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[POWERPC] Add an optional offset to direct DMA on 64 bits
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Sat, 11 Nov 2006 06:25:14 +0000 (17:25 +1100)
committerPaul Mackerras <paulus@samba.org>
Mon, 4 Dec 2006 09:38:57 +0000 (20:38 +1100)
commit92b20c40dcca2d441f367da57e7665cce15c492a
tree937e98acbbc3db12c8ed99c4499794d39287f98ftree | snapshot
parent3bc0f40c287a435805b0545ffc44ea41f11cd43ecommit | diff
[POWERPC] Add an optional offset to direct DMA on 64 bits

This patch adds an optional global offset that can be added to DMA addresses
when using the direct DMA operations.

That brings it a step closer to the 32 bits direct DMA operations, and makes
it useable on Cell when the MMU is disabled and we are using a spider
southbridge.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/kernel/dma_64.c diff | blob | history
include/asm-powerpc/dma-mapping.h diff | blob | history
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