ARC: cache: define CONFIG_SYS_CACHELINE_SIZE as ARCH_DMA_MINALIGN

Even though we don't use CONFIG_SYS_CACHELINE_SIZE in ARC-specific code
it is used a lot in different drivers for alignment purposes.

So we define it and make much more drivers at least compilable for ARC.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index 1604cd0..0fdcf2d 100644 (file)
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -16,6 +16,9 @@
  */
 #define ARCH_DMA_MINALIGN      128
 
+/* CONFIG_SYS_CACHELINE_SIZE is used a lot in drivers */
+#define CONFIG_SYS_CACHELINE_SIZE      ARCH_DMA_MINALIGN
+
 #if defined(ARC_MMU_ABSENT)
 #define CONFIG_ARC_MMU_VER 0
 #elif defined(CONFIG_ARC_MMU_V2)