port_locked 1635 drivers/tty/serial/pch_uart.c int port_locked = 1; port_locked 1647 drivers/tty/serial/pch_uart.c port_locked = 0; port_locked 1650 drivers/tty/serial/pch_uart.c port_locked = spin_trylock(&priv->port.lock); port_locked 1672 drivers/tty/serial/pch_uart.c if (port_locked)