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Commit 6090912c authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt
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powerpc: Implement dma_mmap_coherent()



This is used by Alsa to mmap buffers allocated with dma_alloc_coherent()
into userspace. We need a special variant to handle machines with
non-coherent DMAs as those buffers have "special" virt addresses and
require non-cachable mappings

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 15d260b3
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