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From: Simon Horman <horms@verge.net.au>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Will Deacon <will.deacon@arm.com>,
	Russell King <rmk+kernel@arm.linux.org.uk>,
	Nicolas Pitre <nico@linaro.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Paul Mundt <lethal@linux-sh.org>,
	linux-sh@vger.kernel.org
Subject: Re: [PATCH 01/24] ARM: shmobile: use __iomem pointers for MMIO
Date: Tue, 18 Sep 2012 20:50:38 +0900	[thread overview]
Message-ID: <20120918115038.GB3198@verge.net.au> (raw)
In-Reply-To: <201209180831.06572.arnd@arndb.de>

On Tue, Sep 18, 2012 at 08:31:06AM +0000, Arnd Bergmann wrote:
> On Tuesday 18 September 2012, Simon Horman wrote:
> > On Fri, Sep 14, 2012 at 11:34:29PM +0200, Arnd Bergmann wrote:
> > > ARM is moving to stricter checks on readl/write functions,
> > > so we need to use the correct types everywhere.
> > > 
> > > This patch is a bit ugly for shmobile, which is the only platform
> > > that just uses integer literals all over the place, but I can't
> > > see a better way to do this.
> > > 
> > > Cc: Magnus Damm <magnus.damm@gmail.com>
> > > Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > > Cc: Simon Horman <horms@verge.net.au>
> > > Cc: Paul Mundt <lethal@linux-sh.org>
> > > Cc: linux-sh@vger.kernel.org
> > > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > 
> > Wow, thats a lot of chrun, but if we must
> > 
> > Acked-by: Simon Horman <horms@verge.net.au>
> > 
> 
> I agree it's not nice to have to do this, but this is largely because
> of shmobile doing things differently from all other ARM platforms, on
> which the respective patches tend to clean up things and reduce the
> number of type casts.
> 
> The only alternative I can see is for shmobile to introduce its own
> mach/io.h file with the relaxed type checking, but that would only
> defer the problem until the point where you want shmobile to be part
> of the common multiplatform kernel binary.

If it is needed in the long term, then I'm happy with it going in now.
Could you remove the portion that Paul objected to?

  reply	other threads:[~2012-09-18 11:50 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1347658492-11608-1-git-send-email-arnd@arndb.de>
2012-09-14 21:34 ` [PATCH 01/24] ARM: shmobile: use __iomem pointers for MMIO Arnd Bergmann
2012-09-18  7:11   ` Simon Horman
2012-09-18  8:31     ` Arnd Bergmann
2012-09-18 11:50       ` Simon Horman [this message]
2012-09-18 16:04         ` Arnd Bergmann
2012-09-18 23:56           ` Simon Horman
2012-09-18  7:42   ` Paul Mundt
2012-09-14 21:34 ` [PATCH 02/24] ARM: at91: " Arnd Bergmann
2012-09-17  7:56   ` Nicolas Ferre
2012-09-18  8:05     ` Arnd Bergmann
2012-09-14 21:34 ` [PATCH 03/24] ARM: ebsa110: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 04/24] ARM: ep93xx: " Arnd Bergmann
2012-09-14 22:14   ` Ryan Mallon
2012-09-15  7:55     ` Arnd Bergmann
2012-09-14 21:34 ` [PATCH 05/24] ARM: imx: " Arnd Bergmann
2012-09-14 22:31   ` Fabio Estevam
2012-09-15 17:42     ` Arnd Bergmann
2012-09-16  7:21       ` Sascha Hauer
2012-09-14 21:34 ` [PATCH 06/24] ARM: integrator: " Arnd Bergmann
2012-09-16 22:19   ` Linus Walleij
2012-09-16 22:35     ` Russell King - ARM Linux
2012-09-16 22:46       ` Linus Walleij
2012-09-16 23:43         ` Russell King - ARM Linux
2012-09-14 21:34 ` [PATCH 07/24] ARM: iop13xx: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 08/24] ARM: iop32x: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 09/24] ARM: ixp4xx: " Arnd Bergmann
2012-09-18 10:31   ` Krzysztof Halasa
2012-09-18 19:22     ` Krzysztof Halasa
2012-09-19 13:52       ` Arnd Bergmann
2012-09-18 20:12   ` [PATCH 08+09/24] " Krzysztof Halasa
2012-09-18 21:25     ` Arnd Bergmann
2012-09-14 21:34 ` [PATCH 10/24] ARM: ks8695: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 11/24] ARM: lpc32xx: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 12/24] ARM: msm: " Arnd Bergmann
2012-09-14 22:38   ` Stephen Boyd
2012-09-15  5:16     ` David Brown
2012-09-14 21:34 ` [PATCH 13/24] ARM: nomadik: " Arnd Bergmann
2012-09-16 22:24   ` Linus Walleij
2012-09-14 21:34 ` [PATCH 14/24] ARM: prima2: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 15/24] ARM: sa1100: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 16/24] ARM: spear13xx: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 17/24] ARM: OMAP: " Arnd Bergmann
2012-09-15 18:10   ` Tony Lindgren
2012-09-15 20:14     ` Arnd Bergmann
2012-09-16 20:38       ` Tony Lindgren
2012-09-17 21:25         ` Tony Lindgren
2012-09-19 13:35           ` Arnd Bergmann
2012-09-19 13:36             ` Felipe Balbi
2012-09-19 16:44               ` Tony Lindgren
2012-09-14 21:34 ` [PATCH 18/24] ARM: samsung: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 19/24] sh: " Arnd Bergmann
2012-09-18  7:37   ` Paul Mundt
2012-09-18  8:01     ` Arnd Bergmann
2012-09-14 21:34 ` [PATCH 20/24] input: rpcmouse: " Arnd Bergmann
2012-09-19 17:06   ` Dmitry Torokhov
2012-09-14 21:34 ` [PATCH 21/24] serial: ks8695: " Arnd Bergmann
2012-09-14 23:44   ` Greg Kroah-Hartman
2012-09-14 21:34 ` [PATCH 22/24] scsi: eesox: " Arnd Bergmann
2012-09-14 23:27   ` Russell King - ARM Linux
2012-09-15  8:00     ` Arnd Bergmann
2012-09-15  8:57       ` Russell King - ARM Linux
2012-09-15 10:30         ` Arnd Bergmann
2012-09-17 22:03           ` Russell King - ARM Linux
2012-09-18  8:09             ` Arnd Bergmann
2012-09-14 21:34 ` [PATCH 23/24] video: da8xx-fb: " Arnd Bergmann
2012-09-14 21:34 ` [PATCH 24/24] net: seeq: " Arnd Bergmann
2012-09-14 23:56   ` Russell King - ARM Linux
2012-09-15  4:00     ` David Miller
2012-09-18  8:14       ` Arnd Bergmann
2012-09-15 11:33 ` [PATCH 13/24] ARM: nomadik: " Alessandro Rubini
2012-09-28 20:13   ` Arnd Bergmann

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