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Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/cache.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h
index 508b63f..4ff63c3 100644
--- a/arch/x86/include/asm/cache.h
+++ b/arch/x86/include/asm/cache.h
@@ -11,12 +11,12 @@
* If CONFIG_SYS_CACHELINE_SIZE is defined use it for DMA alignment. Otherwise
* use 64-bytes, a safe default for x86.
*/
-#ifdef CONFIG_SYS_CACHELINE_SIZE
-#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
-#else
-#define ARCH_DMA_MINALIGN 64
+#ifndef CONFIG_SYS_CACHELINE_SIZE
+#define CONFIG_SYS_CACHELINE_SIZE 64
#endif
+#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
+
static inline void wbinvd(void)
{
asm volatile ("wbinvd" : : : "memory");