icside: devm_iounmap() needs linux/io.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index 444a0b8..c89b5f4 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -18,10 +18,10 @@
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/scatterlist.h>
+#include <linux/io.h>
 
 #include <asm/dma.h>
 #include <asm/ecard.h>
-#include <asm/io.h>
 
 #define ICS_IDENT_OFFSET		0x2280