diff options
Diffstat (limited to 'arch/powerpc/include/asm/device.h')
| -rw-r--r-- | arch/powerpc/include/asm/device.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h index e3e06e0f7fc0..6d94d27ed850 100644 --- a/arch/powerpc/include/asm/device.h +++ b/arch/powerpc/include/asm/device.h @@ -6,7 +6,7 @@ #ifndef _ASM_POWERPC_DEVICE_H #define _ASM_POWERPC_DEVICE_H -struct dma_mapping_ops; +struct dma_map_ops; struct device_node; struct dev_archdata { @@ -14,8 +14,20 @@ struct dev_archdata { struct device_node *of_node; /* DMA operations on that device */ - struct dma_mapping_ops *dma_ops; - void *dma_data; + struct dma_map_ops *dma_ops; + + /* + * When an iommu is in use, dma_data is used as a ptr to the base of the + * iommu_table. Otherwise, it is a simple numerical offset. + */ + union { + dma_addr_t dma_offset; + void *iommu_table_base; + } dma_data; + +#ifdef CONFIG_SWIOTLB + dma_addr_t max_direct_dma_addr; +#endif }; static inline void dev_archdata_set_node(struct dev_archdata *ad, |