Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5dfbd1d7 authored by Claudio Scordino's avatar Claudio Scordino Committed by Linus Torvalds
Browse files

atmel_serial: fix RTS high after initialization in RS485 mode 



When working in RS485 mode, the atmel_serial driver keeps RTS high after
the initialization of the serial port.  It goes low only after the first
character has been sent.

[akpm@linux-foundation.org: simplify code]
Signed-off-by: default avatarClaudio Scordino <claudio@evidence.eu.com>
Signed-off-by: default avatarArkadiusz Bubala <arkadiusz.bubala@gmail.com>
Tested-by: default avatarArkadiusz Bubala <arkadiusz.bubala@gmail.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 6c9ae009

drivers/serial/atmel_serial.c

+5 −0
Original line number Diff line number Diff line
@@ -1732,6 +1732,11 @@ static int __devinit atmel_serial_probe(struct platform_device *pdev) 
	device_init_wakeup(&pdev->dev, 1);

	platform_set_drvdata(pdev, port);



	if (port->rs485.flags & SER_RS485_ENABLED) {

		UART_PUT_MR(&port->uart, ATMEL_US_USMODE_NORMAL);

		UART_PUT_CR(&port->uart, ATMEL_US_RTSEN);

	}



	return 0;



err_add_port: