From: Yasushi SHOJI <yashi@atmark-techno.com>
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>
Subject: Re: [Linux-fbdev-devel] Re: [PATCH] fbdev: Fix IO access in rivafb
Date: Sat, 13 Nov 2004 21:20:03 +0900 [thread overview]
Message-ID: <20041113122003.0CA8A3E90C@dns1.atmark-techno.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0411080719460.24286@ppc970.osdl.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
next prev parent reply other threads:[~2004-11-13 12:20 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200411080521.iA85LbG6025914@hera.kernel.org>
2004-11-08 5:57 ` [PATCH] fbdev: Fix IO access in rivafb Benjamin Herrenschmidt
2004-11-08 8:33 ` [Linux-fbdev-devel] " Antonino A. Daplas
2004-11-08 21:50 ` Benjamin Herrenschmidt
2004-11-08 22:18 ` Antonino A. Daplas
2004-11-08 9:06 ` Antonino A. Daplas
2004-11-08 9:55 ` Geert Uytterhoeven
2004-11-08 15:21 ` Linus Torvalds
2004-11-08 20:02 ` Antonino A. Daplas
2004-11-08 20:13 ` Linus Torvalds
2004-11-08 22:08 ` Antonino A. Daplas
2004-11-08 22:25 ` Linus Torvalds
2004-11-12 12:51 ` Guido Guenther
2004-11-12 16:01 ` Linus Torvalds
2004-11-12 19:18 ` Guido Guenther
2004-11-12 19:32 ` Linus Torvalds
2004-11-13 12:57 ` Guido Guenther
2004-11-13 1:39 ` Benjamin Herrenschmidt
2004-11-13 11:22 ` Guido Guenther
2004-11-13 12:00 ` Antonino A. Daplas
2004-11-13 13:02 ` Guido Guenther
2004-11-13 18:00 ` Linus Torvalds
2004-11-13 21:29 ` Antonino A. Daplas
2004-11-13 22:54 ` Guido Guenther
2004-11-13 23:52 ` Benjamin Herrenschmidt
2004-11-13 23:49 ` Benjamin Herrenschmidt
2004-11-13 12:20 ` Yasushi SHOJI [this message]
2004-11-19 1:48 ` readl/writel: swap or not to swap (was: [PATCH] fbdev: Fix IO access in rivafb) Yasushi SHOJI
2004-11-19 4:09 ` readl/writel: swap or not to swap Jeff Garzik
2004-11-19 7:24 ` Yasushi SHOJI
2004-11-08 21:52 ` [Linux-fbdev-devel] Re: [PATCH] fbdev: Fix IO access in rivafb Benjamin Herrenschmidt
2004-11-08 23:07 ` Giuseppe Bilotta
2004-11-13 23:22 ` Guido Guenther
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