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authorMilton Miller2011-06-24 11:05:24 +0200
committerBenjamin Herrenschmidt2011-09-20 01:19:35 +0200
commitd24f9c6999eacd3a7bc2b289e49fcb2bf2fafef2 (patch)
tree66276ee7149e5eab4b7ec9785bad7bdf0564ea3d /arch/powerpc/sysdev
parentdma-mapping: Add get_required_mask if arch overrides default (diff)
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powerpc: Use the newly added get_required_mask dma_map_ops hook
Now that the generic code has dma_map_ops set, instead of having a messy ifdef & if block in the base dma_get_required_mask hook push the computation into the dma ops. If the ops fails to set the get_required_mask hook default to the width of dma_addr_t. This also corrects ibmbus ibmebus_dma_supported to require a 64 bit mask. I doubt anything is checking or setting the dma mask on that bus. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org Cc: benh@kernel.crashing.org Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/sysdev')
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