Signed-off-by: Anton Staaf robotboy@chromium.org Cc: Mike Frysinger vapier@gentoo.org Cc: Lukasz Majewski l.majewski@samsung.com Cc: Daniel Hellstrom daniel@gaisler.com --- 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