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From: Ludovic Desroches <ludovic.desroches@microchip.com>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: <dmaengine@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	"Dan Williams" <dan.j.williams@intel.com>,
	Vinod Koul <vkoul@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	<kernel-janitors@vger.kernel.org>,
	"Nicolas Ferre" <nicolas.ferre@atmel.com>
Subject: Re: [PATCH] dmaengine: at_xdmac: Use devm_platform_ioremap_resource() in at_xdmac_probe()
Date: Wed, 9 Oct 2019 09:46:42 +0200	[thread overview]
Message-ID: <20191009074641.taocxbrs2vodvsgm@M43218.corp.atmel.com> (raw)
In-Reply-To: <377247f3-b53a-a9d9-66c7-4b8515de3809@web.de>

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
> 

  reply	other threads:[~2019-10-09  7:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-22  8:48 [PATCH] dmaengine: at_xdmac: Use devm_platform_ioremap_resource() in at_xdmac_probe() Markus Elfring
2019-10-09  7:46 ` Ludovic Desroches [this message]
2019-10-14  7:53 ` Vinod Koul

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