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

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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>
This commit is contained in:
Takashi Yoshii 2012-11-16 10:52:22 +09:00 committed by Greg Kroah-Hartman
parent 0174e5ca82
commit 4ffc3cdb64
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/sh-sci.c
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@ -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;