linux-kernel - Re: [RFC 36/42] drivers/watchdog: don't check resource with devm_ioremap

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Message-ID: <20130512172344.GX14155@spo001.leaseweb.com>
Date:	Sun, 12 May 2013 19:23:44 +0200
From:	Wim Van Sebroeck <wim@...ana.be>
To:	Wolfram Sang <wsa@...-dreams.de>
Cc:	linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org
Subject: Re: [RFC 36/42] drivers/watchdog: don't check resource with devm_ioremap_resource

Hi Wolfram,

> devm_ioremap_resource does sanity checks on the given resource. No need to
> duplicate this in the driver.
> 
> Signed-off-by: Wolfram Sang <wsa@...-dreams.de>

Acked-by: Wim Van Sebroeck <wim@...ana.be>


> ---
>  drivers/watchdog/imx2_wdt.c |    5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
> index ff90882..62946c2 100644
> --- a/drivers/watchdog/imx2_wdt.c
> +++ b/drivers/watchdog/imx2_wdt.c
> @@ -257,11 +257,6 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
>  	struct resource *res;
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		dev_err(&pdev->dev, "can't get device resources\n");
> -		return -ENODEV;
> -	}
> -
>  	imx2_wdt.base = devm_ioremap_resource(&pdev->dev, res);
>  	if (IS_ERR(imx2_wdt.base))
>  		return PTR_ERR(imx2_wdt.base);

Kind regards,
Wim.

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