diff options
Diffstat (limited to 'arch/mips/include/asm/dma-coherence.h')
| -rw-r--r-- | arch/mips/include/asm/dma-coherence.h | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/arch/mips/include/asm/dma-coherence.h b/arch/mips/include/asm/dma-coherence.h index 5eaa1fcc878a..846c5ade30d1 100644 --- a/arch/mips/include/asm/dma-coherence.h +++ b/arch/mips/include/asm/dma-coherence.h @@ -9,30 +9,14 @@ #ifndef __ASM_DMA_COHERENCE_H #define __ASM_DMA_COHERENCE_H -enum coherent_io_user_state { - IO_COHERENCE_DEFAULT, - IO_COHERENCE_ENABLED, - IO_COHERENCE_DISABLED, -}; - -#if defined(CONFIG_DMA_PERDEV_COHERENT) -/* Don't provide (hw_)coherentio to avoid misuse */ -#elif defined(CONFIG_DMA_MAYBE_COHERENT) -extern enum coherent_io_user_state coherentio; -extern int hw_coherentio; - +#ifdef CONFIG_DMA_MAYBE_COHERENT +extern bool dma_default_coherent; static inline bool dev_is_dma_coherent(struct device *dev) { - return coherentio == IO_COHERENCE_ENABLED || - (coherentio == IO_COHERENCE_DEFAULT && hw_coherentio); + return dma_default_coherent; } #else -#ifdef CONFIG_DMA_NONCOHERENT -#define coherentio IO_COHERENCE_DISABLED -#else -#define coherentio IO_COHERENCE_ENABLED +#define dma_default_coherent (!IS_ENABLED(CONFIG_DMA_NONCOHERENT)) #endif -#define hw_coherentio 0 -#endif /* CONFIG_DMA_MAYBE_COHERENT */ #endif |