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dm: Add a return value comment to device_get_child()

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At present this function does not specify its return value. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2015-07-27 15:47:19 -06:00
parent 4bad2e7374
commit 3f416f336e
1 changed files with 3 additions and 1 deletions
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4
include/dm/device.h
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@ -318,6 +318,8 @@ const char *dev_get_uclass_name(struct udevice *dev);
* @dev: Parent device to check
* @index: Child index
* @devp: Returns pointer to device
* @return 0 if OK, -ENODEV if no such device, other error if the device fails
* to probe
*/
int device_get_child(struct udevice *parent, int index, struct udevice **devp);
@ -413,7 +415,7 @@ int device_get_global_by_of_offset(int of_offset, struct udevice **devp);
int device_find_first_child(struct udevice *parent, struct udevice **devp);
/**
* device_find_first_child() - Find the first child of a device
* device_find_next_child() - Find the next child of a device
*
* @devp: Pointer to previous child device on entry. Returns pointer to next
* child device, or NULL if none