x86: Fix ASM_X86__ header guards
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since:
a. the double underscore is ugly and pointless.
b. no leading underscore violates namespace constraints.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/include/asm/swiotlb.h b/arch/x86/include/asm/swiotlb.h
index 1e20adb..51fb2c7 100644
--- a/arch/x86/include/asm/swiotlb.h
+++ b/arch/x86/include/asm/swiotlb.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SWIOTLB_H
-#define ASM_X86__SWIOTLB_H
+#ifndef _ASM_X86_SWIOTLB_H
+#define _ASM_X86_SWIOTLB_H
#include <asm/dma-mapping.h>
@@ -55,4 +55,4 @@
static inline void dma_mark_clean(void *addr, size_t size) {}
-#endif /* ASM_X86__SWIOTLB_H */
+#endif /* _ASM_X86_SWIOTLB_H */