diff options
Diffstat (limited to 'arch/arc/include/asm')
| -rw-r--r-- | arch/arc/include/asm/cache.h | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index 368d1f0..2725961 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h @@ -9,15 +9,12 @@ #include <config.h> -/* - * The current upper bound for ARC L1 data cache line sizes is 128 bytes. - * We use that value for aligning DMA buffers unless the board config has - * specified an alternate cache line size. - */ -#ifdef CONFIG_SYS_CACHELINE_SIZE -#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE +#ifdef CONFIG_ARC_CACHE_LINE_SHIFT +#define CONFIG_SYS_CACHELINE_SIZE (1 << CONFIG_ARC_CACHE_LINE_SHIFT) +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE #else -#define ARCH_DMA_MINALIGN 128 +/* Satisfy users of ARCH_DMA_MINALIGN */ +#define ARCH_DMA_MINALIGN 128 #endif #if defined(CONFIG_ARC_MMU_V2) |