Ming Lei a7a6b79bc5 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>

2010-08-10 14:35:39 -07:00

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