From: Takashi Yoshii <takashi.yoshii.zj@renesas.com>
Date: Fri, 16 Nov 2012 01:52:22 +0000 (+0900)
Subject: serial: sh-sci: fix condition test to set SCBRR
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4ffc3cdb642823ebee84538addac7cde1174e314;p=openwrt%2Fstaging%2Fblogic.git

serial: sh-sci: fix condition test to set SCBRR

SCBRR == 0 is valid value (divide by 1).

Signed-off-by: Takashi Yoshii <takashi.yoshii.zj@renesas.com>
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 8aade611d1a8..6c1fddb0e20a 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1854,7 +1854,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
 	dev_dbg(port->dev, "%s: SMR %x, t %x, SCSCR %x\n", __func__, smr_val, t,
 		s->cfg->scscr);
 
-	if (t > 0) {
+	if (t >= 0) {
 		if (t >= 256) {
 			serial_port_out(port, SCSMR, (serial_port_in(port, SCSMR) & ~3) | 1);
 			t >>= 2;