From ec335526b4bce21f6777d3917d6d67c16009ec63 Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Sun, 14 Oct 2012 11:05:29 +0400 Subject: [PATCH] serial: clps711x: Fix break control handling Signed-off-by: Alexander Shiyan Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/clps711x.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c index 7b0e539ee9c..73505c1edc7 100644 --- a/drivers/tty/serial/clps711x.c +++ b/drivers/tty/serial/clps711x.c @@ -218,12 +218,14 @@ static void clps711xuart_break_ctl(struct uart_port *port, int break_state) unsigned int ubrlcr; spin_lock_irqsave(&port->lock, flags); + ubrlcr = clps_readl(UBRLCR(port)); - if (break_state == -1) + if (break_state) ubrlcr |= UBRLCR_BREAK; else ubrlcr &= ~UBRLCR_BREAK; clps_writel(ubrlcr, UBRLCR(port)); + spin_unlock_irqrestore(&port->lock, flags); }