[PATCH] clk: Fix comment to clk_get_parent()

[Alexander Sverdlin <alexander.sverdlin@gmail.com>]

There is no single implementation of clk_get_parent(), which returns ERR_PTR().
Therefore, fix the comment in common header linux/clk.h, which claims otherwise.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
---
 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 0df4a51..0f53683 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -387,7 +387,7 @@ 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);