[PATCH] ARM: mmu: include <asm/io.h> from <mmu.h>

[Ahmad Fatoum]

To make sure virt_to_phys() is always defined, include the relevant
header.

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 include/mmu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/mmu.h b/include/mmu.h
index 29992ae1d6c6..f79619808829 100644
--- a/include/mmu.h
+++ b/include/mmu.h
@@ -27,6 +27,7 @@
 #define MAP_DEFAULT	MAP_ARCH_DEFAULT
 
 #include <asm/mmu.h>
+#include <asm/io.h>
 
 static inline bool maptype_is_compatible(maptype_t active, maptype_t check)
 {
-- 
2.47.3