diff --git a/arch/arm/mach-omap1/common.h b/arch/arm/mach-omap1/common.h
index a9a5146dd2d4d3877f021780ef02b323b3669c9a..af658ad338ec8d253f3da5b649a3a6a27ae7df59 100644
--- a/arch/arm/mach-omap1/common.h
+++ b/arch/arm/mach-omap1/common.h
@@ -58,5 +58,6 @@ void omap1_restart(char, const char *);
 
 extern struct sys_timer omap1_timer;
 extern bool omap_32k_timer_init(void);
+extern void __init omap_init_consistent_dma_size(void);
 
 #endif /* __ARCH_ARM_MACH_OMAP1_COMMON_H */
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index 5aa1acbcc33e194c944daba24b9c1d33d06121f1..f78ec4e6a5c70509a77a6b22173d307f120f9648 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -133,6 +133,8 @@ void am33xx_map_io(void);
 void omap4_map_io(void);
 void ti81xx_map_io(void);
 
+extern void __init omap_init_consistent_dma_size(void);
+
 /**
  * omap_test_timeout - busy-loop, testing a condition
  * @cond: condition to test until it evaluates to true
diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h
index f5b386b76361c27feebdef55bd449e49b92be4b4..28cd796586330c1da74fa0bdb71089e851621ed6 100644
--- a/arch/arm/plat-omap/include/plat/io.h
+++ b/arch/arm/plat-omap/include/plat/io.h
@@ -266,8 +266,6 @@ extern void omap_writeb(u8 v, u32 pa);
 extern void omap_writew(u16 v, u32 pa);
 extern void omap_writel(u32 v, u32 pa);
 
-extern void __init omap_init_consistent_dma_size(void);
-
 #endif
 
 #endif