[PATCH] USB Hub driver: Add reset recovery-time delay

This patch is clearly needed for us to be in compliance with the USB spec.
It adds the mandated recovery-time delay following a port reset.
Regardless of anything else we do to alter the device initialization
sequence, this is necessary.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/core/hub.c

@@ -1382,6 +1382,9 @@ static int hub_port_reset(struct usb_hub *hub, int port1,
 		/* return on disconnect or reset */
 		switch (status) {
 		case 0:
+			/* TRSTRCY = 10 ms */
+			msleep(10);
+			/* FALL THROUGH */
 		case -ENOTCONN:
 		case -ENODEV:
 			clear_port_feature(hub->hdev,