diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 6a61b9f..0aac6a6 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -32,6 +32,7 @@
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
+#include <linux/sched.h>		/* signal_pending() */
 #include <linux/pcieport_if.h>
 #include "pci_hotplug.h"