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path: root/drivers/tty/synclink.c
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Diffstat (limited to 'drivers/tty/synclink.c')
-rw-r--r--drivers/tty/synclink.c74
1 files changed, 32 insertions, 42 deletions
diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c
index c8c760151094..c13e27ecb0b7 100644
--- a/drivers/tty/synclink.c
+++ b/drivers/tty/synclink.c
@@ -1340,7 +1340,7 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info )
wake_up_interruptible(&info->status_event_wait_q);
wake_up_interruptible(&info->event_wait_q);
- if ( (info->port.flags & ASYNC_CHECK_CD) &&
+ if (tty_port_check_carrier(&info->port) &&
(status & MISCSTATUS_DCD_LATCHED) ) {
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("%s CD now %s...", info->device_name,
@@ -1361,8 +1361,7 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info )
if (status & MISCSTATUS_CTS) {
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("CTS tx start...");
- if (info->port.tty)
- info->port.tty->hw_stopped = 0;
+ info->port.tty->hw_stopped = 0;
usc_start_transmitter(info);
info->pending_bh |= BH_TRANSMIT;
return;
@@ -1749,13 +1748,13 @@ static irqreturn_t mgsl_interrupt(int dummy, void *dev_id)
static int startup(struct mgsl_struct * info)
{
int retval = 0;
-
+
if ( debug_level >= DEBUG_LEVEL_INFO )
printk("%s(%d):mgsl_startup(%s)\n",__FILE__,__LINE__,info->device_name);
-
- if (info->port.flags & ASYNC_INITIALIZED)
+
+ if (tty_port_initialized(&info->port))
return 0;
-
+
if (!info->xmit_buf) {
/* allocate a page of memory for a transmit buffer */
info->xmit_buf = (unsigned char *)get_zeroed_page(GFP_KERNEL);
@@ -1788,14 +1787,13 @@ static int startup(struct mgsl_struct * info)
/* program hardware for current parameters */
mgsl_change_params(info);
-
+
if (info->port.tty)
clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
- info->port.flags |= ASYNC_INITIALIZED;
-
+ tty_port_set_initialized(&info->port, 1);
+
return 0;
-
} /* end of startup() */
/* shutdown()
@@ -1808,8 +1806,8 @@ static int startup(struct mgsl_struct * info)
static void shutdown(struct mgsl_struct * info)
{
unsigned long flags;
-
- if (!(info->port.flags & ASYNC_INITIALIZED))
+
+ if (!tty_port_initialized(&info->port))
return;
if (debug_level >= DEBUG_LEVEL_INFO)
@@ -1853,13 +1851,12 @@ static void shutdown(struct mgsl_struct * info)
spin_unlock_irqrestore(&info->irq_spinlock,flags);
- mgsl_release_resources(info);
-
+ mgsl_release_resources(info);
+
if (info->port.tty)
set_bit(TTY_IO_ERROR, &info->port.tty->flags);
- info->port.flags &= ~ASYNC_INITIALIZED;
-
+ tty_port_set_initialized(&info->port, 0);
} /* end of shutdown() */
static void mgsl_program_hw(struct mgsl_struct *info)
@@ -1966,15 +1963,8 @@ static void mgsl_change_params(struct mgsl_struct *info)
}
info->timeout += HZ/50; /* Add .02 seconds of slop */
- if (cflag & CRTSCTS)
- info->port.flags |= ASYNC_CTS_FLOW;
- else
- info->port.flags &= ~ASYNC_CTS_FLOW;
-
- if (cflag & CLOCAL)
- info->port.flags &= ~ASYNC_CHECK_CD;
- else
- info->port.flags |= ASYNC_CHECK_CD;
+ tty_port_set_cts_flow(&info->port, cflag & CRTSCTS);
+ tty_port_set_check_carrier(&info->port, ~cflag & CLOCAL);
/* process tty input control flags */
@@ -2972,7 +2962,7 @@ static int mgsl_ioctl(struct tty_struct *tty,
if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
(cmd != TIOCMIWAIT)) {
- if (tty->flags & (1 << TTY_IO_ERROR))
+ if (tty_io_error(tty))
return -EIO;
}
@@ -3049,7 +3039,7 @@ static void mgsl_set_termios(struct tty_struct *tty, struct ktermios *old_termio
/* Handle transition away from B0 status */
if (!(old_termios->c_cflag & CBAUD) && C_BAUD(tty)) {
info->serial_signals |= SerialSignal_DTR;
- if (!C_CRTSCTS(tty) || !test_bit(TTY_THROTTLED, &tty->flags))
+ if (!C_CRTSCTS(tty) || !tty_throttled(tty))
info->serial_signals |= SerialSignal_RTS;
spin_lock_irqsave(&info->irq_spinlock,flags);
usc_set_serial_signals(info);
@@ -3091,7 +3081,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
goto cleanup;
mutex_lock(&info->port.mutex);
- if (info->port.flags & ASYNC_INITIALIZED)
+ if (tty_port_initialized(&info->port))
mgsl_wait_until_sent(tty, info->timeout);
mgsl_flush_buffer(tty);
tty_ldisc_flush(tty);
@@ -3129,15 +3119,15 @@ static void mgsl_wait_until_sent(struct tty_struct *tty, int timeout)
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_wait_until_sent(%s) entry\n",
__FILE__,__LINE__, info->device_name );
-
+
if (mgsl_paranoia_check(info, tty->name, "mgsl_wait_until_sent"))
return;
- if (!(info->port.flags & ASYNC_INITIALIZED))
+ if (!tty_port_initialized(&info->port))
goto exit;
-
+
orig_jiffies = jiffies;
-
+
/* Set check interval to 1/5 of estimated time to
* send a character, and make it at least 1. The check
* interval should also be less than the timeout.
@@ -3204,7 +3194,7 @@ static void mgsl_hangup(struct tty_struct *tty)
shutdown(info);
info->port.count = 0;
- info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+ tty_port_set_active(&info->port, 0);
info->port.tty = NULL;
wake_up_interruptible(&info->port.open_wait);
@@ -3270,9 +3260,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
printk("%s(%d):block_til_ready on %s\n",
__FILE__,__LINE__, tty->driver->name );
- if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){
+ if (filp->f_flags & O_NONBLOCK || tty_io_error(tty)) {
/* nonblock mode is set or port is not enabled */
- port->flags |= ASYNC_NORMAL_ACTIVE;
+ tty_port_set_active(port, 1);
return 0;
}
@@ -3297,14 +3287,14 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
port->count--;
spin_unlock_irqrestore(&info->irq_spinlock, flags);
port->blocked_open++;
-
+
while (1) {
- if (C_BAUD(tty) && test_bit(ASYNCB_INITIALIZED, &port->flags))
+ if (C_BAUD(tty) && tty_port_initialized(port))
tty_port_raise_dtr_rts(port);
-
+
set_current_state(TASK_INTERRUPTIBLE);
-
- if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)){
+
+ if (tty_hung_up_p(filp) || !tty_port_initialized(port)) {
retval = (port->flags & ASYNC_HUP_NOTIFY) ?
-EAGAIN : -ERESTARTSYS;
break;
@@ -3341,7 +3331,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
__FILE__,__LINE__, tty->driver->name, port->count );
if (!retval)
- port->flags |= ASYNC_NORMAL_ACTIVE;
+ tty_port_set_active(port, 1);
return retval;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 12:21:59 +0000