diff options
| author |   Christoph Hellwig <hch@lst.de> | 2019-02-13 08:01:09 +0100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-02-18 22:41:02 +1100 |
| commit | ba767b5283c06e1a2fcdd1835c33e42b8fccd09c (patch) | |
| tree | 74c4b10a7457272bb8c13ca5be09b2a61fb0926f /arch/powerpc/include | |
| parent | powerpc/cell: move dma direct window setup out of dma_configure (diff) | |
| download | linux-dev-ba767b5283c06e1a2fcdd1835c33e42b8fccd09c.tar.xz linux-dev-ba767b5283c06e1a2fcdd1835c33e42b8fccd09c.zip | |
powerpc/cell: use the generic iommu bypass code
This gets rid of a lot of clumsy code and finally allows us to mark
dma_iommu_ops const.
Includes fixes from Michael Ellerman.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/iommu.h | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index ff86b863eceb..1d80174db8a4 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -74,7 +74,7 @@ static inline unsigned long device_to_mask(struct device *dev) * Available generic sets of operations */ #ifdef CONFIG_PPC64 -extern struct dma_map_ops dma_iommu_ops; +extern const struct dma_map_ops dma_iommu_ops; #endif extern const struct dma_map_ops dma_nommu_ops; diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index bd069a6542ab..6f00a892ebdf 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -319,5 +319,11 @@ extern void iommu_release_ownership(struct iommu_table *tbl); extern enum dma_data_direction iommu_tce_direction(unsigned long tce); extern unsigned long iommu_direction_to_tce_perm(enum dma_data_direction dir); +#ifdef CONFIG_PPC_CELL_NATIVE +extern bool iommu_fixed_is_weak; +#else +#define iommu_fixed_is_weak false +#endif + #endif /* __KERNEL__ */ #endif /* _ASM_IOMMU_H */ |