If "linux,rs485-enabled-at-boot-time" is specified need to setup 485
in probe function.
Call uart_get_rs485_mode() to get rs485 configuration, then call
rs485_config() callback directly to setup port as rs485.
Signed-off-by: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_dw.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 45366e6e5411..0f8b4da03d4e 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -582,8 +582,11 @@ static int dw8250_probe(struct platform_device *pdev)
if (data->uart_16550_compatible)
p->handle_irq = NULL;
- if (!data->skip_autocfg)
+ if (!data->skip_autocfg) {
dw8250_setup_port(p);
+ uart_get_rs485_mode(dev, &p->rs485);
+ dw8250_rs485_config(p, &p->rs485);
+ }
/* If we have a valid fifosize, try hooking up DMA */
if (p->fifosize) {
--
2.17.0
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