linux-kernel - Re: drivers/ide/au1xxx-ide.c: use resource

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Message-Id: <20091123.122038.64001211.davem@davemloft.net>
Date:	Mon, 23 Nov 2009 12:20:38 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	hartleys@...ionengravers.com
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: drivers/ide/au1xxx-ide.c: use resource_size()

From: "H Hartley Sweeten" <hartleys@...ionengravers.com>
Date: Mon, 23 Nov 2009 15:01:02 -0500

> On Monday, November 23, 2009 11:38 AM, David Miller wrote:
>>>  
>>> -	ahwif->regbase = (u32)ioremap(res->start, res->end - res->start + 1);
>>> +	ahwif->regbase = (u32)ioremap(res->start, resource_size(res));
>>>  	if (ahwif->regbase == 0) {
>>>  		ret = -ENOMEM;
>>>  		goto out;
>>
>> That needs some fixing.  ioremap()'s return value is an
>> "__iomem" pointer, not an integer.  ->regbase's type should be
>> changed to something like "void __iomem *" etc.
> 
> FWIW, following is an updated patch that fixes the "__iomem" pointer.

Please, I've already applied your resource_size() patch, and you
should submit a seperate patch relative to that in order to address
the ioremap() pointer issues.

Thank you.
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