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serial: two branches the same in timbuart_set_mctrl() 

CTS is a read only bit and we are to stop signal RTS if modem line
TIOCM_RTS is not set.

Thanks for suggestions by Richard Röjfors.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Roel Kluin 2010-04-27 14:16:33 -07:00 committed by Greg Kroah-Hartman
parent e5bbbb18d8
commit 4405199623
1 changed files with 1 additions and 1 deletions
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2
drivers/serial/timbuart.c
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@ -220,7 +220,7 @@ static void timbuart_set_mctrl(struct uart_port *port, unsigned int mctrl)
if (mctrl & TIOCM_RTS)
iowrite8(TIMBUART_CTRL_RTS, port->membase + TIMBUART_CTRL);
else
iowrite8(TIMBUART_CTRL_RTS, port->membase + TIMBUART_CTRL);
iowrite8(0, port->membase + TIMBUART_CTRL);
}
static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier)