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

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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@xxxxxxxxxx>
---
 drivers/media/platform/nxp/imx7-media-csi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c
index 886374d3a6ff..1ef92c8c0098 100644
--- a/drivers/media/platform/nxp/imx7-media-csi.c
+++ b/drivers/media/platform/nxp/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;
 }
-- 
2.25.1




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