diff mbox series

[15/36] serial: fsl_lpuart: Fill in rs485_supported

Message ID 20220606100433.13793-16-ilpo.jarvinen@linux.intel.com
State New
Headers show
Series RS485 serial_rs485 sanitization | expand

Commit Message

Ilpo Järvinen June 6, 2022, 10:04 a.m. UTC 
Add information on supported serial_rs485 features.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 drivers/tty/serial/fsl_lpuart.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 509a7912fa9d..88692dc9eefa 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -2621,6 +2621,11 @@  static struct uart_driver lpuart_reg = {
 	.cons		= LPUART_CONSOLE,
 };
 
+static const struct serial_rs485 lpuart_rs485_supported = {
+	.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND,
+	/* delay_rts_* and RX_DURING_TX are not supported */
+};
+
 static int lpuart_probe(struct platform_device *pdev)
 {
 	const struct lpuart_soc_data *sdata = of_device_get_match_data(&pdev->dev);
@@ -2660,6 +2665,7 @@  static int lpuart_probe(struct platform_device *pdev)
 		sport->port.rs485_config = lpuart32_config_rs485;
 	else
 		sport->port.rs485_config = lpuart_config_rs485;
+	sport->port.rs485_supported = &lpuart_rs485_supported;
 
 	sport->ipg_clk = devm_clk_get(&pdev->dev, "ipg");
 	if (IS_ERR(sport->ipg_clk)) {