Re: [PATCHv4] dmaengine: fsl-edma: fixup reg offset and hw S/G support in big-endian model

From: Vinod Koul
Date: Tue Dec 09 2014 - 04:12:40 EST


On Wed, Oct 22, 2014 at 04:53:55PM +0800, Jingchang Lu wrote:
> The offset of all 8-/16-bit registers in big-endian eDMA model are
> swapped in a 32-bit size opposite those in the little-endian model.
>
> The hardware Scatter/Gather requires the subsequent TCDs stored in memory
> in little endian independent of the register endian model, the eDMA engine
> will do the swap if need.
>
> This patch also use regular assignment for tcd variables r/w
> instead of with io function previously that may not always be true.
Applied, thanks

--
~Vinod

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