diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index a10494c2f3c7749a83fe52b2479c469da47e9d0e..cbc4d491e62677ada81e90b11320a3d746051749 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -21,6 +21,7 @@
  */
 
 #include <linux/pci.h>
+#include <linux/slab.h>
 
 #include "xhci.h"