dm: Add a return value comment to device_get_child()
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>
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@ -318,6 +318,8 @@ const char *dev_get_uclass_name(struct udevice *dev);
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* @dev: Parent device to check
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* @dev: Parent device to check
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* @index: Child index
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* @index: Child index
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* @devp: Returns pointer to device
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* @devp: Returns pointer to device
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* @return 0 if OK, -ENODEV if no such device, other error if the device fails
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* to probe
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*/
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*/
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int device_get_child(struct udevice *parent, int index, struct udevice **devp);
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int device_get_child(struct udevice *parent, int index, struct udevice **devp);
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@ -413,7 +415,7 @@ int device_get_global_by_of_offset(int of_offset, struct udevice **devp);
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int device_find_first_child(struct udevice *parent, struct udevice **devp);
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int device_find_first_child(struct udevice *parent, struct udevice **devp);
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/**
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/**
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* device_find_first_child() - Find the first child of a device
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* device_find_next_child() - Find the next child of a device
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*
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*
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* @devp: Pointer to previous child device on entry. Returns pointer to next
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* @devp: Pointer to previous child device on entry. Returns pointer to next
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* child device, or NULL if none
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* child device, or NULL if none
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