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path: root/drivers/usb/core/usb.h
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Diffstat (limited to 'drivers/usb/core/usb.h')
-rw-r--r--drivers/usb/core/usb.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 74df0db954c..98675fb1bc4 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -30,11 +30,22 @@ extern void usb_major_cleanup(void);
extern int usb_host_init(void);
extern void usb_host_cleanup(void);
+#ifdef CONFIG_PM
+
extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg);
extern int usb_resume_both(struct usb_device *udev);
extern int usb_port_suspend(struct usb_device *dev);
extern int usb_port_resume(struct usb_device *dev);
+#else
+
+#define usb_suspend_both(udev, msg) 0
+#define usb_resume_both(udev) 0
+#define usb_port_suspend(dev) 0
+#define usb_port_resume(dev) 0
+
+#endif
+
extern struct bus_type usb_bus_type;
extern struct usb_device_driver usb_generic_driver;