From b54bf3b24908cd4f6a1d24276f795cfbccba5a3f Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jslaby@suse.cz>
Date: Wed, 9 Nov 2011 21:33:44 +0100
Subject: TTY: serial, cleanup atmel_set_ldisc
Current ldisc number is passed as a paramneter -- no need to dig it
out of the tty or ldisc. So switch PPS check to that.
No tty callback can be called with port->line higher than TTY driver
num. So remove the check.
This removes some port.tty users.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Viktar Palstsiuk <viktar.palstsiuk@promwad.com>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/tty/serial/atmel_serial.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
(limited to 'drivers')
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 4a0f86f..6b844d4 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1256,12 +1256,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
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) {
+ if (new == N_PPS) {
port->flags |= UPF_HARDPPS_CD;
atmel_enable_ms(port);
} else {
--
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