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-rw-r--r--drivers/gpu/drm/msm-hyp/msm_drv_hyp.h14
-rw-r--r--drivers/net/phy/mdio_device.c171
-rw-r--r--drivers/regulator/cprh-kbss-regulator.c2
-rw-r--r--drivers/soc/qcom/glink_spi_xprt.c33
4 files changed, 215 insertions, 5 deletions
diff --git a/drivers/gpu/drm/msm-hyp/msm_drv_hyp.h b/drivers/gpu/drm/msm-hyp/msm_drv_hyp.h
index 8c8db226bd5b..b47cf7bd1683 100644
--- a/drivers/gpu/drm/msm-hyp/msm_drv_hyp.h
+++ b/drivers/gpu/drm/msm-hyp/msm_drv_hyp.h
@@ -2,7 +2,7 @@
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
- * Copyright (c) 2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
*
* 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
@@ -48,6 +48,10 @@ enum msm_mdp_display_id {
DISPLAY_ID_SECONDARY,
DISPLAY_ID_TERTIARY,
DISPLAY_ID_QUATERNARY,
+ DISPLAY_ID_QUINARY,
+ DISPLAY_ID_SENARY,
+ DISPLAY_ID_SEPTENARY,
+ DISPLAY_ID_OCTONARY,
DISPLAY_ID_MAX
};
@@ -71,6 +75,14 @@ static inline enum msm_mdp_display_id msm_get_display_id(
return DISPLAY_ID_TERTIARY;
else if (!strcmp(display_type, "quaternary"))
return DISPLAY_ID_QUATERNARY;
+ else if (!strcmp(display_type, "quinary"))
+ return DISPLAY_ID_QUINARY;
+ else if (!strcmp(display_type, "senary"))
+ return DISPLAY_ID_SENARY;
+ else if (!strcmp(display_type, "septenary"))
+ return DISPLAY_ID_SEPTENARY;
+ else if (!strcmp(display_type, "octonary"))
+ return DISPLAY_ID_OCTONARY;
else
return DISPLAY_ID_NONE;
};
diff --git a/drivers/net/phy/mdio_device.c b/drivers/net/phy/mdio_device.c
new file mode 100644
index 000000000000..9c88e6749b9a
--- /dev/null
+++ b/drivers/net/phy/mdio_device.c
@@ -0,0 +1,171 @@
+/* Framework for MDIO devices, other than PHYs.
+ *
+ * Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
+ *
+ * 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, or (at your
+ * option) any later version.
+ *
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mdio.h>
+#include <linux/mii.h>
+#include <linux/module.h>
+#include <linux/phy.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/unistd.h>
+
+void mdio_device_free(struct mdio_device *mdiodev)
+{
+ put_device(&mdiodev->dev);
+}
+EXPORT_SYMBOL(mdio_device_free);
+
+static void mdio_device_release(struct device *dev)
+{
+ kfree(to_mdio_device(dev));
+}
+
+struct mdio_device *mdio_device_create(struct mii_bus *bus, int addr)
+{
+ struct mdio_device *mdiodev;
+
+ /* We allocate the device, and initialize the default values */
+ mdiodev = kzalloc(sizeof(*mdiodev), GFP_KERNEL);
+ if (!mdiodev)
+ return ERR_PTR(-ENOMEM);
+
+ mdiodev->dev.release = mdio_device_release;
+ mdiodev->dev.parent = &bus->dev;
+ mdiodev->dev.bus = &mdio_bus_type;
+ mdiodev->device_free = mdio_device_free;
+ mdiodev->device_remove = mdio_device_remove;
+ mdiodev->bus = bus;
+ mdiodev->addr = addr;
+
+ dev_set_name(&mdiodev->dev, PHY_ID_FMT, bus->id, addr);
+
+ device_initialize(&mdiodev->dev);
+
+ return mdiodev;
+}
+EXPORT_SYMBOL(mdio_device_create);
+
+/**
+ * mdio_device_register - Register the mdio device on the MDIO bus
+ * @mdiodev: mdio_device structure to be added to the MDIO bus
+ */
+int mdio_device_register(struct mdio_device *mdiodev)
+{
+ int err;
+
+ dev_info(&mdiodev->dev, "mdio_device_register\n");
+
+ err = mdiobus_register_device(mdiodev);
+ if (err)
+ return err;
+
+ err = device_add(&mdiodev->dev);
+ if (err) {
+ pr_err("MDIO %d failed to add\n", mdiodev->addr);
+ goto out;
+ }
+
+ return 0;
+
+ out:
+ mdiobus_unregister_device(mdiodev);
+ return err;
+}
+EXPORT_SYMBOL(mdio_device_register);
+
+/**
+ * mdio_device_remove - Remove a previously registered mdio device from the
+ * MDIO bus
+ * @mdiodev: mdio_device structure to remove
+ *
+ * This doesn't free the mdio_device itself, it merely reverses the effects
+ * of mdio_device_register(). Use mdio_device_free() to free the device
+ * after calling this function.
+ */
+void mdio_device_remove(struct mdio_device *mdiodev)
+{
+ device_del(&mdiodev->dev);
+ mdiobus_unregister_device(mdiodev);
+}
+EXPORT_SYMBOL(mdio_device_remove);
+
+/**
+ * mdio_probe - probe an MDIO device
+ * @dev: device to probe
+ *
+ * Description: Take care of setting up the mdio_device structure
+ * and calling the driver to probe the device.
+ */
+static int mdio_probe(struct device *dev)
+{
+ struct mdio_device *mdiodev = to_mdio_device(dev);
+ struct device_driver *drv = mdiodev->dev.driver;
+ struct mdio_driver *mdiodrv = to_mdio_driver(drv);
+ int err = 0;
+
+ if (mdiodrv->probe)
+ err = mdiodrv->probe(mdiodev);
+
+ return err;
+}
+
+static int mdio_remove(struct device *dev)
+{
+ struct mdio_device *mdiodev = to_mdio_device(dev);
+ struct device_driver *drv = mdiodev->dev.driver;
+ struct mdio_driver *mdiodrv = to_mdio_driver(drv);
+
+ if (mdiodrv->remove)
+ mdiodrv->remove(mdiodev);
+
+ return 0;
+}
+
+/**
+ * mdio_driver_register - register an mdio_driver with the MDIO layer
+ * @new_driver: new mdio_driver to register
+ */
+int mdio_driver_register(struct mdio_driver *drv)
+{
+ struct mdio_driver_common *mdiodrv = &drv->mdiodrv;
+ int retval;
+
+ pr_info("mdio_driver_register: %s\n", mdiodrv->driver.name);
+
+ mdiodrv->driver.bus = &mdio_bus_type;
+ mdiodrv->driver.probe = mdio_probe;
+ mdiodrv->driver.remove = mdio_remove;
+
+ retval = driver_register(&mdiodrv->driver);
+ if (retval) {
+ pr_err("%s: Error %d in registering driver\n",
+ mdiodrv->driver.name, retval);
+
+ return retval;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(mdio_driver_register);
+
+void mdio_driver_unregister(struct mdio_driver *drv)
+{
+ struct mdio_driver_common *mdiodrv = &drv->mdiodrv;
+
+ driver_unregister(&mdiodrv->driver);
+}
+EXPORT_SYMBOL(mdio_driver_unregister);
diff --git a/drivers/regulator/cprh-kbss-regulator.c b/drivers/regulator/cprh-kbss-regulator.c
index f7a18611b5d2..7320f8066aef 100644
--- a/drivers/regulator/cprh-kbss-regulator.c
+++ b/drivers/regulator/cprh-kbss-regulator.c
@@ -82,7 +82,7 @@ struct cprh_kbss_fuses {
*/
#define CPRH_MSM8998_KBSS_FUSE_COMBO_COUNT 32
#define CPRH_SDM660_KBSS_FUSE_COMBO_COUNT 40
-#define CPRH_SDM630_KBSS_FUSE_COMBO_COUNT 24
+#define CPRH_SDM630_KBSS_FUSE_COMBO_COUNT 32
/*
* Constants which define the name of each fuse corner.
diff --git a/drivers/soc/qcom/glink_spi_xprt.c b/drivers/soc/qcom/glink_spi_xprt.c
index a94c4c909a40..ade731cf3251 100644
--- a/drivers/soc/qcom/glink_spi_xprt.c
+++ b/drivers/soc/qcom/glink_spi_xprt.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -478,6 +478,13 @@ static int glink_spi_xprt_rx_cmd(struct edge_info *einfo, void *dst,
int ret;
read_id = einfo->rx_fifo_read;
+ if ((read_id > (einfo->rx_fifo_start + einfo->fifo_size)) ||
+ (read_id < einfo->rx_fifo_start)) {
+ pr_err("%s: Invalid rx_fifo_read: %d, start: %d, size: %d\n",
+ __func__, read_id, einfo->rx_fifo_start,
+ einfo->fifo_size);
+ return -EINVAL;
+ }
do {
if ((read_id + size_to_read) >=
(einfo->rx_fifo_start + einfo->fifo_size))
@@ -716,11 +723,11 @@ static void process_rx_cmd(struct edge_info *einfo,
struct rx_short_data_desc {
unsigned char data[SHORT_PKT_SIZE];
};
- struct command *cmd;
+ struct command *cmd = NULL;
struct intent_desc *intents;
struct rx_desc *rx_descp;
struct rx_short_data_desc *rx_sd_descp;
- int offset = 0;
+ uint64_t offset = 0;
int rcu_id;
uint16_t rcid;
uint16_t name_len;
@@ -736,6 +743,8 @@ static void process_rx_cmd(struct edge_info *einfo,
}
while (offset < rx_size) {
+ if (offset + sizeof(*cmd) > rx_size)
+ goto err;
cmd = (struct command *)(rx_data + offset);
offset += sizeof(*cmd);
switch (cmd->id) {
@@ -754,7 +763,12 @@ static void process_rx_cmd(struct edge_info *einfo,
case OPEN_CMD:
rcid = cmd->param1;
name_len = (uint16_t)(cmd->param2 & 0xFFFF);
+ if (name_len > GLINK_NAME_SIZE)
+ goto err;
prio = (uint16_t)((cmd->param2 & 0xFFFF0000) >> 16);
+ if (offset + ALIGN(name_len, FIFO_ALIGNMENT) >
+ rx_size)
+ goto err;
name = (char *)(rx_data + offset);
offset += ALIGN(name_len, FIFO_ALIGNMENT);
einfo->xprt_if.glink_core_if_ptr->rx_cmd_ch_remote_open(
@@ -780,6 +794,8 @@ static void process_rx_cmd(struct edge_info *einfo,
case RX_INTENT_CMD:
for (i = 0; i < cmd->param2; i++) {
+ if (offset + sizeof(*intents) > rx_size)
+ goto err;
intents = (struct intent_desc *)
(rx_data + offset);
offset += sizeof(*intents);
@@ -815,6 +831,8 @@ static void process_rx_cmd(struct edge_info *einfo,
case TX_DATA_CONT_CMD:
case TRACER_PKT_CMD:
case TRACER_PKT_CONT_CMD:
+ if (offset + sizeof(*rx_descp) > rx_size)
+ goto err;
rx_descp = (struct rx_desc *)(rx_data + offset);
offset += sizeof(*rx_descp);
process_rx_data(einfo, cmd->id, cmd->param1,
@@ -824,6 +842,8 @@ static void process_rx_cmd(struct edge_info *einfo,
break;
case TX_SHORT_DATA_CMD:
+ if (offset + sizeof(*rx_sd_descp) > rx_size)
+ goto err;
rx_sd_descp = (struct rx_short_data_desc *)
(rx_data + offset);
offset += sizeof(*rx_sd_descp);
@@ -852,6 +872,13 @@ static void process_rx_cmd(struct edge_info *einfo,
}
}
srcu_read_unlock(&einfo->use_ref, rcu_id);
+ return;
+err:
+ srcu_read_unlock(&einfo->use_ref, rcu_id);
+ if (cmd)
+ pr_err("%s: invalid size of rx_data: %d, cmd : %d\n",
+ __func__, rx_size, cmd->id);
+ return;
}
/**