diff options
| author | Will Deacon <will.deacon@arm.com> | 2014-08-27 16:24:20 +0100 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-11-07 21:52:47 +0800 |
| commit | 8916e195a276254275981e750f8751a2b34981af (patch) | |
| tree | 51c8c11df136abfb52da82e166e4994fbf6f3d05 /include | |
| parent | 013b94e8e2a7bfb0c7e610e1d48df845552c34b6 (diff) | |
dma-mapping: detect and configure IOMMU in of_dma_configure
This patch extends of_dma_configure so that it sets up the IOMMU for a
device, as well as the coherent/non-coherent DMA mapping ops.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
(cherry picked from commit 97890ba9289c66e23f2f2d431937693b6498d6f6)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dma-mapping.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 8a1560f95d4a..c3007cb4bfa6 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -130,7 +130,13 @@ static inline int dma_coerce_mask_and_coherent(struct device *dev, u64 mask) extern u64 dma_get_required_mask(struct device *dev); #ifndef arch_setup_dma_ops -static inline void arch_setup_dma_ops(struct device *dev, bool coherent) { } +static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base, + u64 size, struct iommu_ops *iommu, + bool coherent) { } +#endif + +#ifndef arch_teardown_dma_ops +static inline void arch_teardown_dma_ops(struct device *dev) { } #endif static inline unsigned int dma_get_max_seg_size(struct device *dev) |