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authorTony Lindgren <tony@atomide.com>2010-05-20 11:07:23 -0700
committerTony Lindgren <tony@atomide.com>2010-05-20 11:07:23 -0700
commitdf760137ad3cbfa15ceed42478f81bff01b6e799 (patch)
treebe939c9d11094858d74141a4c62cb23f477754d8 /include/linux
parent754b8e653412106ff613f4750b197f807fcd8347 (diff)
parentde997718b64df2f766736f23f8557da450b83a25 (diff)
Merge branch 'omap-boards' into omap-for-linus
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/cgroup.h1
-rw-r--r--include/linux/i2c.h2
-rw-r--r--include/linux/rcupdate.h2
-rw-r--r--include/linux/usb.h18
4 files changed, 20 insertions, 3 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index b8ad1ea99586..8f78073d7caa 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -530,6 +530,7 @@ static inline struct cgroup_subsys_state *task_subsys_state(
{
return rcu_dereference_check(task->cgroups->subsys[subsys_id],
rcu_read_lock_held() ||
+ lockdep_is_held(&task->alloc_lock) ||
cgroup_lock_is_held());
}
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 0a5da639b327..6ed1d59bfb1e 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -355,6 +355,8 @@ struct i2c_adapter {
int nr;
char name[48];
struct completion dev_released;
+
+ struct list_head userspace_clients;
};
#define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 07db2feb8572..db266bbed23f 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -190,6 +190,8 @@ static inline int rcu_read_lock_sched_held(void)
#ifdef CONFIG_PROVE_RCU
+extern int rcu_my_thread_group_empty(void);
+
/**
* rcu_dereference_check - rcu_dereference with debug checking
* @p: The pointer to read, prior to dereferencing
diff --git a/include/linux/usb.h b/include/linux/usb.h
index ce1323c4e47c..739f1fd1cc15 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1085,7 +1085,7 @@ typedef void (*usb_complete_t)(struct urb *);
* Alternatively, drivers may pass the URB_NO_xxx_DMA_MAP transfer flags,
* which tell the host controller driver that no such mapping is needed since
* the device driver is DMA-aware. For example, a device driver might
- * allocate a DMA buffer with usb_buffer_alloc() or call usb_buffer_map().
+ * allocate a DMA buffer with usb_alloc_coherent() or call usb_buffer_map().
* When these transfer flags are provided, host controller drivers will
* attempt to use the dma addresses found in the transfer_dma and/or
* setup_dma fields rather than determining a dma address themselves.
@@ -1366,11 +1366,23 @@ static inline int usb_urb_dir_out(struct urb *urb)
return (urb->transfer_flags & URB_DIR_MASK) == URB_DIR_OUT;
}
-void *usb_buffer_alloc(struct usb_device *dev, size_t size,
+void *usb_alloc_coherent(struct usb_device *dev, size_t size,
gfp_t mem_flags, dma_addr_t *dma);
-void usb_buffer_free(struct usb_device *dev, size_t size,
+void usb_free_coherent(struct usb_device *dev, size_t size,
void *addr, dma_addr_t dma);
+/* Compatible macros while we switch over */
+static inline void *usb_buffer_alloc(struct usb_device *dev, size_t size,
+ gfp_t mem_flags, dma_addr_t *dma)
+{
+ return usb_alloc_coherent(dev, size, mem_flags, dma);
+}
+static inline void usb_buffer_free(struct usb_device *dev, size_t size,
+ void *addr, dma_addr_t dma)
+{
+ return usb_free_coherent(dev, size, addr, dma);
+}
+
#if 0
struct urb *usb_buffer_map(struct urb *urb);
void usb_buffer_dmasync(struct urb *urb);