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serial: clps711x: Fix break control handling
author
Alexander Shiyan
<shc_work@mail.ru>
Sun, 14 Oct 2012 07:05:29 +0000
(11:05 +0400)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 24 Oct 2012 18:39:47 +0000
(11:39 -0700)
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/clps711x.c
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diff --git
a/drivers/tty/serial/clps711x.c
b/drivers/tty/serial/clps711x.c
index
7b0e539
..
73505c1
100644
(file)
--- 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);
}