Date: Fri, 28 Oct 2005 08:57:21 +0100
From: Russell King <rmk+lkml@arm.linux.org.uk>
To: John Bowler <jbowler@acm.org>
Cc: "'Deepak Saxena'" <dsaxena@plexity.net>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.6.14 include/asm-arm/arch-ixp4xx/io.h: eliminate warning for pointer passed to integral function argument
Message-ID: <20051028075721.GF5044@flint.arm.linux.org.uk>
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	'Deepak Saxena' <dsaxena@plexity.net>, linux-kernel@vger.kernel.org
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On Thu, Oct 27, 2005 at 11:19:14PM -0700, John Bowler wrote:
> Fix for a compiler warning, this wasn't apparent in 2.6.12, I
> believe the compiler options have been changed (somewhere) so
> that passing a (void*) to a (u32) argument is now warned.

readb/writeb and friends take a "void __iomem *".  You should
arrange the __ixp4xx versions to take that.

> This accounts for the majority of the warnings in my builds of
> the 2.6.14 kernel for NSLU2.

If you want to see why, grab sparse and build your kernel with C=1.

PS, please do not copy both linux-kernel and linux-arm-kernel.  It's
bad taste to send a message to an open mailing list and a members only
list.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
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