Thread (6 messages) 6 messages, 3 authors, 2014-10-13

Re: [PATCH] tty/serial_core: Introduce lock mechanism for RS485

From: Nicolas Ferre <hidden>
Date: 2014-10-13 21:48:13
Also in: lkml

On 13/10/2014 21:03, Ricardo Ribalda Delgado :
Hello Nicolas
quoted
I have the feeling that moving the code chunk that uses this new
variable (rs485_enabled) here ...
quoted
      ret = uart_add_one_port(&atmel_uart, &port->uart);
      if (ret)
              goto err_add_port;
@@ -2574,7 +2572,7 @@ static int atmel_serial_probe(struct platform_device *pdev)
      device_init_wakeup(&pdev->dev, 1);
      platform_set_drvdata(pdev, port);

-     if (port->uart.rs485.flags & SER_RS485_ENABLED) {
+     if (rs485_enabled) {
              UART_PUT_MR(&port->uart, ATMEL_US_USMODE_NORMAL);
              UART_PUT_CR(&port->uart, ATMEL_US_RTSEN);
      }
... (this one ^^^) up where you can test the SER_RS485_ENABLED, can be
even simpler.

otherwise, it seems good so you can add my:

Acked-by: Nicolas Ferre <redacted>

Thanks.
I supposed that the code needs to be initialized with rs485 disabled
and then enable it. Also I did not want to change the behaviour a
driver in a patch that involves 3 other drivers. If you don't mind I
prefer that this is added to a separated patch.
Fair enough, I can do it later on.

Thanks, bye,
-- 
Nicolas Ferre
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