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authorDario Binacchi <dariobin@libero.it>2020-10-11 14:25:46 +0200
committerTom Rini <trini@konsulko.com>2020-10-22 11:26:14 -0400
commit2d1a43be4ee2a249f8ea2ff8eed464acd92e4a0a (patch)
tree3e80c194fd2c10a883773ec6048aeed5b020e94a
parent0e3eb476056a0a6537a3860d0c6bd356d0f6df7c (diff)
downloadu-boot-2d1a43be4ee2a249f8ea2ff8eed464acd92e4a0a.tar.gz
dm: core: improve uclass_get_device_by_phandle_id() description
Complete the devp parameter description. Signed-off-by: Dario Binacchi <dariobin@libero.it> Reviewed-by: Simon Glass <sjg@chromium.org>
-rw-r--r--include/dm/uclass.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/dm/uclass.h b/include/dm/uclass.h
index 67ff7466c8..7188304304 100644
--- a/include/dm/uclass.h
+++ b/include/dm/uclass.h
@@ -224,7 +224,8 @@ int uclass_get_device_by_ofnode(enum uclass_id id, ofnode node,
*
* @id: uclass ID to look up
* @phandle_id: the phandle id to look up
- * @devp: Returns pointer to device (there is only one for each node)
+ * @devp: Returns pointer to device (there is only one for each node). NULL if
+ * there is no such device.
* @return 0 if OK, -ENODEV if there is no device match the phandle, other
* -ve on error
*/