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

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Date:   Wed, 1 Sep 2021 10:14:53 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     Sean Young <sean@...s.org>,
        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-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: rc: meson-ir: Make use of the helper function
 devm_platform_ioremap_resource()

On 01/09/2021 07:54, 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/rc/meson-ir.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/media/rc/meson-ir.c b/drivers/media/rc/meson-ir.c
> index dad55950dfc6..4b769111f78e 100644
> --- a/drivers/media/rc/meson-ir.c
> +++ b/drivers/media/rc/meson-ir.c
> @@ -102,7 +102,6 @@ static int meson_ir_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
>  	struct device_node *node = dev->of_node;
> -	struct resource *res;
>  	const char *map_name;
>  	struct meson_ir *ir;
>  	int irq, ret;
> @@ -111,8 +110,7 @@ static int meson_ir_probe(struct platform_device *pdev)
>  	if (!ir)
>  		return -ENOMEM;
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	ir->reg = devm_ioremap_resource(dev, res);
> +	ir->reg = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(ir->reg))
>  		return PTR_ERR(ir->reg);
>  
> 

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