-#ifndef ASM_X86__I8253_H
-#define ASM_X86__I8253_H
+#ifndef _ASM_X86_I8253_H
+#define _ASM_X86_I8253_H
/* i8253A PIT registers */
#define PIT_MODE 0x43
#define inb_pit inb_p
#define outb_pit outb_p
-#endif /* ASM_X86__I8253_H */
+#endif /* _ASM_X86_I8253_H */