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
