diff options
Diffstat (limited to 'arch/tile/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/tile/include/asm/dma-mapping.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/tile/include/asm/dma-mapping.h b/arch/tile/include/asm/dma-mapping.h index f2ff191376b4..4a60059876e6 100644 --- a/arch/tile/include/asm/dma-mapping.h +++ b/arch/tile/include/asm/dma-mapping.h @@ -23,6 +23,7 @@ extern struct dma_map_ops *tile_dma_map_ops; extern struct dma_map_ops *gx_pci_dma_map_ops; extern struct dma_map_ops *gx_legacy_pci_dma_map_ops; +extern struct dma_map_ops *gx_hybrid_pci_dma_map_ops; static inline struct dma_map_ops *get_dma_ops(struct device *dev) { @@ -44,12 +45,12 @@ static inline void set_dma_offset(struct device *dev, dma_addr_t off) static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) { - return paddr + get_dma_offset(dev); + return paddr; } static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) { - return daddr - get_dma_offset(dev); + return daddr; } static inline void dma_mark_clean(void *addr, size_t size) {} @@ -88,7 +89,10 @@ dma_set_mask(struct device *dev, u64 mask) struct dma_map_ops *dma_ops = get_dma_ops(dev); /* Handle legacy PCI devices with limited memory addressability. */ - if ((dma_ops == gx_pci_dma_map_ops) && (mask <= DMA_BIT_MASK(32))) { + if ((dma_ops == gx_pci_dma_map_ops || + dma_ops == gx_hybrid_pci_dma_map_ops || + dma_ops == gx_legacy_pci_dma_map_ops) && + (mask <= DMA_BIT_MASK(32))) { set_dma_ops(dev, gx_legacy_pci_dma_map_ops); set_dma_offset(dev, 0); if (mask > dev->archdata.max_direct_dma_addr) |