[PATCH 25/36] serial: 8250_dwlib: Remove serial_rs485 sanitization

[Ilpo Järvinen]

Serial core handles serial_rs485 sanitization and rs485 struct
assignment. As serial_rs485 is already clear for the non-RS485 case by
serial core, there no need to clear flags in the driver.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
 drivers/tty/serial/8250/8250_dwlib.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_dwlib.c b/drivers/tty/serial/8250/8250_dwlib.c
index 120b29519d74..c83e7eaf3877 100644
--- a/drivers/tty/serial/8250/8250_dwlib.c
+++ b/drivers/tty/serial/8250/8250_dwlib.c
@@ -93,9 +93,6 @@ static int dw8250_rs485_config(struct uart_port *p, struct serial_rs485 *rs485)
 	tcr &= ~DW_UART_TCR_XFER_MODE;
 
 	if (rs485->flags & SER_RS485_ENABLED) {
-		/* Clear unsupported flags. */
-		rs485->flags &= SER_RS485_ENABLED | SER_RS485_RX_DURING_TX |
-				SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND;
 		tcr |= DW_UART_TCR_RS485_EN;
 
 		if (rs485->flags & SER_RS485_RX_DURING_TX) {
@@ -111,8 +108,6 @@ static int dw8250_rs485_config(struct uart_port *p, struct serial_rs485 *rs485)
 		dw8250_writel_ext(p, DW_UART_DE_EN, 1);
 		dw8250_writel_ext(p, DW_UART_RE_EN, 1);
 	} else {
-		rs485->flags = 0;
-
 		tcr &= ~DW_UART_TCR_RS485_EN;
 	}
 
@@ -127,11 +122,6 @@ static int dw8250_rs485_config(struct uart_port *p, struct serial_rs485 *rs485)
 
 	dw8250_writel_ext(p, DW_UART_TCR, tcr);
 
-	rs485->delay_rts_before_send = 0;
-	rs485->delay_rts_after_send = 0;
-
-	p->rs485 = *rs485;
-
 	return 0;
 }
 
-- 
2.30.2