powerpc/dma: Add optional platform override of dma_set_mask()
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 30 Aug 2010 19:23:52 +0000 (19:23 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 2 Sep 2010 04:07:32 +0000 (14:07 +1000)
commit5b6e9ff6deb703b95fb355bb66d86096c1a2df09
tree81d76f282fba415681cda3d1e3690da46c3d17b2
parentcab175f9fa2973f0deb1580fca3c966fe1d3981e
powerpc/dma: Add optional platform override of dma_set_mask()

Some platforms may want to override dma_set_mask() to take into
account some specific "features" such as the availability of
a direct-map window in addition to an iommu.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/include/asm/dma-mapping.h
arch/powerpc/include/asm/machdep.h
arch/powerpc/kernel/dma.c