Re: [PATCH 6/8] media: rzg2l-cru: csi2: Use devm_pm_runtime_enable()

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Hi Tommaso,

Thank you for the patch.

On Mon, Feb 10, 2025 at 12:45:38PM +0100, Tommaso Merciai wrote:
> Use newly added devm_pm_runtime_enable() into rzg2l_csi2_probe() and
> drop error path accordingly. Drop also unnecessary pm_runtime_disable()
> from rzg2l_csi2_remove().
> 
> Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@xxxxxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

> ---
>  drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
> index 948f1917b830..4ccf7c5ea58b 100644
> --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
> +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
> @@ -805,11 +805,13 @@ static int rzg2l_csi2_probe(struct platform_device *pdev)
>  	if (ret)
>  		return ret;
>  
> -	pm_runtime_enable(dev);
> +	ret = devm_pm_runtime_enable(dev);
> +	if (ret)
> +		return ret;
>  
>  	ret = rzg2l_validate_csi2_lanes(csi2);
>  	if (ret)
> -		goto error_pm;
> +		return ret;
>  
>  	csi2->subdev.dev = dev;
>  	v4l2_subdev_init(&csi2->subdev, &rzg2l_csi2_subdev_ops);
> @@ -834,7 +836,7 @@ static int rzg2l_csi2_probe(struct platform_device *pdev)
>  	ret = media_entity_pads_init(&csi2->subdev.entity, ARRAY_SIZE(csi2->pads),
>  				     csi2->pads);
>  	if (ret)
> -		goto error_pm;
> +		return ret;
>  
>  	ret = v4l2_subdev_init_finalize(&csi2->subdev);
>  	if (ret < 0)
> @@ -852,8 +854,6 @@ static int rzg2l_csi2_probe(struct platform_device *pdev)
>  	v4l2_async_nf_unregister(&csi2->notifier);
>  	v4l2_async_nf_cleanup(&csi2->notifier);
>  	media_entity_cleanup(&csi2->subdev.entity);
> -error_pm:
> -	pm_runtime_disable(dev);
>  
>  	return ret;
>  }
> @@ -867,7 +867,6 @@ static void rzg2l_csi2_remove(struct platform_device *pdev)
>  	v4l2_async_unregister_subdev(&csi2->subdev);
>  	v4l2_subdev_cleanup(&csi2->subdev);
>  	media_entity_cleanup(&csi2->subdev.entity);
> -	pm_runtime_disable(&pdev->dev);
>  }
>  
>  static int rzg2l_csi2_pm_runtime_suspend(struct device *dev)

-- 
Regards,

Laurent Pinchart




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