[PATCH 0/3 v2] sh: fix dma driver

[Guennadi Liakhovetski]

Further testing with preempt enabled revealed more problems with 
insufficient locking and improper descriptor state management. Therefore 
I'm resubmitting the

sh: fix DMA driver's descriptor chaining and cookie assignment

patch. At the same time I swapped it with stylistic changes, to put the 
complex stuff in the end. Also added a minor patch fixing comment in 
dmaengine.h. Patches

sh: DMA driver has to specify its alignment requirements
dmaengine: fix dmatest to verify minimum transfer length and test buffer size
sh: dmaengine support for sh7724

are not changed, so, not resubmitted

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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