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tty: vt8500_serial: add missing support for RTS setting

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Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexey Charkov 2014-09-06 21:21:13 +04:00 • committed by Greg Kroah-Hartman
parent ae38273524
commit 8c986d3e20
1 changed files with 8 additions and 0 deletions
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8
drivers/tty/serial/vt8500_serial.c
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@ -291,6 +291,14 @@ static unsigned int vt8500_get_mctrl(struct uart_port *port)
static void vt8500_set_mctrl(struct uart_port *port, unsigned int mctrl) static void vt8500_set_mctrl(struct uart_port *port, unsigned int mctrl)
{ {
unsigned int lcr = vt8500_read(port, VT8500_URLCR);
if (mctrl & TIOCM_RTS)
lcr |= VT8500_RTS;
else
lcr &= ~VT8500_RTS;
vt8500_write(port, lcr, VT8500_URLCR);
} }
static void vt8500_break_ctl(struct uart_port *port, int break_ctl) static void vt8500_break_ctl(struct uart_port *port, int break_ctl)