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| author |   Christoph Hellwig <hch@lst.de> | 2019-01-07 13:36:20 -0500 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-02-13 19:12:33 +0100 |
| commit | 347cb6af8710b72cf9685fdc09d07873cf42d51f (patch) | |
| tree | 37927e976037dcea2141aef10cba34efe58d2655 /arch/mips/mm/dma-noncoherent.c | |
| parent | dma-mapping: move debug configuration options to kernel/dma (diff) | |
| download | linux-dev-347cb6af8710b72cf9685fdc09d07873cf42d51f.tar.xz linux-dev-347cb6af8710b72cf9685fdc09d07873cf42d51f.zip | |
dma-mapping: add a kconfig symbol for arch_setup_dma_ops availability
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS
Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Diffstat (limited to 'arch/mips/mm/dma-noncoherent.c')
| -rw-r--r-- | arch/mips/mm/dma-noncoherent.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c index cb38461391cb..0606fc87b294 100644 --- a/arch/mips/mm/dma-noncoherent.c +++ b/arch/mips/mm/dma-noncoherent.c @@ -159,3 +159,11 @@ void arch_dma_cache_sync(struct device *dev, void *vaddr, size_t size, dma_sync_virt(vaddr, size, direction); } + +#ifdef CONFIG_DMA_PERDEV_COHERENT +void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, + const struct iommu_ops *iommu, bool coherent) +{ + dev->dma_coherent = coherent; +} +#endif |