diff options
Diffstat (limited to 'arch/ia64/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/ia64/include/asm/dma-mapping.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h index 5a61b5c2e18..88d0f860394 100644 --- a/arch/ia64/include/asm/dma-mapping.h +++ b/arch/ia64/include/asm/dma-mapping.h @@ -69,6 +69,14 @@ dma_set_mask (struct device *dev, u64 mask) return 0; } +static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) +{ + if (!dev->dma_mask) + return 0; + + return addr + size <= *dev->dma_mask; +} + extern int dma_get_cache_alignment(void); static inline void |