media: imx: imx7-media-csi: fix missing clk_disable_unprepare() in imx7_csi_init()

[ Upstream commit cea606d9e996a77eed57fc60709e0728341450e3 ]

Add missing clk_disable_unprepare(), if imx7_csi_dma_setup() fails
in imx7_csi_init().

Fixes: ff43ca911978 ("media: imx: imx7-media-csi: Move CSI configuration before source start")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
index c77401f..5f6376c 100644 (file)
--- a/drivers/staging/media/imx/imx7-media-csi.c
+++ b/drivers/staging/media/imx/imx7-media-csi.c
@@ -638,8 +638,10 @@ static int imx7_csi_init(struct imx7_csi *csi)
        imx7_csi_configure(csi);
 
        ret = imx7_csi_dma_setup(csi);
-       if (ret < 0)
+       if (ret < 0) {
+               clk_disable_unprepare(csi->mclk);
                return ret;
+       }
 
        return 0;
 }