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authorStefano Stabellini <stefano.stabellini@eu.citrix.com>2013-10-15 15:47:14 +0000
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>2013-10-15 15:47:14 +0000
commit06e6295bcecefea9dc29fc84b5fd6848061365a0 (patch)
treeed978998c49f5bade8571675968a939dc830dd42 /arch/arm64
parentLinux 3.12-rc5 (diff)
downloadlinux-dev-06e6295bcecefea9dc29fc84b5fd6848061365a0.tar.xz
linux-dev-06e6295bcecefea9dc29fc84b5fd6848061365a0.zip
arm: make SWIOTLB available
IOMMU_HELPER is needed because SWIOTLB calls iommu_is_span_boundary, provided by lib/iommu_helper.c. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> CC: will.deacon@arm.com CC: linux@arm.linux.org.uk Changes in v8: - use __phys_to_pfn and __pfn_to_phys. Changes in v7: - dma_mark_clean: empty implementation; - in dma_capable use coherent_dma_mask if dma_mask hasn't been allocated. Changes in v6: - check for dev->dma_mask being NULL in dma_capable. Changes in v5: - implement dma_mark_clean using dmac_flush_range. Changes in v3: - dma_capable: do not treat dma_mask as a limit; - remove SWIOTLB dependency on NEED_SG_DMA_LENGTH.
Diffstat (limited to 'arch/arm64')
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