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3 commits

Author SHA1 Message Date
Paul Mundt
01be5d63fd sh: Revamp PCI DMA coherence Kconfig bits. 
Leaving this configurable caused more trouble than it was ever worth, so
just make it explicit. Boards that are verified one way or the other can
fix up their selects accordingly. We presently default to non-coherent
for most platforms.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
 2009-10-27 10:35:02 +09:00
Paul Mundt
f32154c9b5 sh: Add dma-mapping support for dma_alloc/free_coherent() overrides. 
This moves the current dma_alloc/free_coherent() calls to a generic
variant and plugs them in for the nommu default. Other variants can
override the defaults in the dma mapping ops directly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
 2009-10-26 09:50:51 +09:00
Paul Mundt
73c926bee0 sh: Convert to asm-generic/dma-mapping-common.h 
This converts the old DMA mapping support to the new generic
dma-mapping-common.h abstraction.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
 2009-10-20 12:55:56 +09:00