linux-kernel - Re: [PATCH] media: sti/c8sectpfe: Make use of the helper function devm_platform_ioremap_resource

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Message-ID: <73002944-80b0-ba24-f490-0aaefd4ea08b@foss.st.com>
Date:   Wed, 1 Sep 2021 09:53:31 +0200
From:   Patrice CHOTARD <patrice.chotard@...s.st.com>
To:     Cai Huoqing <caihuoqing@...du.com>
CC:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] media: sti/c8sectpfe: Make use of the helper function
 devm_platform_ioremap_resource_byname()

Hi Cai

On 9/1/21 7:56 AM, 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/media/platform/sti/c8sectpfe/c8sectpfe-core.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
> index 02dc78bd7fab..9f05984f711a 100644
> --- a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
> +++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
> @@ -665,7 +665,6 @@ static int c8sectpfe_probe(struct platform_device *pdev)
>  	struct device *dev = &pdev->dev;
>  	struct device_node *child, *np = dev->of_node;
>  	struct c8sectpfei *fei;
> -	struct resource *res;
>  	int ret, index = 0;
>  	struct channel_info *tsin;
>  
> @@ -676,14 +675,11 @@ static int c8sectpfe_probe(struct platform_device *pdev)
>  
>  	fei->dev = dev;
>  
> -	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "c8sectpfe");
> -	fei->io = devm_ioremap_resource(dev, res);
> +	fei->io = devm_platform_ioremap_resource_byname(pdev, "c8sectpfe");
>  	if (IS_ERR(fei->io))
>  		return PTR_ERR(fei->io);
>  
> -	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
> -					"c8sectpfe-ram");
> -	fei->sram = devm_ioremap_resource(dev, res);
> +	fei->sram = devm_platform_ioremap_resource_byname(pdev, "c8sectpfe-ram");
>  	if (IS_ERR(fei->sram))
>  		return PTR_ERR(fei->sram);
>  
> 
Reviewed-by: Patrice Chotard <patrice.chotard@...s.st.com>

Thanks
Patrice