linux-kernel - Re: [PATCH 21/33] drivers/usb/chipidea: don't check resource with devm_ioremap

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Date:	Thu, 16 May 2013 14:29:19 +0300
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Wolfram Sang <wsa@...-dreams.de>, linux-kernel@...r.kernel.org
Cc:	Wolfram Sang <wsa@...-dreams.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH 21/33] drivers/usb/chipidea: don't check resource with devm_ioremap_resource

Wolfram Sang <wsa@...-dreams.de> writes:

> 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: Alexander Shishkin <alexander.shishkin@...ux.intel.com>

> ---
>  drivers/usb/chipidea/core.c |    5 -----
>  1 file changed, 5 deletions(-)
>
> diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
> index 450107e..49b098b 100644
> --- a/drivers/usb/chipidea/core.c
> +++ b/drivers/usb/chipidea/core.c
> @@ -370,11 +370,6 @@ static int ci_hdrc_probe(struct platform_device *pdev)
>  	}
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		dev_err(dev, "missing resource\n");
> -		return -ENODEV;
> -	}
> -
>  	base = devm_ioremap_resource(dev, res);
>  	if (IS_ERR(base))
>  		return PTR_ERR(base);
> -- 
> 1.7.10.4
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