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

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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

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