[PATCH] USB core update

Here's a patch against 2.5.3 for the USB core that fixes a possible
initialization bug for some platforms when allocating a new usb, and
changes the warning level on a message (it isn't an error.)  This patch
was done by Oliver Neukum and David Brownell.

drivers/usb/usb.c

@@ -1100,7 +1100,7 @@ struct urb *usb_alloc_urb(int iso_packets)
 	}
 
 	memset(urb, 0, sizeof(*urb));
-	atomic_inc(&urb->count);
+	urb->count = (atomic_t)ATOMIC_INIT(1);
 	spin_lock_init(&urb->lock);
 
 	return urb;
@@ -2283,7 +2283,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
 	/* 9.4.10 says devices don't need this, if the interface
 	   only has one alternate setting */
 	if (iface->num_altsetting == 1) {
-		warn("ignoring set_interface for dev %d, iface %d, alt %d",
+		dbg("ignoring set_interface for dev %d, iface %d, alt %d",
 			dev->devnum, interface, alternate);
 		return 0;
 	}