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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.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 71648dcbe43..5c5c538ea73 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -156,3 +156,10 @@ extern void usb_notify_remove_device(struct usb_device *udev);
extern void usb_notify_add_bus(struct usb_bus *ubus);
extern void usb_notify_remove_bus(struct usb_bus *ubus);
+#ifdef CONFIG_ACPI
+extern int usb_acpi_register(void);
+extern void usb_acpi_unregister(void);
+#else
+static inline int usb_acpi_register(void) { return 0; };
+static inline void usb_acpi_unregister(void) { };
+#endif