serial: 8250: Expose set_ldisc function
Expose set_ldisc() function so that it can be overridden with a
platform specific implementation.
Signed-off-by: Ed Blake <ed.blake@imgtec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 4a32603..fe4399b 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -2693,8 +2693,7 @@
serial8250_do_set_termios(port, termios, old);
}
-static void
-serial8250_set_ldisc(struct uart_port *port, struct ktermios *termios)
+void serial8250_do_set_ldisc(struct uart_port *port, struct ktermios *termios)
{
if (termios->c_line == N_PPS) {
port->flags |= UPF_HARDPPS_CD;
@@ -2710,7 +2709,16 @@
}
}
}
+EXPORT_SYMBOL_GPL(serial8250_do_set_ldisc);
+static void
+serial8250_set_ldisc(struct uart_port *port, struct ktermios *termios)
+{
+ if (port->set_ldisc)
+ port->set_ldisc(port, termios);
+ else
+ serial8250_do_set_ldisc(port, termios);
+}
void serial8250_do_pm(struct uart_port *port, unsigned int state,
unsigned int oldstate)