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(-)
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2.7.4
