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authorSimon Glass <sjg@chromium.org>2021-08-18 21:40:29 -0600
committerTom Rini <trini@konsulko.com>2021-09-16 13:19:25 -0400
commit79b3f367304dc743518200eb6b82556890c9ae05 (patch)
tree1cbf4a59c2394b87dbf6c2b8a874347c730cc621
parent127ca104677e5dd0ac4d5d991faa2ebb704da6f1 (diff)
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dm: core: Fix a few incorrect comments on first/next functions
Tighten up these comments to make the behaviour clearer. Signed-off-by: Simon Glass <sjg@chromium.org>
-rw-r--r--include/dm/device.h4
-rw-r--r--include/dm/uclass.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/include/dm/device.h b/include/dm/device.h
index 0a9718a..ef6241b 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -738,7 +738,7 @@ int device_find_next_child(struct udevice **devp);
*
* @parent: Parent device to search
* @uclass_id: Uclass to look for
- * @devp: Returns device found, if any
+ * @devp: Returns device found, if any, else NULL
* @return 0 if found, else -ENODEV
*/
int device_find_first_inactive_child(const struct udevice *parent,
@@ -750,7 +750,7 @@ int device_find_first_inactive_child(const struct udevice *parent,
*
* @parent: Parent device to search
* @uclass_id: Uclass to look for
- * @devp: Returns first child device in that uclass, if any
+ * @devp: Returns first child device in that uclass, if any, else NULL
* @return 0 if found, else -ENODEV
*/
int device_find_first_child_by_uclass(const struct udevice *parent,
diff --git a/include/dm/uclass.h b/include/dm/uclass.h
index da0c1bf..15e5f9e 100644
--- a/include/dm/uclass.h
+++ b/include/dm/uclass.h
@@ -354,7 +354,7 @@ int uclass_next_device(struct udevice **devp);
* The device returned is probed if necessary, and ready for use
*
* @devp: On entry, pointer to device to lookup. On exit, returns pointer
- * to the next device in the uclass if no error occurred, or -ENODEV if
+ * to the next device in the uclass if no error occurred, or NULL if
* there is no next device.
* @return 0 if found, -ENODEV if not found, other -ve on error
*/