[PATCH v2 7/9] serial: atmel_serial: set SER_RS485_DELAY_IN_USEC accordingly
From: Martin Kepplinger <hidden>
Date: 2019-02-21 17:18:51
Also in:
linux-devicetree, linux-serial, lkml
Subsystem:
microchip at91 serial driver, the rest, tty layer and serial drivers · Maintainers:
Richard Genoud, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Unset the SER_RS485_DELAY_IN_USEC flag during rs485 config for userspace to get the correct setting. Signed-off-by: Martin Kepplinger <redacted> --- drivers/tty/serial/atmel_serial.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 05147fe24343..36ab1c131d36 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c@@ -346,6 +346,9 @@ static int atmel_config_rs485(struct uart_port *port, port->rs485 = *rs485conf; + /* delays are in milliseconds */ + rs485conf->flags &= ~SER_RS485_DELAY_IN_USEC; + if (rs485conf->flags & SER_RS485_ENABLED) { dev_dbg(port->dev, "Setting UART to RS485\n"); atmel_port->tx_done_mask = ATMEL_US_TXEMPTY;
--
2.20.1