[patch 16/17] wusb: devices dont use a set address

A WUSB device gets his address during the connection phase; later on,
during the authenthication phase (driven from user space) we assign
the final address. So we need to skip in hub_port_init() the actual
setting of the address for WUSB devices.

Signed-off-by: Inaky Perez-Gonzalez <[email protected]>


Index: linux.hg/drivers/usb/core/hub.c
===================================================================
--- linux.hg.orig/drivers/usb/core/hub.c	2007-07-18 10:05:50.000000000 -0700
+++ linux.hg/drivers/usb/core/hub.c	2007-07-18 10:05:50.000000000 -0700
@@ -2405,7 +2405,13 @@
 			}
 #undef GET_DESCRIPTOR_BUFSIZE
 		}
-
+		/*
+		 * If device is WUSB, we already assigned an
+		 * unauthorized address in the Connect Ack sequence;
+		 * authorization will assign the final address.
+		 */
+		if (udev->wusb == 1)
+			break;
 		for (j = 0; j < SET_ADDRESS_TRIES; ++j) {
 			retval = hub_set_address(udev);
 			if (retval >= 0)
@@ -2442,7 +2448,7 @@
 	if (retval)
 		goto fail;
 
-	i = udev->descriptor.bMaxPacketSize0 == 0xff?
+	i = udev->descriptor.bMaxPacketSize0 == 0xff?	/* wusb device? */
 	    512 : udev->descriptor.bMaxPacketSize0;
 	if (le16_to_cpu(udev->ep0.desc.wMaxPacketSize) != i) {
 		if (udev->speed != USB_SPEED_FULL ||

--

Inaky

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