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From: Jan Dittmer <j.dittmer@portrix.net>
To: David Gibson <hermes@gibson.dropbear.id.au>
Cc: Cal Peake <cp@absolutedigital.net>,
	Kernel Mailing List <linux-kernel@vger.kernel.org>,
	NetDev Mailing List <netdev@oss.sgi.com>,
	proski@gnu.org
Subject: Re: [PATCH] Fix readw/writew warnings in drivers/net/wireless/hermes.h
Date: Mon, 11 Oct 2004 14:39:00 +0200	[thread overview]
Message-ID: <416A7EE4.6060500@portrix.net> (raw)
In-Reply-To: <20041011123217.GC28100@zax>

David Gibson wrote:
> On Mon, Oct 11, 2004 at 02:29:39PM +0200, Jan Dittmer wrote:
> 
>>Cal Peake wrote:
>>
>>>On Mon, 11 Oct 2004, Jan Dittmer wrote:
>>>
>>>
>>>
>>>>Cal Peake wrote:
>>>>
>>>>
>>>>
>>>>>	inw((hw)->iobase + ( (off) << (hw)->reg_spacing )) : \
>>>>>-	readw((hw)->iobase + ( (off) << (hw)->reg_spacing )))
>>>>>+	readw((void __iomem *)(hw)->iobase + ( (off) << (hw)->reg_spacing )))
>>>>>#define hermes_write_reg(hw, off, val) do { \
>>>>
>>>>Isn't the correct fix to declare iobase as (void __iomem *) ?
>>>
>>>
>>>iobase is an unsigned long, declaring it as a void pointer is prolly not 
>>>what we want to do here. The typecast seems proper. A lot of other drivers 
>>>do this as well thus it must be proper ;-)
>>
>>Why is iobase a unsigned long in the first place? Isn't this broken for 
>>64bit archs?
> 
> 
> Um, no.
> 

Yeah, just rememberd when sending the mail ;-). Still, most drivers seem 
to use (void __iomem *) in the declaration of their iobase.

Jan

  reply	other threads:[~2004-10-11 12:41 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-11 11:34 [PATCH] Fix readw/writew warnings in drivers/net/wireless/hermes.h Cal Peake
2004-10-11 11:54 ` Jan Dittmer
2004-10-11 12:04   ` Ricky lloyd
2004-10-11 12:31     ` David Gibson
2004-10-11 12:42       ` Cal Peake
2004-10-11 13:18       ` Borislav Petkov
2004-10-11 13:33         ` viro
2004-10-11 12:23   ` Cal Peake
2004-10-11 12:29     ` Jan Dittmer
2004-10-11 12:32       ` David Gibson
2004-10-11 12:39         ` Jan Dittmer [this message]
2004-10-11 12:49           ` Ben Dooks
2004-10-11 13:16     ` viro
2004-10-11 14:16       ` Cal Peake
2004-10-11 13:12 ` Pavel Roskin
2004-10-11 14:04   ` viro

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