From: Julius Werner <jwerner@chromium.org>
Date: Thu, 7 Nov 2013 18:59:14 +0000 (-0800)
Subject: usb: hub: Use correct reset for wedged USB3 devices that are NOTATTACHED
X-Git-Tag: v3.13-rc4~47^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d51f3cd11f414c56a87dc018196b85fd50b04a4;p=pandora-kernel.git

usb: hub: Use correct reset for wedged USB3 devices that are NOTATTACHED

This patch adds a check for USB_STATE_NOTATTACHED to the
hub_port_warm_reset_required() workaround for ports that end up in
Compliance Mode in hub_events() when trying to decide which reset
function to use. Trying to call usb_reset_device() with a NOTATTACHED
device will just fail and leave the port broken.

Signed-off-by: Julius Werner <jwerner@chromium.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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