Hi Greg A case was found where USB3 devices fail to enumerate at boot. If a USB3 link is trained slowly then the roothub might autosuspend while device is just getting enabled. This patch fixes the issue -Mathias Mathias Nyman (1): xhci: Prevent bus suspend if a port connect change or polling state is detected drivers/usb/host/xhci-hub.c | 60 ++++++++++++++++++++++++++++++++++----------- 1 file changed, 46 insertions(+), 14 deletions(-) -- 2.7.4