[Gta04-owner] U-Boot with USB plugged-in

Paul Kocialkowski contact at paulk.fr
Sat May 3 18:01:10 CEST 2014


While booting the gta04 with an USB cable attached, the host system
notices a new device as soon as it reaches U-Boot:

May  3 17:52:56 collins kernel: [ 4245.768219] usb 3-1: new full-speed
USB device number 45 using xhci_hcd

And eventually timeouts waiting for a response:

May  3 17:53:01 collins kernel: [ 4250.772467] xhci_hcd 0000:00:14.0:
Timeout while waiting for address device command
May  3 17:53:02 collins kernel: [ 4251.285823] usb 3-1: Device not
responding to set address.
May  3 17:53:02 collins kernel: [ 4251.489061] usb 3-1: device not
accepting address 45, error -71

While this host can recover from it and eventually shows a new USB
device (with proper responses) when the kernel is ready, on another
setup, it makes the port unusable until the next reboot:

[ 5983.290701] usb 3-1: new full-speed USB device number 7 using
xhci_hcd
[ 5988.290633] xhci_hcd 0000:02:00.0: Timeout while waiting for address
device command
[ 5988.494585] xhci_hcd 0000:02:00.0: ERROR no room on ep ring
[ 5988.494591] xhci_hcd 0000:02:00.0: ERR: No room for command on
command ring
[ 5988.698573] usb 3-1: device not accepting address 7, error -12
[ 5988.698606] xhci_hcd 0000:02:00.0: ERROR no room on ep ring
[ 5988.698608] xhci_hcd 0000:02:00.0: ERR: No room for command on
command ring
[ 5988.698611] xhci_hcd 0000:02:00.0: ERROR no room on ep ring
[ 5988.698613] xhci_hcd 0000:02:00.0: ERR: No room for command on
command ring

I suppose this not an intended behavior, so it would be nice to resolve
that issue. That's causing me issues when developing on the device
(always remember to unplug the cable before rebooting).

-- 
Paul Kocialkowski, Replicant developer

Replicant is a fully free Android distribution

Website:        http://www.replicant.us/
Wiki/Tracker:   http://redmine.replicant.us/
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