| Message ID | 1542274721-18565-1-git-send-email-mathias.nyman@linux.intel.com (mailing list archive) |
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From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>,
Mathias Nyman <mathias.nyman@linux.intel.com>
Subject: [PATCH 0/1] xhci fix for usb-linus
Date: Thu, 15 Nov 2018 11:38:40 +0200
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xhci fix for usb-linus
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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(-)