tree b97889be0f3388ccbd2b84f53ac2ca7b23604884
parent 5f82a940a0379e32b3553bc0cd6d3ece2f8d0141
author Chunfeng Yun <chunfeng.yun@mediatek.com> 1578540905 +0800
committer Tom Rini <trini@konsulko.com> 1579185585 -0500

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>