supply.vqmmc); - if (ret != -ENODEV) + if ((ret != -ENODEV) && host->dev->of_node) return ret; dev_dbg(host->dev, "unable to get vmmc_aux regulator %ld\n", PTR_ERR(mmc->supply.vqmmc)); @@ -500,7 +503,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) host->pbias = devm_regulator_get_optional(host->dev, "pbias"); if (IS_ERR(host->pbias)) { ret = PTR_ERR(host->pbias); - if (ret != -ENODEV) + if ((ret != -ENODEV) && host->dev->of_node) return ret; dev_dbg(host->dev, "unable to get pbias regulator %ld\n", PTR_ERR(host->pbias)); @@ -2053,6 +2056,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev) host->base = base + pdata->reg_offset; host->power_mode = MMC_POWER_OFF; host->next_data.cookie = 1; + host->pbias_enabled = 0; host->vqmmc_enabled = 0; ret = omap_hsmmc_gpio_init(mmc, host, pdata); diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 1420f29628c7..8cadd74e8407 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -28,6 +28,7 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/mmc/host.h> +#include <linux/mmc/slot-gpio.h> #include <linux/io.h> #include <linux/regulator/consumer.h> #include <linux/gpio.h> @@ -454,12 +455,8 @@ static int pxamci_get_ro(struct mmc_host *mmc) { struct pxamci_host *host = mmc_priv(mmc); - if (host->pdata && gpio_is_valid(host->pdata->gpio_card_ro)) { - if (host->pdata->gpio_card_ro_invert) - return !gpio_get_value(host->pdata->gpio_card_ro); - else - return gpio_get_value(host->pdata->gpio_card_ro); - } + if (host->pdata && gpio_is_valid(host->pdata->gpio_card_ro)) + return mmc_gpio_get_ro(mmc); if (host->pdata && host->pdata->get_ro) return !!host->pdata->get_ro(mmc_dev(mmc)); /* @@ -551,6 +548,7 @@ static void pxamci_enable_sdio_irq(struct mmc_host *host, int enable) static const struct mmc_host_ops pxamci_ops = { .request = pxamci_request, + .get_cd = mmc_gpio_get_cd, .get_ro = pxamci_get_ro, .set_ios = pxamci_set_ios, .enable_sdio_irq = pxamci_enable_sdio_irq, @@ -790,37 +788,31 @@ static int pxamci_probe(struct platform_device *pdev) gpio_power = host->pdata->gpio_power; } if (gpio_is_valid(gpio_power)) { - ret = gpio_request(gpio_power, "mmc card power"); + ret = devm_gpio_request(&pdev->dev, gpio_power, + "mmc card power"); if (ret) { - dev_err(&pdev->dev, "Failed requesting gpio_power %d\n", gpio_power); + dev_err(&pdev->dev, "Failed requesting gpio_power %d\n", + gpio_power); goto out; } gpio_direction_output(gpio_power, host->pdata->gpio_power_invert); } - if (gpio_is_valid(gpio_ro)) { - ret = gpio_request(gpio_ro, "mmc card read only"); - if (ret) { - dev_err(&pdev->dev, "Failed requesting gpio_ro %d\n", gpio_ro); - goto err_gpio_ro; - } - gpio_direction_input(gpio_ro); + if (gpio_is_valid(gpio_ro)) + ret = mmc_gpio_request_ro(mmc, gpio_ro); + if (ret) { + dev_err(&pdev->dev, "Failed requesting gpio_ro %d\n", gpio_ro); + goto out; + } else { + mmc->caps |= host->pdata->gpio_card_ro_invert ? + MMC_CAP2_RO_ACTIVE_HIGH : 0; } - if (gpio_is_valid(gpio_cd)) { - ret = gpio_request(gpio_cd, "mmc card detect"); - if (ret) { - dev_err(&pdev->dev, "Failed requesting gpio_cd %d\n", gpio_cd); - goto err_gpio_cd; - } - gpio_direction_input(gpio_cd); - ret = request_irq(gpio_to_irq(gpio_cd), pxamci_detect_irq, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "mmc card detect", mmc); - if (ret) { - dev_err(&pdev->dev, "failed to request card detect IRQ\n"); - goto err_request_irq; - } + if (gpio_is_valid(gpio_cd)) + ret = mmc_gpio_request_cd(mmc, gpio_cd, 0); + if (ret) { + dev_err(&pdev->dev, "Failed requesting gpio_cd %d\n", gpio_cd); + goto out; } if (host->pdata && host->pdata->init) @@ -835,13 +827,7 @@ static int pxamci_probe(struct platform_device *pdev) return 0; -err_request_irq: - gpio_free(gpio_cd); -err_gpio_cd: - gpio_free(gpio_ro); -err_gpio_ro: - gpio_free(gpio_power); - out: +out: if (host) { if (host->dma_chan_rx) dma_release_channel(host->dma_chan_rx); @@ -873,14 +859,6 @@ static int pxamci_remove(struct platform_device *pdev) gpio_ro = host->pdata->gpio_card_ro; gpio_power = host->pdata->gpio_power; } - if (gpio_is_valid(gpio_cd)) { - free_irq(gpio_to_irq(gpio_cd), mmc); - gpio_free(gpio_cd); - } - if (gpio_is_valid(gpio_ro)) - gpio_free(gpio_ro); - if (gpio_is_valid(gpio_power)) - gpio_free(gpio_power); if (host->vcc) regulator_put(host->vcc); diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index d1556643a41d..a0f05de5409f 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -43,6 +43,7 @@ static const struct sdhci_ops sdhci_at91_sama5d2_ops = { static const struct sdhci_pltfm_data soc_data_sama5d2 = { .ops = &sdhci_at91_sama5d2_ops, + .quirks2 = SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST, }; static const struct of_device_id sdhci_at91_dt_match[] = { diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index 946d37f94a31..f5edf9d3a18a 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -135,6 +135,7 @@ static int armada_38x_quirks(struct platform_device *pdev, struct sdhci_pxa *pxa = pltfm_host->priv; struct resource *res; + host->quirks &= ~SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN; host->quirks |= SDHCI_QUIRK_MISSING_CAPS; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "conf-sdio3"); @@ -290,6 +291,9 @@ static void pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) uhs == MMC_TIMING_UHS_DDR50) { reg_val &= ~SDIO3_CONF_CLK_INV; reg_val |= SDIO3_CONF_SD_FB_CLK; + } else if (uhs == MMC_TIMING_MMC_HS) { + reg_val &= ~SDIO3_CONF_CLK_INV; + reg_val &= ~SDIO3_CONF_SD_FB_CLK; } else { reg_val |= SDIO3_CONF_CLK_INV; reg_val &= ~SDIO3_CONF_SD_FB_CLK; @@ -398,7 +402,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev) if (of_device_is_compatible(np, "marvell,armada-380-sdhci")) { ret = armada_38x_quirks(pdev, host); if (ret < 0) - goto err_clk_get; + goto err_mbus_win; ret = mv_conf_mbus_windows(pdev, mv_mbus_dram_info()); if (ret < 0) goto err_mbus_win; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 64b7fdbd1a9c..fbc7efdddcb5 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1160,6 +1160,8 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) host->mmc->actual_clock = 0; sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); + if (host->quirks2 & SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST) + mdelay(1); if (clock == 0) return; diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 7c02ff46c8ac..9d4aa31b683a 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -412,6 +412,11 @@ struct sdhci_host { #define SDHCI_QUIRK2_ACMD23_BROKEN (1<<14) /* Broken Clock divider zero in controller */ #define SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN (1<<15) +/* + * When internal clock is disabled, a delay is needed before modifying the + * SD clock frequency or enabling back the internal clock. + */ +#define SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST (1<<16) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index a7b7a6771598..b981b8552e43 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -210,6 +210,16 @@ #define SDXC_IDMAC_DES0_CES BIT(30) /* card error summary */ #define SDXC_IDMAC_DES0_OWN BIT(31) /* 1-idma owns it, 0-host owns it */ +#define SDXC_CLK_400K 0 +#define SDXC_CLK_25M 1 +#define SDXC_CLK_50M 2 +#define SDXC_CLK_50M_DDR 3 + +struct sunxi_mmc_clk_delay { + u32 output; + u32 sample; +}; + struct sunxi_idma_des { u32 config; u32 buf_size; @@ -229,6 +239,7 @@ struct sunxi_mmc_host { struct clk *clk_mmc; struct clk *clk_sample; struct clk *clk_output; + const struct sunxi_mmc_clk_delay *clk_delays; /* irq */ spinlock_t lock; @@ -654,25 +665,19 @@ static int sunxi_mmc_clk_set_rate(struct sunxi_mmc_host *host, /* determine delays */ if (rate <= 400000) { - oclk_dly = 180; - sclk_dly = 42; + oclk_dly = host->clk_delays[SDXC_CLK_400K].output; + sclk_dly = host->clk_delays[SDXC_CLK_400K].sample; } else if (rate <= 25000000) { - oclk_dly = 180; - sclk_dly = 75; + oclk_dly = host->clk_delays[SDXC_CLK_25M].output; + sclk_dly = host->clk_delays[SDXC_CLK_25M].sample; } else if (rate <= 50000000) { if (ios->timing == MMC_TIMING_UHS_DDR50) { - oclk_dly = 60; - sclk_dly = 120; + oclk_dly = host->clk_delays[SDXC_CLK_50M_DDR].output; + sclk_dly = host->clk_delays[SDXC_CLK_50M_DDR].sample; } else { - oclk_dly = 90; - sclk_dly = 150; + oclk_dly = host->clk_delays[SDXC_CLK_50M].output; + sclk_dly = host->clk_delays[SDXC_CLK_50M].sample; } - } else if (rate <= 100000000) { - oclk_dly = 6; - sclk_dly = 24; - } else if (rate <= 200000000) { - oclk_dly = 3; - sclk_dly = 12; } else { return -EINVAL; } @@ -871,6 +876,7 @@ static void sunxi_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) static const struct of_device_id sunxi_mmc_of_match[] = { { .compatible = "allwinner,sun4i-a10-mmc", }, { .compatible = "allwinner,sun5i-a13-mmc", }, + { .compatible = "allwinner,sun9i-a80-mmc", }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, sunxi_mmc_of_match); @@ -884,6 +890,20 @@ static struct mmc_host_ops sunxi_mmc_ops = { .hw_reset = sunxi_mmc_hw_reset, }; +static const struct sunxi_mmc_clk_delay sunxi_mmc_clk_delays[] = { + [SDXC_CLK_400K] = { .output = 180, .sample = 180 }, + [SDXC_CLK_25M] = { .output = 180, .sample = 75 }, + [SDXC_CLK_50M] = { .output = 90, .sample = 120 }, + [SDXC_CLK_50M_DDR] = { .output = 60, .sample = 120 }, +}; + +static const struct sunxi_mmc_clk_delay sun9i_mmc_clk_delays[] = { + [SDXC_CLK_400K] = { .output = 180, .sample = 180 }, + [SDXC_CLK_25M] = { .output = 180, .sample = 75 }, + [SDXC_CLK_50M] = { .output = 150, .sample = 120 }, + [SDXC_CLK_50M_DDR] = { .output = 90, .sample = 120 }, +}; + static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host, struct platform_device *pdev) { @@ -895,6 +915,11 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host, else host->idma_des_size_bits = 16; + if (of_device_is_compatible(np, "allwinner,sun9i-a80-mmc")) + host->clk_delays = sun9i_mmc_clk_delays; + else + host->clk_delays = sunxi_mmc_clk_delays; + ret = mmc_regulator_get_supply(host->mmc); if (ret) { if (ret != -EPROBE_DEFER) diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 2426db88db36..f04445b992f5 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -879,7 +879,7 @@ static void copy_spare(struct mtd_info *mtd, bool bfrom) oob_chunk_size); /* the last chunk */ - memcpy16_toio(&s[oob_chunk_size * sparebuf_size], + memcpy16_toio(&s[i * sparebuf_size], &d[i * oob_chunk_size], host->used_oobsize - i * oob_chunk_size); } diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index f97a58d6aae1..e7d333c162be 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -147,6 +147,10 @@ #define NFC_ECC_MODE GENMASK(15, 12) #define NFC_RANDOM_SEED GENMASK(30, 16) +/* NFC_USER_DATA helper macros */ +#define NFC_BUF_TO_USER_DATA(buf) ((buf)[0] | ((buf)[1] << 8) | \ + ((buf)[2] << 16) | ((buf)[3] << 24)) + #define NFC_DEFAULT_TIMEOUT_MS 1000 #define NFC_SRAM_SIZE 1024 @@ -646,15 +650,9 @@ static int sunxi_nfc_hw_ecc_write_page(struct mtd_info *mtd, offset = layout->eccpos[i * ecc->bytes] - 4 + mtd->writesize; /* Fill OOB data in */ - if (oob_required) { - tmp = 0xffffffff; - memcpy_toio(nfc->regs + NFC_REG_USER_DATA_BASE, &tmp, - 4); - } else { - memcpy_toio(nfc->regs + NFC_REG_USER_DATA_BASE, - chip->oob_poi + offset - mtd->writesize, - 4); - } + writel(NFC_BUF_TO_USER_DATA(chip->oob_poi + + layout->oobfree[i].offset), + nfc->regs + NFC_REG_USER_DATA_BASE); chip->cmdfunc(mtd, NAND_CMD_RNDIN, offset, -1); @@ -784,14 +782,8 @@ static int sunxi_nfc_hw_syndrome_ecc_write_page(struct mtd_info *mtd, offset += ecc->size; /* Fill OOB data in */ - if (oob_required) { - tmp = 0xffffffff; - memcpy_toio(nfc->regs + NFC_REG_USER_DATA_BASE, &tmp, - 4); - } else { - memcpy_toio(nfc->regs + NFC_REG_USER_DATA_BASE, oob, - 4); - } + writel(NFC_BUF_TO_USER_DATA(oob), + nfc->regs + NFC_REG_USER_DATA_BASE); tmp = NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ACCESS_DIR | (1 << 30); @@ -1389,6 +1381,7 @@ static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc) node); nand_release(&chip->mtd); sunxi_nand_ecc_cleanup(&chip->nand.ecc); + list_del(&chip->node); } } diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 5bbd1f094f4e..1fc23e48fe8e 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -926,6 +926,11 @@ static int validate_vid_hdr(const struct ubi_device *ubi, goto bad; } + if (data_size > ubi->leb_size) { + ubi_err(ubi, "bad data_size"); + goto bad; + } + if (vol_type == UBI_VID_STATIC) { /* * Although from high-level point of view static volumes may diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index 80bdd5b88bac..d85c19762160 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -649,6 +649,7 @@ static int init_volumes(struct ubi_device *ubi, if (ubi->corr_peb_count) ubi_err(ubi, "%d PEBs are corrupted and not used", ubi->corr_peb_count); + return -ENOSPC; } ubi->rsvd_pebs += reserved_pebs; ubi->avail_pebs -= reserved_pebs; diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 275d9fb6fe5c..eb4489f9082f 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1601,6 +1601,7 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai) if (ubi->corr_peb_count) ubi_err(ubi, "%d PEBs are corrupted and not used", ubi->corr_peb_count); + err = -ENOSPC; goto out_free; } ubi->avail_pebs -= reserved_pebs; diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c index e5fac368068a..131026fbc2d7 100644 --- a/drivers/net/can/sja1000/peak_pci.c +++ b/drivers/net/can/sja1000/peak_pci.c @@ -87,6 +87,7 @@ static const struct pci_device_id peak_pci_tbl[] = { {PEAK_PCI_VENDOR_ID, PEAK_PC_104P_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, {PEAK_PCI_VENDOR_ID, PEAK_PCI_104E_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, {PEAK_PCI_VENDOR_ID, PEAK_CPCI_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {PEAK_PCI_VENDOR_ID, PEAK_PCIE_OEM_ID, PCI_ANY_ID, PCI_ANY_ID,}, #ifdef CONFIG_CAN_PEAK_PCIEC {PEAK_PCI_VENDOR_ID, PEAK_PCIEC_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, {PEAK_PCI_VENDOR_ID, PEAK_PCIEC34_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index f8baa897d1a0..1f7dd927cc5e 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2051,6 +2051,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port) reg |= PORT_CONTROL_FRAME_ETHER_TYPE_DSA; else reg |= PORT_CONTROL_FRAME_MODE_DSA; + reg |= PORT_CONTROL_FORWARD_UNKNOWN | + PORT_CONTROL_FORWARD_UNKNOWN_MC; } if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) || diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 48ce83e443c2..8d50314ac3eb 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -847,21 +847,25 @@ static int emac_probe(struct platform_device *pdev) if (ndev->irq == -ENXIO) { netdev_err(ndev, "No irq resource\n"); ret = ndev->irq; - goto out; + goto out_iounmap; } db->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(db->clk)) { ret = PTR_ERR(db->clk); - goto out; + goto out_iounmap; } - clk_prepare_enable(db->clk); + ret = clk_prepare_enable(db->clk); + if (ret) { + dev_err(&pdev->dev, "Error couldn't enable clock (%d)\n", ret); + goto out_iounmap; + } ret = sunxi_sram_claim(&pdev->dev); if (ret) { dev_err(&pdev->dev, "Error couldn't map SRAM to device\n"); - goto out; + goto out_clk_disable_unprepare; } db->phy_node = of_parse_phandle(np, "phy", 0); @@ -910,6 +914,10 @@ static int emac_probe(struct platform_device *pdev) out_release_sram: sunxi_sram_release(&pdev->dev); +out_clk_disable_unprepare: + clk_disable_unprepare(db->clk); +out_iounmap: + iounmap(db->membase); out: dev_err(db->dev, "not found (%d).\n", ret); @@ -921,8 +929,12 @@ out: static int emac_remove(struct platform_device *pdev) { struct net_device *ndev = platform_get_drvdata(pdev); + struct emac_board_info *db = netdev_priv(ndev); unregister_netdev(ndev); + sunxi_sram_release(&pdev->dev); + clk_disable_unprepare(db->clk); + iounmap(db->membase); free_netdev(ndev); dev_dbg(&pdev->dev, "released and freed device\n"); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c index 2c063b60db4b..96f485ab612e 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c @@ -327,9 +327,13 @@ void xgbe_debugfs_init(struct xgbe_prv_data *pdata) pdata->debugfs_xpcs_reg = 0; buf = kasprintf(GFP_KERNEL, "amd-xgbe-%s", pdata->netdev->name); + if (!buf) + return; + pdata->xgbe_debugfs = debugfs_create_dir(buf, NULL); if (!pdata->xgbe_debugfs) { netdev_err(pdata->netdev, "debugfs_create_dir failed\n"); + kfree(buf); return; } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index a4473d8ff4fa..f672dba345f7 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1595,7 +1595,7 @@ static void xgbe_dev_xmit(struct xgbe_channel *channel) packet->rdesc_count, 1); /* Make sure ownership is written to the descriptor */ - dma_wmb(); + smp_wmb(); ring->cur = cur_index + 1; if (!packet->skb->xmit_more || diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index aae9d5ecd182..dde0486667e0 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1807,6 +1807,7 @@ static int xgbe_tx_poll(struct xgbe_channel *channel) struct netdev_queue *txq; int processed = 0; unsigned int tx_packets = 0, tx_bytes = 0; + unsigned int cur; DBGPR("-->xgbe_tx_poll\n"); @@ -1814,10 +1815,15 @@ static int xgbe_tx_poll(struct xgbe_channel *channel) if (!ring) return 0; + cur = ring->cur; + + /* Be sure we get ring->cur before accessing descriptor data */ + smp_rmb(); + txq = netdev_get_tx_queue(netdev, channel->queue_index); while ((processed < XGBE_TX_DESC_MAX_PROC) && - (ring->dirty != ring->cur)) { + (ring->dirty != cur)) { rdata = XGBE_GET_DESC_DATA(ring, ring->dirty); rdesc = rdata->rdesc; diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c index a7f2cc3e485e..4183c2abeeeb 100644 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c @@ -2049,7 +2049,7 @@ static void swphy_poll_timer(unsigned long data) for (i = 0; i < priv->num_ports; i++) { struct bcm63xx_enetsw_port *port; - int val, j, up, advertise, lpa, lpa2, speed, duplex, media; + int val, j, up, advertise, lpa, speed, duplex, media; int external_phy = bcm_enet_port_is_rgmii(i); u8 override; @@ -2092,22 +2092,27 @@ static void swphy_poll_timer(unsigned long data) lpa = bcmenet_sw_mdio_read(priv, external_phy, port->phy_id, MII_LPA); - lpa2 = bcmenet_sw_mdio_read(priv, external_phy, port->phy_id, - MII_STAT1000); - /* figure out media and duplex from advertise and LPA values */ media = mii_nway_result(lpa & advertise); duplex = (media & ADVERTISE_FULL) ? 1 : 0; - if (lpa2 & LPA_1000FULL) - duplex = 1; - - if (lpa2 & (LPA_1000FULL | LPA_1000HALF)) - speed = 1000; - else { - if (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)) - speed = 100; - else - speed = 10; + + if (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)) + speed = 100; + else + speed = 10; + + if (val & BMSR_ESTATEN) { + advertise = bcmenet_sw_mdio_read(priv, external_phy, + port->phy_id, MII_CTRL1000); + + lpa = bcmenet_sw_mdio_read(priv, external_phy, + port->phy_id, MII_STAT1000); + + if (advertise & (ADVERTISE_1000FULL | ADVERTISE_1000HALF) + && lpa & (LPA_1000FULL | LPA_1000HALF)) { + speed = 1000; + duplex = (lpa & LPA_1000FULL); + } } dev_info(&priv->pdev->dev, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index aeb7ce64452e..be628bd9fb18 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -3351,6 +3351,13 @@ static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info) udp_rss_requested = 0; else return -EINVAL; + + if (CHIP_IS_E1x(bp) && udp_rss_requested) { + DP(BNX2X_MSG_ETHTOOL, + "57710, 57711 boards don't support RSS according to UDP 4-tuple\n"); + return -EINVAL; + } + if ((info->flow_type == UDP_V4_FLOW) && (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) { bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 3bc701e4c59e..1805541b4240 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1683,6 +1683,24 @@ static void bcmgenet_intr_disable(struct bcmgenet_priv *priv) bcmgenet_intrl2_1_writel(priv, 0, INTRL2_CPU_MASK_CLEAR); } +static void bcmgenet_link_intr_enable(struct bcmgenet_priv *priv) +{ + u32 int0_enable = 0; + + /* Monitor cable plug/unplugged event for internal PHY, external PHY + * and MoCA PHY + */ + if (priv->internal_phy) { + int0_enable |= UMAC_IRQ_LINK_EVENT; + } else if (priv->ext_phy) { + int0_enable |= UMAC_IRQ_LINK_EVENT; + } else if (priv->phy_interface == PHY_INTERFACE_MODE_MOCA) { + if (priv->hw_params->flags & GENET_HAS_MOCA_LINK_DET) + int0_enable |= UMAC_IRQ_LINK_EVENT; + } + bcmgenet_intrl2_0_writel(priv, int0_enable, INTRL2_CPU_MASK_CLEAR); +} + static int init_umac(struct bcmgenet_priv *priv) { struct device *kdev = &priv->pdev->dev; @@ -1723,15 +1741,8 @@ static int init_umac(struct bcmgenet_priv *priv) /* Enable Tx default queue 16 interrupts */ int0_enable |= UMAC_IRQ_TXDMA_DONE; - /* Monitor cable plug/unplugged event for internal PHY */ - if (priv->internal_phy) { - int0_enable |= UMAC_IRQ_LINK_EVENT; - } else if (priv->ext_phy) { - int0_enable |= UMAC_IRQ_LINK_EVENT; - } else if (priv->phy_interface == PHY_INTERFACE_MODE_MOCA) { - if (priv->hw_params->flags & GENET_HAS_MOCA_LINK_DET) - int0_enable |= UMAC_IRQ_LINK_EVENT; - + /* Configure backpressure vectors for MoCA */ + if (priv->phy_interface == PHY_INTERFACE_MODE_MOCA) { reg = bcmgenet_bp_mc_get(priv); reg |= BIT(priv->hw_params->bp_in_en_shift); @@ -2645,6 +2656,9 @@ static void bcmgenet_netif_start(struct net_device *dev) netif_tx_start_all_queues(dev); + /* Monitor link interrupts now */ + bcmgenet_link_intr_enable(priv); + phy_start(priv->phydev); } diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c index b7a0f7879de2..9e59663a6ead 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c @@ -1543,7 +1543,7 @@ bfa_flash_cmd_act_check(void __iomem *pci_bar) } /* Flush FLI data fifo. */ -static u32 +static int bfa_flash_fifo_flush(void __iomem *pci_bar) { u32 i; @@ -1573,11 +1573,11 @@ bfa_flash_fifo_flush(void __iomem *pci_bar) } /* Read flash status. */ -static u32 +static int bfa_flash_status_read(void __iomem *pci_bar) { union bfa_flash_dev_status_reg dev_status; - u32 status; + int status; u32 ret_status; int i; @@ -1611,11 +1611,11 @@ bfa_flash_status_read(void __iomem *pci_bar) } /* Start flash read operation. */ -static u32 +static int bfa_flash_read_start(void __iomem *pci_bar, u32 offset, u32 len, char *buf) { - u32 status; + int status; /* len must be mutiple of 4 and not exceeding fifo size */ if (len == 0 || len > BFA_FLASH_FIFO_SIZE || (len & 0x03) != 0) @@ -1703,7 +1703,8 @@ static enum bfa_status bfa_flash_raw_read(void __iomem *pci_bar, u32 offset, char *buf, u32 len) { - u32 n, status; + u32 n; + int status; u32 off, l, s, residue, fifo_sz; residue = len; diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig index 9b35d142f47a..8fb84e69c30e 100644 --- a/drivers/net/ethernet/cavium/Kconfig +++ b/drivers/net/ethernet/cavium/Kconfig @@ -3,7 +3,7 @@ # config NET_VENDOR_CAVIUM - tristate "Cavium ethernet drivers" + bool "Cavium ethernet drivers" depends on PCI default y ---help--- diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index b3a5947a2cc0..c561fdcb79a7 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -22,7 +22,6 @@ struct nicpf { struct pci_dev *pdev; - u8 rev_id; u8 node; unsigned int flags; u8 num_vf_en; /* No of VF enabled */ @@ -44,6 +43,7 @@ struct nicpf { u8 duplex[MAX_LMAC]; u32 speed[MAX_LMAC]; u16 cpi_base[MAX_NUM_VFS_SUPPORTED]; + u16 rssi_base[MAX_NUM_VFS_SUPPORTED]; u16 rss_ind_tbl_size; bool mbx_lock[MAX_NUM_VFS_SUPPORTED]; @@ -54,6 +54,11 @@ struct nicpf { bool irq_allocated[NIC_PF_MSIX_VECTORS]; }; +static inline bool pass1_silicon(struct nicpf *nic) +{ + return nic->pdev->revision < 8; +} + /* Supported devices */ static const struct pci_device_id nic_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_THUNDER_NIC_PF) }, @@ -117,7 +122,7 @@ static void nic_send_msg_to_vf(struct nicpf *nic, int vf, union nic_mbx *mbx) * when PF writes to MBOX(1), in next revisions when * PF writes to MBOX(0) */ - if (nic->rev_id == 0) { + if (pass1_silicon(nic)) { /* see the comment for nic_reg_write()/nic_reg_read() * functions above */ @@ -305,9 +310,6 @@ static void nic_init_hw(struct nicpf *nic) { int i; - /* Reset NIC, in case the driver is repeatedly inserted and removed */ - nic_reg_write(nic, NIC_PF_SOFT_RESET, 1); - /* Enable NIC HW block */ nic_reg_write(nic, NIC_PF_CFG, 0x3); @@ -395,8 +397,18 @@ static void nic_config_cpi(struct nicpf *nic, struct cpi_cfg_msg *cfg) padd = cpi % 8; /* 3 bits CS out of 6bits DSCP */ /* Leave RSS_SIZE as '0' to disable RSS */ - nic_reg_write(nic, NIC_PF_CPI_0_2047_CFG | (cpi << 3), - (vnic << 24) | (padd << 16) | (rssi_base + rssi)); + if (pass1_silicon(nic)) { + nic_reg_write(nic, NIC_PF_CPI_0_2047_CFG | (cpi << 3), + (vnic << 24) | (padd << 16) | + (rssi_base + rssi)); + } else { + /* Set MPI_ALG to '0' to disable MCAM parsing */ + nic_reg_write(nic, NIC_PF_CPI_0_2047_CFG | (cpi << 3), + (padd << 16)); + /* MPI index is same as CPI if MPI_ALG is not enabled */ + nic_reg_write(nic, NIC_PF_MPI_0_2047_CFG | (cpi << 3), + (vnic << 24) | (rssi_base + rssi)); + } if ((rssi + 1) >= cfg->rq_cnt) continue; @@ -409,6 +421,7 @@ static void nic_config_cpi(struct nicpf *nic, struct cpi_cfg_msg *cfg) rssi = ((cpi - cpi_base) & 0x38) >> 3; } nic->cpi_base[cfg->vf_id] = cpi_base; + nic->rssi_base[cfg->vf_id] = rssi_base; } /* Responsds to VF with its RSS indirection table size */ @@ -434,10 +447,9 @@ static void nic_config_rss(struct nicpf *nic, struct rss_cfg_msg *cfg) { u8 qset, idx = 0; u64 cpi_cfg, cpi_base, rssi_base, rssi; + u64 idx_addr; - cpi_base = nic->cpi_base[cfg->vf_id]; - cpi_cfg = nic_reg_read(nic, NIC_PF_CPI_0_2047_CFG | (cpi_base << 3)); - rssi_base = (cpi_cfg & 0x0FFF) + cfg->tbl_offset; + rssi_base = nic->rssi_base[cfg->vf_id] + cfg->tbl_offset; rssi = rssi_base; qset = cfg->vf_id; @@ -454,9 +466,15 @@ static void nic_config_rss(struct nicpf *nic, struct rss_cfg_msg *cfg) idx++; } + cpi_base = nic->cpi_base[cfg->vf_id]; + if (pass1_silicon(nic)) + idx_addr = NIC_PF_CPI_0_2047_CFG; + else + idx_addr = NIC_PF_MPI_0_2047_CFG; + cpi_cfg = nic_reg_read(nic, idx_addr | (cpi_base << 3)); cpi_cfg &= ~(0xFULL << 20); cpi_cfg |= (cfg->hash_bits << 20); - nic_reg_write(nic, NIC_PF_CPI_0_2047_CFG | (cpi_base << 3), cpi_cfg); + nic_reg_write(nic, idx_addr | (cpi_base << 3), cpi_cfg); } /* 4 level transmit side scheduler configutation @@ -1001,8 +1019,6 @@ static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_release_regions; } - pci_read_config_byte(pdev, PCI_REVISION_ID, &nic->rev_id); - nic->node = nic_get_node_id(pdev); nic_set_lmac_vf_mapping(nic); diff --git a/drivers/net/ethernet/cavium/thunder/nic_reg.h b/drivers/net/ethernet/cavium/thunder/nic_reg.h index 58197bb2f805..dd536be20193 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_reg.h +++ b/drivers/net/ethernet/cavium/thunder/nic_reg.h @@ -85,7 +85,11 @@ #define NIC_PF_ECC3_DBE_INT_W1S (0x2708) #define NIC_PF_ECC3_DBE_ENA_W1C (0x2710) #define NIC_PF_ECC3_DBE_ENA_W1S (0x2718) +#define NIC_PF_MCAM_0_191_ENA (0x100000) +#define NIC_PF_MCAM_0_191_M_0_5_DATA (0x110000) +#define NIC_PF_MCAM_CTRL (0x120000) #define NIC_PF_CPI_0_2047_CFG (0x200000) +#define NIC_PF_MPI_0_2047_CFG (0x210000) #define NIC_PF_RSSI_0_4097_RQ (0x220000) #define NIC_PF_LMAC_0_7_CFG (0x240000) #define NIC_PF_LMAC_0_7_SW_XOFF (0x242000) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index b63e579aeb12..a9377727c11c 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -29,7 +29,7 @@ static const struct pci_device_id nicvf_id_table[] = { { PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_THUNDER_NIC_VF, - PCI_VENDOR_ID_CAVIUM, 0xA11E) }, + PCI_VENDOR_ID_CAVIUM, 0xA134) }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_THUNDER_PASS1_NIC_VF, PCI_VENDOR_ID_CAVIUM, 0xA11E) }, diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 574c49278900..180aa9fabf48 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -977,8 +977,10 @@ static int bgx_init_of_phy(struct bgx *bgx) SET_NETDEV_DEV(&bgx->lmac[lmac].netdev, &bgx->pdev->dev); bgx->lmac[lmac].lmacid = lmac; lmac++; - if (lmac == MAX_LMAC_PER_BGX) + if (lmac == MAX_LMAC_PER_BGX) { + of_node_put(np_child); break; + } } return 0; } diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 821540913343..d463563e1f70 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -592,6 +592,7 @@ struct be_adapter { int be_get_temp_freq; struct be_hwmon hwmon_info; u8 pf_number; + u8 pci_func_num; struct rss_info rss_info; /* Filters for packets that need to be sent to BMC */ u32 bmc_filt_mask; diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index eb323913cd39..1795c935ff02 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -851,8 +851,10 @@ static int be_cmd_notify_wait(struct be_adapter *adapter, return status; dest_wrb = be_cmd_copy(adapter, wrb); - if (!dest_wrb) - return -EBUSY; + if (!dest_wrb) { + status = -EBUSY; + goto unlock; + } if (use_mcc(adapter)) status = be_mcc_notify_wait(adapter); @@ -862,6 +864,7 @@ static int be_cmd_notify_wait(struct be_adapter *adapter, if (!status) memcpy(wrb, dest_wrb, sizeof(*wrb)); +unlock: be_cmd_unlock(adapter); return status; } @@ -1984,6 +1987,8 @@ int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value) be_if_cap_flags(adapter)); } flags &= be_if_cap_flags(adapter); + if (!flags) + return -ENOTSUPP; return __be_cmd_rx_filter(adapter, flags, value); } @@ -2887,6 +2892,7 @@ int be_cmd_get_cntl_attributes(struct be_adapter *adapter) if (!status) { attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr); adapter->hba_port_num = attribs->hba_attribs.phy_port; + adapter->pci_func_num = attribs->pci_func_num; serial_num = attribs->hba_attribs.controller_serial_number; for (i = 0; i < CNTL_SERIAL_NUM_WORDS; i++) adapter->serial_num[i] = le32_to_cpu(serial_num[i]) & @@ -3709,7 +3715,6 @@ int be_cmd_get_func_config(struct be_adapter *adapter, struct be_resources *res) status = -EINVAL; goto err; } - adapter->pf_number = desc->pf_num; be_copy_nic_desc(res, desc); } @@ -3721,7 +3726,10 @@ err: return status; } -/* Will use MBOX only if MCCQ has not been created */ +/* Will use MBOX only if MCCQ has not been created + * non-zero domain => a PF is querying this on behalf of a VF + * zero domain => a PF or a VF is querying this for itself + */ int be_cmd_get_profile_config(struct be_adapter *adapter, struct be_resources *res, u8 query, u8 domain) { @@ -3748,10 +3756,15 @@ int be_cmd_get_profile_config(struct be_adapter *adapter, OPCODE_COMMON_GET_PROFILE_CONFIG, cmd.size, &wrb, &cmd); - req->hdr.domain = domain; if (!lancer_chip(adapter)) req->hdr.version = 1; req->type = ACTIVE_PROFILE_TYPE; + /* When a function is querying profile information relating to + * itself hdr.pf_number must be set to it's pci_func_num + 1 + */ + req->hdr.domain = domain; + if (domain == 0) + req->hdr.pf_num = adapter->pci_func_num + 1; /* When QUERY_MODIFIABLE_FIELDS_TYPE bit is set, cmd returns the * descriptors with all bits set to "1" for the fields which can be @@ -3921,12 +3934,16 @@ static void be_fill_vf_res_template(struct be_adapter *adapter, vf_if_cap_flags &= ~(BE_IF_FLAGS_RSS | BE_IF_FLAGS_DEFQ_RSS); } - - nic_vft->cap_flags = cpu_to_le32(vf_if_cap_flags); } else { num_vf_qs = 1; } + if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) { + nic_vft->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT); + vf_if_cap_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS; + } + + nic_vft->cap_flags = cpu_to_le32(vf_if_cap_flags); nic_vft->rq_count = cpu_to_le16(num_vf_qs); nic_vft->txq_count = cpu_to_le16(num_vf_qs); nic_vft->rssq_count = cpu_to_le16(num_vf_qs); diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 7d178bdb112e..91155ea74f34 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -289,7 +289,9 @@ struct be_cmd_req_hdr { u32 timeout; /* dword 1 */ u32 request_length; /* dword 2 */ u8 version; /* dword 3 */ - u8 rsvd[3]; /* dword 3 */ + u8 rsvd1; /* dword 3 */ + u8 pf_num; /* dword 3 */ + u8 rsvd2; /* dword 3 */ }; #define RESP_HDR_INFO_OPCODE_SHIFT 0 /* bits 0 - 7 */ @@ -1652,7 +1654,11 @@ struct mgmt_hba_attribs { struct mgmt_controller_attrib { struct mgmt_hba_attribs hba_attribs; - u32 rsvd0[10]; + u32 rsvd0[2]; + u16 rsvd1; + u8 pci_func_num; + u8 rsvd2; + u32 rsvd3[7]; } __packed; struct be_cmd_req_cntl_attribs { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 7bf51a1a0a77..eb48a977f8da 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1123,11 +1123,12 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, struct sk_buff *skb, struct be_wrb_params *wrb_params) { - /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or - * less may cause a transmit stall on that port. So the work-around is - * to pad short packets (<= 32 bytes) to a 36-byte length. + /* Lancer, SH and BE3 in SRIOV mode have a bug wherein + * packets that are 32b or less may cause a transmit stall + * on that port. The workaround is to pad such packets + * (len <= 32 bytes) to a minimum length of 36b. */ - if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { + if (skb->len <= 32) { if (skb_put_padto(skb, 36)) return NULL; } @@ -4205,10 +4206,6 @@ static int be_get_config(struct be_adapter *adapter) int status, level; u16 profile_id; - status = be_cmd_get_cntl_attributes(adapter); - if (status) - return status; - status = be_cmd_query_fw_cfg(adapter); if (status) return status; @@ -4407,6 +4404,11 @@ static int be_setup(struct be_adapter *adapter) if (!lancer_chip(adapter)) be_cmd_req_native_mode(adapter); + /* Need to invoke this cmd first to get the PCI Function Number */ + status = be_cmd_get_cntl_attributes(adapter); + if (status) + return status; + if (!BE2_chip(adapter) && be_physfn(adapter)) be_alloc_sriov_res(adapter); @@ -4999,7 +5001,15 @@ static bool be_check_ufi_compatibility(struct be_adapter *adapter, return false; } - return (fhdr->asic_type_rev >= adapter->asic_rev); + /* In BE3 FW images the "asic_type_rev" field doesn't track the + * asic_rev of the chips it is compatible with. + * When asic_type_rev is 0 the image is compatible only with + * pre-BE3-R chips (asic_rev < 0x10) + */ + if (BEx_chip(adapter) && fhdr->asic_type_rev == 0) + return adapter->asic_rev < 0x10; + else + return (fhdr->asic_type_rev >= adapter->asic_rev); } static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c index 3c40f6b99224..55c36230e176 100644 --- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c +++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c @@ -198,11 +198,13 @@ static int fsl_pq_mdio_reset(struct mii_bus *bus) #if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE) /* + * Return the TBIPA address, starting from the address + * of the mapped GFAR MDIO registers (struct gfar) * This is mildly evil, but so is our hardware for doing this. * Also, we have to cast back to struct gfar because of * definition weirdness done in gianfar.h. */ -static uint32_t __iomem *get_gfar_tbipa(void __iomem *p) +static uint32_t __iomem *get_gfar_tbipa_from_mdio(void __iomem *p) { struct gfar __iomem *enet_regs = p; @@ -210,6 +212,15 @@ static uint32_t __iomem *get_gfar_tbipa(void __iomem *p) } /* + * Return the TBIPA address, starting from the address + * of the mapped GFAR MII registers (gfar_mii_regs[] within struct gfar) + */ +static uint32_t __iomem *get_gfar_tbipa_from_mii(void __iomem *p) +{ + return get_gfar_tbipa_from_mdio(container_of(p, struct gfar, gfar_mii_regs)); +} + +/* * Return the TBIPAR address for an eTSEC2 node */ static uint32_t __iomem *get_etsec_tbipa(void __iomem *p) @@ -220,11 +231,12 @@ static uint32_t __iomem *get_etsec_tbipa(void __iomem *p) #if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE) /* - * Return the TBIPAR address for a QE MDIO node + * Return the TBIPAR address for a QE MDIO node, starting from the address + * of the mapped MII registers (struct fsl_pq_mii) */ static uint32_t __iomem *get_ucc_tbipa(void __iomem *p) { - struct fsl_pq_mdio __iomem *mdio = p; + struct fsl_pq_mdio __iomem *mdio = container_of(p, struct fsl_pq_mdio, mii); return &mdio->utbipar; } @@ -300,14 +312,14 @@ static const struct of_device_id fsl_pq_mdio_match[] = { .compatible = "fsl,gianfar-tbi", .data = &(struct fsl_pq_mdio_data) { .mii_offset = 0, - .get_tbipa = get_gfar_tbipa, + .get_tbipa = get_gfar_tbipa_from_mii, }, }, { .compatible = "fsl,gianfar-mdio", .data = &(struct fsl_pq_mdio_data) { .mii_offset = 0, - .get_tbipa = get_gfar_tbipa, + .get_tbipa = get_gfar_tbipa_from_mii, }, }, { @@ -315,7 +327,7 @@ static const struct of_device_id fsl_pq_mdio_match[] = { .compatible = "gianfar", .data = &(struct fsl_pq_mdio_data) { .mii_offset = offsetof(struct fsl_pq_mdio, mii), - .get_tbipa = get_gfar_tbipa, + .get_tbipa = get_gfar_tbipa_from_mdio, }, }, { @@ -445,6 +457,16 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev) tbipa = data->get_tbipa(priv->map); + /* + * Add consistency check to make sure TBI is contained + * within the mapped range (not because we would get a + * segfault, rather to catch bugs in computing TBI + * address). Print error message but continue anyway. + */ + if ((void *)tbipa > priv->map + resource_size(&res) - 4) + dev_err(&pdev->dev, "invalid register map (should be at least 0x%04x to contain TBI address)\n", + ((void *)tbipa - priv->map) + 4); + iowrite32be(be32_to_cpup(prop), tbipa); } } diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 710715fcb23d..ce38d266f931 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -341,7 +341,7 @@ static void gfar_rx_offload_en(struct gfar_private *priv) if (priv->ndev->features & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX)) priv->uses_rxfcb = 1; - if (priv->hwts_rx_en) + if (priv->hwts_rx_en || priv->rx_filer_enable) priv->uses_rxfcb = 1; } @@ -351,7 +351,7 @@ static void gfar_mac_rx_config(struct gfar_private *priv) u32 rctrl = 0; if (priv->rx_filer_enable) { - rctrl |= RCTRL_FILREN; + rctrl |= RCTRL_FILREN | RCTRL_PRSDEP_INIT; /* Program the RIR0 reg with the required distribution */ if (priv->poll_mode == GFAR_SQ_POLLING) gfar_write(®s->rir0, DEFAULT_2RXQ_RIR0); @@ -3462,11 +3462,9 @@ static irqreturn_t gfar_error(int irq, void *grp_id) netif_dbg(priv, tx_err, dev, "Transmit Error\n"); } if (events & IEVENT_BSY) { - dev->stats.rx_errors++; + dev->stats.rx_over_errors++; atomic64_inc(&priv->extra_stats.rx_bsy); - gfar_receive(irq, grp_id); - netif_dbg(priv, rx_err, dev, "busy error (rstat: %x)\n", gfar_read(®s->rstat)); } diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index 6bdc89179b72..a33e4a829601 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -676,14 +676,14 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow) u32 fcr = 0x0, fpr = FPR_FILER_MASK; if (ethflow & RXH_L2DA) { - fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH | + fcr = RQFCR_PID_DAH | RQFCR_CMP_NOMATCH | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr); priv->cur_filer_idx = priv->cur_filer_idx - 1; - fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH | + fcr = RQFCR_PID_DAL | RQFCR_CMP_NOMATCH | RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0; priv->ftp_rqfpr[priv->cur_filer_idx] = fpr; priv->ftp_rqfcr[priv->cur_filer_idx] = fcr; diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index cc2d8b4b18e3..253f8ed0537a 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -816,7 +816,7 @@ static int hip04_mac_probe(struct platform_device *pdev) struct net_device *ndev; struct hip04_priv *priv; struct resource *res; - unsigned int irq; + int irq; int ret; ndev = alloc_etherdev(sizeof(struct hip04_priv)); diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h index 28df37420da9..ac02c675c59c 100644 --- a/drivers/net/ethernet/ibm/emac/core.h +++ b/drivers/net/ethernet/ibm/emac/core.h @@ -460,8 +460,8 @@ struct emac_ethtool_regs_subhdr { u32 index; }; -#define EMAC_ETHTOOL_REGS_VER 0 -#define EMAC4_ETHTOOL_REGS_VER 1 -#define EMAC4SYNC_ETHTOOL_REGS_VER 2 +#define EMAC_ETHTOOL_REGS_VER 3 +#define EMAC4_ETHTOOL_REGS_VER 4 +#define EMAC4SYNC_ETHTOOL_REGS_VER 5 #endif /* __IBM_NEWEMAC_CORE_H */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 3e0d20037675..c0e943aecd13 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -386,7 +386,6 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw) hw->aq.asq.next_to_use = 0; hw->aq.asq.next_to_clean = 0; - hw->aq.asq.count = hw->aq.num_asq_entries; /* allocate the ring memory */ ret_code = i40e_alloc_adminq_asq_ring(hw); @@ -404,6 +403,7 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw) goto init_adminq_free_rings; /* success! */ + hw->aq.asq.count = hw->aq.num_asq_entries; goto init_adminq_exit; init_adminq_free_rings: @@ -445,7 +445,6 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw) hw->aq.arq.next_to_use = 0; hw->aq.arq.next_to_clean = 0; - hw->aq.arq.count = hw->aq.num_arq_entries; /* allocate the ring memory */ ret_code = i40e_alloc_adminq_arq_ring(hw); @@ -463,6 +462,7 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw) goto init_adminq_free_rings; /* success! */ + hw->aq.arq.count = hw->aq.num_arq_entries; goto init_adminq_exit; init_adminq_free_rings: @@ -946,6 +946,13 @@ i40e_status i40e_clean_arq_element(struct i40e_hw *hw, /* take the lock before we start messing with the ring */ mutex_lock(&hw->aq.arq_mutex); + if (hw->aq.arq.count == 0) { + i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE, + "AQRX: Admin queue not initialized.\n"); + ret_code = I40E_ERR_QUEUE_EMPTY; + goto clean_arq_element_err; + } + /* set next_to_use to head */ ntu = (rd32(hw, hw->aq.arq.head) & I40E_PF_ARQH_ARQH_MASK); if (ntu == ntc) { @@ -1007,6 +1014,8 @@ clean_arq_element_out: /* Set pending if needed, unlock and return */ if (pending != NULL) *pending = (ntc > ntu ? hw->aq.arq.count : 0) + (ntu - ntc); + +clean_arq_element_err: mutex_unlock(&hw->aq.arq_mutex); if (i40e_is_nvm_update_op(&e->desc)) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index e972b5ecbf0b..13a5d4cf494b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -1344,6 +1344,12 @@ static void i40e_get_ethtool_stats(struct net_device *netdev, data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } + for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) { + data[i++] = veb->tc_stats.tc_tx_packets[j]; + data[i++] = veb->tc_stats.tc_tx_bytes[j]; + data[i++] = veb->tc_stats.tc_rx_packets[j]; + data[i++] = veb->tc_stats.tc_rx_bytes[j]; + } } for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { p = (char *)pf + i40e_gstrings_stats[j].stat_offset; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 851c1a159be8..3dd26cdd0bf2 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -2672,7 +2672,8 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring) rx_ctx.lrxqthresh = 2; rx_ctx.crcstrip = 1; rx_ctx.l2tsel = 1; - rx_ctx.showiv = 1; + /* this controls whether VLAN is stripped from inner headers */ + rx_ctx.showiv = 0; #ifdef I40E_FCOE rx_ctx.fc_ena = (vsi->type == I40E_VSI_FCOE); #endif @@ -7910,6 +7911,7 @@ static int i40e_sw_init(struct i40e_pf *pf) if (pf->hw.func_caps.vmdq) { pf->num_vmdq_vsis = I40E_DEFAULT_NUM_VMDQ_VSI; pf->flags |= I40E_FLAG_VMDQ_ENABLED; + pf->num_vmdq_qps = i40e_default_queues_per_vmdq(pf); } #ifdef I40E_FCOE @@ -8388,6 +8390,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_GRE | NETIF_F_TSO; netdev->features = NETIF_F_SG | @@ -8395,6 +8398,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) NETIF_F_SCTP_CSUM | NETIF_F_HIGHDMA | NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_GRE | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER | diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c index f08450b90774..a23ebfd5cd25 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c @@ -373,7 +373,6 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw) hw->aq.asq.next_to_use = 0; hw->aq.asq.next_to_clean = 0; - hw->aq.asq.count = hw->aq.num_asq_entries; /* allocate the ring memory */ ret_code = i40e_alloc_adminq_asq_ring(hw); @@ -391,6 +390,7 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw) goto init_adminq_free_rings; /* success! */ + hw->aq.asq.count = hw->aq.num_asq_entries; goto init_adminq_exit; init_adminq_free_rings: @@ -432,7 +432,6 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw) hw->aq.arq.next_to_use = 0; hw->aq.arq.next_to_clean = 0; - hw->aq.arq.count = hw->aq.num_arq_entries; /* allocate the ring memory */ ret_code = i40e_alloc_adminq_arq_ring(hw); @@ -450,6 +449,7 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw) goto init_adminq_free_rings; /* success! */ + hw->aq.arq.count = hw->aq.num_arq_entries; goto init_adminq_exit; init_adminq_free_rings: @@ -887,6 +887,13 @@ i40e_status i40evf_clean_arq_element(struct i40e_hw *hw, /* take the lock before we start messing with the ring */ mutex_lock(&hw->aq.arq_mutex); + if (hw->aq.arq.count == 0) { + i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE, + "AQRX: Admin queue not initialized.\n"); + ret_code = I40E_ERR_QUEUE_EMPTY; + goto clean_arq_element_err; + } + /* set next_to_use to head */ ntu = (rd32(hw, hw->aq.arq.head) & I40E_VF_ARQH1_ARQH_MASK); if (ntu == ntc) { @@ -948,6 +955,8 @@ clean_arq_element_out: /* Set pending if needed, unlock and return */ if (pending != NULL) *pending = (ntc > ntu ? hw->aq.arq.count : 0) + (ntu - ntc); + +clean_arq_element_err: mutex_unlock(&hw->aq.arq_mutex); return ret_code; diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 960169efe636..dfb6d5f79a10 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -759,11 +759,23 @@ txq_put_data_tso(struct net_device *dev, struct tx_queue *txq, desc->l4i_chk = 0; desc->byte_cnt = length; - desc->buf_ptr = dma_map_single(dev->dev.parent, data, - length, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(dev->dev.parent, desc->buf_ptr))) { - WARN(1, "dma_map_single failed!\n"); - return -ENOMEM; + + if (length <= 8 && (uintptr_t)data & 0x7) { + /* Copy unaligned small data fragment to TSO header data area */ + memcpy(txq->tso_hdrs + txq->tx_curr_desc * TSO_HEADER_SIZE, + data, length); + desc->buf_ptr = txq->tso_hdrs_dma + + txq->tx_curr_desc * TSO_HEADER_SIZE; + } else { + /* Alignment is okay, map buffer and hand off to hardware */ + txq->tx_desc_mapping[tx_index] = DESC_DMA_MAP_SINGLE; + desc->buf_ptr = dma_map_single(dev->dev.parent, data, + length, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(dev->dev.parent, + desc->buf_ptr))) { + WARN(1, "dma_map_single failed!\n"); + return -ENOMEM; + } } cmd_sts = BUFFER_OWNED_BY_DMA; @@ -779,7 +791,8 @@ txq_put_data_tso(struct net_device *dev, struct tx_queue *txq, } static inline void -txq_put_hdr_tso(struct sk_buff *skb, struct tx_queue *txq, int length) +txq_put_hdr_tso(struct sk_buff *skb, struct tx_queue *txq, int length, + u32 *first_cmd_sts, bool first_desc) { struct mv643xx_eth_private *mp = txq_to_mp(txq); int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); @@ -788,6 +801,7 @@ txq_put_hdr_tso(struct sk_buff *skb, struct tx_queue *txq, int length) int ret; u32 cmd_csum = 0; u16 l4i_chk = 0; + u32 cmd_sts; tx_index = txq->tx_curr_desc; desc = &txq->tx_desc_area[tx_index]; @@ -803,9 +817,17 @@ txq_put_hdr_tso(struct sk_buff *skb, struct tx_queue *txq, int length) desc->byte_cnt = hdr_len; desc->buf_ptr = txq->tso_hdrs_dma + txq->tx_curr_desc * TSO_HEADER_SIZE; - desc->cmd_sts = cmd_csum | BUFFER_OWNED_BY_DMA | TX_FIRST_DESC | + cmd_sts = cmd_csum | BUFFER_OWNED_BY_DMA | TX_FIRST_DESC | GEN_CRC; + /* Defer updating the first command descriptor until all + * following descriptors have been written. + */ + if (first_desc) + *first_cmd_sts = cmd_sts; + else + desc->cmd_sts = cmd_sts; + txq->tx_curr_desc++; if (txq->tx_curr_desc == txq->tx_ring_size) txq->tx_curr_desc = 0; @@ -819,6 +841,8 @@ static int txq_submit_tso(struct tx_queue *txq, struct sk_buff *skb, int desc_count = 0; struct tso_t tso; int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + struct tx_desc *first_tx_desc; + u32 first_cmd_sts = 0; /* Count needed descriptors */ if ((txq->tx_desc_count + tso_count_descs(skb)) >= txq->tx_ring_size) { @@ -826,11 +850,14 @@ static int txq_submit_tso(struct tx_queue *txq, struct sk_buff *skb, return -EBUSY; } + first_tx_desc = &txq->tx_desc_area[txq->tx_curr_desc]; + /* Initialize the TSO handler, and prepare the first payload */ tso_start(skb, &tso); total_len = skb->len - hdr_len; while (total_len > 0) { + bool first_desc = (desc_count == 0); char *hdr; data_left = min_t(int, skb_shinfo(skb)->gso_size, total_len); @@ -840,7 +867,8 @@ static int txq_submit_tso(struct tx_queue *txq, struct sk_buff *skb, /* prepare packet headers: MAC + IP + TCP */ hdr = txq->tso_hdrs + txq->tx_curr_desc * TSO_HEADER_SIZE; tso_build_hdr(skb, hdr, &tso, data_left, total_len == 0); - txq_put_hdr_tso(skb, txq, data_left); + txq_put_hdr_tso(skb, txq, data_left, &first_cmd_sts, + first_desc); while (data_left > 0) { int size; @@ -860,6 +888,10 @@ static int txq_submit_tso(struct tx_queue *txq, struct sk_buff *skb, __skb_queue_tail(&txq->tx_skb, skb); skb_tx_timestamp(skb); + /* ensure all other descriptors are written before first cmd_sts */ + wmb(); + first_tx_desc->cmd_sts = first_cmd_sts; + /* clear TX_END status */ mp->work_tx_end &= ~(1 << txq->index); @@ -2785,8 +2817,10 @@ static int mv643xx_eth_shared_of_probe(struct platform_device *pdev) for_each_available_child_of_node(np, pnp) { ret = mv643xx_eth_shared_of_add_port(pdev, pnp); - if (ret) + if (ret) { + of_node_put(pnp); return ret; + } } return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 0a3202047569..2177e56ed0be 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -2398,7 +2398,7 @@ int mlx4_multi_func_init(struct mlx4_dev *dev) } } - memset(&priv->mfunc.master.cmd_eqe, 0, dev->caps.eqe_size); + memset(&priv->mfunc.master.cmd_eqe, 0, sizeof(struct mlx4_eqe)); priv->mfunc.master.cmd_eqe.type = MLX4_EVENT_TYPE_CMD; INIT_WORK(&priv->mfunc.master.comm_work, mlx4_master_comm_channel); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 494e7762fdb1..4421bf5463f6 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -964,6 +964,8 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_SVLAN; else if (vlan_proto == ETH_P_8021Q) tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_CVLAN; + else + tx_desc->ctrl.ins_vlan = 0; tx_desc->ctrl.fence_size = real_size; diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index 8e81e53c370e..603d1c3d3b2e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -196,7 +196,7 @@ static void slave_event(struct mlx4_dev *dev, u8 slave, struct mlx4_eqe *eqe) return; } - memcpy(s_eqe, eqe, dev->caps.eqe_size - 1); + memcpy(s_eqe, eqe, sizeof(struct mlx4_eqe) - 1); s_eqe->slave_id = slave; /* ensure all information is written before setting the ownersip bit */ dma_wmb(); @@ -1364,6 +1364,10 @@ int mlx4_test_interrupts(struct mlx4_dev *dev) * and performing a NOP command */ for(i = 0; !err && (i < dev->caps.num_comp_vectors); ++i) { + /* Make sure request_irq was called */ + if (!priv->eq_table.eq[i].have_irq) + continue; + /* Temporary use polling for command completions */ mlx4_cmd_use_polling(dev); diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 006757f80988..cc3a9897574c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2669,14 +2669,11 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev) if (msi_x) { int nreq = dev->caps.num_ports * num_online_cpus() + 1; - bool shared_ports = false; nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, nreq); - if (nreq > MAX_MSIX) { + if (nreq > MAX_MSIX) nreq = MAX_MSIX; - shared_ports = true; - } entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); if (!entries) @@ -2699,9 +2696,6 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev) bitmap_zero(priv->eq_table.eq[MLX4_EQ_ASYNC].actv_ports.ports, dev->caps.num_ports); - if (MLX4_IS_LEGACY_EQ_MODE(dev->caps)) - shared_ports = true; - for (i = 0; i < dev->caps.num_comp_vectors + 1; i++) { if (i == MLX4_EQ_ASYNC) continue; @@ -2709,7 +2703,7 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev) priv->eq_table.eq[i].irq = entries[i + 1 - !!(i > MLX4_EQ_ASYNC)].vector; - if (shared_ports) { + if (MLX4_IS_LEGACY_EQ_MODE(dev->caps)) { bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, dev->caps.num_ports); /* We don't set affinity hint when there diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index bd9ea0d01aae..1d4e2e054647 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -1184,10 +1184,11 @@ out: if (prot == MLX4_PROT_ETH) { /* manage the steering entry for promisc mode */ if (new_entry) - new_steering_entry(dev, port, steer, index, qp->qpn); + err = new_steering_entry(dev, port, steer, + index, qp->qpn); else - existing_steering_entry(dev, port, steer, - index, qp->qpn); + err = existing_steering_entry(dev, port, steer, + index, qp->qpn); } if (err && link && index != -1) { if (index < dev->caps.num_mgms) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c b/drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c index e71563ce05d1..22d603f78273 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c @@ -598,6 +598,8 @@ void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv) return; priv->vlan.filter_disabled = false; + if (priv->netdev->flags & IFF_PROMISC) + return; mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, 0); } @@ -607,6 +609,8 @@ void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv) return; priv->vlan.filter_disabled = true; + if (priv->netdev->flags & IFF_PROMISC) + return; mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, 0); } @@ -717,8 +721,12 @@ void mlx5e_set_rx_mode_work(struct work_struct *work) bool enable_broadcast = !ea->broadcast_enabled && broadcast_enabled; bool disable_broadcast = ea->broadcast_enabled && !broadcast_enabled; - if (enable_promisc) + if (enable_promisc) { mlx5e_add_eth_addr_rule(priv, &ea->promisc, MLX5E_PROMISC); + if (!priv->vlan.filter_disabled) + mlx5e_add_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, + 0); + } if (enable_allmulti) mlx5e_add_eth_addr_rule(priv, &ea->allmulti, MLX5E_ALLMULTI); if (enable_broadcast) @@ -730,8 +738,12 @@ void mlx5e_set_rx_mode_work(struct work_struct *work) mlx5e_del_eth_addr_from_flow_table(priv, &ea->broadcast); if (disable_allmulti) mlx5e_del_eth_addr_from_flow_table(priv, &ea->allmulti); - if (disable_promisc) + if (disable_promisc) { + if (!priv->vlan.filter_disabled) + mlx5e_del_vlan_rule(priv, MLX5E_VLAN_RULE_TYPE_ANY_VID, + 0); mlx5e_del_eth_addr_from_flow_table(priv, &ea->promisc); + } ea->promisc_enabled = promisc_enabled; ea->allmulti_enabled = allmulti_enabled; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c index aa0d5ffe92d8..9335e5ae18cc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c @@ -200,25 +200,3 @@ int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev) return err; } - -int mlx5_core_query_special_context(struct mlx5_core_dev *dev, u32 *rsvd_lkey) -{ - struct mlx5_cmd_query_special_contexts_mbox_in in; - struct mlx5_cmd_query_special_contexts_mbox_out out; - int err; - - memset(&in, 0, sizeof(in)); - memset(&out, 0, sizeof(out)); - in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); - err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); - if (err) - return err; - - if (out.hdr.status) - err = mlx5_cmd_status_to_err(&out.hdr); - - *rsvd_lkey = be32_to_cpu(out.resd_lkey); - - return err; -} -EXPORT_SYMBOL(mlx5_core_query_special_context); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c index 821caaab9bfb..3b9480fa3403 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c @@ -311,7 +311,7 @@ static int mlx5_query_port_pvlc(struct mlx5_core_dev *dev, u32 *pvlc, int err; memset(in, 0, sizeof(in)); - MLX5_SET(ptys_reg, in, local_port, local_port); + MLX5_SET(pvlc_reg, in, local_port, local_port); err = mlx5_core_access_reg(dev, in, sizeof(in), pvlc, pvlc_size, MLX5_REG_PVLC, 0, 0); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index dbcaf5df8967..28c19cc1a17c 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -374,26 +374,31 @@ static int __mlxsw_emad_transmit(struct mlxsw_core *mlxsw_core, int err; int ret; + mlxsw_core->emad.trans_active = true; + err = mlxsw_core_skb_transmit(mlxsw_core->driver_priv, skb, tx_info); if (err) { dev_err(mlxsw_core->bus_info->dev, "Failed to transmit EMAD (tid=%llx)\n", mlxsw_core->emad.tid); dev_kfree_skb(skb); - return err; + goto trans_inactive_out; } - mlxsw_core->emad.trans_active = true; ret = wait_event_timeout(mlxsw_core->emad.wait, !(mlxsw_core->emad.trans_active), msecs_to_jiffies(MLXSW_EMAD_TIMEOUT_MS)); if (!ret) { dev_warn(mlxsw_core->bus_info->dev, "EMAD timed-out (tid=%llx)\n", mlxsw_core->emad.tid); - mlxsw_core->emad.trans_active = false; - return -EIO; + err = -EIO; + goto trans_inactive_out; } return 0; + +trans_inactive_out: + mlxsw_core->emad.trans_active = false; + return err; } static int mlxsw_emad_process_status(struct mlxsw_core *mlxsw_core, diff --git a/drivers/net/ethernet/mellanox/mlxsw/item.h b/drivers/net/ethernet/mellanox/mlxsw/item.h index ffd55d030ce2..36fb1cec53c9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/item.h +++ b/drivers/net/ethernet/mellanox/mlxsw/item.h @@ -187,6 +187,7 @@ __mlxsw_item_bit_array_offset(struct mlxsw_item *item, u16 index, u8 *shift) { u16 max_index, be_index; u16 offset; /* byte offset inside the array */ + u8 in_byte_index; BUG_ON(index && !item->element_size); if (item->offset % sizeof(u32) != 0 || @@ -199,7 +200,8 @@ __mlxsw_item_bit_array_offset(struct mlxsw_item *item, u16 index, u8 *shift) max_index = (item->size.bytes << 3) / item->element_size - 1; be_index = max_index - index; offset = be_index * item->element_size >> 3; - *shift = index % (BITS_PER_BYTE / item->element_size) << 1; + in_byte_index = index % (BITS_PER_BYTE / item->element_size); + *shift = in_byte_index * item->element_size; return item->offset + offset; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index 462cea31ecbb..cef866c37648 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -1582,11 +1582,11 @@ static int mlxsw_pci_cmd_exec(void *bus_priv, u16 opcode, u8 opcode_mod, if (in_mbox) memcpy(mlxsw_pci->cmd.in_mbox.buf, in_mbox, in_mbox_size); - mlxsw_pci_write32(mlxsw_pci, CIR_IN_PARAM_HI, in_mapaddr >> 32); - mlxsw_pci_write32(mlxsw_pci, CIR_IN_PARAM_LO, in_mapaddr); + mlxsw_pci_write32(mlxsw_pci, CIR_IN_PARAM_HI, upper_32_bits(in_mapaddr)); + mlxsw_pci_write32(mlxsw_pci, CIR_IN_PARAM_LO, lower_32_bits(in_mapaddr)); - mlxsw_pci_write32(mlxsw_pci, CIR_OUT_PARAM_HI, out_mapaddr >> 32); - mlxsw_pci_write32(mlxsw_pci, CIR_OUT_PARAM_LO, out_mapaddr); + mlxsw_pci_write32(mlxsw_pci, CIR_OUT_PARAM_HI, upper_32_bits(out_mapaddr)); + mlxsw_pci_write32(mlxsw_pci, CIR_OUT_PARAM_LO, lower_32_bits(out_mapaddr)); mlxsw_pci_write32(mlxsw_pci, CIR_IN_MODIFIER, in_mod); mlxsw_pci_write32(mlxsw_pci, CIR_TOKEN, 0); diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c index 3e52ee93438c..62cbbd1ada8d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c +++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c @@ -1069,9 +1069,9 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port) return 0; err_register_netdev: -err_port_admin_status_set: err_port_mac_learning_mode_set: err_port_stp_state_set: +err_port_admin_status_set: err_port_mtu_set: err_port_speed_set: err_port_swid_set: diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index a41bb5e6b954..75e88f4c1531 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -4076,6 +4076,8 @@ static void nv_do_nic_poll(unsigned long data) struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); u32 mask = 0; + unsigned long flags; + unsigned int irq = 0; /* * First disable irq(s) and then @@ -4085,25 +4087,27 @@ static void nv_do_nic_poll(unsigned long data) if (!using_multi_irqs(dev)) { if (np->msi_flags & NV_MSI_X_ENABLED) - disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); + irq = np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector; else - disable_irq_lockdep(np->pci_dev->irq); + irq = np->pci_dev->irq; mask = np->irqmask; } else { if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { - disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); + irq = np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector; mask |= NVREG_IRQ_RX_ALL; } if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { - disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); + irq = np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector; mask |= NVREG_IRQ_TX_ALL; } if (np->nic_poll_irq & NVREG_IRQ_OTHER) { - disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); + irq = np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector; mask |= NVREG_IRQ_OTHER; } } - /* disable_irq() contains synchronize_irq, thus no irq handler can run now */ + + disable_irq_nosync_lockdep_irqsave(irq, &flags); + synchronize_irq(irq); if (np->recover_error) { np->recover_error = 0; @@ -4156,28 +4160,22 @@ static void nv_do_nic_poll(unsigned long data) nv_nic_irq_optimized(0, dev); else nv_nic_irq(0, dev); - if (np->msi_flags & NV_MSI_X_ENABLED) - enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); - else - enable_irq_lockdep(np->pci_dev->irq); } else { if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { np->nic_poll_irq &= ~NVREG_IRQ_RX_ALL; nv_nic_irq_rx(0, dev); - enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); } if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { np->nic_poll_irq &= ~NVREG_IRQ_TX_ALL; nv_nic_irq_tx(0, dev); - enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); } if (np->nic_poll_irq & NVREG_IRQ_OTHER) { np->nic_poll_irq &= ~NVREG_IRQ_OTHER; nv_nic_irq_other(0, dev); - enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); } } + enable_irq_lockdep_irqrestore(irq, &flags); } #ifdef CONFIG_NET_POLL_CONTROLLER diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 66fd868152e5..b159ef8303cc 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -476,13 +476,12 @@ static void __lpc_get_mac(struct netdata_local *pldat, u8 *mac) mac[5] = tmp >> 8; } -static void __lpc_eth_clock_enable(struct netdata_local *pldat, - bool enable) +static void __lpc_eth_clock_enable(struct netdata_local *pldat, bool enable) { if (enable) - clk_enable(pldat->clk); + clk_prepare_enable(pldat->clk); else - clk_disable(pldat->clk); + clk_disable_unprepare(pldat->clk); } static void __lpc_params_setup(struct netdata_local *pldat) @@ -1494,7 +1493,7 @@ err_out_free_irq: err_out_iounmap: iounmap(pldat->net_base); err_out_disable_clocks: - clk_disable(pldat->clk); + clk_disable_unprepare(pldat->clk); clk_put(pldat->clk); err_out_free_dev: free_netdev(ndev); @@ -1519,7 +1518,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev) iounmap(pldat->net_base); mdiobus_unregister(pldat->mii_bus); mdiobus_free(pldat->mii_bus); - clk_disable(pldat->clk); + clk_disable_unprepare(pldat->clk); clk_put(pldat->clk); free_netdev(ndev); @@ -1540,7 +1539,7 @@ static int lpc_eth_drv_suspend(struct platform_device *pdev, if (netif_running(ndev)) { netif_device_detach(ndev); __lpc_eth_shutdown(pldat); - clk_disable(pldat->clk); + clk_disable_unprepare(pldat->clk); /* * Reset again now clock is disable to be sure diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 2b32e0c5a0b4..b4f21232019a 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -6081,7 +6081,7 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) { void __iomem *ioaddr = tp->mmio_addr; struct pci_dev *pdev = tp->pci_dev; - u16 rg_saw_cnt; + int rg_saw_cnt; u32 data; static const struct ephy_info e_info_8168h_1[] = { { 0x1e, 0x0800, 0x0001 }, diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 257ea713b4c1..a484d8beb855 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1127,7 +1127,7 @@ static void sh_eth_ring_format(struct net_device *ndev) struct sh_eth_txdesc *txdesc = NULL; int rx_ringsize = sizeof(*rxdesc) * mdp->num_rx_ring; int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring; - int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1; + int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1; dma_addr_t dma_addr; mdp->cur_rx = 0; @@ -1148,8 +1148,8 @@ static void sh_eth_ring_format(struct net_device *ndev) /* RX descriptor */ rxdesc = &mdp->rx_ring[i]; - /* The size of the buffer is a multiple of 16 bytes. */ - rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); + /* The size of the buffer is a multiple of 32 bytes. */ + rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32); dma_addr = dma_map_single(&ndev->dev, skb->data, rxdesc->buffer_length, DMA_FROM_DEVICE); @@ -1450,7 +1450,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) struct sk_buff *skb; u16 pkt_len = 0; u32 desc_status; - int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1; + int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1; dma_addr_t dma_addr; boguscnt = min(boguscnt, *quota); @@ -1506,7 +1506,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) if (mdp->cd->rpadir) skb_reserve(skb, NET_IP_ALIGN); dma_unmap_single(&ndev->dev, rxdesc->addr, - ALIGN(mdp->rx_buf_sz, 16), + ALIGN(mdp->rx_buf_sz, 32), DMA_FROM_DEVICE); skb_put(skb, pkt_len); skb->protocol = eth_type_trans(skb, ndev); @@ -1524,8 +1524,8 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) for (; mdp->cur_rx - mdp->dirty_rx > 0; mdp->dirty_rx++) { entry = mdp->dirty_rx % mdp->num_rx_ring; rxdesc = &mdp->rx_ring[entry]; - /* The size of the buffer is 16 byte boundary. */ - rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16); + /* The size of the buffer is 32 byte boundary. */ + rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32); if (mdp->rx_skbuff[entry] == NULL) { skb = netdev_alloc_skb(ndev, skbuff_size); diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 8fc90f1c872c..874fb297e96c 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -30,6 +30,7 @@ #include <linux/delay.h> #include <linux/pm_runtime.h> #include <linux/of.h> +#include <linux/of_mdio.h> #include <linux/of_net.h> #include <linux/of_device.h> #include <linux/if_vlan.h> @@ -365,6 +366,7 @@ struct cpsw_priv { spinlock_t lock; struct platform_device *pdev; struct net_device *ndev; + struct device_node *phy_node; struct napi_struct napi_rx; struct napi_struct napi_tx; struct device *dev; @@ -1145,7 +1147,11 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 1 << slave_port, 0, 0, ALE_MCAST_FWD_2); - slave->phy = phy_connect(priv->ndev, slave->data->phy_id, + if (priv->phy_node) + slave->phy = of_phy_connect(priv->ndev, priv->phy_node, + &cpsw_adjust_link, 0, slave->data->phy_if); + else + slave->phy = phy_connect(priv->ndev, slave->data->phy_id, &cpsw_adjust_link, slave->data->phy_if); if (IS_ERR(slave->phy)) { dev_err(priv->dev, "phy %s not found on slave %d\n", @@ -1934,11 +1940,12 @@ static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv, slave->port_vlan = data->dual_emac_res_vlan; } -static int cpsw_probe_dt(struct cpsw_platform_data *data, +static int cpsw_probe_dt(struct cpsw_priv *priv, struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; struct device_node *slave_node; + struct cpsw_platform_data *data = &priv->data; int i = 0, ret; u32 prop; @@ -2029,6 +2036,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, if (strcmp(slave_node->name, "slave")) continue; + priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); parp = of_get_property(slave_node, "phy_id", &lenp); if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) { dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i); @@ -2044,7 +2052,6 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, } snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), PHY_ID_FMT, mdio->name, phyid); - slave_data->phy_if = of_get_phy_mode(slave_node); if (slave_data->phy_if < 0) { dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n", @@ -2240,7 +2247,7 @@ static int cpsw_probe(struct platform_device *pdev) /* Select default pin state */ pinctrl_pm_select_default_state(&pdev->dev); - if (cpsw_probe_dt(&priv->data, pdev)) { + if (cpsw_probe_dt(priv, pdev)) { dev_err(&pdev->dev, "cpsw: platform data missing\n"); ret = -ENODEV; goto clean_runtime_disable_ret; diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index 6bff8d82ceab..4e70e7586a09 100644 --- a/drivers/net/ethernet/ti/netcp_ethss.c +++ b/drivers/net/ethernet/ti/netcp_ethss.c @@ -2637,8 +2637,10 @@ static void init_secondary_ports(struct gbe_priv *gbe_dev, mac_phy_link = true; slave->open = true; - if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) + if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) { + of_node_put(port); break; + } } /* of_phy_connect() is needed only for MAC-PHY interface */ @@ -3137,8 +3139,10 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, continue; } gbe_dev->num_slaves++; - if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) + if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) { + of_node_put(interface); break; + } } of_node_put(interfaces); diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index a83263743665..2b7550c43f78 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -2134,10 +2134,11 @@ static int rhine_rx(struct net_device *dev, int limit) } skb_put(skb, pkt_len); - skb->protocol = eth_type_trans(skb, dev); rhine_rx_vlan_tag(skb, desc, data_size); + skb->protocol = eth_type_trans(skb, dev); + netif_receive_skb(skb); u64_stats_update_begin(&rp->rx_stats.syncp); diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 8f5c02eed47d..445071c163cb 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -594,14 +594,12 @@ static struct rtable *geneve_get_rt(struct sk_buff *skb, rt = ip_route_output_key(geneve->net, fl4); if (IS_ERR(rt)) { netdev_dbg(dev, "no route to %pI4\n", &fl4->daddr); - dev->stats.tx_carrier_errors++; - return rt; + return ERR_PTR(-ENETUNREACH); } if (rt->dst.dev == dev) { /* is this necessary? */ netdev_dbg(dev, "circular route to %pI4\n", &fl4->daddr); - dev->stats.collisions++; ip_rt_put(rt); - return ERR_PTR(-EINVAL); + return ERR_PTR(-ELOOP); } return rt; } @@ -627,12 +625,12 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) struct ip_tunnel_info *info = NULL; struct rtable *rt = NULL; const struct iphdr *iip; /* interior IP header */ + int err = -EINVAL; struct flowi4 fl4; __u8 tos, ttl; __be16 sport; bool udp_csum; __be16 df; - int err; if (geneve->collect_md) { info = skb_tunnel_info(skb); @@ -647,7 +645,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) rt = geneve_get_rt(skb, dev, &fl4, info); if (IS_ERR(rt)) { netdev_dbg(dev, "no route to %pI4\n", &fl4.daddr); - dev->stats.tx_carrier_errors++; + err = PTR_ERR(rt); goto tx_error; } @@ -699,10 +697,37 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) tx_error: dev_kfree_skb(skb); err: - dev->stats.tx_errors++; + if (err == -ELOOP) + dev->stats.collisions++; + else if (err == -ENETUNREACH) + dev->stats.tx_carrier_errors++; + else + dev->stats.tx_errors++; return NETDEV_TX_OK; } +static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) +{ + struct ip_tunnel_info *info = skb_tunnel_info(skb); + struct geneve_dev *geneve = netdev_priv(dev); + struct rtable *rt; + struct flowi4 fl4; + + if (ip_tunnel_info_af(info) != AF_INET) + return -EINVAL; + + rt = geneve_get_rt(skb, dev, &fl4, info); + if (IS_ERR(rt)) + return PTR_ERR(rt); + + ip_rt_put(rt); + info->key.u.ipv4.src = fl4.saddr; + info->key.tp_src = udp_flow_src_port(geneve->net, skb, + 1, USHRT_MAX, true); + info->key.tp_dst = geneve->dst_port; + return 0; +} + static const struct net_device_ops geneve_netdev_ops = { .ndo_init = geneve_init, .ndo_uninit = geneve_uninit, @@ -713,6 +738,7 @@ static const struct net_device_ops geneve_netdev_ops = { .ndo_change_mtu = eth_change_mtu, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = eth_mac_addr, + .ndo_fill_metadata_dst = geneve_fill_metadata_dst, }; static void geneve_get_drvinfo(struct net_device *dev, @@ -870,14 +896,14 @@ static int geneve_newlink(struct net *net, struct net_device *dev, __be16 dst_port = htons(GENEVE_UDP_PORT); __u8 ttl = 0, tos = 0; bool metadata = false; - __be32 rem_addr; - __u32 vni; + __be32 rem_addr = 0; + __u32 vni = 0; - if (!data[IFLA_GENEVE_ID] || !data[IFLA_GENEVE_REMOTE]) - return -EINVAL; + if (data[IFLA_GENEVE_ID]) + vni = nla_get_u32(data[IFLA_GENEVE_ID]); - vni = nla_get_u32(data[IFLA_GENEVE_ID]); - rem_addr = nla_get_in_addr(data[IFLA_GENEVE_REMOTE]); + if (data[IFLA_GENEVE_REMOTE]) + rem_addr = nla_get_in_addr(data[IFLA_GENEVE_REMOTE]); if (data[IFLA_GENEVE_TTL]) ttl = nla_get_u8(data[IFLA_GENEVE_TTL]); diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 248478c6f6e4..197c93937c2d 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -137,7 +137,7 @@ static const struct proto_ops macvtap_socket_ops; #define TUN_OFFLOADS (NETIF_F_HW_CSUM | NETIF_F_TSO_ECN | NETIF_F_TSO | \ NETIF_F_TSO6 | NETIF_F_UFO) #define RX_OFFLOADS (NETIF_F_GRO | NETIF_F_LRO) -#define TAP_FEATURES (NETIF_F_GSO | NETIF_F_SG) +#define TAP_FEATURES (NETIF_F_GSO | NETIF_F_SG | NETIF_F_FRAGLIST) static struct macvlan_dev *macvtap_get_vlan_rcu(const struct net_device *dev) { diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index c5ad98ace5d0..436972b2a746 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -122,6 +122,11 @@ config MICREL_PHY ---help--- Supports the KSZ9021, VSC8201, KS8001 PHYs. +config DP83848_PHY + tristate "Driver for Texas Instruments DP83848 PHY" + ---help--- + Supports the DP83848 PHY. + config DP83867_PHY tristate "Drivers for Texas Instruments DP83867 Gigabit PHY" ---help--- @@ -168,8 +173,6 @@ config MDIO_OCTEON busses. It is required by the Octeon and ThunderX ethernet device drivers. - If in doubt, say Y. - config MDIO_SUN4I tristate "Allwinner sun4i MDIO interface support" depends on ARCH_SUNXI diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 87f079c4b2c7..b74822463930 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o obj-$(CONFIG_NATIONAL_PHY) += national.o obj-$(CONFIG_DP83640_PHY) += dp83640.o +obj-$(CONFIG_DP83848_PHY) += dp83848.o obj-$(CONFIG_DP83867_PHY) += dp83867.o obj-$(CONFIG_STE10XP) += ste10Xp.o obj-$(CONFIG_MICREL_PHY) += micrel.o diff --git a/drivers/net/phy/dp83848.c b/drivers/net/phy/dp83848.c new file mode 100644 index 000000000000..5ce9bef54468 --- /dev/null +++ b/drivers/net/phy/dp83848.c @@ -0,0 +1,99 @@ +/* + * Driver for the Texas Instruments DP83848 PHY + * + * Copyright (C) 2015 Texas Instruments Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/phy.h> + +#define DP83848_PHY_ID 0x20005c90 + +/* Registers */ +#define DP83848_MICR 0x11 +#define DP83848_MISR 0x12 + +/* MICR Register Fields */ +#define DP83848_MICR_INT_OE BIT(0) /* Interrupt Output Enable */ +#define DP83848_MICR_INTEN BIT(1) /* Interrupt Enable */ + +/* MISR Register Fields */ +#define DP83848_MISR_RHF_INT_EN BIT(0) /* Receive Error Counter */ +#define DP83848_MISR_FHF_INT_EN BIT(1) /* False Carrier Counter */ +#define DP83848_MISR_ANC_INT_EN BIT(2) /* Auto-negotiation complete */ +#define DP83848_MISR_DUP_INT_EN BIT(3) /* Duplex Status */ +#define DP83848_MISR_SPD_INT_EN BIT(4) /* Speed status */ +#define DP83848_MISR_LINK_INT_EN BIT(5) /* Link status */ +#define DP83848_MISR_ED_INT_EN BIT(6) /* Energy detect */ +#define DP83848_MISR_LQM_INT_EN BIT(7) /* Link Quality Monitor */ + +static int dp83848_ack_interrupt(struct phy_device *phydev) +{ + int err = phy_read(phydev, DP83848_MISR); + + return err < 0 ? err : 0; +} + +static int dp83848_config_intr(struct phy_device *phydev) +{ + int err; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = phy_write(phydev, DP83848_MICR, + DP83848_MICR_INT_OE | + DP83848_MICR_INTEN); + if (err < 0) + return err; + + return phy_write(phydev, DP83848_MISR, + DP83848_MISR_ANC_INT_EN | + DP83848_MISR_DUP_INT_EN | + DP83848_MISR_SPD_INT_EN | + DP83848_MISR_LINK_INT_EN); + } + + return phy_write(phydev, DP83848_MICR, 0x0); +} + +static struct mdio_device_id __maybe_unused dp83848_tbl[] = { + { DP83848_PHY_ID, 0xfffffff0 }, + { } +}; +MODULE_DEVICE_TABLE(mdio, dp83848_tbl); + +static struct phy_driver dp83848_driver[] = { + { + .phy_id = DP83848_PHY_ID, + .phy_id_mask = 0xfffffff0, + .name = "TI DP83848", + .features = PHY_BASIC_FEATURES, + .flags = PHY_HAS_INTERRUPT, + + .soft_reset = genphy_soft_reset, + .config_init = genphy_config_init, + .suspend = genphy_suspend, + .resume = genphy_resume, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + + /* IRQ related */ + .ack_interrupt = dp83848_ack_interrupt, + .config_intr = dp83848_config_intr, + + .driver = { .owner = THIS_MODULE, }, + }, +}; +module_phy_driver(dp83848_driver); + +MODULE_DESCRIPTION("Texas Instruments DP83848 PHY driver"); +MODULE_AUTHOR("Andrew F. Davis <afd@ti.com"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/phy/mdio-mux-mmioreg.c b/drivers/net/phy/mdio-mux-mmioreg.c index 2377c1341172..7fde454fbc4f 100644 --- a/drivers/net/phy/mdio-mux-mmioreg.c +++ b/drivers/net/phy/mdio-mux-mmioreg.c @@ -113,12 +113,14 @@ static int mdio_mux_mmioreg_probe(struct platform_device *pdev) if (!iprop || len != sizeof(uint32_t)) { dev_err(&pdev->dev, "mdio-mux child node %s is " "missing a 'reg' property\n", np2->full_name); + of_node_put(np2); return -ENODEV; } if (be32_to_cpup(iprop) & ~s->mask) { dev_err(&pdev->dev, "mdio-mux child node %s has " "a 'reg' value with unmasked bits\n", np2->full_name); + of_node_put(np2); return -ENODEV; } } diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c index 280c7c311f72..908e8d486342 100644 --- a/drivers/net/phy/mdio-mux.c +++ b/drivers/net/phy/mdio-mux.c @@ -144,6 +144,7 @@ int mdio_mux_init(struct device *dev, dev_err(dev, "Error: Failed to allocate memory for child\n"); ret_val = -ENOMEM; + of_node_put(child_bus_node); break; } cb->bus_number = v; diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 499185eaf413..cf6312fafea5 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -514,6 +514,27 @@ static int ksz8873mll_read_status(struct phy_device *phydev) return 0; } +static int ksz9031_read_status(struct phy_device *phydev) +{ + int err; + int regval; + + err = genphy_read_status(phydev); + if (err) + return err; + + /* Make sure the PHY is not broken. Read idle error count, + * and reset the PHY if it is maxed out. + */ + regval = phy_read(phydev, MII_STAT1000); + if ((regval & 0xFF) == 0xFF) { + phy_init_hw(phydev); + phydev->link = 0; + } + + return 0; +} + static int ksz8873mll_config_aneg(struct phy_device *phydev) { return 0; @@ -772,7 +793,7 @@ static struct phy_driver ksphy_driver[] = { .driver_data = &ksz9021_type, .config_init = ksz9031_config_init, .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, + .read_status = ksz9031_read_status, .ack_interrupt = kszphy_ack_interrupt, .config_intr = kszphy_config_intr, .suspend = genphy_suspend, diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index 70b08958763a..dc2da8770918 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -43,16 +43,25 @@ static int smsc_phy_ack_interrupt(struct phy_device *phydev) static int smsc_phy_config_init(struct phy_device *phydev) { + int __maybe_unused len; + struct device *dev __maybe_unused = &phydev->dev; + struct device_node *of_node __maybe_unused = dev->of_node; int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); + int enable_energy = 1; if (rc < 0) return rc; - /* Enable energy detect mode for this SMSC Transceivers */ - rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS, - rc | MII_LAN83C185_EDPWRDOWN); - if (rc < 0) - return rc; + if (of_find_property(of_node, "smsc,disable-energy-detect", &len)) + enable_energy = 0; + + if (enable_energy) { + /* Enable energy detect mode for this SMSC Transceivers */ + rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS, + rc | MII_LAN83C185_EDPWRDOWN); + if (rc < 0) + return rc; + } return smsc_phy_ack_interrupt(phydev); } diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 3837ae344f63..5e0b43283bce 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -313,7 +313,6 @@ static void pppoe_flush_dev(struct net_device *dev) if (po->pppoe_dev == dev && sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND | PPPOX_ZOMBIE)) { pppox_unbind_sock(sk); - sk->sk_state = PPPOX_ZOMBIE; sk->sk_state_change(sk); po->pppoe_dev = NULL; dev_put(dev); @@ -590,7 +589,7 @@ static int pppoe_release(struct socket *sock) po = pppox_sk(sk); - if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND | PPPOX_ZOMBIE)) { + if (po->pppoe_dev) { dev_put(po->pppoe_dev); po->pppoe_dev = NULL; } diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index fbb9325d1f6e..e66805eeffb4 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -164,6 +164,7 @@ config USB_NET_AX8817X * Aten UC210T * ASIX AX88172 * Billionton Systems, USB2AR + * Billionton Systems, GUSB2AM-1G-B * Buffalo LUA-U2-KTX * Corega FEther USB2-TX * D-Link DUB-E100 diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index 75d6f26729a3..079069a060a6 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -91,8 +91,10 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, } rx->ax_skb = netdev_alloc_skb_ip_align(dev->net, rx->size); - if (!rx->ax_skb) + if (!rx->ax_skb) { + rx->size = 0; return 0; + } } if (rx->size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) { diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index 1173a24feda3..5cabefc23494 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -959,6 +959,10 @@ static const struct usb_device_id products [] = { USB_DEVICE (0x08dd, 0x90ff), .driver_info = (unsigned long) &ax8817x_info, }, { + // Billionton Systems, GUSB2AM-1G-B + USB_DEVICE(0x08dd, 0x0114), + .driver_info = (unsigned long) &ax88178_info, +}, { // ATEN UC210T USB_DEVICE (0x0557, 0x2009), .driver_info = (unsigned long) &ax8817x_info, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 355842b85ee9..2a7c1be23c4f 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -765,6 +765,10 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ + {QMI_FIXED_INTF(0x1199, 0x9070, 8)}, /* Sierra Wireless MC74xx/EM74xx */ + {QMI_FIXED_INTF(0x1199, 0x9070, 10)}, /* Sierra Wireless MC74xx/EM74xx */ + {QMI_FIXED_INTF(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx/EM74xx */ + {QMI_FIXED_INTF(0x1199, 0x9071, 10)}, /* Sierra Wireless MC74xx/EM74xx */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index bbac1d35ed4e..c1587ece28cf 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2337,6 +2337,46 @@ static int vxlan_change_mtu(struct net_device *dev, int new_mtu) return 0; } +static int egress_ipv4_tun_info(struct net_device *dev, struct sk_buff *skb, + struct ip_tunnel_info *info, + __be16 sport, __be16 dport) +{ + struct vxlan_dev *vxlan = netdev_priv(dev); + struct rtable *rt; + struct flowi4 fl4; + + memset(&fl4, 0, sizeof(fl4)); + fl4.flowi4_tos = RT_TOS(info->key.tos); + fl4.flowi4_mark = skb->mark; + fl4.flowi4_proto = IPPROTO_UDP; + fl4.daddr = info->key.u.ipv4.dst; + + rt = ip_route_output_key(vxlan->net, &fl4); + if (IS_ERR(rt)) + return PTR_ERR(rt); + ip_rt_put(rt); + + info->key.u.ipv4.src = fl4.saddr; + info->key.tp_src = sport; + info->key.tp_dst = dport; + return 0; +} + +static int vxlan_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) +{ + struct vxlan_dev *vxlan = netdev_priv(dev); + struct ip_tunnel_info *info = skb_tunnel_info(skb); + __be16 sport, dport; + + sport = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min, + vxlan->cfg.port_max, true); + dport = info->key.tp_dst ? : vxlan->cfg.dst_port; + + if (ip_tunnel_info_af(info) == AF_INET) + return egress_ipv4_tun_info(dev, skb, info, sport, dport); + return -EINVAL; +} + static const struct net_device_ops vxlan_netdev_ops = { .ndo_init = vxlan_init, .ndo_uninit = vxlan_uninit, @@ -2351,6 +2391,7 @@ static const struct net_device_ops vxlan_netdev_ops = { .ndo_fdb_add = vxlan_fdb_add, .ndo_fdb_del = vxlan_fdb_delete, .ndo_fdb_dump = vxlan_fdb_dump, + .ndo_fill_metadata_dst = vxlan_fill_metadata_dst, }; /* Info for udev, that this is a virtual tunnel endpoint */ @@ -2745,11 +2786,10 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, struct vxlan_config conf; int err; - if (!data[IFLA_VXLAN_ID]) - return -EINVAL; - memset(&conf, 0, sizeof(conf)); - conf.vni = nla_get_u32(data[IFLA_VXLAN_ID]); + + if (data[IFLA_VXLAN_ID]) + conf.vni = nla_get_u32(data[IFLA_VXLAN_ID]); if (data[IFLA_VXLAN_GROUP]) { conf.remote_ip.sin.sin_addr.s_addr = nla_get_in_addr(data[IFLA_VXLAN_GROUP]); diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 23afcda2de96..678d72af4a9d 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -337,7 +337,7 @@ enum ath10k_hw_rate_cck { #define TARGET_10X_MAX_FRAG_ENTRIES 0 /* 10.2 parameters */ -#define TARGET_10_2_DMA_BURST_SIZE 1 +#define TARGET_10_2_DMA_BURST_SIZE 0 /* Target specific defines for WMI-TLV firmware */ #define TARGET_TLV_NUM_VDEVS 4 @@ -391,7 +391,7 @@ enum ath10k_hw_rate_cck { #define TARGET_10_4_TX_DBG_LOG_SIZE 1024 #define TARGET_10_4_NUM_WDS_ENTRIES 32 -#define TARGET_10_4_DMA_BURST_SIZE 1 +#define TARGET_10_4_DMA_BURST_SIZE 0 #define TARGET_10_4_MAC_AGGR_DELIM 0 #define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1 #define TARGET_10_4_VOW_CONFIG 0 diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index 6e473fa4b13c..12241b1c57cd 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -715,6 +715,7 @@ static bool check_device_tree(struct ath6kl *ar) board_filename, ret); continue; } + of_node_put(node); return true; } return false; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 57f95f2dca5b..90eb75012e4f 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -880,6 +880,7 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->max_rate_tries = 10; hw->sta_data_size = sizeof(struct ath_node); hw->vif_data_size = sizeof(struct ath_vif); + hw->extra_tx_headroom = 4; hw->wiphy->available_antennas_rx = BIT(ah->caps.max_rxchains) - 1; hw->wiphy->available_antennas_tx = BIT(ah->caps.max_txchains) - 1; diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 28490702124a..71d3e9adbf3c 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -120,6 +120,7 @@ MODULE_PARM_DESC(allhwsupport, "Enable support for all hardware (even it if over #ifdef CONFIG_B43_BCMA static const struct bcma_device_id b43_bcma_tbl[] = { BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x11, BCMA_ANY_CLASS), + BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x15, BCMA_ANY_CLASS), BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x17, BCMA_ANY_CLASS), BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x18, BCMA_ANY_CLASS), BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1C, BCMA_ANY_CLASS), diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c index ab45819c1fbb..e18629a16fb0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/lib.c +++ b/drivers/net/wireless/iwlwifi/dvm/lib.c @@ -1020,7 +1020,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, u8 *pn = seq.ccmp.pn; ieee80211_get_key_rx_seq(key, i, &seq); - aes_sc->pn = cpu_to_le64( + aes_sc[i].pn = cpu_to_le64( (u64)pn[5] | ((u64)pn[4] << 8) | ((u64)pn[3] << 16) | diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index 6951aba620eb..3fb327d5a911 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -348,6 +348,6 @@ const struct iwl_cfg iwl7265d_n_cfg = { }; MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); -MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL3160_UCODE_API_OK)); +MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c index 04264e417c1c..576187611e61 100644 --- a/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -274,18 +274,13 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, break; case WLAN_CIPHER_SUITE_CCMP: if (sta) { - u8 *pn = seq.ccmp.pn; + u64 pn64; aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; - ieee80211_get_key_tx_seq(key, &seq); - aes_tx_sc->pn = cpu_to_le64((u64)pn[5] | - ((u64)pn[4] << 8) | - ((u64)pn[3] << 16) | - ((u64)pn[2] << 24) | - ((u64)pn[1] << 32) | - ((u64)pn[0] << 40)); + pn64 = atomic64_read(&key->tx_pn); + aes_tx_sc->pn = cpu_to_le64(pn64); } else { aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; } @@ -298,12 +293,12 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, u8 *pn = seq.ccmp.pn; ieee80211_get_key_rx_seq(key, i, &seq); - aes_sc->pn = cpu_to_le64((u64)pn[5] | - ((u64)pn[4] << 8) | - ((u64)pn[3] << 16) | - ((u64)pn[2] << 24) | - ((u64)pn[1] << 32) | - ((u64)pn[0] << 40)); + aes_sc[i].pn = cpu_to_le64((u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); } data->use_rsc_tsc = true; break; @@ -1453,15 +1448,15 @@ static void iwl_mvm_d3_update_gtks(struct ieee80211_hw *hw, switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: - iwl_mvm_aes_sc_to_seq(&sc->aes.tsc, &seq); iwl_mvm_set_aes_rx_seq(sc->aes.unicast_rsc, key); + atomic64_set(&key->tx_pn, le64_to_cpu(sc->aes.tsc.pn)); break; case WLAN_CIPHER_SUITE_TKIP: iwl_mvm_tkip_sc_to_seq(&sc->tkip.tsc, &seq); iwl_mvm_set_tkip_rx_seq(sc->tkip.unicast_rsc, key); + ieee80211_set_key_tx_seq(key, &seq); break; } - ieee80211_set_key_tx_seq(key, &seq); /* that's it for this key */ return; diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index 4a0ce83315bd..5c7f7cc9ffcc 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -703,7 +703,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) * abort after reading the nvm in case RF Kill is on, we will complete * the init seq later when RF kill will switch to off */ - if (iwl_mvm_is_radio_killed(mvm)) { + if (iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "jump over all phy activities due to RF kill\n"); iwl_remove_notification(&mvm->notif_wait, &calib_wait); @@ -736,7 +736,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, MVM_UCODE_CALIB_TIMEOUT); - if (ret && iwl_mvm_is_radio_killed(mvm)) { + if (ret && iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); ret = 1; } diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index aa8c2b7f23c7..7c2944a72470 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -2388,6 +2388,7 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); RCU_INIT_POINTER(mvm->csa_vif, NULL); + mvmvif->csa_countdown = false; } if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index b95a07ec9e36..c754051a4cea 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -860,6 +860,11 @@ static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); } +static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) +{ + return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); +} + /* Must be called with rcu_read_lock() held and it can only be * released when mvmsta is not needed anymore. */ diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index a37de3f410a0..f0cb092f980e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -590,6 +590,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, ieee80211_unregister_hw(mvm->hw); iwl_mvm_leds_exit(mvm); out_free: + flush_delayed_work(&mvm->fw_dump_wk); iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name) diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index b0825c402c73..644b58bc5226 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -414,6 +414,11 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x095A, 0x5590, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5290, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5490, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5F10, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095B, 0x5212, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095B, 0x520A, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9000, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9400, iwl7265_2ac_cfg)}, /* 8000 Series */ {IWL_PCI_DEVICE(0x24F3, 0x0010, iwl8260_2ac_cfg)}, diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 5932306084fd..bf9afbf46c1b 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -1114,6 +1114,7 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x0db0, 0x871c) }, { USB_DEVICE(0x0db0, 0x899a) }, /* Ovislink */ + { USB_DEVICE(0x1b75, 0x3070) }, { USB_DEVICE(0x1b75, 0x3071) }, { USB_DEVICE(0x1b75, 0x3072) }, { USB_DEVICE(0x1b75, 0xa200) }, diff --git a/drivers/net/wireless/rtlwifi/pci.h b/drivers/net/wireless/rtlwifi/pci.h index d4567d12e07e..5da6703942d9 100644 --- a/drivers/net/wireless/rtlwifi/pci.h +++ b/drivers/net/wireless/rtlwifi/pci.h @@ -247,6 +247,8 @@ struct rtl_pci { /* MSI support */ bool msi_support; bool using_msi; + /* interrupt clear before set */ + bool int_clear; }; struct mp_adapter { diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c index b7f18e2155eb..6e9418ed90c2 100644 --- a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c @@ -2253,11 +2253,28 @@ void rtl8821ae_set_qos(struct ieee80211_hw *hw, int aci) } } +static void rtl8821ae_clear_interrupt(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u32 tmp = rtl_read_dword(rtlpriv, REG_HISR); + + rtl_write_dword(rtlpriv, REG_HISR, tmp); + + tmp = rtl_read_dword(rtlpriv, REG_HISRE); + rtl_write_dword(rtlpriv, REG_HISRE, tmp); + + tmp = rtl_read_dword(rtlpriv, REG_HSISR); + rtl_write_dword(rtlpriv, REG_HSISR, tmp); +} + void rtl8821ae_enable_interrupt(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); + if (!rtlpci->int_clear) + rtl8821ae_clear_interrupt(hw);/*clear it here first*/ + rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & 0xFFFFFFFF); rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & 0xFFFFFFFF); rtlpci->irq_enabled = true; diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/sw.c b/drivers/net/wireless/rtlwifi/rtl8821ae/sw.c index a4988121e1ab..8ee141a55bc5 100644 --- a/drivers/net/wireless/rtlwifi/rtl8821ae/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/sw.c @@ -96,6 +96,7 @@ int rtl8821ae_init_sw_vars(struct ieee80211_hw *hw) rtl8821ae_bt_reg_init(hw); rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support; + rtlpci->int_clear = rtlpriv->cfg->mod_params->int_clear; rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer(); rtlpriv->dm.dm_initialgain_enable = 1; @@ -167,6 +168,7 @@ int rtl8821ae_init_sw_vars(struct ieee80211_hw *hw) rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps; rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps; rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support; + rtlpci->msi_support = rtlpriv->cfg->mod_params->int_clear; if (rtlpriv->cfg->mod_params->disable_watchdog) pr_info("watchdog disabled\n"); rtlpriv->psc.reg_fwctrl_lps = 3; @@ -308,6 +310,7 @@ static struct rtl_mod_params rtl8821ae_mod_params = { .swctrl_lps = false, .fwctrl_lps = true, .msi_support = true, + .int_clear = true, .debug = DBG_EMERG, .disable_watchdog = 0, }; @@ -437,6 +440,7 @@ module_param_named(fwlps, rtl8821ae_mod_params.fwctrl_lps, bool, 0444); module_param_named(msi, rtl8821ae_mod_params.msi_support, bool, 0444); module_param_named(disable_watchdog, rtl8821ae_mod_params.disable_watchdog, bool, 0444); +module_param_named(int_clear, rtl8821ae_mod_params.int_clear, bool, 0444); MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n"); MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n"); MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n"); @@ -444,6 +448,7 @@ MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n"); MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 1)\n"); MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)"); MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n"); +MODULE_PARM_DESC(int_clear, "Set to 1 to disable interrupt clear before set (default 0)\n"); static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume); diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h index b90ca618b123..4544752a2ba8 100644 --- a/drivers/net/wireless/rtlwifi/wifi.h +++ b/drivers/net/wireless/rtlwifi/wifi.h @@ -2249,6 +2249,9 @@ struct rtl_mod_params { /* default 0: 1 means disable */ bool disable_watchdog; + + /* default 0: 1 means do not disable interrupts */ + bool int_clear; }; struct rtl_hal_usbint_cfg { diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 929a6e7e5ecf..56ebd8267386 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -788,6 +788,12 @@ static void connect(struct backend_info *be) /* Use the number of queues requested by the frontend */ be->vif->queues = vzalloc(requested_num_queues * sizeof(struct xenvif_queue)); + if (!be->vif->queues) { + xenbus_dev_fatal(dev, -ENOMEM, + "allocating queues"); + return; + } + be->vif->num_queues = requested_num_queues; be->vif->stalled_queues = requested_num_queues; diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index f821a97d7827..6febc053a37f 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1706,19 +1706,19 @@ static void xennet_destroy_queues(struct netfront_info *info) } static int xennet_create_queues(struct netfront_info *info, - unsigned int num_queues) + unsigned int *num_queues) { unsigned int i; int ret; - info->queues = kcalloc(num_queues, sizeof(struct netfront_queue), + info->queues = kcalloc(*num_queues, sizeof(struct netfront_queue), GFP_KERNEL); if (!info->queues) return -ENOMEM; rtnl_lock(); - for (i = 0; i < num_queues; i++) { + for (i = 0; i < *num_queues; i++) { struct netfront_queue *queue = &info->queues[i]; queue->id = i; @@ -1728,7 +1728,7 @@ static int xennet_create_queues(struct netfront_info *info, if (ret < 0) { dev_warn(&info->netdev->dev, "only created %d queues\n", i); - num_queues = i; + *num_queues = i; break; } @@ -1738,11 +1738,11 @@ static int xennet_create_queues(struct netfront_info *info, napi_enable(&queue->napi); } - netif_set_real_num_tx_queues(info->netdev, num_queues); + netif_set_real_num_tx_queues(info->netdev, *num_queues); rtnl_unlock(); - if (num_queues == 0) { + if (*num_queues == 0) { dev_err(&info->netdev->dev, "no queues\n"); return -EINVAL; } @@ -1788,7 +1788,7 @@ static int talk_to_netback(struct xenbus_device *dev, if (info->queues) xennet_destroy_queues(info); - err = xennet_create_queues(info, num_queues); + err = xennet_create_queues(info, &num_queues); if (err < 0) goto destroy_ring; diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index d3c6676b3c0c..6fd4e5a5ef4a 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -67,7 +67,7 @@ static ssize_t bin_attr_nvmem_read(struct file *filp, struct kobject *kobj, int rc; /* Stop the user from reading */ - if (pos > nvmem->size) + if (pos >= nvmem->size) return 0; if (pos + count > nvmem->size) @@ -92,7 +92,7 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj, int rc; /* Stop the user from writing */ - if (pos > nvmem->size) + if (pos >= nvmem->size) return 0; if (pos + count > nvmem->size) @@ -825,7 +825,7 @@ static int __nvmem_cell_read(struct nvmem_device *nvmem, return rc; /* shift bits in-place */ - if (cell->bit_offset || cell->bit_offset) + if (cell->bit_offset || cell->nbits) nvmem_shift_read_buffer_in_place(cell, buf); *len = cell->bytes; @@ -938,7 +938,7 @@ int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len) rc = regmap_raw_write(nvmem->regmap, cell->offset, buf, cell->bytes); /* free the tmp buffer */ - if (cell->bit_offset) + if (cell->bit_offset || cell->nbits) kfree(buf); if (IS_ERR_VALUE(rc)) diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c index 14777dd5212d..cfa3b85064dd 100644 --- a/drivers/nvmem/sunxi_sid.c +++ b/drivers/nvmem/sunxi_sid.c @@ -103,7 +103,7 @@ static int sunxi_sid_probe(struct platform_device *pdev) struct nvmem_device *nvmem; struct regmap *regmap; struct sunxi_sid *sid; - int i, size; + int ret, i, size; char *randomness; sid = devm_kzalloc(dev, sizeof(*sid), GFP_KERNEL); @@ -131,6 +131,11 @@ static int sunxi_sid_probe(struct platform_device *pdev) return PTR_ERR(nvmem); randomness = kzalloc(sizeof(u8) * size, GFP_KERNEL); + if (!randomness) { + ret = -EINVAL; + goto err_unreg_nvmem; + } + for (i = 0; i < size; i++) randomness[i] = sunxi_sid_read_byte(sid, i); @@ -140,6 +145,10 @@ static int sunxi_sid_probe(struct platform_device *pdev) platform_set_drvdata(pdev, nvmem); return 0; + +err_unreg_nvmem: + nvmem_unregister(nvmem); + return ret; } static int sunxi_sid_remove(struct platform_device *pdev) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index d4497141d083..4a7da3c3e035 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1243,6 +1243,10 @@ static void pci_msi_domain_update_chip_ops(struct msi_domain_info *info) BUG_ON(!chip); if (!chip->irq_write_msi_msg) chip->irq_write_msi_msg = pci_msi_domain_write_msg; + if (!chip->irq_mask) + chip->irq_mask = pci_msi_mask_irq; + if (!chip->irq_unmask) + chip->irq_unmask = pci_msi_unmask_irq; } /** diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index dd652f2ae03d..108a3118ace7 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -299,9 +299,10 @@ static long local_pci_probe(void *_ddi) * Unbound PCI devices are always put in D0, regardless of * runtime PM status. During probe, the device is set to * active and the usage count is incremented. If the driver - * supports runtime PM, it should call pm_runtime_put_noidle() - * in its probe routine and pm_runtime_get_noresume() in its - * remove routine. + * supports runtime PM, it should call pm_runtime_put_noidle(), + * or any other runtime PM helper function decrementing the usage + * count, in its probe routine and pm_runtime_get_noresume() in + * its remove routine. */ pm_runtime_get_sync(dev); pci_dev->driver = pci_drv; diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 312f23a8429c..92618686604c 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -216,7 +216,7 @@ static ssize_t numa_node_store(struct device *dev, if (ret) return ret; - if (!node_online(node)) + if (node >= MAX_NUMNODES || !node_online(node)) return -EINVAL; add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 2365a32a595e..be3755c973e9 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -823,9 +823,15 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu) } /* Now look up the logical CPU number */ - for_each_possible_cpu(cpu) - if (dn == of_cpu_device_node_get(cpu)) + for_each_possible_cpu(cpu) { + struct device_node *cpu_dn; + + cpu_dn = of_cpu_device_node_get(cpu); + of_node_put(cpu_dn); + + if (dn == cpu_dn) break; + } if (cpu >= nr_cpu_ids) { pr_warn("Failed to find logical CPU for %s\n", diff --git a/drivers/phy/phy-berlin-sata.c b/drivers/phy/phy-berlin-sata.c index 0062027afb1e..77a2e054fdea 100644 --- a/drivers/phy/phy-berlin-sata.c +++ b/drivers/phy/phy-berlin-sata.c @@ -276,6 +276,7 @@ static const struct of_device_id phy_berlin_sata_of_match[] = { { .compatible = "marvell,berlin2q-sata-phy" }, { }, }; +MODULE_DEVICE_TABLE(of, phy_berlin_sata_of_match); static struct platform_driver phy_berlin_sata_driver = { .probe = phy_berlin_sata_probe, diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c index 49a1ed0cef56..107cb57c3513 100644 --- a/drivers/phy/phy-qcom-ufs.c +++ b/drivers/phy/phy-qcom-ufs.c @@ -432,6 +432,7 @@ out_disable_src: out: return ret; } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_ref_clk); static int ufs_qcom_phy_disable_vreg(struct phy *phy, @@ -474,6 +475,7 @@ void ufs_qcom_phy_disable_ref_clk(struct phy *generic_phy) phy->is_ref_clk_enabled = false; } } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_ref_clk); #define UFS_REF_CLK_EN (1 << 5) @@ -517,11 +519,13 @@ void ufs_qcom_phy_enable_dev_ref_clk(struct phy *generic_phy) { ufs_qcom_phy_dev_ref_clk_ctrl(generic_phy, true); } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_dev_ref_clk); void ufs_qcom_phy_disable_dev_ref_clk(struct phy *generic_phy) { ufs_qcom_phy_dev_ref_clk_ctrl(generic_phy, false); } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_dev_ref_clk); /* Turn ON M-PHY RMMI interface clocks */ int ufs_qcom_phy_enable_iface_clk(struct phy *generic_phy) @@ -550,6 +554,7 @@ int ufs_qcom_phy_enable_iface_clk(struct phy *generic_phy) out: return ret; } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_enable_iface_clk); /* Turn OFF M-PHY RMMI interface clocks */ void ufs_qcom_phy_disable_iface_clk(struct phy *generic_phy) @@ -562,6 +567,7 @@ void ufs_qcom_phy_disable_iface_clk(struct phy *generic_phy) phy->is_iface_clk_enabled = false; } } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_disable_iface_clk); int ufs_qcom_phy_start_serdes(struct phy *generic_phy) { @@ -578,6 +584,7 @@ int ufs_qcom_phy_start_serdes(struct phy *generic_phy) return ret; } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_start_serdes); int ufs_qcom_phy_set_tx_lane_enable(struct phy *generic_phy, u32 tx_lanes) { @@ -595,6 +602,7 @@ int ufs_qcom_phy_set_tx_lane_enable(struct phy *generic_phy, u32 tx_lanes) return ret; } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_set_tx_lane_enable); void ufs_qcom_phy_save_controller_version(struct phy *generic_phy, u8 major, u16 minor, u16 step) @@ -605,6 +613,7 @@ void ufs_qcom_phy_save_controller_version(struct phy *generic_phy, ufs_qcom_phy->host_ctrl_rev_minor = minor; ufs_qcom_phy->host_ctrl_rev_step = step; } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_save_controller_version); int ufs_qcom_phy_calibrate_phy(struct phy *generic_phy, bool is_rate_B) { @@ -625,6 +634,7 @@ int ufs_qcom_phy_calibrate_phy(struct phy *generic_phy, bool is_rate_B) return ret; } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate_phy); int ufs_qcom_phy_remove(struct phy *generic_phy, struct ufs_qcom_phy *ufs_qcom_phy) @@ -662,6 +672,7 @@ int ufs_qcom_phy_is_pcs_ready(struct phy *generic_phy) return ufs_qcom_phy->phy_spec_ops-> is_physical_coding_sublayer_ready(ufs_qcom_phy); } +EXPORT_SYMBOL_GPL(ufs_qcom_phy_is_pcs_ready); int ufs_qcom_phy_power_on(struct phy *generic_phy) { diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c index 5a5c073e72fe..91d6f342c565 100644 --- a/drivers/phy/phy-rockchip-usb.c +++ b/drivers/phy/phy-rockchip-usb.c @@ -98,6 +98,7 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev) struct device_node *child; struct regmap *grf; unsigned int reg_offset; + int err; grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf"); if (IS_ERR(grf)) { @@ -129,6 +130,11 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev) return PTR_ERR(rk_phy->phy); } phy_set_drvdata(rk_phy->phy, rk_phy); + + /* only power up usb phy when it use, so disable it when init*/ + err = rockchip_usb_phy_power(rk_phy, 1); + if (err) + return err; } phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); diff --git a/drivers/pinctrl/freescale/pinctrl-imx25.c b/drivers/pinctrl/freescale/pinctrl-imx25.c index faf635654312..293ed4381cc0 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx25.c +++ b/drivers/pinctrl/freescale/pinctrl-imx25.c @@ -26,7 +26,8 @@ #include "pinctrl-imx.h" enum imx25_pads { - MX25_PAD_RESERVE0 = 1, + MX25_PAD_RESERVE0 = 0, + MX25_PAD_RESERVE1 = 1, MX25_PAD_A10 = 2, MX25_PAD_A13 = 3, MX25_PAD_A14 = 4, @@ -169,6 +170,7 @@ enum imx25_pads { /* Pad names for the pinmux subsystem */ static const struct pinctrl_pin_desc imx25_pinctrl_pads[] = { IMX_PINCTRL_PIN(MX25_PAD_RESERVE0), + IMX_PINCTRL_PIN(MX25_PAD_RESERVE1), IMX_PINCTRL_PIN(MX25_PAD_A10), IMX_PINCTRL_PIN(MX25_PAD_A13), IMX_PINCTRL_PIN(MX25_PAD_A14), diff --git a/drivers/pinctrl/sunxi/pinctrl-sun5i-a10s.c b/drivers/pinctrl/sunxi/pinctrl-sun5i-a10s.c index 63676617bc59..f9a3f8f446f7 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun5i-a10s.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun5i-a10s.c @@ -653,7 +653,7 @@ static const struct sunxi_desc_pin sun5i_a10s_pins[] = { SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), SUNXI_FUNCTION(0x2, "spi1"), /* CS1 */ - SUNXI_FUNCTION(0x3, "uart3"), /* PWM1 */ + SUNXI_FUNCTION(0x3, "pwm"), /* PWM1 */ SUNXI_FUNCTION(0x5, "uart2"), /* CTS */ SUNXI_FUNCTION_IRQ(0x6, 13)), /* EINT13 */ }; diff --git a/drivers/pinctrl/uniphier/pinctrl-ph1-sld8.c b/drivers/pinctrl/uniphier/pinctrl-ph1-sld8.c index 7e9dae54fcb2..2df8bbecebfc 100644 --- a/drivers/pinctrl/uniphier/pinctrl-ph1-sld8.c +++ b/drivers/pinctrl/uniphier/pinctrl-ph1-sld8.c @@ -22,49 +22,49 @@ #define DRIVER_NAME "ph1-sld8-pinctrl" static const struct pinctrl_pin_desc ph1_sld8_pins[] = { - UNIPHIER_PINCTRL_PIN(0, "PCA00", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(0, "PCA00", 0, 15, UNIPHIER_PIN_DRV_4_8, 15, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(1, "PCA01", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(1, "PCA01", 0, 16, UNIPHIER_PIN_DRV_4_8, 16, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(2, "PCA02", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(2, "PCA02", 0, 17, UNIPHIER_PIN_DRV_4_8, 17, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(3, "PCA03", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(3, "PCA03", 0, 18, UNIPHIER_PIN_DRV_4_8, 18, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(4, "PCA04", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(4, "PCA04", 0, 19, UNIPHIER_PIN_DRV_4_8, 19, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(5, "PCA05", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(5, "PCA05", 0, 20, UNIPHIER_PIN_DRV_4_8, 20, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(6, "PCA06", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(6, "PCA06", 0, 21, UNIPHIER_PIN_DRV_4_8, 21, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(7, "PCA07", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(7, "PCA07", 0, 22, UNIPHIER_PIN_DRV_4_8, 22, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(8, "PCA08", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(8, "PCA08", 0, 23, UNIPHIER_PIN_DRV_4_8, 23, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(9, "PCA09", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(9, "PCA09", 0, 24, UNIPHIER_PIN_DRV_4_8, 24, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(10, "PCA10", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(10, "PCA10", 0, 25, UNIPHIER_PIN_DRV_4_8, 25, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(11, "PCA11", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(11, "PCA11", 0, 26, UNIPHIER_PIN_DRV_4_8, 26, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(12, "PCA12", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(12, "PCA12", 0, 27, UNIPHIER_PIN_DRV_4_8, 27, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(13, "PCA13", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(13, "PCA13", 0, 28, UNIPHIER_PIN_DRV_4_8, 28, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(14, "PCA14", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(14, "PCA14", 0, 29, UNIPHIER_PIN_DRV_4_8, 29, UNIPHIER_PIN_PULL_DOWN), UNIPHIER_PINCTRL_PIN(15, "XNFRE_GB", UNIPHIER_PIN_IECTRL_NONE, @@ -118,199 +118,199 @@ static const struct pinctrl_pin_desc ph1_sld8_pins[] = { UNIPHIER_PINCTRL_PIN(31, "NFD7_GB", UNIPHIER_PIN_IECTRL_NONE, 36, UNIPHIER_PIN_DRV_8_12_16_20, 128, UNIPHIER_PIN_PULL_UP), - UNIPHIER_PINCTRL_PIN(32, "SDCLK", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(32, "SDCLK", 8, 40, UNIPHIER_PIN_DRV_8_12_16_20, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(33, "SDCMD", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(33, "SDCMD", 8, 44, UNIPHIER_PIN_DRV_8_12_16_20, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(34, "SDDAT0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(34, "SDDAT0", 8, 48, UNIPHIER_PIN_DRV_8_12_16_20, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(35, "SDDAT1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(35, "SDDAT1", 8, 52, UNIPHIER_PIN_DRV_8_12_16_20, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(36, "SDDAT2", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(36, "SDDAT2", 8, 56, UNIPHIER_PIN_DRV_8_12_16_20, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(37, "SDDAT3", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(37, "SDDAT3", 8, 60, UNIPHIER_PIN_DRV_8_12_16_20, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(38, "SDCD", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(38, "SDCD", 8, -1, UNIPHIER_PIN_DRV_FIXED_4, 129, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(39, "SDWP", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(39, "SDWP", 8, -1, UNIPHIER_PIN_DRV_FIXED_4, 130, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(40, "SDVOLC", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(40, "SDVOLC", 9, -1, UNIPHIER_PIN_DRV_FIXED_4, 131, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(41, "USB0VBUS", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(41, "USB0VBUS", 0, 37, UNIPHIER_PIN_DRV_4_8, 37, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(42, "USB0OD", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(42, "USB0OD", 0, 38, UNIPHIER_PIN_DRV_4_8, 38, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(43, "USB1VBUS", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(43, "USB1VBUS", 0, 39, UNIPHIER_PIN_DRV_4_8, 39, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(44, "USB1OD", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(44, "USB1OD", 0, 40, UNIPHIER_PIN_DRV_4_8, 40, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(45, "PCRESET", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(45, "PCRESET", 0, 41, UNIPHIER_PIN_DRV_4_8, 41, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(46, "PCREG", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(46, "PCREG", 0, 42, UNIPHIER_PIN_DRV_4_8, 42, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(47, "PCCE2", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(47, "PCCE2", 0, 43, UNIPHIER_PIN_DRV_4_8, 43, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(48, "PCVS1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(48, "PCVS1", 0, 44, UNIPHIER_PIN_DRV_4_8, 44, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(49, "PCCD2", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(49, "PCCD2", 0, 45, UNIPHIER_PIN_DRV_4_8, 45, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(50, "PCCD1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(50, "PCCD1", 0, 46, UNIPHIER_PIN_DRV_4_8, 46, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(51, "PCREADY", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(51, "PCREADY", 0, 47, UNIPHIER_PIN_DRV_4_8, 47, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(52, "PCDOE", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(52, "PCDOE", 0, 48, UNIPHIER_PIN_DRV_4_8, 48, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(53, "PCCE1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(53, "PCCE1", 0, 49, UNIPHIER_PIN_DRV_4_8, 49, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(54, "PCWE", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(54, "PCWE", 0, 50, UNIPHIER_PIN_DRV_4_8, 50, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(55, "PCOE", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(55, "PCOE", 0, 51, UNIPHIER_PIN_DRV_4_8, 51, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(56, "PCWAIT", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(56, "PCWAIT", 0, 52, UNIPHIER_PIN_DRV_4_8, 52, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(57, "PCIOWR", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(57, "PCIOWR", 0, 53, UNIPHIER_PIN_DRV_4_8, 53, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(58, "PCIORD", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(58, "PCIORD", 0, 54, UNIPHIER_PIN_DRV_4_8, 54, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(59, "HS0DIN0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(59, "HS0DIN0", 0, 55, UNIPHIER_PIN_DRV_4_8, 55, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(60, "HS0DIN1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(60, "HS0DIN1", 0, 56, UNIPHIER_PIN_DRV_4_8, 56, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(61, "HS0DIN2", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(61, "HS0DIN2", 0, 57, UNIPHIER_PIN_DRV_4_8, 57, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(62, "HS0DIN3", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(62, "HS0DIN3", 0, 58, UNIPHIER_PIN_DRV_4_8, 58, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(63, "HS0DIN4", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(63, "HS0DIN4", 0, 59, UNIPHIER_PIN_DRV_4_8, 59, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(64, "HS0DIN5", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(64, "HS0DIN5", 0, 60, UNIPHIER_PIN_DRV_4_8, 60, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(65, "HS0DIN6", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(65, "HS0DIN6", 0, 61, UNIPHIER_PIN_DRV_4_8, 61, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(66, "HS0DIN7", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(66, "HS0DIN7", 0, 62, UNIPHIER_PIN_DRV_4_8, 62, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(67, "HS0BCLKIN", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(67, "HS0BCLKIN", 0, 63, UNIPHIER_PIN_DRV_4_8, 63, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(68, "HS0VALIN", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(68, "HS0VALIN", 0, 64, UNIPHIER_PIN_DRV_4_8, 64, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(69, "HS0SYNCIN", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(69, "HS0SYNCIN", 0, 65, UNIPHIER_PIN_DRV_4_8, 65, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(70, "HSDOUT0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(70, "HSDOUT0", 0, 66, UNIPHIER_PIN_DRV_4_8, 66, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(71, "HSDOUT1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(71, "HSDOUT1", 0, 67, UNIPHIER_PIN_DRV_4_8, 67, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(72, "HSDOUT2", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(72, "HSDOUT2", 0, 68, UNIPHIER_PIN_DRV_4_8, 68, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(73, "HSDOUT3", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(73, "HSDOUT3", 0, 69, UNIPHIER_PIN_DRV_4_8, 69, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(74, "HSDOUT4", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(74, "HSDOUT4", 0, 70, UNIPHIER_PIN_DRV_4_8, 70, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(75, "HSDOUT5", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(75, "HSDOUT5", 0, 71, UNIPHIER_PIN_DRV_4_8, 71, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(76, "HSDOUT6", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(76, "HSDOUT6", 0, 72, UNIPHIER_PIN_DRV_4_8, 72, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(77, "HSDOUT7", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(77, "HSDOUT7", 0, 73, UNIPHIER_PIN_DRV_4_8, 73, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(78, "HSBCLKOUT", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(78, "HSBCLKOUT", 0, 74, UNIPHIER_PIN_DRV_4_8, 74, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(79, "HSVALOUT", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(79, "HSVALOUT", 0, 75, UNIPHIER_PIN_DRV_4_8, 75, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(80, "HSSYNCOUT", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(80, "HSSYNCOUT", 0, 76, UNIPHIER_PIN_DRV_4_8, 76, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(81, "HS1DIN0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(81, "HS1DIN0", 0, 77, UNIPHIER_PIN_DRV_4_8, 77, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(82, "HS1DIN1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(82, "HS1DIN1", 0, 78, UNIPHIER_PIN_DRV_4_8, 78, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(83, "HS1DIN2", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(83, "HS1DIN2", 0, 79, UNIPHIER_PIN_DRV_4_8, 79, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(84, "HS1DIN3", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(84, "HS1DIN3", 0, 80, UNIPHIER_PIN_DRV_4_8, 80, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(85, "HS1DIN4", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(85, "HS1DIN4", 0, 81, UNIPHIER_PIN_DRV_4_8, 81, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(86, "HS1DIN5", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(86, "HS1DIN5", 0, 82, UNIPHIER_PIN_DRV_4_8, 82, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(87, "HS1DIN6", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(87, "HS1DIN6", 0, 83, UNIPHIER_PIN_DRV_4_8, 83, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(88, "HS1DIN7", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(88, "HS1DIN7", 0, 84, UNIPHIER_PIN_DRV_4_8, 84, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(89, "HS1BCLKIN", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(89, "HS1BCLKIN", 0, 85, UNIPHIER_PIN_DRV_4_8, 85, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(90, "HS1VALIN", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(90, "HS1VALIN", 0, 86, UNIPHIER_PIN_DRV_4_8, 86, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(91, "HS1SYNCIN", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(91, "HS1SYNCIN", 0, 87, UNIPHIER_PIN_DRV_4_8, 87, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(92, "AGCI", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(92, "AGCI", 3, -1, UNIPHIER_PIN_DRV_FIXED_4, 132, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(93, "AGCR", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(93, "AGCR", 4, -1, UNIPHIER_PIN_DRV_FIXED_4, 133, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(94, "AGCBS", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(94, "AGCBS", 5, -1, UNIPHIER_PIN_DRV_FIXED_4, 134, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(95, "IECOUT", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(95, "IECOUT", 0, 88, UNIPHIER_PIN_DRV_4_8, 88, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(96, "ASMCK", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(96, "ASMCK", 0, 89, UNIPHIER_PIN_DRV_4_8, 89, UNIPHIER_PIN_PULL_DOWN), UNIPHIER_PINCTRL_PIN(97, "ABCKO", UNIPHIER_PIN_IECTRL_NONE, @@ -325,31 +325,31 @@ static const struct pinctrl_pin_desc ph1_sld8_pins[] = { UNIPHIER_PINCTRL_PIN(100, "ASDOUT1", UNIPHIER_PIN_IECTRL_NONE, 93, UNIPHIER_PIN_DRV_4_8, 93, UNIPHIER_PIN_PULL_UP), - UNIPHIER_PINCTRL_PIN(101, "ARCOUT", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(101, "ARCOUT", 0, 94, UNIPHIER_PIN_DRV_4_8, 94, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(102, "SDA0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(102, "SDA0", 10, -1, UNIPHIER_PIN_DRV_FIXED_4, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(103, "SCL0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(103, "SCL0", 10, -1, UNIPHIER_PIN_DRV_FIXED_4, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(104, "SDA1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(104, "SDA1", 11, -1, UNIPHIER_PIN_DRV_FIXED_4, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(105, "SCL1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(105, "SCL1", 11, -1, UNIPHIER_PIN_DRV_FIXED_4, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(106, "DMDSDA0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(106, "DMDSDA0", 12, -1, UNIPHIER_PIN_DRV_FIXED_4, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(107, "DMDSCL0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(107, "DMDSCL0", 12, -1, UNIPHIER_PIN_DRV_FIXED_4, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(108, "DMDSDA1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(108, "DMDSDA1", 13, -1, UNIPHIER_PIN_DRV_FIXED_4, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(109, "DMDSCL1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(109, "DMDSCL1", 13, -1, UNIPHIER_PIN_DRV_FIXED_4, -1, UNIPHIER_PIN_PULL_NONE), UNIPHIER_PINCTRL_PIN(110, "SBO0", UNIPHIER_PIN_IECTRL_NONE, @@ -358,76 +358,76 @@ static const struct pinctrl_pin_desc ph1_sld8_pins[] = { UNIPHIER_PINCTRL_PIN(111, "SBI0", UNIPHIER_PIN_IECTRL_NONE, 96, UNIPHIER_PIN_DRV_4_8, 96, UNIPHIER_PIN_PULL_UP), - UNIPHIER_PINCTRL_PIN(112, "SBO1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(112, "SBO1", 0, 97, UNIPHIER_PIN_DRV_4_8, 97, UNIPHIER_PIN_PULL_UP), - UNIPHIER_PINCTRL_PIN(113, "SBI1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(113, "SBI1", 0, 98, UNIPHIER_PIN_DRV_4_8, 98, UNIPHIER_PIN_PULL_UP), - UNIPHIER_PINCTRL_PIN(114, "TXD1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(114, "TXD1", 0, 99, UNIPHIER_PIN_DRV_4_8, 99, UNIPHIER_PIN_PULL_UP), - UNIPHIER_PINCTRL_PIN(115, "RXD1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(115, "RXD1", 0, 100, UNIPHIER_PIN_DRV_4_8, 100, UNIPHIER_PIN_PULL_UP), - UNIPHIER_PINCTRL_PIN(116, "HIN", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(116, "HIN", 1, -1, UNIPHIER_PIN_DRV_FIXED_5, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(117, "VIN", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(117, "VIN", 2, -1, UNIPHIER_PIN_DRV_FIXED_5, -1, UNIPHIER_PIN_PULL_NONE), - UNIPHIER_PINCTRL_PIN(118, "TCON0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(118, "TCON0", 0, 101, UNIPHIER_PIN_DRV_4_8, 101, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(119, "TCON1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(119, "TCON1", 0, 102, UNIPHIER_PIN_DRV_4_8, 102, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(120, "TCON2", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(120, "TCON2", 0, 103, UNIPHIER_PIN_DRV_4_8, 103, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(121, "TCON3", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(121, "TCON3", 0, 104, UNIPHIER_PIN_DRV_4_8, 104, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(122, "TCON4", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(122, "TCON4", 0, 105, UNIPHIER_PIN_DRV_4_8, 105, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(123, "TCON5", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(123, "TCON5", 0, 106, UNIPHIER_PIN_DRV_4_8, 106, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(124, "TCON6", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(124, "TCON6", 0, 107, UNIPHIER_PIN_DRV_4_8, 107, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(125, "TCON7", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(125, "TCON7", 0, 108, UNIPHIER_PIN_DRV_4_8, 108, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(126, "TCON8", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(126, "TCON8", 0, 109, UNIPHIER_PIN_DRV_4_8, 109, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(127, "PWMA", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(127, "PWMA", 0, 110, UNIPHIER_PIN_DRV_4_8, 110, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(128, "XIRQ0", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(128, "XIRQ0", 0, 111, UNIPHIER_PIN_DRV_4_8, 111, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(129, "XIRQ1", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(129, "XIRQ1", 0, 112, UNIPHIER_PIN_DRV_4_8, 112, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(130, "XIRQ2", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(130, "XIRQ2", 0, 113, UNIPHIER_PIN_DRV_4_8, 113, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(131, "XIRQ3", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(131, "XIRQ3", 0, 114, UNIPHIER_PIN_DRV_4_8, 114, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(132, "XIRQ4", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(132, "XIRQ4", 0, 115, UNIPHIER_PIN_DRV_4_8, 115, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(133, "XIRQ5", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(133, "XIRQ5", 0, 116, UNIPHIER_PIN_DRV_4_8, 116, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(134, "XIRQ6", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(134, "XIRQ6", 0, 117, UNIPHIER_PIN_DRV_4_8, 117, UNIPHIER_PIN_PULL_DOWN), - UNIPHIER_PINCTRL_PIN(135, "XIRQ7", UNIPHIER_PIN_IECTRL_NONE, + UNIPHIER_PINCTRL_PIN(135, "XIRQ7", 0, 118, UNIPHIER_PIN_DRV_4_8, 118, UNIPHIER_PIN_PULL_DOWN), }; diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 01bf3476a791..a9567af7cec0 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -192,9 +192,9 @@ static const struct regulator_desc axp22x_regulators[] = { AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20, AXP22X_DCDC3_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)), AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20, - AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)), + AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(4)), AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50, - AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(4)), + AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(5)), /* secondary switchable output of DCDC1 */ AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", "dcdc1", 1600, 3400, 100, AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(7)), diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 7849187d91ae..8a34f6acc801 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1403,6 +1403,10 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) return 0; } + /* Did the lookup explicitly defer for us? */ + if (ret == -EPROBE_DEFER) + return ret; + if (have_full_constraints()) { r = dummy_regulator_rdev; } else { diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index add419d6ff34..a56a7b243e91 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -212,6 +212,17 @@ static const struct file_operations twa_fops = { .llseek = noop_llseek, }; +/* + * The controllers use an inline buffer instead of a mapped SGL for small, + * single entry buffers. Note that we treat a zero-length transfer like + * a mapped SGL. + */ +static bool twa_command_mapped(struct scsi_cmnd *cmd) +{ + return scsi_sg_count(cmd) != 1 || + scsi_bufflen(cmd) >= TW_MIN_SGL_LENGTH; +} + /* This function will complete an aen request from the isr */ static int twa_aen_complete(TW_Device_Extension *tw_dev, int request_id) { @@ -1339,7 +1350,8 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance) } /* Now complete the io */ - scsi_dma_unmap(cmd); + if (twa_command_mapped(cmd)) + scsi_dma_unmap(cmd); cmd->scsi_done(cmd); tw_dev->state[request_id] = TW_S_COMPLETED; twa_free_request_id(tw_dev, request_id); @@ -1582,7 +1594,8 @@ static int twa_reset_device_extension(TW_Device_Extension *tw_dev) struct scsi_cmnd *cmd = tw_dev->srb[i]; cmd->result = (DID_RESET << 16); - scsi_dma_unmap(cmd); + if (twa_command_mapped(cmd)) + scsi_dma_unmap(cmd); cmd->scsi_done(cmd); } } @@ -1765,12 +1778,14 @@ static int twa_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_ retval = twa_scsiop_execute_scsi(tw_dev, request_id, NULL, 0, NULL); switch (retval) { case SCSI_MLQUEUE_HOST_BUSY: - scsi_dma_unmap(SCpnt); + if (twa_command_mapped(SCpnt)) + scsi_dma_unmap(SCpnt); twa_free_request_id(tw_dev, request_id); break; case 1: SCpnt->result = (DID_ERROR << 16); - scsi_dma_unmap(SCpnt); + if (twa_command_mapped(SCpnt)) + scsi_dma_unmap(SCpnt); done(SCpnt); tw_dev->state[request_id] = TW_S_COMPLETED; twa_free_request_id(tw_dev, request_id); @@ -1831,8 +1846,7 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, /* Map sglist from scsi layer to cmd packet */ if (scsi_sg_count(srb)) { - if ((scsi_sg_count(srb) == 1) && - (scsi_bufflen(srb) < TW_MIN_SGL_LENGTH)) { + if (!twa_command_mapped(srb)) { if (srb->sc_data_direction == DMA_TO_DEVICE || srb->sc_data_direction == DMA_BIDIRECTIONAL) scsi_sg_copy_to_buffer(srb, @@ -1905,7 +1919,7 @@ static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int re { struct scsi_cmnd *cmd = tw_dev->srb[request_id]; - if (scsi_bufflen(cmd) < TW_MIN_SGL_LENGTH && + if (!twa_command_mapped(cmd) && (cmd->sc_data_direction == DMA_FROM_DEVICE || cmd->sc_data_direction == DMA_BIDIRECTIONAL)) { if (scsi_sg_count(cmd) == 1) { diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 33c74d3436c9..6bffd91b973a 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -976,13 +976,13 @@ static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr) wake_up(&conn->ehwait); } -static void iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) +static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) { struct iscsi_nopout hdr; struct iscsi_task *task; if (!rhdr && conn->ping_task) - return; + return -EINVAL; memset(&hdr, 0, sizeof(struct iscsi_nopout)); hdr.opcode = ISCSI_OP_NOOP_OUT | ISCSI_OP_IMMEDIATE; @@ -996,13 +996,16 @@ static void iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) hdr.ttt = RESERVED_ITT; task = __iscsi_conn_send_pdu(conn, (struct iscsi_hdr *)&hdr, NULL, 0); - if (!task) + if (!task) { iscsi_conn_printk(KERN_ERR, conn, "Could not send nopout\n"); - else if (!rhdr) { + return -EIO; + } else if (!rhdr) { /* only track our nops */ conn->ping_task = task; conn->last_ping = jiffies; } + + return 0; } static int iscsi_nop_out_rsp(struct iscsi_task *task, @@ -2092,8 +2095,10 @@ static void iscsi_check_transport_timeouts(unsigned long data) if (time_before_eq(last_recv + recv_timeout, jiffies)) { /* send a ping to try to provoke some traffic */ ISCSI_DBG_CONN(conn, "Sending nopout as ping\n"); - iscsi_send_nopout(conn, NULL); - next_timeout = conn->last_ping + (conn->ping_timeout * HZ); + if (iscsi_send_nopout(conn, NULL)) + next_timeout = jiffies + (1 * HZ); + else + next_timeout = conn->last_ping + (conn->ping_timeout * HZ); } else next_timeout = last_recv + recv_timeout; diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 454536c49315..9c780740fb82 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -887,6 +887,8 @@ static void mvs_slot_free(struct mvs_info *mvi, u32 rx_desc) static void mvs_slot_task_free(struct mvs_info *mvi, struct sas_task *task, struct mvs_slot_info *slot, u32 slot_idx) { + if (!slot) + return; if (!slot->task) return; if (!sas_protocol_ata(task->task_proto)) diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c index edb044a7b56d..e7649ed3f667 100644 --- a/drivers/scsi/scsi_dh.c +++ b/drivers/scsi/scsi_dh.c @@ -111,7 +111,7 @@ static struct scsi_device_handler *scsi_dh_lookup(const char *name) dh = __scsi_dh_lookup(name); if (!dh) { - request_module(name); + request_module("scsi_dh_%s", name); dh = __scsi_dh_lookup(name); } @@ -226,16 +226,20 @@ int scsi_dh_add_device(struct scsi_device *sdev) drv = scsi_dh_find_driver(sdev); if (drv) - devinfo = scsi_dh_lookup(drv); + devinfo = __scsi_dh_lookup(drv); if (devinfo) err = scsi_dh_handler_attach(sdev, devinfo); return err; } -void scsi_dh_remove_device(struct scsi_device *sdev) +void scsi_dh_release_device(struct scsi_device *sdev) { if (sdev->handler) scsi_dh_handler_detach(sdev); +} + +void scsi_dh_remove_device(struct scsi_device *sdev) +{ device_remove_file(&sdev->sdev_gendev, &scsi_dh_state_attr); } diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index cbfc5990052b..126a48c6431e 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1957,7 +1957,7 @@ static int scsi_mq_prep_fn(struct request *req) static void scsi_mq_done(struct scsi_cmnd *cmd) { trace_scsi_dispatch_cmd_done(cmd); - blk_mq_complete_request(cmd->request); + blk_mq_complete_request(cmd->request, cmd->request->errors); } static int scsi_queue_rq(struct blk_mq_hw_ctx *hctx, diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 644bb7339b55..4d01cdb1b348 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -173,9 +173,11 @@ extern struct async_domain scsi_sd_probe_domain; /* scsi_dh.c */ #ifdef CONFIG_SCSI_DH int scsi_dh_add_device(struct scsi_device *sdev); +void scsi_dh_release_device(struct scsi_device *sdev); void scsi_dh_remove_device(struct scsi_device *sdev); #else static inline int scsi_dh_add_device(struct scsi_device *sdev) { return 0; } +static inline void scsi_dh_release_device(struct scsi_device *sdev) { } static inline void scsi_dh_remove_device(struct scsi_device *sdev) { } #endif diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index b333389f248f..dff8fafb741c 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -399,6 +399,8 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work) sdev = container_of(work, struct scsi_device, ew.work); + scsi_dh_release_device(sdev); + parent = sdev->sdev_gendev.parent; spin_lock_irqsave(sdev->host->host_lock, flags); diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 3cf9faa6cc3f..a85d863d4a44 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -992,11 +992,12 @@ static int davinci_spi_probe(struct platform_device *pdev) goto free_master; } - dspi->irq = platform_get_irq(pdev, 0); - if (dspi->irq <= 0) { + ret = platform_get_irq(pdev, 0); + if (ret == 0) ret = -EINVAL; + if (ret < 0) goto free_master; - } + dspi->irq = ret; ret = devm_request_threaded_irq(&pdev->dev, dspi->irq, davinci_spi_irq, dummy_thread_fn, 0, dev_name(&pdev->dev), dspi); diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c index 23685e74917e..bd2c69f85949 100644 --- a/drivers/staging/iio/accel/sca3000_ring.c +++ b/drivers/staging/iio/accel/sca3000_ring.c @@ -116,7 +116,7 @@ static int sca3000_read_first_n_hw_rb(struct iio_buffer *r, if (ret) goto error_ret; - for (i = 0; i < num_read; i++) + for (i = 0; i < num_read / sizeof(u16); i++) *(((u16 *)rx) + i) = be16_to_cpup((__be16 *)rx + i); if (copy_to_user(buf, rx, num_read)) diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index 3f7715c9968b..47fc00a3f63b 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -915,11 +915,12 @@ static int mxs_lradc_read_raw(struct iio_dev *iio_dev, case IIO_CHAN_INFO_OFFSET: if (chan->type == IIO_TEMP) { /* The calculated value from the ADC is in Kelvin, we - * want Celsius for hwmon so the offset is - * -272.15 * scale + * want Celsius for hwmon so the offset is -273.15 + * The offset is applied before scaling so it is + * actually -213.15 * 4 / 1.012 = -1079.644268 */ - *val = -1075; - *val2 = 691699; + *val = -1079; + *val2 = 644268; return IIO_VAL_INT_PLUS_MICRO; } diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index 769b61193d87..a9bc6e23fc25 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -224,7 +224,7 @@ static int ll_dir_filler(void *_hash, struct page *page0) prefetchw(&page->flags); ret = add_to_page_cache_lru(page, inode->i_mapping, offset, - GFP_KERNEL); + GFP_NOFS); if (ret == 0) { unlock_page(page); } else { diff --git a/drivers/staging/speakup/fakekey.c b/drivers/staging/speakup/fakekey.c index 4299cf45f947..5e1f16c36b49 100644 --- a/drivers/staging/speakup/fakekey.c +++ b/drivers/staging/speakup/fakekey.c @@ -81,6 +81,7 @@ void speakup_fake_down_arrow(void) __this_cpu_write(reporting_keystroke, true); input_report_key(virt_keyboard, KEY_DOWN, PRESSED); input_report_key(virt_keyboard, KEY_DOWN, RELEASED); + input_sync(virt_keyboard); __this_cpu_write(reporting_keystroke, false); /* reenable preemption */ diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c index 7ff96270c933..e570ff084add 100644 --- a/drivers/thermal/power_allocator.c +++ b/drivers/thermal/power_allocator.c @@ -144,6 +144,16 @@ static void estimate_pid_constants(struct thermal_zone_device *tz, switch_on_temp = 0; temperature_threshold = control_temp - switch_on_temp; + /* + * estimate_pid_constants() tries to find appropriate default + * values for thermal zones that don't provide them. If a + * system integrator has configured a thermal zone with two + * passive trip points at the same temperature, that person + * hasn't put any effort to set up the thermal zone properly + * so just give up. + */ + if (!temperature_threshold) + return; if (!tz->tzp->k_po || force) tz->tzp->k_po = int_to_frac(sustainable_power) / diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 0bae8cc6c23a..ca920b0ecf8f 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -932,7 +932,7 @@ static void exynos4412_tmu_set_emulation(struct exynos_tmu_data *data, if (data->soc == SOC_ARCH_EXYNOS5260) emul_con = EXYNOS5260_EMUL_CON; - if (data->soc == SOC_ARCH_EXYNOS5433) + else if (data->soc == SOC_ARCH_EXYNOS5433) emul_con = EXYNOS5433_TMU_EMUL_CON; else if (data->soc == SOC_ARCH_EXYNOS7) emul_con = EXYNOS7_TMU_REG_EMUL_CON; diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 20932cc9c8f7..b09023b07169 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -343,8 +343,7 @@ static void n_tty_packet_mode_flush(struct tty_struct *tty) spin_lock_irqsave(&tty->ctrl_lock, flags); tty->ctrl_status |= TIOCPKT_FLUSHREAD; spin_unlock_irqrestore(&tty->ctrl_lock, flags); - if (waitqueue_active(&tty->link->read_wait)) - wake_up_interruptible(&tty->link->read_wait); + wake_up_interruptible(&tty->link->read_wait); } } @@ -1382,8 +1381,7 @@ handle_newline: put_tty_queue(c, ldata); smp_store_release(&ldata->canon_head, ldata->read_head); kill_fasync(&tty->fasync, SIGIO, POLL_IN); - if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible_poll(&tty->read_wait, POLLIN); + wake_up_interruptible_poll(&tty->read_wait, POLLIN); return 0; } } @@ -1667,8 +1665,7 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, if ((read_cnt(ldata) >= ldata->minimum_to_wake) || L_EXTPROC(tty)) { kill_fasync(&tty->fasync, SIGIO, POLL_IN); - if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible_poll(&tty->read_wait, POLLIN); + wake_up_interruptible_poll(&tty->read_wait, POLLIN); } } @@ -1887,10 +1884,8 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) } /* The termios change make the tty ready for I/O */ - if (waitqueue_active(&tty->write_wait)) - wake_up_interruptible(&tty->write_wait); - if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible(&tty->read_wait); + wake_up_interruptible(&tty->write_wait); + wake_up_interruptible(&tty->read_wait); } /** diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c index 21d01a491405..e508939daea3 100644 --- a/drivers/tty/serial/8250/8250_dma.c +++ b/drivers/tty/serial/8250/8250_dma.c @@ -80,10 +80,6 @@ int serial8250_tx_dma(struct uart_8250_port *p) return 0; dma->tx_size = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE); - if (dma->tx_size < p->port.fifosize) { - ret = -EINVAL; - goto err; - } desc = dmaengine_prep_slave_single(dma->txchan, dma->tx_addr + xmit->tail, diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index b1e0ba3e525b..0bbf34035d6a 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -261,6 +261,14 @@ configured less than Maximum supported fifo bytes */ UART_FCR7_64BYTE, .flags = UART_CAP_FIFO, }, + [PORT_RT2880] = { + .name = "Palmchip BK-3103", + .fifo_size = 16, + .tx_loadsz = 16, + .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, + .rxtrig_bytes = {1, 4, 8, 14}, + .flags = UART_CAP_FIFO, + }, }; /* Uart divisor latch read */ diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 5ca5cf3e9359..538ea03bc101 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -2786,7 +2786,7 @@ static int atmel_serial_probe(struct platform_device *pdev) ret = atmel_init_gpios(port, &pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "Failed to initialize GPIOs."); - goto err; + goto err_clear_bit; } ret = atmel_init_port(port, pdev); diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index fe3d41cc8416..d0388a071ba1 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1631,12 +1631,12 @@ imx_console_write(struct console *co, const char *s, unsigned int count) int locked = 1; int retval; - retval = clk_prepare_enable(sport->clk_per); + retval = clk_enable(sport->clk_per); if (retval) return; - retval = clk_prepare_enable(sport->clk_ipg); + retval = clk_enable(sport->clk_ipg); if (retval) { - clk_disable_unprepare(sport->clk_per); + clk_disable(sport->clk_per); return; } @@ -1675,8 +1675,8 @@ imx_console_write(struct console *co, const char *s, unsigned int count) if (locked) spin_unlock_irqrestore(&sport->port.lock, flags); - clk_disable_unprepare(sport->clk_ipg); - clk_disable_unprepare(sport->clk_per); + clk_disable(sport->clk_ipg); + clk_disable(sport->clk_per); } /* @@ -1777,7 +1777,15 @@ imx_console_setup(struct console *co, char *options) retval = uart_set_options(&sport->port, co, baud, parity, bits, flow); - clk_disable_unprepare(sport->clk_ipg); + clk_disable(sport->clk_ipg); + if (retval) { + clk_unprepare(sport->clk_ipg); + goto error_console; + } + + retval = clk_prepare(sport->clk_per); + if (retval) + clk_disable_unprepare(sport->clk_ipg); error_console: return retval; diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 5a3fa8913880..a660ab181cca 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -242,7 +242,10 @@ void tty_buffer_flush(struct tty_struct *tty, struct tty_ldisc *ld) atomic_inc(&buf->priority); mutex_lock(&buf->lock); - while ((next = buf->head->next) != NULL) { + /* paired w/ release in __tty_buffer_request_room; ensures there are + * no pending memory accesses to the freed buffer + */ + while ((next = smp_load_acquire(&buf->head->next)) != NULL) { tty_buffer_free(port, buf->head); buf->head = next; } @@ -290,7 +293,10 @@ static int __tty_buffer_request_room(struct tty_port *port, size_t size, if (n != NULL) { n->flags = flags; buf->tail = n; - b->commit = b->used; + /* paired w/ acquire in flush_to_ldisc(); ensures + * flush_to_ldisc() sees buffer data. + */ + smp_store_release(&b->commit, b->used); /* paired w/ acquire in flush_to_ldisc(); ensures the * latest commit value can be read before the head is * advanced to the next buffer @@ -393,7 +399,10 @@ void tty_schedule_flip(struct tty_port *port) { struct tty_bufhead *buf = &port->buf; - buf->tail->commit = buf->tail->used; + /* paired w/ acquire in flush_to_ldisc(); ensures + * flush_to_ldisc() sees buffer data. + */ + smp_store_release(&buf->tail->commit, buf->tail->used); schedule_work(&buf->work); } EXPORT_SYMBOL(tty_schedule_flip); @@ -467,7 +476,7 @@ static void flush_to_ldisc(struct work_struct *work) struct tty_struct *tty; struct tty_ldisc *disc; - tty = port->itty; + tty = READ_ONCE(port->itty); if (tty == NULL) return; @@ -491,7 +500,10 @@ static void flush_to_ldisc(struct work_struct *work) * is advancing to the next buffer */ next = smp_load_acquire(&head->next); - count = head->commit - head->read; + /* paired w/ release in __tty_buffer_request_room() or in + * tty_buffer_flush(); ensures we see the committed buffer data + */ + count = smp_load_acquire(&head->commit) - head->read; if (!count) { if (next == NULL) { check_other_closed(tty); diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 02785d844354..2eefaa6e3e3a 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2128,8 +2128,24 @@ retry_open: if (!noctty && current->signal->leader && !current->signal->tty && - tty->session == NULL) - __proc_set_tty(tty); + tty->session == NULL) { + /* + * Don't let a process that only has write access to the tty + * obtain the privileges associated with having a tty as + * controlling terminal (being able to reopen it with full + * access through /dev/tty, being able to perform pushback). + * Many distributions set the group of all ttys to "tty" and + * grant write-only access to all terminals for setgid tty + * binaries, which should not imply full privileges on all ttys. + * + * This could theoretically break old code that performs open() + * on a write-only file descriptor. In that case, it might be + * necessary to also permit this if + * inode_permission(inode, MAY_READ) == 0. + */ + if (filp->f_mode & FMODE_READ) + __proc_set_tty(tty); + } spin_unlock_irq(¤t->sighand->siglock); read_unlock(&tasklist_lock); tty_unlock(tty); @@ -2418,7 +2434,7 @@ static int fionbio(struct file *file, int __user *p) * Takes ->siglock() when updating signal->tty */ -static int tiocsctty(struct tty_struct *tty, int arg) +static int tiocsctty(struct tty_struct *tty, struct file *file, int arg) { int ret = 0; @@ -2452,6 +2468,13 @@ static int tiocsctty(struct tty_struct *tty, int arg) goto unlock; } } + + /* See the comment in tty_open(). */ + if ((file->f_mode & FMODE_READ) == 0 && !capable(CAP_SYS_ADMIN)) { + ret = -EPERM; + goto unlock; + } + proc_set_tty(tty); unlock: read_unlock(&tasklist_lock); @@ -2844,7 +2867,7 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg) no_tty(); return 0; case TIOCSCTTY: - return tiocsctty(tty, arg); + return tiocsctty(tty, file, arg); case TIOCGPGRP: return tiocgpgrp(tty, real_tty, p); case TIOCSPGRP: @@ -3151,13 +3174,18 @@ struct class *tty_class; static int tty_cdev_add(struct tty_driver *driver, dev_t dev, unsigned int index, unsigned int count) { + int err; + /* init here, since reused cdevs cause crashes */ driver->cdevs[index] = cdev_alloc(); if (!driver->cdevs[index]) return -ENOMEM; - cdev_init(driver->cdevs[index], &tty_fops); + driver->cdevs[index]->ops = &tty_fops; driver->cdevs[index]->owner = driver->owner; - return cdev_add(driver->cdevs[index], dev, count); + err = cdev_add(driver->cdevs[index], dev, count); + if (err) + kobject_put(&driver->cdevs[index]->kobj); + return err; } /** diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d85abfed84cc..f5a381945db2 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -54,6 +54,13 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Logitech ConferenceCam CC3000e */ + { USB_DEVICE(0x046d, 0x0847), .driver_info = USB_QUIRK_DELAY_INIT }, + { USB_DEVICE(0x046d, 0x0848), .driver_info = USB_QUIRK_DELAY_INIT }, + + /* Logitech PTZ Pro Camera */ + { USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Logitech Quickcam Fusion */ { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -78,6 +85,12 @@ static const struct usb_device_id usb_quirk_list[] = { /* Philips PSC805 audio device */ { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Plantronic Audio 655 DSP */ + { USB_DEVICE(0x047f, 0xc008), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Plantronic Audio 648 USB */ + { USB_DEVICE(0x047f, 0xc013), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Artisman Watchdog Dongle */ { USB_DEVICE(0x04b4, 0x0526), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c index d1b81539d632..d6199507f861 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -159,8 +159,10 @@ static int ep_bd_list_alloc(struct bdc_ep *ep) bd_table->start_bd = dma_pool_alloc(bdc->bd_table_pool, GFP_ATOMIC, &dma); - if (!bd_table->start_bd) + if (!bd_table->start_bd) { + kfree(bd_table); goto fail; + } bd_table->dma = dma; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index c79d33676672..c47d3e480586 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -147,6 +147,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) { xhci->quirks |= XHCI_SPURIOUS_REBOOT; + xhci->quirks |= XHCI_SPURIOUS_WAKEUP; } if (pdev->vendor == PCI_VENDOR_ID_INTEL && (pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 43291f93afeb..97ffe3997273 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2191,6 +2191,10 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, } /* Fast path - was this the last TRB in the TD for this URB? */ } else if (event_trb == td->last_trb) { + if (td->urb_length_set && trb_comp_code == COMP_SHORT_TX) + return finish_td(xhci, td, event_trb, event, ep, + status, false); + if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { td->urb->actual_length = td->urb->transfer_buffer_length - @@ -2242,6 +2246,12 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, td->urb->actual_length += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) - EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); + + if (trb_comp_code == COMP_SHORT_TX) { + xhci_dbg(xhci, "mid bulk/intr SP, wait for last TRB event\n"); + td->urb_length_set = true; + return 0; + } } return finish_td(xhci, td, event_trb, event, ep, status, false); @@ -2274,6 +2284,7 @@ static int handle_tx_event(struct xhci_hcd *xhci, u32 trb_comp_code; int ret = 0; int td_num = 0; + bool handling_skipped_tds = false; slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags)); xdev = xhci->devs[slot_id]; @@ -2410,6 +2421,10 @@ static int handle_tx_event(struct xhci_hcd *xhci, ep->skip = true; xhci_dbg(xhci, "Miss service interval error, set skip flag\n"); goto cleanup; + case COMP_PING_ERR: + ep->skip = true; + xhci_dbg(xhci, "No Ping response error, Skip one Isoc TD\n"); + goto cleanup; default: if (xhci_is_vendor_info_code(xhci, trb_comp_code)) { status = 0; @@ -2546,13 +2561,18 @@ static int handle_tx_event(struct xhci_hcd *xhci, ep, &status); cleanup: + + + handling_skipped_tds = ep->skip && + trb_comp_code != COMP_MISSED_INT && + trb_comp_code != COMP_PING_ERR; + /* - * Do not update event ring dequeue pointer if ep->skip is set. - * Will roll back to continue process missed tds. + * Do not update event ring dequeue pointer if we're in a loop + * processing missed tds. */ - if (trb_comp_code == COMP_MISSED_INT || !ep->skip) { + if (!handling_skipped_tds) inc_deq(xhci, xhci->event_ring); - } if (ret) { urb = td->urb; @@ -2587,7 +2607,7 @@ cleanup: * Process them as short transfer until reach the td pointed by * the event. */ - } while (ep->skip && trb_comp_code != COMP_MISSED_INT); + } while (handling_skipped_tds); return 0; } diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c index 3ad5d19e4d04..23c794813e6a 100644 --- a/drivers/usb/misc/chaoskey.c +++ b/drivers/usb/misc/chaoskey.c @@ -472,7 +472,7 @@ static int chaoskey_rng_read(struct hwrng *rng, void *data, if (this_time > max) this_time = max; - memcpy(data, dev->buf, this_time); + memcpy(data, dev->buf + dev->used, this_time); dev->used += this_time; diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 70f2b8a2e6cf..1bd9232ff76f 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -391,9 +391,20 @@ static int omap2430_musb_init(struct musb *musb) } musb->isr = omap2430_musb_interrupt; + /* + * Enable runtime PM for musb parent (this driver). We can't + * do it earlier as struct musb is not yet allocated and we + * need to touch the musb registers for runtime PM. + */ + pm_runtime_enable(glue->dev); + status = pm_runtime_get_sync(glue->dev); + if (status < 0) + goto err1; + status = pm_runtime_get_sync(dev); if (status < 0) { dev_err(dev, "pm_runtime_get_sync FAILED %d\n", status); + pm_runtime_put_sync(glue->dev); goto err1; } @@ -426,6 +437,7 @@ static int omap2430_musb_init(struct musb *musb) phy_power_on(musb->phy); pm_runtime_put_noidle(musb->controller); + pm_runtime_put_noidle(glue->dev); return 0; err1: @@ -626,7 +638,11 @@ static int omap2430_probe(struct platform_device *pdev) goto err2; } - pm_runtime_enable(&pdev->dev); + /* + * Note that we cannot enable PM runtime yet for this + * driver as we need struct musb initialized first. + * See omap2430_musb_init above. + */ ret = platform_device_add(musb); if (ret) { @@ -675,11 +691,12 @@ static int omap2430_runtime_resume(struct device *dev) struct omap2430_glue *glue = dev_get_drvdata(dev); struct musb *musb = glue_to_musb(glue); - if (musb) { - omap2430_low_level_init(musb); - musb_writel(musb->mregs, OTG_INTERFSEL, - musb->context.otg_interfsel); - } + if (!musb) + return -EPROBE_DEFER; + + omap2430_low_level_init(musb); + musb_writel(musb->mregs, OTG_INTERFSEL, + musb->context.otg_interfsel); return 0; } diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 7b98e1d9194c..d82fa36c3465 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -476,6 +476,11 @@ static const struct of_device_id usbhs_of_match[] = { .compatible = "renesas,usbhs-r8a7794", .data = (void *)USBHS_TYPE_RCAR_GEN2, }, + { + /* Gen3 is compatible with Gen2 */ + .compatible = "renesas,usbhs-r8a7795", + .data = (void *)USBHS_TYPE_RCAR_GEN2, + }, { }, }; MODULE_DEVICE_TABLE(of, usbhs_of_match); @@ -493,7 +498,7 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) return NULL; dparam = &info->driver_param; - dparam->type = of_id ? (u32)of_id->data : 0; + dparam->type = of_id ? (uintptr_t)of_id->data : 0; if (!of_property_read_u32(dev->of_node, "renesas,buswait", &tmp)) dparam->buswait_bwait = tmp; gpio = of_get_named_gpio_flags(dev->of_node, "renesas,enable-gpio", 0, diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index 4772862b71a7..d3f767448a72 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -183,10 +183,17 @@ static inline bool vhost_has_feature(struct vhost_virtqueue *vq, int bit) return vq->acked_features & (1ULL << bit); } +#ifdef CONFIG_VHOST_CROSS_ENDIAN_LEGACY static inline bool vhost_is_little_endian(struct vhost_virtqueue *vq) { return vq->is_le; } +#else +static inline bool vhost_is_little_endian(struct vhost_virtqueue *vq) +{ + return virtio_legacy_is_little_endian() || vq->is_le; +} +#endif /* Memory accessors */ static inline u16 vhost16_to_cpu(struct vhost_virtqueue *vq, __virtio16 val) diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 1aaf89300621..92f394927f24 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -1093,6 +1093,7 @@ static void fbcon_init(struct vc_data *vc, int init) con_copy_unimap(vc, svc); ops = info->fbcon_par; + ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); p->con_rotate = initial_rotation; set_blitting_type(vc, info); diff --git a/drivers/video/fbdev/broadsheetfb.c b/drivers/video/fbdev/broadsheetfb.c index 0e5fde1d3ffb..9f9a7bef1ff6 100644 --- a/drivers/video/fbdev/broadsheetfb.c +++ b/drivers/video/fbdev/broadsheetfb.c @@ -752,7 +752,7 @@ static ssize_t broadsheet_loadstore_waveform(struct device *dev, if ((fw_entry->size < 8*1024) || (fw_entry->size > 64*1024)) { dev_err(dev, "Invalid waveform\n"); err = -EINVAL; - goto err_failed; + goto err_fw; } mutex_lock(&(par->io_lock)); @@ -762,13 +762,15 @@ static ssize_t broadsheet_loadstore_waveform(struct device *dev, mutex_unlock(&(par->io_lock)); if (err < 0) { dev_err(dev, "Failed to store broadsheet waveform\n"); - goto err_failed; + goto err_fw; } dev_info(dev, "Stored broadsheet waveform, size %zd\n", fw_entry->size); - return len; + err = len; +err_fw: + release_firmware(fw_entry); err_failed: return err; } diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c index 7fa2e6f9e322..b335c1ae8625 100644 --- a/drivers/video/fbdev/fsl-diu-fb.c +++ b/drivers/video/fbdev/fsl-diu-fb.c @@ -1628,9 +1628,16 @@ static int fsl_diu_suspend(struct platform_device *ofdev, pm_message_t state) static int fsl_diu_resume(struct platform_device *ofdev) { struct fsl_diu_data *data; + unsigned int i; data = dev_get_drvdata(&ofdev->dev); - enable_lcdc(data->fsl_diu_info); + + fsl_diu_enable_interrupts(data); + update_lcdc(data->fsl_diu_info); + for (i = 0; i < NUM_AOIS; i++) { + if (data->mfb[i].count) + fsl_diu_enable_panel(&data->fsl_diu_info[i]); + } return 0; } diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c index 9b8bebdf8f86..f9ec5c0484fa 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c +++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c @@ -831,6 +831,7 @@ static struct of_device_id of_platform_mb862xx_tbl[] = { { .compatible = "fujitsu,coral", }, { /* end */ } }; +MODULE_DEVICE_TABLE(of, of_platform_mb862xx_tbl); static struct platform_driver of_platform_mb862xxfb_driver = { .driver = { diff --git a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c index a8ce920fa797..d811e6dcaef7 100644 --- a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c +++ b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c @@ -294,7 +294,7 @@ static int dvic_probe_of(struct platform_device *pdev) adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0); if (adapter_node) { - adapter = of_find_i2c_adapter_by_node(adapter_node); + adapter = of_get_i2c_adapter_by_node(adapter_node); if (adapter == NULL) { dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n"); omap_dss_put_device(ddata->in); diff --git a/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c b/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c index 90cbc4c3406c..c581231c74a5 100644 --- a/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c +++ b/drivers/video/fbdev/omap2/displays-new/panel-sony-acx565akm.c @@ -898,6 +898,7 @@ static const struct of_device_id acx565akm_of_match[] = { { .compatible = "omapdss,sony,acx565akm", }, {}, }; +MODULE_DEVICE_TABLE(of, acx565akm_of_match); static struct spi_driver acx565akm_driver = { .driver = { diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c index 7ed9a227f5ea..01b43e9ce941 100644 --- a/drivers/video/fbdev/tridentfb.c +++ b/drivers/video/fbdev/tridentfb.c @@ -226,7 +226,7 @@ static void blade_image_blit(struct tridentfb_par *par, const char *data, writemmr(par, DST1, point(x, y)); writemmr(par, DST2, point(x + w - 1, y + h - 1)); - memcpy(par->io_virt + 0x10000, data, 4 * size); + iowrite32_rep(par->io_virt + 0x10000, data, size); } static void blade_copy_rect(struct tridentfb_par *par, @@ -673,8 +673,14 @@ static int get_nativex(struct tridentfb_par *par) static inline void set_lwidth(struct tridentfb_par *par, int width) { write3X4(par, VGA_CRTC_OFFSET, width & 0xFF); - write3X4(par, AddColReg, - (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4)); + /* chips older than TGUI9660 have only 1 width bit in AddColReg */ + /* touching the other one breaks I2C/DDC */ + if (par->chip_id == TGUI9440 || par->chip_id == CYBER9320) + write3X4(par, AddColReg, + (read3X4(par, AddColReg) & 0xEF) | ((width & 0x100) >> 4)); + else + write3X4(par, AddColReg, + (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4)); } /* For resolutions smaller than FP resolution stretch */ diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c index 32d8275e4c88..8a1076beecd3 100644 --- a/drivers/video/of_display_timing.c +++ b/drivers/video/of_display_timing.c @@ -210,6 +210,7 @@ struct display_timings *of_get_display_timings(struct device_node *np) */ pr_err("%s: error in timing %d\n", of_node_full_name(np), disp->num_timings + 1); + kfree(dt); goto timingfail; } diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index c68edc16aa54..79e1aa1b0959 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -817,8 +817,9 @@ config ITCO_WDT tristate "Intel TCO Timer/Watchdog" depends on (X86 || IA64) && PCI select WATCHDOG_CORE + depends on I2C || I2C=n select LPC_ICH if !EXPERT - select I2C_I801 if !EXPERT + select I2C_I801 if !EXPERT && I2C ---help--- Hardware driver for the intel TCO timer based watchdog devices. These drivers are included in the Intel 82801 I/O Controller diff --git a/drivers/watchdog/bcm2835_wdt.c b/drivers/watchdog/bcm2835_wdt.c index 66c3e656a616..8a5ce5b5a0b6 100644 --- a/drivers/watchdog/bcm2835_wdt.c +++ b/drivers/watchdog/bcm2835_wdt.c @@ -36,6 +36,13 @@ #define PM_RSTC_WRCFG_FULL_RESET 0x00000020 #define PM_RSTC_RESET 0x00000102 +/* + * The Raspberry Pi firmware uses the RSTS register to know which partiton + * to boot from. The partiton value is spread into bits 0, 2, 4, 6, 8, 10. + * Partiton 63 is a special partition used by the firmware to indicate halt. + */ +#define PM_RSTS_RASPBERRYPI_HALT 0x555 + #define SECS_TO_WDOG_TICKS(x) ((x) << 16) #define WDOG_TICKS_TO_SECS(x) ((x) >> 16) @@ -151,8 +158,7 @@ static void bcm2835_power_off(void) * hard reset. */ val = readl_relaxed(wdt->base + PM_RSTS); - val &= PM_RSTC_WRCFG_CLR; - val |= PM_PASSWORD | PM_RSTS_HADWRH_SET; + val |= PM_PASSWORD | PM_RSTS_RASPBERRYPI_HALT; writel_relaxed(val, wdt->base + PM_RSTS); /* Continue with normal reset mechanism */ diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c index cc1bdfc2ff71..006e2348022c 100644 --- a/drivers/watchdog/gef_wdt.c +++ b/drivers/watchdog/gef_wdt.c @@ -303,6 +303,7 @@ static const struct of_device_id gef_wdt_ids[] = { }, {}, }; +MODULE_DEVICE_TABLE(of, gef_wdt_ids); static struct platform_driver gef_wdt_driver = { .driver = { diff --git a/drivers/watchdog/mena21_wdt.c b/drivers/watchdog/mena21_wdt.c index 69013007dc47..098fa9c34d6d 100644 --- a/drivers/watchdog/mena21_wdt.c +++ b/drivers/watchdog/mena21_wdt.c @@ -253,6 +253,7 @@ static const struct of_device_id a21_wdt_ids[] = { { .compatible = "men,a021-wdt" }, { }, }; +MODULE_DEVICE_TABLE(of, a21_wdt_ids); static struct platform_driver a21_wdt_driver = { .probe = a21_wdt_probe, diff --git a/drivers/watchdog/moxart_wdt.c b/drivers/watchdog/moxart_wdt.c index 2789da2c0515..60b0605bd7e6 100644 --- a/drivers/watchdog/moxart_wdt.c +++ b/drivers/watchdog/moxart_wdt.c @@ -168,6 +168,7 @@ static const struct of_device_id moxart_watchdog_match[] = { { .compatible = "moxa,moxart-watchdog" }, { }, }; +MODULE_DEVICE_TABLE(of, moxart_watchdog_match); static struct platform_driver moxart_wdt_driver = { .probe = moxart_wdt_probe, |