1 files changed, 6 insertions, 0 deletions

diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h
index 5a58b176dd61..7b292d386713 100644
--- a/include/asm-x86/io.h
+++ b/include/asm-x86/io.h
@@ -1,5 +1,11 @@
+#define ARCH_HAS_IOREMAP_WC
+
 #ifdef CONFIG_X86_32
 # include "io_32.h"
 #else
 # include "io_64.h"
 #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);
+