linux-kernel - Re: Backport of spi-fsl-spi bugfix to 3.14.y

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Message-ID: <CAOR3GqUBWyfUvNG-8JiPVkis6b_25Eq_REtcp=kLN3CUoqsG6g@mail.gmail.com>
Date:	Tue, 6 Jan 2015 22:15:47 +0100
From:	Esben Haabendal <esben.haabendal@...il.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-spi@...r.kernel.org, Stefan Roese <sr@...x.de>
Subject: Re: Backport of spi-fsl-spi bugfix to 3.14.y

On 5 January 2015 at 16:48, Mark Brown <broonie@...nel.org> wrote:
> On Mon, Jan 05, 2015 at 04:42:44PM +0100, Esben Haabendal wrote:
>
>> Please consider commit 4302a59629f7a0bd70fd1605d2b558597517372a
>> (spi: fsl: Fix problem with multi message transfers) for inclusion in
>> stable kernel 3.14.
>
>> It fixes a regression when using mmc_spi driver on top of spi-fsl-spi
>> driver (tested with powerpc mpc8313 based board).
>
> Has this ever worked?

Yes, I have used mmc_spi with spi-fsl-spi on the same board with success
with in 2.6.33, 3.0 and 3.4.

I have no idea what has caused this to break.  Maybe mmc_spi driver was
not doing multi message transfers earlier?

/Esben
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