Add a tty_port_open method and then propogate the effects through the USB
drivers, which nicely fixes a couple of races and cleans up the code.
---
Alan Cox (5):
opticon: Fix resume logic
usb_serial: Kill port mutex
usb_serial: Use the shutdown() operation
tty_port: coding style cleaning pass
tty_port: add "tty_port_open" helper
drivers/char/tty_port.c | 50 ++++++++++++++++++++---
drivers/usb/serial/opticon.c | 7 ++-
drivers/usb/serial/usb-serial.c | 83 +++++++++++++--------------------------
include/linux/tty.h | 10 ++++-
include/linux/usb/serial.h | 3 -
5 files changed, 83 insertions(+), 70 deletions(-)
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