diff --git a/drivers/usb/host/ssb-hcd.c b/drivers/usb/host/ssb-hcd.c
index c2e73433b306..c2a29faba076 100644
--- a/drivers/usb/host/ssb-hcd.c
+++ b/drivers/usb/host/ssb-hcd.c
@@ -22,6 +22,7 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/usb/ehci_pdriver.h>
 #include <linux/usb/ohci_pdriver.h>