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| author | Viktar Palstsiuk | 2011-02-09 15:26:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2011-02-17 20:26:12 +0100 |
| commit | 42bd7a4f68e7785dce656a379c3de0a74f5a4d84 (patch) | |
| tree | 50957b021b63fabc59305f7f439c712c7305417f /drivers/tty | |
| parent | tty: Add msm_smd_tty driver (diff) | |
| download | kernel-qcow2-linux-42bd7a4f68e7785dce656a379c3de0a74f5a4d84.tar.gz kernel-qcow2-linux-42bd7a4f68e7785dce656a379c3de0a74f5a4d84.tar.xz kernel-qcow2-linux-42bd7a4f68e7785dce656a379c3de0a74f5a4d84.zip | |
atmel_serial: enable PPS support
Enables PPS support in atmel serial driver to make PPS API working.
Signed-off-by: Viktar Palstsiuk <viktar.palstsiuk@promwad.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/atmel_serial.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 2a1d52fb4936..f119d1761106 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1240,6 +1240,21 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, spin_unlock_irqrestore(&port->lock, flags); } +static void atmel_set_ldisc(struct uart_port *port, int new) +{ + 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; + atmel_enable_ms(port); + } else { + port->flags &= ~UPF_HARDPPS_CD; + } +} + /* * Return string describing the specified port */ @@ -1380,6 +1395,7 @@ static struct uart_ops atmel_pops = { .shutdown = atmel_shutdown, .flush_buffer = atmel_flush_buffer, .set_termios = atmel_set_termios, + .set_ldisc = atmel_set_ldisc, .type = atmel_type, .release_port = atmel_release_port, .request_port = atmel_request_port, |