linux-kernel - Re: [PATCH] media: meson: ge2d: Make use of the helper function devm_platform_ioremap

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Date:   Wed, 1 Sep 2021 10:14:48 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linux-media@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: meson: ge2d: Make use of the helper function
 devm_platform_ioremap_resource()

On 01/09/2021 07:51, Cai Huoqing wrote:
> Use the devm_platform_ioremap_resource() helper instead of
> calling platform_get_resource() and devm_ioremap_resource()
> separately
> 
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
> ---
>  drivers/media/platform/meson/ge2d/ge2d.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/media/platform/meson/ge2d/ge2d.c b/drivers/media/platform/meson/ge2d/ge2d.c
> index 9b1e973e78da..ccda18e5a377 100644
> --- a/drivers/media/platform/meson/ge2d/ge2d.c
> +++ b/drivers/media/platform/meson/ge2d/ge2d.c
> @@ -922,7 +922,6 @@ static int ge2d_probe(struct platform_device *pdev)
>  	struct reset_control *rst;
>  	struct video_device *vfd;
>  	struct meson_ge2d *ge2d;
> -	struct resource *res;
>  	void __iomem *regs;
>  	int ret = 0;
>  	int irq;
> @@ -937,8 +936,7 @@ static int ge2d_probe(struct platform_device *pdev)
>  	ge2d->dev = &pdev->dev;
>  	mutex_init(&ge2d->mutex);
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	regs = devm_ioremap_resource(ge2d->dev, res);
> +	regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(regs))
>  		return PTR_ERR(regs);
>  
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>