diff options
Diffstat (limited to 'arch/mips/include/asm/mach-generic/dma-coherence.h')
| -rw-r--r-- | arch/mips/include/asm/mach-generic/dma-coherence.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h index 0f8a354fd468..61addb1677e9 100644 --- a/arch/mips/include/asm/mach-generic/dma-coherence.h +++ b/arch/mips/include/asm/mach-generic/dma-coherence.h @@ -49,7 +49,19 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) static inline int plat_device_is_coherent(struct device *dev) { - return coherentio; +#ifdef CONFIG_DMA_PERDEV_COHERENT + return dev->archdata.dma_coherent; +#else + switch (coherentio) { + default: + case IO_COHERENCE_DEFAULT: + return hw_coherentio; + case IO_COHERENCE_ENABLED: + return 1; + case IO_COHERENCE_DISABLED: + return 0; + } +#endif } #ifndef plat_post_dma_flush |