diff options
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 933606777f45..0c48051db172 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -196,7 +196,7 @@ static int uart_startup(struct tty_struct *tty, struct uart_state *state, struct tty_port *port = &state->port; int retval; - if (port->flags & ASYNC_INITIALIZED) + if (tty_port_initialized(port)) return 0; /* @@ -207,7 +207,7 @@ static int uart_startup(struct tty_struct *tty, struct uart_state *state, retval = uart_port_startup(tty, state, init_hw); if (!retval) { - set_bit(ASYNCB_INITIALIZED, &port->flags); + tty_port_set_initialized(port, 1); clear_bit(TTY_IO_ERROR, &tty->flags); } else if (retval > 0) retval = 0; @@ -231,7 +231,9 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state) if (tty) set_bit(TTY_IO_ERROR, &tty->flags); - if (test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) { + if (tty_port_initialized(port)) { + tty_port_set_initialized(port, 0); + /* * Turn off DTR and RTS early. */ @@ -886,7 +888,7 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port, retval = 0; if (uport->type == PORT_UNKNOWN) goto exit; - if (port->flags & ASYNC_INITIALIZED) { + if (tty_port_initialized(port)) { if (((old_flags ^ uport->flags) & UPF_SPD_MASK) || old_custom_divisor != uport->custom_divisor) { /* @@ -1390,7 +1392,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) * At this point, we stop accepting input. To do this, we * disable the receive line status interrupts. */ - if (port->flags & ASYNC_INITIALIZED) { + if (tty_port_initialized(port)) { spin_lock_irq(&uport->lock); uport->ops->stop_rx(uport); spin_unlock_irq(&uport->lock); @@ -2003,12 +2005,12 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) uport->suspended = 1; - if (port->flags & ASYNC_INITIALIZED) { + if (tty_port_initialized(port)) { const struct uart_ops *ops = uport->ops; int tries; tty_port_set_suspended(port, 1); - clear_bit(ASYNCB_INITIALIZED, &port->flags); + tty_port_set_initialized(port, 0); spin_lock_irq(&uport->lock); ops->stop_tx(uport); @@ -2107,7 +2109,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) ops->set_mctrl(uport, uport->mctrl); ops->start_tx(uport); spin_unlock_irq(&uport->lock); - set_bit(ASYNCB_INITIALIZED, &port->flags); + tty_port_set_initialized(port, 1); } else { /* * Failed to resume - maybe hardware went away? @@ -2248,10 +2250,10 @@ static int uart_poll_init(struct tty_driver *driver, int line, char *options) ret = 0; mutex_lock(&tport->mutex); /* - * We don't set ASYNCB_INITIALIZED as we only initialized the - * hw, e.g. state->xmit is still uninitialized. + * We don't set initialized as we only initialized the hw, + * e.g. state->xmit is still uninitialized. */ - if (!test_bit(ASYNCB_INITIALIZED, &tport->flags)) + if (!tty_port_initialized(tport)) ret = port->ops->poll_init(port); mutex_unlock(&tport->mutex); if (ret) |