diff mbox series

[RESEND,v3,2/2] media: camif-core: Add check for clk_enable()

Message ID 20241125191818.30708-1-jiashengjiangcool@gmail.com (mailing list archive)
State New
Headers show
Series [RESEND,v3,1/2] media: mipi-csis: Add check for clk_enable() | expand

Commit Message

Jiasheng Jiang Nov. 25, 2024, 7:18 p.m. UTC
Add check for the return value of clk_enable() to gurantee the success.

Fixes: babde1c243b2 ("[media] V4L: Add driver for S3C24XX/S3C64XX SoC series camera interface")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
---
Changelog:

v2 -> v3:

1. No change

v1 -> v2:

1. No change
---
 .../media/platform/samsung/s3c-camif/camif-core.c   | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

Comments

Krzysztof Kozlowski Nov. 29, 2024, 11:29 a.m. UTC | #1
On 25/11/2024 20:18, Jiasheng Jiang wrote:
> Add check for the return value of clk_enable() to gurantee the success.
> 
> Fixes: babde1c243b2 ("[media] V4L: Add driver for S3C24XX/S3C64XX SoC series camera interface")
> Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
> ---
> Changelog:
> 
> v2 -> v3:

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/drivers/media/platform/samsung/s3c-camif/camif-core.c b/drivers/media/platform/samsung/s3c-camif/camif-core.c
index de6e8f151849..221e3c447f36 100644
--- a/drivers/media/platform/samsung/s3c-camif/camif-core.c
+++ b/drivers/media/platform/samsung/s3c-camif/camif-core.c
@@ -527,10 +527,19 @@  static void s3c_camif_remove(struct platform_device *pdev)
 static int s3c_camif_runtime_resume(struct device *dev)
 {
 	struct camif_dev *camif = dev_get_drvdata(dev);
+	int ret;
+
+	ret = clk_enable(camif->clock[CLK_GATE]);
+	if (ret)
+		return ret;
 
-	clk_enable(camif->clock[CLK_GATE]);
 	/* null op on s3c244x */
-	clk_enable(camif->clock[CLK_CAM]);
+	ret = clk_enable(camif->clock[CLK_CAM]);
+	if (ret) {
+		clk_disable(camif->clock[CLK_GATE]);
+		return ret;
+	}
+
 	return 0;
 }