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tty: add more tty_port fields

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Move more bits into the tty_port structure

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
2008-07-16 21:57:18 +01:00
committed by Linus Torvalds
parent 593573bc55
commit 44b7d1b37f
18 changed files with 170 additions and 199 deletions
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29
drivers/char/mxser.c
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@@ -243,10 +243,7 @@ struct mxser_port {
unsigned char ldisc_stop_rx;
int custom_divisor;
int close_delay;
unsigned short closing_wait;
unsigned char err_shadow;
unsigned long event;
struct async_icount icount; /* kernel counters for 4 input interrupts */
int timeout;
@@ -1199,8 +1196,8 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
* the line discipline to only process XON/XOFF characters.
*/
tty->closing = 1;
if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, info->closing_wait);
if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, info->port.closing_wait);
/*
* At this point we stop accepting input. To do this, we
* disable the receive line status interrupts, and tell the
@@ -1231,11 +1228,10 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
tty_ldisc_flush(tty);
tty->closing = 0;
info->event = 0;
info->port.tty = NULL;
if (info->port.blocked_open) {
if (info->close_delay)
schedule_timeout_interruptible(info->close_delay);
if (info->port.close_delay)
schedule_timeout_interruptible(info->port.close_delay);
wake_up_interruptible(&info->port.open_wait);
}
@@ -1370,8 +1366,8 @@ static int mxser_get_serial_info(struct mxser_port *info,
.irq = info->board->irq,
.flags = info->port.flags,
.baud_base = info->baud_base,
.close_delay = info->close_delay,
.closing_wait = info->closing_wait,
.close_delay = info->port.close_delay,
.closing_wait = info->port.closing_wait,
.custom_divisor = info->custom_divisor,
.hub6 = 0
};
@@ -1402,7 +1398,7 @@ static int mxser_set_serial_info(struct mxser_port *info,
if (!capable(CAP_SYS_ADMIN)) {
if ((new_serial.baud_base != info->baud_base) ||
(new_serial.close_delay != info->close_delay) ||
(new_serial.close_delay != info->port.close_delay) ||
((new_serial.flags & ~ASYNC_USR_MASK) != (info->port.flags & ~ASYNC_USR_MASK)))
return -EPERM;
info->port.flags = ((info->port.flags & ~ASYNC_USR_MASK) |
@@ -1414,8 +1410,8 @@ static int mxser_set_serial_info(struct mxser_port *info,
*/
info->port.flags = ((info->port.flags & ~ASYNC_FLAGS) |
(new_serial.flags & ASYNC_FLAGS));
info->close_delay = new_serial.close_delay * HZ / 100;
info->closing_wait = new_serial.closing_wait * HZ / 100;
info->port.close_delay = new_serial.close_delay * HZ / 100;
info->port.closing_wait = new_serial.closing_wait * HZ / 100;
info->port.tty->low_latency =
(info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
info->port.tty->low_latency = 0;
@@ -2214,7 +2210,6 @@ static void mxser_hangup(struct tty_struct *tty)
mxser_flush_buffer(tty);
mxser_shutdown(info);
info->event = 0;
info->port.count = 0;
info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
info->port.tty = NULL;
@@ -2545,6 +2540,7 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
for (i = 0; i < brd->info->nports; i++) {
info = &brd->ports[i];
tty_port_init(&info->port);
info->board = brd;
info->stop_rx = 0;
info->ldisc_stop_rx = 0;
@@ -2559,10 +2555,9 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
process_txrx_fifo(info);
info->custom_divisor = info->baud_base * 16;
info->close_delay = 5 * HZ / 10;
info->closing_wait = 30 * HZ;
info->port.close_delay = 5 * HZ / 10;
info->port.closing_wait = 30 * HZ;
info->normal_termios = mxvar_sdriver->init_termios;
tty_port_init(&info->port);
init_waitqueue_head(&info->delta_msr_wait);
memset(&info->mon_data, 0, sizeof(struct mxser_mon));
info->err_shadow = 0;