From: Matthew Garrett <mjg@redhat.com>
Date: Tue, 11 Jan 2011 17:26:48 +0000 (-0500)
Subject: ehci: Check individual port status registers on resume
X-Git-Tag: v2.6.37.5~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f2d3ab3688b54f1e1cb7998c599d806e0de0b800;p=pandora-kernel.git

ehci: Check individual port status registers on resume

commit 294d95f2cbc2aef5346258f216cd9df570e271a5 upstream.

If a device plug/unplug is detected on an ATI SB700 USB controller in D3,
it appears to set the port status register but not the controller status
register. As a result we'll fail to detect the plug event. Check the port
status register on resume as well in order to catch this case.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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