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path: root/drivers/usb/host/xhci.h
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Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index c08928adc524..93d3bf4d213c 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1405,8 +1405,15 @@ int xhci_init(struct usb_hcd *hcd);
int xhci_run(struct usb_hcd *hcd);
void xhci_stop(struct usb_hcd *hcd);
void xhci_shutdown(struct usb_hcd *hcd);
+
+#ifdef CONFIG_PM
int xhci_suspend(struct xhci_hcd *xhci);
int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
+#else
+#define xhci_suspend NULL
+#define xhci_resume NULL
+#endif
+
int xhci_get_frame(struct usb_hcd *hcd);
irqreturn_t xhci_irq(struct usb_hcd *hcd);
irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd);
@@ -1481,8 +1488,15 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex,
char *buf, u16 wLength);
int xhci_hub_status_data(struct usb_hcd *hcd, char *buf);
+
+#ifdef CONFIG_PM
int xhci_bus_suspend(struct usb_hcd *hcd);
int xhci_bus_resume(struct usb_hcd *hcd);
+#else
+#define xhci_bus_suspend NULL
+#define xhci_bus_resume NULL
+#endif /* CONFIG_PM */
+
u32 xhci_port_state_to_neutral(u32 state);
int xhci_find_slot_id_by_port(struct xhci_hcd *xhci, u16 port);
void xhci_ring_device(struct xhci_hcd *xhci, int slot_id);