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From: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: [PATCH] arch/powerpc/lib/copy_32.S: Use alternate memcpy for
	MPC512x and MPC52xx
Date: Thu, 8 Jul 2010 21:30:33 +0200
To: =?ISO-8859-1?Q?Albrecht_Dre=DF?= <albrecht.dress@arcor.de>
Cc: linuxppc-dev@lists.ozlabs.org, Steve Deiters <SteveDeiters@basler.com>,
	David Woodhouse <dwmw2@infradead.org>
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> Actually, this is something which might need closer attention - and  
> maybe some support in the device tree indicating which read or  
> write width a device can accept?

There already is "device-width"; the drivers never should use any other
access width unless they *know* that will work.


Segher