[PATCH] USB serial: encapsulate schedule_work, remove double-calling

I'm going to throw schedule_work away, it's retarded. But for starters,
let's have it encapsulated.

Also, generic and whiteheat were both calling usb_serial_port_softint
and scheduled work. Only one was necessary.

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/usb/serial/cyberjack.c
Simple merge

diff --cc drivers/usb/serial/cypress_m8.c
Simple merge

diff --cc drivers/usb/serial/empeg.c
Simple merge

diff --cc drivers/usb/serial/ftdi_sio.c
Simple merge

diff --cc drivers/usb/serial/garmin_gps.c
Simple merge

diff --cc drivers/usb/serial/generic.c
Simple merge

diff --cc drivers/usb/serial/ipaq.c
Simple merge

diff --cc drivers/usb/serial/ipw.c
Simple merge

diff --cc drivers/usb/serial/ir-usb.c
Simple merge

diff --cc drivers/usb/serial/keyspan.c
Simple merge

diff --cc drivers/usb/serial/kl5kusb105.c
Simple merge

diff --cc drivers/usb/serial/omninet.c
Simple merge

diff --cc drivers/usb/serial/option.c
Simple merge

diff --cc drivers/usb/serial/pl2303.c
Simple merge

diff --cc drivers/usb/serial/usb-serial.c
Simple merge

diff --cc drivers/usb/serial/usb-serial.h
Simple merge

diff --cc drivers/usb/serial/visor.c
Simple merge

diff --cc drivers/usb/serial/whiteheat.c
Simple merge