From: Ming Lei <tom.leiming@gmail.com>
Date: Tue, 13 Jul 2010 15:56:24 +0000 (+0800)
Subject: USB: serial: enable async suspend for usb serial port device
X-Git-Tag: v2.6.36-rc1~293^2~70
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7a6b79bc5bd5dda9fdd1adb4a342a4c5ee789a8;p=pandora-kernel.git

USB: serial: enable async suspend for usb serial port device

Usb serial port device is child of its usb interface device, so
we can enable async suspend of usb serial port device to speedup
system suspend.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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