From 0f9b2b3ddf36d4bf69011a0dddefa10091cee60d Mon Sep 17 00:00:00 2001
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Thu, 9 Jan 2020 11:35:05 +0800
Subject: [PATCH] clk: fix error check for devm_clk_get_optional()
If skip all return error number, it may skip some real error cases,
so only skip the error when the clock is not provided in DTS
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
---
drivers/clk/clk-uclass.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 9aa8537004..2778b504c0 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -678,7 +678,7 @@ struct clk *devm_clk_get_optional(struct udevice *dev, const char *id)
{
struct clk *clk = devm_clk_get(dev, id);
- if (IS_ERR(clk))
+ if (PTR_ERR(clk) == -ENODATA)
return NULL;
return clk;
--
2.39.5