diff options
Diffstat (limited to 'arch/mips/include/asm/mach-loongson/dma-coherence.h')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson/dma-coherence.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson/dma-coherence.h b/arch/mips/include/asm/mach-loongson/dma-coherence.h index 71a6851ba833..981c75f91a7d 100644 --- a/arch/mips/include/asm/mach-loongson/dma-coherence.h +++ b/arch/mips/include/asm/mach-loongson/dma-coherence.h | |||
| @@ -28,7 +28,11 @@ static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, | |||
| 28 | static inline unsigned long plat_dma_addr_to_phys(struct device *dev, | 28 | static inline unsigned long plat_dma_addr_to_phys(struct device *dev, |
| 29 | dma_addr_t dma_addr) | 29 | dma_addr_t dma_addr) |
| 30 | { | 30 | { |
| 31 | #if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT) | ||
| 32 | return (dma_addr > 0x8fffffff) ? dma_addr : (dma_addr & 0x0fffffff); | ||
| 33 | #else | ||
| 31 | return dma_addr & 0x7fffffff; | 34 | return dma_addr & 0x7fffffff; |
| 35 | #endif | ||
| 32 | } | 36 | } |
| 33 | 37 | ||
| 34 | static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, | 38 | static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, |