Re: [GIT PULL] USB driver fixes for 3.18-rc7

From: Tony Luck
Date: Tue Apr 07 2015 - 12:32:37 EST


> I got a patch that should fix the xhci "Setup ERROR" part in a setup-error-fix branch:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git setup-error-fix
>
> It's based on Gregs usb-next tree.
> It doesn't solve why the first device descritor read fails.

Did that get applied? I just saw these messages on ia64 on v4.0-rc7 (not seen
on any earlier v4.0-* snapshots).

usb 7-4: new high-speed USB device number 5 using ehci-pci
usb 7-4: device descriptor read/8, error -71
usb 7-4: device descriptor read/8, error -71
usb usb7-port4: unable to enumerate USB device
usb 2-2: new full-speed USB device number 2 using uhci_hcd
usb 2-2: device descriptor read/64, error -71
usb 2-2: device descriptor read/64, error -71
usb 2-2: new full-speed USB device number 3 using uhci_hcd
usb 2-2: device descriptor read/64, error -71
usb 2-2: device descriptor read/64, error -71
usb 2-2: new full-speed USB device number 4 using uhci_hcd
usb 2-2: device descriptor read/8, error -71
usb 2-2: device descriptor read/8, error -71
usb 2-2: new full-speed USB device number 5 using uhci_hcd
usb 2-2: device descriptor read/8, error -71
usb 2-2: device descriptor read/8, error -71
usb usb2-port2: unable to enumerate USB device

-Tony
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