From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tony Lindgren <tony@atomide.com>
Subject: Re: [PATCH] spi: omap2-mcspi: In case of dma errors fall back to
 pio
Date: Tue, 7 Aug 2012 05:02:27 -0700
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* Shubhrajyoti <shubhrajyoti@ti.com> [120807 04:21]:
> On Tuesday 07 August 2012 01:17 PM, Tony Lindgren wrote:
> >>  };
> > Don't you need to check separately for rx and tx dma? There's a slight
> > chance that you get a channel for one but not for the other..
> In that case I treat it as non usable and fall back to pio.

OK that should work too.
 
> Are you suggesting that let one channel be dma and only the failed one pio?

I guess both are doable. For reduced CPU load using DMA where possible
of course is the best way to go.

Tony