linux-kernel - Re: [PATCH] video: exynos: Convert to devm_ioremap

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Message-id: <51538652.7040005@samsung.com>
Date:	Thu, 28 Mar 2013 08:52:50 +0900
From:	Donghwa Lee <dh09.lee@...sung.com>
To:	Andrei Epure <epure.andrei@...il.com>
Cc:	inki.dae@...sung.com, kyungmin.park@...sung.com,
	FlorianSchandinat@....de, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] video: exynos: Convert to devm_ioremap_resource()


Hi,

Please refer to the following link.

http://marc.info/?l=linux-fbdev&m=135963121130437&w=2

Best regard,
Donghwa Lee

On Thu, Mar 28, 2013 at 05:28, Andrei Epure wrote:
> The new devm_ioremap_resource() provides its own error messages.
> Patch found using coccinelle.
>
> Signed-off-by: Andrei Epure <epure.andrei@...il.com>
> ---
>   drivers/video/exynos/exynos_mipi_dsi.c |    7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c
> index fac7df6..dd5e5e9 100644
> --- a/drivers/video/exynos/exynos_mipi_dsi.c
> +++ b/drivers/video/exynos/exynos_mipi_dsi.c
> @@ -384,10 +384,9 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev)
>   
>   	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>   
> -	dsim->reg_base = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!dsim->reg_base) {
> -		dev_err(&pdev->dev, "failed to remap io region\n");
> -		ret = -ENOMEM;
> +	dsim->reg_base = devm_ioremap_resource(&pdev->dev, res);
> +	if (IS_ERR(dsim->reg_base)) {
> +		ret = PTR_ERR(dsim->reg_base);
>   		goto error;
>   	}
>   

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