diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/imx.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 74c9e68fc3bd..f2b43fb497ff 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -476,7 +476,8 @@ static void imx_uart_stop_tx(struct uart_port *port) imx_uart_rts_inactive(sport, &ucr2); imx_uart_writel(sport, ucr2, UCR2); - imx_uart_start_rx(port); + if (!port->rs485_rx_during_tx_gpio) + imx_uart_start_rx(port); sport->tx_state = OFF; } @@ -705,7 +706,8 @@ static void imx_uart_start_tx(struct uart_port *port) imx_uart_rts_inactive(sport, &ucr2); imx_uart_writel(sport, ucr2, UCR2); - if (!(port->rs485.flags & SER_RS485_RX_DURING_TX)) + if (!(port->rs485.flags & SER_RS485_RX_DURING_TX) && + !port->rs485_rx_during_tx_gpio) imx_uart_stop_rx(port); sport->tx_state = WAIT_AFTER_RTS; @@ -1956,6 +1958,10 @@ static int imx_uart_rs485_config(struct uart_port *port, struct ktermios *termio rs485conf->flags & SER_RS485_RX_DURING_TX) imx_uart_start_rx(port); + if (port->rs485_rx_during_tx_gpio) + gpiod_set_value_cansleep(port->rs485_rx_during_tx_gpio, + !!(rs485conf->flags & SER_RS485_RX_DURING_TX)); + return 0; } |