From: viro@parcelfarce.linux.theplanet.co.uk
To: Cal Peake <cp@absolutedigital.net>
Cc: Jan Dittmer <j.dittmer@portrix.net>,
Kernel Mailing List <linux-kernel@vger.kernel.org>,
NetDev Mailing List <netdev@oss.sgi.com>,
proski@gnu.org, hermes@gibson.dropbear.id.au
Subject: Re: [PATCH] Fix readw/writew warnings in drivers/net/wireless/hermes.h
Date: Mon, 11 Oct 2004 14:16:03 +0100 [thread overview]
Message-ID: <20041011131603.GU23987@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <Pine.LNX.4.61.0410110819370.8480@linaeum.absolutedigital.net>
On Mon, Oct 11, 2004 at 08:23:35AM -0400, 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 ;-)
Typecast is not a proper solution here. Folks, there are cleanups underway
for all that mess, but it's not _that_ simple.
And adding casts to shut the warnings up is wrong in 99% of cases.
next prev parent reply other threads:[~2004-10-11 13:16 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
2004-10-11 12:49 ` Ben Dooks
2004-10-11 13:16 ` viro [this message]
2004-10-11 14:16 ` Cal Peake
2004-10-11 13:12 ` Pavel Roskin
2004-10-11 14:04 ` viro
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