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From: dedekind1@gmail.com (Artem Bityutskiy)
To: linux-arm-kernel@lists.infradead.org
Subject: Possible regression in arm/io.h
Date: Thu, 22 Nov 2012 09:57:35 +0200	[thread overview]
Message-ID: <1353571055.2701.21.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <20121024152730.GH7339@mudshark.cambridge.arm.com>

On Wed, 2012-10-24 at 16:27 +0100, Will Deacon wrote:
> On Wed, Oct 24, 2012 at 04:04:46PM +0100, Bastian Hecht wrote:
> > >> > Ok, I'll have a look at the impact of moving exclusively to "Q" when I get a
> > >> > chance. Which toolchain are you using?
> > >>
> > >> gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
> > >> For a more verbose info take a look at the bug report link.
> > >
> > > Ok, thanks. One other thing you could try while I try to find a copy of that
> > > toolchain is changing the "+" modifier to an "=", like I proposed in this
> > > version of the patch:
> > 
> > So if alter it to fit to your patch scheme the result is:
> 
> Sorry, the change wasn't as trivial as I thought -- you have to reorder the
> constraints because an output becomes an input for the load accessors. I
> tried it myself and it doesn't fix the issue (I can reproduce it now).

Any progress with this? Do we end up with gcc 4.6+ - uncompilable MTD
drivers in 3.7?

-- 
Best Regards,
Artem Bityutskiy
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  reply	other threads:[~2012-11-22  7:57 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-24 10:38 Possible regression in arm/io.h Bastian Hecht
2012-10-24 10:52 ` Will Deacon
2012-10-24 12:34   ` Bastian Hecht
2012-10-24 13:09     ` Will Deacon
2012-10-24 13:35       ` Bastian Hecht
2012-10-24 13:58         ` Will Deacon
2012-10-24 15:04           ` Bastian Hecht
2012-10-24 15:27             ` Will Deacon
2012-11-22  7:57               ` Artem Bityutskiy [this message]
2012-11-22 10:19                 ` Will Deacon
2012-11-22 10:23                   ` Artem Bityutskiy
2012-10-25  6:55   ` Artem Bityutskiy
2012-10-25 11:17     ` Will Deacon
2012-10-25 12:35       ` Mikael Pettersson

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