[PATCH v3 03/13] driver core: Add documentation for dev_set_drv_sync_state()

[Ulf Hansson <ulf.hansson@linaro.org>]

As dev_set_drv_sync_state() is an exported function, let's add some
documentation of it.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

Changes in v3:
	- New patch.

---
 include/linux/device.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/device.h b/include/linux/device.h
index 6848b0a2c2d9..209feea8050e 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1077,6 +1077,14 @@ static inline bool dev_has_sync_state(struct device *dev)
 	return false;
 }
 
+/**
+ * dev_set_drv_sync_state - Assign the ->sync_state callback for a device.
+ * @dev: The device.
+ * @fn: The callback.
+ *
+ * This function dynamically tries to assign the driver's ->sync_state()
+ * callback for the corresponding @dev.
+ */
 static inline int dev_set_drv_sync_state(struct device *dev,
 					 void (*fn)(struct device *dev))
 {
-- 
2.43.0