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>
diff --git a/include/dm/device.h b/include/dm/device.h
index 9fa0048..12fd02d 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -318,6 +318,8 @@
* @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_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