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path: root/drivers/tty/mxser.c
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Diffstat (limited to 'drivers/tty/mxser.c')
-rw-r--r--drivers/tty/mxser.c35
1 files changed, 13 insertions, 22 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 2f12bb9f4336..98d2bd16706d 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -711,8 +711,8 @@ static int mxser_change_speed(struct tty_struct *tty,
/* CTS flow control flag and modem status interrupts */
info->IER &= ~UART_IER_MSI;
info->MCR &= ~UART_MCR_AFE;
+ tty_port_set_cts_flow(&info->port, cflag & CRTSCTS);
if (cflag & CRTSCTS) {
- info->port.flags |= ASYNC_CTS_FLOW;
info->IER |= UART_IER_MSI;
if ((info->type == PORT_16550A) || (info->board->chip_flag)) {
info->MCR |= UART_MCR_AFE;
@@ -744,16 +744,11 @@ static int mxser_change_speed(struct tty_struct *tty,
}
}
}
- } else {
- info->port.flags &= ~ASYNC_CTS_FLOW;
}
outb(info->MCR, info->ioaddr + UART_MCR);
- if (cflag & CLOCAL) {
- info->port.flags &= ~ASYNC_CHECK_CD;
- } else {
- info->port.flags |= ASYNC_CHECK_CD;
+ tty_port_set_check_carrier(&info->port, ~cflag & CLOCAL);
+ if (~cflag & CLOCAL)
info->IER |= UART_IER_MSI;
- }
outb(info->IER, info->ioaddr + UART_IER);
/*
@@ -826,7 +821,7 @@ static void mxser_check_modem_status(struct tty_struct *tty,
port->mon_data.modem_status = status;
wake_up_interruptible(&port->port.delta_msr_wait);
- if ((port->port.flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
+ if (tty_port_check_carrier(&port->port) && (status & UART_MSR_DDCD)) {
if (status & UART_MSR_DCD)
wake_up_interruptible(&port->port.open_wait);
}
@@ -1086,12 +1081,10 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
mutex_lock(&port->mutex);
mxser_close_port(port);
mxser_flush_buffer(tty);
- if (test_bit(ASYNCB_INITIALIZED, &port->flags)) {
- if (C_HUPCL(tty))
- tty_port_lower_dtr_rts(port);
- }
+ if (tty_port_initialized(port) && C_HUPCL(tty))
+ tty_port_lower_dtr_rts(port);
mxser_shutdown_port(port);
- clear_bit(ASYNCB_INITIALIZED, &port->flags);
+ tty_port_set_initialized(port, 0);
mutex_unlock(&port->mutex);
info->closing = 0;
/* Right now the tty_port set is done outside of the close_end helper
@@ -1287,7 +1280,7 @@ static int mxser_set_serial_info(struct tty_struct *tty,
process_txrx_fifo(info);
- if (test_bit(ASYNCB_INITIALIZED, &port->flags)) {
+ if (tty_port_initialized(port)) {
if (flags != (port->flags & ASYNC_SPD_MASK)) {
spin_lock_irqsave(&info->slock, sl_flags);
mxser_change_speed(tty, NULL);
@@ -1296,7 +1289,7 @@ static int mxser_set_serial_info(struct tty_struct *tty,
} else {
retval = mxser_activate(port, tty);
if (retval == 0)
- set_bit(ASYNCB_INITIALIZED, &port->flags);
+ tty_port_set_initialized(port, 1);
}
return retval;
}
@@ -1334,7 +1327,7 @@ static int mxser_tiocmget(struct tty_struct *tty)
if (tty->index == MXSER_PORTS)
return -ENOIOCTLCMD;
- if (test_bit(TTY_IO_ERROR, &tty->flags))
+ if (tty_io_error(tty))
return -EIO;
control = info->MCR;
@@ -1361,7 +1354,7 @@ static int mxser_tiocmset(struct tty_struct *tty,
if (tty->index == MXSER_PORTS)
return -ENOIOCTLCMD;
- if (test_bit(TTY_IO_ERROR, &tty->flags))
+ if (tty_io_error(tty))
return -EIO;
spin_lock_irqsave(&info->slock, flags);
@@ -1715,8 +1708,7 @@ static int mxser_ioctl(struct tty_struct *tty,
return 0;
}
- if (cmd != TIOCGSERIAL && cmd != TIOCMIWAIT &&
- test_bit(TTY_IO_ERROR, &tty->flags))
+ if (cmd != TIOCGSERIAL && cmd != TIOCMIWAIT && tty_io_error(tty))
return -EIO;
switch (cmd) {
@@ -2257,7 +2249,7 @@ static irqreturn_t mxser_interrupt(int irq, void *dev_id)
iir &= MOXA_MUST_IIR_MASK;
tty = tty_port_tty_get(&port->port);
if (!tty || port->closing ||
- !(port->port.flags & ASYNC_INITIALIZED)) {
+ !tty_port_initialized(&port->port)) {
status = inb(port->ioaddr + UART_LSR);
outb(0x27, port->ioaddr + UART_FCR);
inb(port->ioaddr + UART_MSR);
@@ -2400,7 +2392,6 @@ static int mxser_initbrd(struct mxser_board *brd,
if (brd->chip_flag != MOXA_OTHER_UART)
mxser_enable_must_enchance_mode(info->ioaddr);
- info->port.flags = ASYNC_SHARE_IRQ;
info->type = brd->uart_type;
process_txrx_fifo(info);