diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h
index 599cad3505c1..7b292d386713 100644
--- a/include/asm-x86/io.h
+++ b/include/asm-x86/io.h
@@ -7,5 +7,5 @@
 #endif
 extern int ioremap_change_attr(unsigned long vaddr, unsigned long size,
 				unsigned long prot_val);
-extern void __iomem * ioremap_wc(unsigned long offset, unsigned long size);
+extern void __iomem *ioremap_wc(unsigned long offset, unsigned long size);