[PATCH] USB: add notifier functions to the USB core for devices and busses
This should let us get rid of all of the different hooks in the USB core for
when something has changed.
Also, some other parts of the kernel have wanted to know this kind of
information at times.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 207b1ad..a2d923f 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1135,6 +1135,14 @@
/* -------------------------------------------------------------------------- */
+/* Events from the usb core */
+#define USB_DEVICE_ADD 0x0001
+#define USB_DEVICE_REMOVE 0x0002
+#define USB_BUS_ADD 0x0003
+#define USB_BUS_REMOVE 0x0004
+extern void usb_register_notify(struct notifier_block *nb);
+extern void usb_unregister_notify(struct notifier_block *nb);
+
#ifdef DEBUG
#define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , ## arg)
#else