Rog�rio:
This quick patch will add a 1-second delay between powering up the ports
on your internal hub. Try it out on your desktop computer and post the
debugging log so we can see what happens.
Alan Stern
--- 2.6/drivers/usb/core/hub.c.orig Mon Sep 22 12:37:50 2003
+++ 2.6/drivers/usb/core/hub.c Tue Dec 9 12:56:05 2003
@@ -267,8 +267,10 @@
dev_dbg(hubdev(interface_to_usbdev(hub->intf)),
"enabling power on all ports\n");
dev = interface_to_usbdev(hub->intf);
- for (i = 0; i < hub->descriptor->bNbrPorts; i++)
+ for (i = 0; i < hub->descriptor->bNbrPorts; i++) {
set_port_feature(dev, i + 1, USB_PORT_FEAT_POWER);
+ wait_ms(1000);
+ }
/* Wait for power to be enabled */
wait_ms(hub->descriptor->bPwrOn2PwrGood * 2);
-------------------------------------------------------
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