3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index a4b95d019f84..7e2a531ba321 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1684,4 +1684,15 @@ int xhci_bus_resume(struct usb_hcd *hcd)
 	return 0;
 }
 
+unsigned long xhci_get_resuming_ports(struct usb_hcd *hcd)
+{
+	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
+	struct xhci_bus_state *bus_state;
+
+	bus_state = &xhci->bus_state[hcd_index(hcd)];
+
+	/* USB3 port wakeups are reported via usb_wakeup_notification() */
+	return bus_state->resuming_ports;	/* USB2 ports only */
+}
+
 #endif	/* CONFIG_PM */
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 8c8da2d657fa..2f239cb3deaf 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -5081,6 +5081,7 @@ static const struct hc_driver xhci_hc_driver = {
 	.hub_status_data =	xhci_hub_status_data,
 	.bus_suspend =		xhci_bus_suspend,
 	.bus_resume =		xhci_bus_resume,
+	.get_resuming_ports =	xhci_get_resuming_ports,
 
 	/*
 	 * call back when device connected and addressed
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 939e2f86b595..ece5891240f0 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2110,9 +2110,11 @@ void xhci_hc_died(struct xhci_hcd *xhci);
 #ifdef CONFIG_PM
 int xhci_bus_suspend(struct usb_hcd *hcd);
 int xhci_bus_resume(struct usb_hcd *hcd);
+unsigned long xhci_get_resuming_ports(struct usb_hcd *hcd);
 #else
 #define	xhci_bus_suspend	NULL
 #define	xhci_bus_resume		NULL
+#define	xhci_get_resuming_ports	NULL
 #endif	/* CONFIG_PM */
 
 u32 xhci_port_state_to_neutral(u32 state);