dmaengine: at_xdmac: Use devm_platform_ioremap_resource() in at_xdmac_probe()
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Message ID 377247f3-b53a-a9d9-66c7-4b8515de3809@web.de
State New
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Series
  • dmaengine: at_xdmac: Use devm_platform_ioremap_resource() in at_xdmac_probe()
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Commit Message

Markus Elfring Sept. 22, 2019, 8:48 a.m. UTC
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 22 Sep 2019 10:37:31 +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>
---
 drivers/dma/at_xdmac.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

--
2.23.0

Comments

Ludovic Desroches Oct. 9, 2019, 7:46 a.m. UTC | #1
On Sun, Sep 22, 2019 at 10:48:20AM +0200, Markus Elfring wrote:
> 
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 22 Sep 2019 10:37:31 +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: Ludovic Desroches <ludovic.desroches@microchip.com> 

Thanks

> ---
>  drivers/dma/at_xdmac.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
> index b58ac720d9a1..f71c9f77d405 100644
> --- a/drivers/dma/at_xdmac.c
> +++ b/drivers/dma/at_xdmac.c
> @@ -1957,21 +1957,16 @@ static int atmel_xdmac_resume(struct device *dev)
> 
>  static int at_xdmac_probe(struct platform_device *pdev)
>  {
> -	struct resource	*res;
>  	struct at_xdmac	*atxdmac;
>  	int		irq, size, nr_channels, i, ret;
>  	void __iomem	*base;
>  	u32		reg;
> 
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res)
> -		return -EINVAL;
> -
>  	irq = platform_get_irq(pdev, 0);
>  	if (irq < 0)
>  		return irq;
> 
> -	base = devm_ioremap_resource(&pdev->dev, res);
> +	base = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(base))
>  		return PTR_ERR(base);
> 
> --
> 2.23.0
>
Vinod Koul Oct. 14, 2019, 7:53 a.m. UTC | #2
On 22-09-19, 10:48, Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 22 Sep 2019 10:37:31 +0200
> 
> Simplify this function implementation by using a known wrapper function.
> 
> This issue was detected by using the Coccinelle software.

Applied, thanks

Patch
diff mbox series

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index b58ac720d9a1..f71c9f77d405 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1957,21 +1957,16 @@  static int atmel_xdmac_resume(struct device *dev)

 static int at_xdmac_probe(struct platform_device *pdev)
 {
-	struct resource	*res;
 	struct at_xdmac	*atxdmac;
 	int		irq, size, nr_channels, i, ret;
 	void __iomem	*base;
 	u32		reg;

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -EINVAL;
-
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		return irq;

-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);