diff options
| -rw-r--r-- | drivers/tty/serial/8250/8250_pci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index fb0a49e39072..a76254031bc2 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1597,6 +1597,11 @@ static int pci_fintek_rs485_config(struct uart_port *port, return 0; } +static const struct serial_rs485 pci_fintek_rs485_supported = { + .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND, + /* F81504/508/512 does not support RTS delay before or after send */ +}; + static int pci_fintek_setup(struct serial_private *priv, const struct pciserial_board *board, struct uart_8250_port *port, int idx) @@ -1616,6 +1621,7 @@ static int pci_fintek_setup(struct serial_private *priv, port->port.iotype = UPIO_PORT; port->port.iobase = iobase; port->port.rs485_config = pci_fintek_rs485_config; + port->port.rs485_supported = &pci_fintek_rs485_supported; data = devm_kzalloc(&pdev->dev, sizeof(u8), GFP_KERNEL); if (!data) |