From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 3 Apr 2012 19:24:30 +0000 (-0400)
Subject: EHCI: keep track of ports being resumed and indicate in hub_status_data
X-Git-Tag: v3.4-rc3~23^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a448e4dc25303fe551e4dafe16c8c7c34f1b9d82;p=pandora-kernel.git

EHCI: keep track of ports being resumed and indicate in hub_status_data

This patch (as1537) adds a bit-array to ehci-hcd for keeping track of
which ports are undergoing a resume transition.  If any of the bits
are set when ehci_hub_status_data() is called, the routine will return
a nonzero value even if no ports have any status changes pending.
This will allow usbcore to handle races between root-hub suspend and
port wakeup.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Sarah Sharp <sarah.a.sharp@linux.intel.com>
CC: Chen Peter-B29397 <B29397@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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