diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 17:23:46 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 17:23:46 +0000 |
| commit | 74511020dde10252f8b8e648690d99dba721de14 (patch) | |
| tree | 04fc22bc7dd5d5b8d9294b2e57985b093858bd84 /drivers/serial/8250.c | |
| parent | 69266866a5790080d7fe80094b28d670ff8aa765 (diff) | |
| parent | 3cc4e53f86dab635166929bfa47cc68d59b28c26 (diff) | |
Merge branch 'for-2.6.34' into for-2.6.35
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 7c4ebe6ee18b..c3db16b7afa1 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2408,6 +2408,21 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios, } static void +serial8250_set_ldisc(struct uart_port *port) +{ + int line = port->line; + + if (line >= port->state->port.tty->driver->num) + return; + + if (port->state->port.tty->ldisc->ops->num == N_PPS) { + port->flags |= UPF_HARDPPS_CD; + serial8250_enable_ms(port); + } else + port->flags &= ~UPF_HARDPPS_CD; +} + +static void serial8250_pm(struct uart_port *port, unsigned int state, unsigned int oldstate) { @@ -2628,6 +2643,7 @@ static struct uart_ops serial8250_pops = { .startup = serial8250_startup, .shutdown = serial8250_shutdown, .set_termios = serial8250_set_termios, + .set_ldisc = serial8250_set_ldisc, .pm = serial8250_pm, .type = serial8250_type, .release_port = serial8250_release_port, |