Messages in this thread Patch in this message | | | From | Wolfram Sang <> | Subject | [PATCH 6/8] serial: 8250: update rs485 flags with polarity settings | Date | Wed, 16 Nov 2011 17:24:43 +0100 |
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Report the only mode we can support with the 16C850.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> --- drivers/tty/serial/8250.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c index 28b3608..8cf6d76 100644 --- a/drivers/tty/serial/8250.c +++ b/drivers/tty/serial/8250.c @@ -2750,6 +2750,9 @@ static int serial8250_ioctl_port(struct uart_port *port, serial_outp(up, UART_LCR, lcr); spin_unlock_irqrestore(&up->port.lock, flags); + /* only mode supported by the 16C850 */ + rs485ctrl.flags &= ~SER_RS485_RTS_ON_SEND; + rs485ctrl.flags |= SER_RS485_RTS_AFTER_SEND; up->rs485_flags = rs485ctrl.flags; return 0; -- 1.7.7.1
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