diff options
Diffstat (limited to 'arch/sparc/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/sparc/include/asm/dma-mapping.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 5a8c308e2b5..4b4a0c0b0cc 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -8,7 +8,6 @@ #define DMA_ERROR_CODE (~(dma_addr_t)0x0) extern int dma_supported(struct device *dev, u64 mask); -extern int dma_set_mask(struct device *dev, u64 dma_mask); #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) @@ -62,4 +61,17 @@ static inline int dma_get_cache_alignment(void) return (1 << INTERNODE_CACHE_SHIFT); } +static inline int dma_set_mask(struct device *dev, u64 mask) +{ +#ifdef CONFIG_PCI + if (dev->bus == &pci_bus_type) { + if (!dev->dma_mask || !dma_supported(dev, mask)) + return -EINVAL; + *dev->dma_mask = mask; + return 0; + } +#endif + return -EINVAL; +} + #endif |