linux-kernel - Re: [PATCH] staging: media: meson: vdec: Make use of the helper function devm_platform_ioremap_resource

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Message-ID: <4cd6453f-8b0e-a438-0e97-53e3962d652b@baylibre.com>
Date:   Wed, 8 Sep 2021 14:07:36 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.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-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: media: meson: vdec: Make use of the helper
 function devm_platform_ioremap_resource_byname()

On 08/09/2021 12:57, Cai Huoqing wrote:
> Use the devm_platform_ioremap_resource_byname() helper instead of
> calling platform_get_resource_byname() and devm_ioremap_resource()
> separately
> 
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
> ---
>  drivers/staging/media/meson/vdec/vdec.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/media/meson/vdec/vdec.c
> index e51d69c4729d..8549d95be0f2 100644
> --- a/drivers/staging/media/meson/vdec/vdec.c
> +++ b/drivers/staging/media/meson/vdec/vdec.c
> @@ -994,7 +994,6 @@ static int vdec_probe(struct platform_device *pdev)
>  	struct device *dev = &pdev->dev;
>  	struct video_device *vdev;
>  	struct amvdec_core *core;
> -	struct resource *r;
>  	const struct of_device_id *of_id;
>  	int irq;
>  	int ret;
> @@ -1006,13 +1005,11 @@ static int vdec_probe(struct platform_device *pdev)
>  	core->dev = dev;
>  	platform_set_drvdata(pdev, core);
>  
> -	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dos");
> -	core->dos_base = devm_ioremap_resource(dev, r);
> +	core->dos_base = devm_platform_ioremap_resource_byname(pdev, "dos");
>  	if (IS_ERR(core->dos_base))
>  		return PTR_ERR(core->dos_base);
>  
> -	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "esparser");
> -	core->esparser_base = devm_ioremap_resource(dev, r);
> +	core->esparser_base = devm_platform_ioremap_resource_byname(pdev, "esparser");
>  	if (IS_ERR(core->esparser_base))
>  		return PTR_ERR(core->esparser_base);
>  
> 

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