diff --git a/drivers/staging/brcm80211/brcmsmac/types.h b/drivers/staging/brcm80211/brcmsmac/types.h
index bbf21897ae0e32137c7f38bbabf5159a31b4cda7..823b5e4672e29fbae23e7bab1175e94154c1b9d6 100644
--- a/drivers/staging/brcm80211/brcmsmac/types.h
+++ b/drivers/staging/brcm80211/brcmsmac/types.h
@@ -18,6 +18,7 @@
 #define _BRCM_TYPES_H_
 
 #include <linux/types.h>
+#include <linux/io.h>
 
 /* Bus types */
 #define	SI_BUS			0	/* SOC Interconnect */