diff mbox series

[v2,9/9] serial: 8250: lpc18xx: Remove redundant sanity check for RS485 flags

Message ID 20220703170039.2058202-10-LinoSanfilippo@gmx.de
State Superseded
Headers show
Series [v2,1/9] serial: core: only get RS485 termination GPIO if supported | expand

Commit Message

Lino Sanfilippo July 3, 2022, 5 p.m. UTC 
From: Lino Sanfilippo <l.sanfilippo@kunbus.com>

Before the drivers rs485_config() function is called the serial core
already ensures that only one of both options RTS on send or RTS after send
is set. So remove the concerning sanity check in the driver function to
avoid redundancy.

Signed-off-by: Lino Sanfilippo <l.sanfilippo@kunbus.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 drivers/tty/serial/8250/8250_lpc18xx.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/tty/serial/8250/8250_lpc18xx.c b/drivers/tty/serial/8250/8250_lpc18xx.c
index d7cb3bb52069..fba0bb17e536 100644
--- a/drivers/tty/serial/8250/8250_lpc18xx.c
+++ b/drivers/tty/serial/8250/8250_lpc18xx.c
@@ -44,12 +44,8 @@  static int lpc18xx_rs485_config(struct uart_port *port, struct ktermios *termios
 		rs485_ctrl_reg |= LPC18XX_UART_RS485CTRL_NMMEN |
 				  LPC18XX_UART_RS485CTRL_DCTRL;
 
-		if (rs485->flags & SER_RS485_RTS_ON_SEND) {
+		if (rs485->flags & SER_RS485_RTS_ON_SEND)
 			rs485_ctrl_reg |= LPC18XX_UART_RS485CTRL_OINV;
-			rs485->flags &= ~SER_RS485_RTS_AFTER_SEND;
-		} else {
-			rs485->flags |= SER_RS485_RTS_AFTER_SEND;
-		}
 	}
 
 	if (rs485->delay_rts_after_send) {