Re: [PATCH] soc_camera: convert to devm_ioremap_resource()

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Hi Silviu-Mihai

On Mon, 11 Mar 2013, Silviu-Mihai Popescu wrote:

> Convert all uses of devm_request_and_ioremap() to the newly introduced
> devm_ioremap_resource() which provides more consistent error handling.
> 
> devm_ioremap_resource() provides its own error messages so all explicit
> error messages can be removed from the failure code paths.
> 
> Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@xxxxxxxxx>

Is there anything in this patch, that this patch series

http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/61337

is missing?

Thanks
Guennadi

> ---
>  drivers/media/platform/soc_camera/pxa_camera.c     |    6 +++---
>  .../platform/soc_camera/sh_mobile_ceu_camera.c     |    8 +++-----
>  drivers/media/platform/soc_camera/sh_mobile_csi2.c |    8 +++-----
>  3 files changed, 9 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/media/platform/soc_camera/pxa_camera.c b/drivers/media/platform/soc_camera/pxa_camera.c
> index 395e2e0..e94ed6c 100644
> --- a/drivers/media/platform/soc_camera/pxa_camera.c
> +++ b/drivers/media/platform/soc_camera/pxa_camera.c
> @@ -1710,9 +1710,9 @@ static int pxa_camera_probe(struct platform_device *pdev)
>  	/*
>  	 * Request the regions.
>  	 */
> -	base = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!base)
> -		return -ENOMEM;
> +	base = devm_ioremap_resource(&pdev->dev, res);
> +	if (IS_ERR(base))
> +		return PTR_ERR(base);
>  	pcdev->irq = irq;
>  	pcdev->base = base;
>  
> diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
> index bb08a46..8cdee71 100644
> --- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
> +++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
> @@ -2110,11 +2110,9 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
>  	pcdev->max_width = pcdev->pdata->max_width ? : 2560;
>  	pcdev->max_height = pcdev->pdata->max_height ? : 1920;
>  
> -	base = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!base) {
> -		dev_err(&pdev->dev, "Unable to ioremap CEU registers.\n");
> -		return -ENXIO;
> -	}
> +	base = devm_ioremap_resource(&pdev->dev, res);
> +	if (IS_ERR(base))
> +		return PTR_ERR(base);
>  
>  	pcdev->irq = irq;
>  	pcdev->base = base;
> diff --git a/drivers/media/platform/soc_camera/sh_mobile_csi2.c b/drivers/media/platform/soc_camera/sh_mobile_csi2.c
> index 42c559e..3ec7735 100644
> --- a/drivers/media/platform/soc_camera/sh_mobile_csi2.c
> +++ b/drivers/media/platform/soc_camera/sh_mobile_csi2.c
> @@ -324,11 +324,9 @@ static int sh_csi2_probe(struct platform_device *pdev)
>  
>  	priv->irq = irq;
>  
> -	priv->base = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!priv->base) {
> -		dev_err(&pdev->dev, "Unable to ioremap CSI2 registers.\n");
> -		return -ENXIO;
> -	}
> +	priv->base = devm_ioremap_resource(&pdev->dev, res);
> +	if (IS_ERR(priv->base))
> +		return PTR_ERR(priv->base);
>  
>  	priv->pdev = pdev;
>  	platform_set_drvdata(pdev, priv);
> -- 
> 1.7.9.5
> 

---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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