diff options
Diffstat (limited to 'arch/mips/include/asm/dma-coherence.h')
| -rw-r--r-- | arch/mips/include/asm/dma-coherence.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/mips/include/asm/dma-coherence.h b/arch/mips/include/asm/dma-coherence.h index bc5e85d579e6..4fbce79fb57f 100644 --- a/arch/mips/include/asm/dma-coherence.h +++ b/arch/mips/include/asm/dma-coherence.h @@ -9,14 +9,20 @@ #ifndef __ASM_DMA_COHERENCE_H #define __ASM_DMA_COHERENCE_H +enum coherent_io_user_state { + IO_COHERENCE_DEFAULT, + IO_COHERENCE_ENABLED, + IO_COHERENCE_DISABLED, +}; + #ifdef CONFIG_DMA_MAYBE_COHERENT -extern int coherentio; +extern enum coherent_io_user_state coherentio; extern int hw_coherentio; #else #ifdef CONFIG_DMA_COHERENT -#define coherentio 1 +#define coherentio IO_COHERENCE_ENABLED #else -#define coherentio 0 +#define coherentio IO_COHERENCE_DISABLED #endif #define hw_coherentio 0 #endif /* CONFIG_DMA_MAYBE_COHERENT */ |