[PATCH 1/2] ARM: shmobile: sdhi: pass DMA filter from platform code

[Arnd Bergmann]

On Friday 31 May 2013 16:52:13 Guennadi Liakhovetski wrote:
> 
> Thanks for the patches. How about this fix:
> 
> http://thread.gmane.org/gmane.linux.kernel.mmc/20619
> 
> I think it's a better fix. SHDMA users cannot use other DMA drivers, so, I 
> don't think we need to pass the filter via the platform data.

I think it's more a matter of using the API correctly. The dmaengine
API is an abstraction to separate the slave driver from the master
through well-defined calls. If you make additional assumptions
in the slave driver about the master, that is a layering violation.

	Arnd