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authorThierry Reding <treding@nvidia.com>2014-08-25 13:02:52 +0200
committerMarek Szyprowski <m.szyprowski@samsung.com>2014-08-26 07:39:12 +0200
commit90114d65feea716eeae0ab51e92c95b140b2e6fc (patch)
tree72d7ce0a1cf61c34a3122b77ea914dad50cff68b /fs/ramfs/inode.c
parentLinux 3.17-rc1 (diff)
downloadlinux-90114d65feea716eeae0ab51e92c95b140b2e6fc.tar.xz
linux-90114d65feea716eeae0ab51e92c95b140b2e6fc.zip
s390: Implement dma_{alloc,free}_attrs()
The S390 architecture advertises support for HAVE_DMA_ATTRS when PCI is enabled. Patches to unify some of the DMA API would like to rely on the dma_alloc_attrs() and dma_free_attrs() functions to be provided when an architecture supports DMA attributes. Rename dma_alloc_coherent() and dma_free_coherent() to dma_alloc_attrs() and dma_free_attrs() since they are functionally equivalent and alias the former to the latter for compatibility. For consistency with other architectures, also reuse the existing symbol HAVE_DMA_ATTRS defined in arch/Kconfig instead of providing a duplicate. Select it when PCI is enabled. While at it, drop a redundant 'default n' from the PCI Kconfig symbol. Signed-off-by: Thierry Reding <treding@nvidia.com> Acked-By: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
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