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From: Hans Verkuil <hverkuil@xs4all.nl>
To: Cai Huoqing <caihuoqing@baidu.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: sti/c8sectpfe: Make use of the helper function devm_platform_ioremap_resource_byname()
Date: Wed, 1 Sep 2021 10:20:26 +0200	[thread overview]
Message-ID: <91245ea5-215f-5e60-0a97-7c29ceb7c3a9@xs4all.nl> (raw)
In-Reply-To: <20210901055631.7829-1-caihuoqing@baidu.com>

On 01/09/2021 07:56, 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@baidu.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);
>  
> 

Compile error:

drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c: In function ‘c8sectpfe_probe’:
drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c:686:33: error: ‘res’ undeclared (first use in this function); did you mean ‘ret’?
  686 |  fei->sram_size = resource_size(res);
      |                                 ^~~
      |                                 ret
drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c:686:33: note: each undeclared identifier is reported only once for each function it appears in

Regards,

	Hans

WARNING: multiple messages have this Message-ID (diff)
From: Hans Verkuil <hverkuil@xs4all.nl>
To: Cai Huoqing <caihuoqing@baidu.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: sti/c8sectpfe: Make use of the helper function devm_platform_ioremap_resource_byname()
Date: Wed, 1 Sep 2021 10:20:26 +0200	[thread overview]
Message-ID: <91245ea5-215f-5e60-0a97-7c29ceb7c3a9@xs4all.nl> (raw)
In-Reply-To: <20210901055631.7829-1-caihuoqing@baidu.com>

On 01/09/2021 07:56, 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@baidu.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);
>  
> 

Compile error:

drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c: In function ‘c8sectpfe_probe’:
drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c:686:33: error: ‘res’ undeclared (first use in this function); did you mean ‘ret’?
  686 |  fei->sram_size = resource_size(res);
      |                                 ^~~
      |                                 ret
drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c:686:33: note: each undeclared identifier is reported only once for each function it appears in

Regards,

	Hans

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  parent reply	other threads:[~2021-09-01  8:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-01  5:56 [PATCH] media: sti/c8sectpfe: Make use of the helper function devm_platform_ioremap_resource_byname() Cai Huoqing
2021-09-01  5:56 ` Cai Huoqing
2021-09-01  7:53 ` Patrice CHOTARD
2021-09-01  7:53   ` Patrice CHOTARD
2021-09-01  8:20 ` Hans Verkuil [this message]
2021-09-01  8:20   ` Hans Verkuil
2021-09-01  8:41   ` Cai Huoqing
2021-09-01  8:41     ` Cai Huoqing

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