diff options
Diffstat (limited to 'arch/mips/include/asm/mach-ip27/dma-coherence.h')
| -rw-r--r-- | arch/mips/include/asm/mach-ip27/dma-coherence.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mach-ip27/dma-coherence.h b/arch/mips/include/asm/mach-ip27/dma-coherence.h index ed7e6222dc15..4c21bfca10c3 100644 --- a/arch/mips/include/asm/mach-ip27/dma-coherence.h +++ b/arch/mips/include/asm/mach-ip27/dma-coherence.h @@ -38,10 +38,34 @@ static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) return dma_addr & ~(0xffUL << 56); } -static inline void plat_unmap_dma_mem(dma_addr_t dma_addr) +static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr) { } +static inline int plat_dma_supported(struct device *dev, u64 mask) +{ + /* + * we fall back to GFP_DMA when the mask isn't all 1s, + * so we can't guarantee allocations that must be + * within a tighter range than GFP_DMA.. + */ + if (mask < DMA_BIT_MASK(24)) + return 0; + + return 1; +} + +static inline void plat_extra_sync_for_device(struct device *dev) +{ + return; +} + +static inline int plat_dma_mapping_error(struct device *dev, + dma_addr_t dma_addr) +{ + return 0; +} + static inline int plat_device_is_coherent(struct device *dev) { return 1; /* IP27 non-cohernet mode is unsupported */ |
