diff options
Diffstat (limited to 'drivers/tty/serial/sc16is7xx.c')
| -rw-r--r-- | drivers/tty/serial/sc16is7xx.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 8472bf70477c..259e08cc347c 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1127,7 +1127,7 @@ static void sc16is7xx_set_termios(struct uart_port *port, spin_unlock_irqrestore(&port->lock, flags); } -static int sc16is7xx_config_rs485(struct uart_port *port, +static int sc16is7xx_config_rs485(struct uart_port *port, struct ktermios *termios, struct serial_rs485 *rs485) { struct sc16is7xx_port *s = dev_get_drvdata(port->dev); @@ -1143,7 +1143,6 @@ static int sc16is7xx_config_rs485(struct uart_port *port, return -EINVAL; } - port->rs485 = *rs485; one->config.flags |= SC16IS7XX_RECONF_RS485; kthread_queue_work(&s->kworker, &one->reg_work); @@ -1354,6 +1353,12 @@ static int sc16is7xx_gpio_direction_output(struct gpio_chip *chip, } #endif +static const struct serial_rs485 sc16is7xx_rs485_supported = { + .flags = SER_RS485_ENABLED | SER_RS485_RTS_AFTER_SEND, + .delay_rts_before_send = 1, + .delay_rts_after_send = 1, /* Not supported but keep returning -EINVAL */ +}; + static int sc16is7xx_probe(struct device *dev, const struct sc16is7xx_devtype *devtype, struct regmap *regmap, int irq) @@ -1456,6 +1461,7 @@ static int sc16is7xx_probe(struct device *dev, s->p[i].port.iotype = UPIO_PORT; s->p[i].port.uartclk = freq; s->p[i].port.rs485_config = sc16is7xx_config_rs485; + s->p[i].port.rs485_supported = sc16is7xx_rs485_supported; s->p[i].port.ops = &sc16is7xx_ops; s->p[i].old_mctrl = 0; s->p[i].port.line = sc16is7xx_alloc_line(); |