linux-kernel - Re: [PATCH 1/7] mfd: max8925: Move _IO resources out of ioport

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Message-ID: <20120911093826.GJ3647@sortiz-mobl>
Date:	Tue, 11 Sep 2012 11:38:26 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Arnd Bergmann <arnd@...db.de>,
	Russell King <rmk@....linux.org.uk>,
	"v3.4+" <stable@...r.kernel.org>
Subject: Re: [PATCH 1/7] mfd: max8925: Move _IO resources out of
 ioport_ioresource

Hi Mark,

On Tue, Aug 07, 2012 at 07:42:43PM +0100, Mark Brown wrote:
> The removal of mach/io.h from most ARM platforms also set the range of
> valid IO ports to be empty for most platforms when previously any 32
> bit integer had been valid. This makes it impossible to add IO resources
> as the added range is smaller than that of the root resource for IO ports.
> 
> Since we're not really using IO memory at all fix this by defining our
> own root resource outside the normal tree and make that the parent of
> all IO resources. This also ensures we won't conflict with read IO ports
> if we ever run on a platform which happens to use them.
> 
> Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> Cc: stable@...r.kernel.org (v3.4+)
> ---
>  drivers/mfd/max8925-core.c |   10 ++++++++++
>  1 file changed, 10 insertions(+)
Thanks a lot for the follow up. The 7 patches are applied to my for-next
branch now.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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