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authorBecky Bruce <beckyb@kernel.crashing.org>2009-05-14 12:42:28 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-09 16:49:18 +1000
commitec3cf2ece22a8ede7478bf38e2a818986322662b (patch)
tree76654ac60da3d2ac27f49769f825215d55b03276 /arch/m68k/ifpsp060/src
parent1babddbc2e83ab98fc4dd0a3e9bd7b2d30be7e32 (diff)
downloadblackbird-op-linux-ec3cf2ece22a8ede7478bf38e2a818986322662b.tar.gz
blackbird-op-linux-ec3cf2ece22a8ede7478bf38e2a818986322662b.zip
powerpc: Add support for swiotlb on 32-bit
This patch includes the basic infrastructure to use swiotlb bounce buffering on 32-bit powerpc. It is not yet enabled on any platforms. Probably the most interesting bit is the addition of addr_needs_map to dma_ops - we need this as a dma_op because the decision of whether or not an addr can be mapped by a device is device-specific. Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> Acked-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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