diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/cache.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h index 03e8d94..44870e8 100644 --- a/arch/sparc/include/asm/cache.h +++ b/arch/sparc/include/asm/cache.h @@ -28,4 +28,14 @@ #include <linux/config.h> #include <asm/processor.h> +/* + * If CONFIG_SYS_CACHELINE_SIZE is defined use it for DMA alignment. Otherwise + * use 32-bytes, the cacheline size for Sparc. + */ +#ifdef CONFIG_SYS_CACHELINE_SIZE +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE +#else +#define ARCH_DMA_MINALIGN 32 +#endif + #endif |