Add information on supported serial_rs485 features.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_lpc18xx.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/tty/serial/8250/8250_lpc18xx.c b/drivers/tty/serial/8250/8250_lpc18xx.c
index 570e25d6f37e..66ce5d05fe9c 100644
--- a/drivers/tty/serial/8250/8250_lpc18xx.c
+++ b/drivers/tty/serial/8250/8250_lpc18xx.c
@@ -98,6 +98,12 @@ static void lpc18xx_uart_serial_out(struct uart_port *p, int offset, int value)
writel(value, p->membase + offset);
}
+static const struct serial_rs485 lpc18xx_rs485_supported = {
+ .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND,
+ .delay_rts_after_send = 1,
+ /* Delay RTS before send is not supported */
+};
+
static int lpc18xx_serial_probe(struct platform_device *pdev)
{
struct lpc18xx_uart_data *data;
@@ -168,6 +174,7 @@ static int lpc18xx_serial_probe(struct platform_device *pdev)
uart.port.uartclk = clk_get_rate(data->clk_uart);
uart.port.private_data = data;
uart.port.rs485_config = lpc18xx_rs485_config;
+ uart.port.rs485_supported = &lpc18xx_rs485_supported;
uart.port.serial_out = lpc18xx_uart_serial_out;
uart.dma = &data->dma;
--
2.30.2
