From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Fri, 17 Jan 2014 23:38:12 +0000 (-0800)
Subject: xhci: Fix resume issues on Renesas chips in Samsung laptops
X-Git-Tag: v3.14-rc3~10^2~15^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1aa9578c1a9450fb21501c4f549f5b1edb557e6d;p=pandora-kernel.git

xhci: Fix resume issues on Renesas chips in Samsung laptops

Don Zickus <dzickus@redhat.com> writes:

Some co-workers of mine bought Samsung laptops that had mostly usb3 ports.
Those ports did not resume correctly (the driver would timeout communicating
and fail).  This led to frustration as suspend/resume is a common use for
laptops.

Poking around, I applied the reset on resume quirk to this chipset and the
resume started working.  Reloading the xhci_hcd module had been the temporary
workaround.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: Don Zickus <dzickus@redhat.com>
Tested-by: Prarit Bhargava <prarit@redhat.com>
Cc: stable # 2.6.37
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