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| author | Robin Murphy <Robin.Murphy@arm.com> | 2016-04-07 18:42:05 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2016-05-09 15:33:29 +0200 |
| commit | 53c92d793395fdab9edbd2f79b084bb6b2e6ae79 (patch) | |
| tree | 57a3dd2ec3c8c3b280adab8dbe400c8c19345b40 /arch/arm64 | |
| parent | 3c3e8943ac6f36ca5d18ca61b30634fb560b4ebb (diff) | |
| download | talos-obmc-linux-53c92d793395fdab9edbd2f79b084bb6b2e6ae79.tar.gz talos-obmc-linux-53c92d793395fdab9edbd2f79b084bb6b2e6ae79.zip | |
iommu: of: enforce const-ness of struct iommu_ops
As a set of driver-provided callbacks and static data, there is no
compelling reason for struct iommu_ops to be mutable in core code, so
enforce const-ness throughout.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | arch/arm64/mm/dma-mapping.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h index ba437f090a74..7dbea6c070ec 100644 --- a/arch/arm64/include/asm/dma-mapping.h +++ b/arch/arm64/include/asm/dma-mapping.h @@ -48,7 +48,7 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) } void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, - struct iommu_ops *iommu, bool coherent); + const struct iommu_ops *iommu, bool coherent); #define arch_setup_dma_ops arch_setup_dma_ops #ifdef CONFIG_IOMMU_DMA diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index a6e757cbab77..5d36907f9b12 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -979,13 +979,13 @@ void arch_teardown_dma_ops(struct device *dev) #else static void __iommu_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, - struct iommu_ops *iommu) + const struct iommu_ops *iommu) { } #endif /* CONFIG_IOMMU_DMA */ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, - struct iommu_ops *iommu, bool coherent) + const struct iommu_ops *iommu, bool coherent) { if (!dev->archdata.dma_ops) dev->archdata.dma_ops = &swiotlb_dma_ops; |
