[PATCH] clk: Fix doc of clk_get_parent

[Paul Cercueil]

On error, or when the passed parameter is NULL, the return value is NULL
and not a PTR_ERR()-encoded value.

Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
 include/linux/clk.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/clk.h b/include/linux/clk.h
index 266e8de3cb51..96031b5f6933 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -745,7 +745,7 @@ int clk_set_parent(struct clk *clk, struct clk *parent);
  * @clk: clock source
  *
  * Returns struct clk corresponding to parent clock source, or
- * valid IS_ERR() condition containing errno.
+ * NULL on error.
  */
 struct clk *clk_get_parent(struct clk *clk);
 
-- 
2.30.1