From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yasushi SHOJI <yashi@atmark-techno.com>
Subject: Re: [Linux-fbdev-devel] Re: [PATCH] fbdev: Fix IO access in rivafb
Date: Sat, 13 Nov 2004 21:20:03 +0900
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To: Linus Torvalds <torvalds@osdl.org>
Cc: adaplas@pol.net, Linux Fbdev development list <linux-fbdev-devel@lists.sourceforge.net>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Linux Kernel list <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@osdl.org>, uClinux development list <uclinux-dev@uclinux.org>

Hi Linus,

At Mon, 8 Nov 2004 07:21:53 -0800 (PST),
Linus Torvalds wrote:
>
> On Mon, 8 Nov 2004, Antonino A. Daplas wrote:
> > 
> > How about this patch?  This is almost the original macro in riva_hw.h,
> > with the __force annotation.
> 
> Why not just use __raw_readl/__raw_writel?
> 
> That's what they exist for, and they still do any IO accesses correctly, 
> which a direct store does not do (it would seriously break on older 
> alphas, for example).

sorry for a dumb question but should readl/writel on big endian system
swap like ppc does?

hmm... checking source code, it seems like most arch indeed does that,
except m68knommu, h8300 and microblaze. is it nommu thing?
--
             yashi