[PATCH] ARM: zx: Use devm_platform_ioremap_resource() in zx296702_pd_probe()

[PATCH] ARM: zx: Use devm_platform_ioremap_resource() in zx296702_pd_probe()

[Markus Elfring]

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 18 Sep 2019 07:40:26 +0200

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 arch/arm/mach-zx/zx296702-pm-domain.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx296702-pm-domain.c
index 7a08bf9dd792..ba4f556b7a13 100644
--- a/arch/arm/mach-zx/zx296702-pm-domain.c
+++ b/arch/arm/mach-zx/zx296702-pm-domain.c
@@ -152,7 +152,6 @@ static struct generic_pm_domain *zx296702_pm_domains[] = {
 static int zx296702_pd_probe(struct platform_device *pdev)
 {
 	struct genpd_onecell_data *genpd_data;
-	struct resource *res;
 	int i;

 	genpd_data = devm_kzalloc(&pdev->dev, sizeof(*genpd_data), GFP_KERNEL);
@@ -161,14 +160,7 @@ static int zx296702_pd_probe(struct platform_device *pdev)

 	genpd_data->domains = zx296702_pm_domains;
 	genpd_data->num_domains = ARRAY_SIZE(zx296702_pm_domains);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "no memory resource defined\n");
-		return -ENODEV;
-	}
-
-	pcubase = devm_ioremap_resource(&pdev->dev, res);
+	pcubase = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pcubase)) {
 		dev_err(&pdev->dev, "ioremap fail.\n");
 		return -EIO;
--
2.23.0


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Re: [PATCH] ARM: zx: Use devm_platform_ioremap_resource() in zx296702_pd_probe()

[Shawn Guo]

On Wed, Sep 18, 2019 at 07:57:05AM +0200, Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 18 Sep 2019 07:40:26 +0200
> 
> Simplify this function implementation by using a known wrapper function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

Acked-by: Shawn Guo <shawnguo@kernel.org>

@Arnd, can you please help apply it to arm-soc tree?

Shawn

> ---
>  arch/arm/mach-zx/zx296702-pm-domain.c | 10 +---------
>  1 file changed, 1 insertion(+), 9 deletions(-)
> 
> diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx296702-pm-domain.c
> index 7a08bf9dd792..ba4f556b7a13 100644
> --- a/arch/arm/mach-zx/zx296702-pm-domain.c
> +++ b/arch/arm/mach-zx/zx296702-pm-domain.c
> @@ -152,7 +152,6 @@ static struct generic_pm_domain *zx296702_pm_domains[] = {
>  static int zx296702_pd_probe(struct platform_device *pdev)
>  {
>  	struct genpd_onecell_data *genpd_data;
> -	struct resource *res;
>  	int i;
> 
>  	genpd_data = devm_kzalloc(&pdev->dev, sizeof(*genpd_data), GFP_KERNEL);
> @@ -161,14 +160,7 @@ static int zx296702_pd_probe(struct platform_device *pdev)
> 
>  	genpd_data->domains = zx296702_pm_domains;
>  	genpd_data->num_domains = ARRAY_SIZE(zx296702_pm_domains);
> -
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		dev_err(&pdev->dev, "no memory resource defined\n");
> -		return -ENODEV;
> -	}
> -
> -	pcubase = devm_ioremap_resource(&pdev->dev, res);
> +	pcubase = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(pcubase)) {
>  		dev_err(&pdev->dev, "ioremap fail.\n");
>  		return -EIO;
> --
> 2.23.0
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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