[PATCH] serial: mxs-auart: enable PPS support
From: Janusz Uzycki <hidden>
Date: 2014-09-27 13:36:38
Also in:
linux-devicetree, linux-serial
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Enables PPS support in mxs-auart serial driver to make PPS API working. Signed-off-by: Janusz Uzycki <redacted> --- drivers/tty/serial/mxs-auart.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 4c238bf..fc262ba 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c@@ -782,6 +782,16 @@ static void mxs_auart_settermios(struct uart_port *u, mxs_auart_disable_ms(u); } +static void mxs_auart_set_ldisc(struct uart_port *port, int new) +{ + if (new == N_PPS) { + port->flags |= UPF_HARDPPS_CD; + mxs_auart_enable_ms(port); + } else { + port->flags &= ~UPF_HARDPPS_CD; + } +} + static irqreturn_t mxs_auart_irq_handle(int irq, void *context) { u32 istat;
@@ -949,6 +959,7 @@ static struct uart_ops mxs_auart_ops = { .startup = mxs_auart_startup, .shutdown = mxs_auart_shutdown, .set_termios = mxs_auart_settermios, + .set_ldisc = mxs_auart_set_ldisc, .type = mxs_auart_type, .release_port = mxs_auart_release_port, .request_port = mxs_auart_request_port,
--
1.7.11.3