linux-kernel - Re: [PATCH] arch/arm/Kconfig: Make UIO available on ARM architecture

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Message-ID: <20080208102347.GD21852@flint.arm.linux.org.uk>
Date:	Fri, 8 Feb 2008 10:23:47 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	Marcin Juszkiewicz <openembedded@...rwu.biz>,
	Christoph Hellwig <hch@...radead.org>,
	Greg KH <greg@...ah.com>,
	linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arch/arm/Kconfig: Make UIO available on ARM architecture

On Fri, Feb 08, 2008 at 10:18:31AM +0000, David Woodhouse wrote:
> But still, it's HAVE_UNALIGNED_ACCESS which we want to depend on, not a
> newly-invented HAVE_MTD. And there are other places we really ought to
> be depending on HAVE_UNALIGNED_ACCESS too.

That would be misleading though - !CPU_CP15_MMU does not mean we support
unaligned accesses.  It means that we may have no way to support fixing
up unaligned accesses.
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