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-rw-r--r--include/asm-x86/io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h
index 6fa150fa68f..599cad3505c 100644
--- a/include/asm-x86/io.h
+++ b/include/asm-x86/io.h
@@ -1,3 +1,5 @@
+#define ARCH_HAS_IOREMAP_WC
+
#ifdef CONFIG_X86_32
# include "io_32.h"
#else
@@ -5,4 +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);