From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 19 Sep 2006 14:14:07 +0000 (-0400)
Subject: USB: create new workqueue thread for USB autosuspend
X-Git-Tag: v2.6.19-rc1~868
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd859281c09b4318153dc7222b5e9052aad83b61;p=pandora-kernel.git

USB: create new workqueue thread for USB autosuspend

This patch (as787) creates a new workqueue thread to handle delayed
USB autosuspend requests.  Previously the code used keventd.  However
it turns out that the hub driver's suspend routine calls
flush_scheduled_work(), making it a poor candidate for running in
keventd (the call immediately deadlocks).  The solution is to use a
new thread instead of keventd.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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