Re: [PATCH v2] i2c: i2c-mxs: Use DMA mode even for small transfers

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Hi Wolfram,

On Mon, Jul 1, 2013 at 11:23 PM, Shawn Guo <shawn.guo@xxxxxxxxxx> wrote:
> On Mon, Jul 01, 2013 at 06:14:21PM -0300, Fabio Estevam wrote:
>> From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
>>
>> Recently we have been seing some reports about PIO mode not working properly.
>>
>> - http://www.spinics.net/lists/linux-i2c/msg11985.html
>> - http://marc.info/?l=linux-i2c&m=137235593101385&w=2
>> - https://lkml.org/lkml/2013/6/24/430
>>
> It also causes sgtl5000 register write failure [1].  Changing it back to
> DMA mode fixes the failure.  So,
>
> Acked-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
>
> [1] http://thread.gmane.org/gmane.linux.alsa.devel/109715/focus=109747
>

Any comment about this patch, please?

If you are happy with it, could we please have it applied into stable?

3.10 is currently broken without this patch.

Regards,

Fabio Estevam
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