On 27/06/2017 09:41, Nicolas Ferre wrote:
> On 26/06/2017 at 11:07, Uwe Kleine-König wrote:
>> From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
>>
>> We just got a common helper for parsing the rs485 specific
>> device tree properties. Use it and drop the open coded parser.
>>
>> Note that there is a small difference between the removed and the now
>> used implementation: The former cleared flags to 0 if rs485-rts-delay
>> was given, the common helper clears SER_RS485_RX_DURING_TX and
>> SER_RS485_ENABLED only but always which makes more sense.
>
> Sure:
> Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
>
> Thanks Sasha and Uwe!
>
Acked-by: Richard Genoud <richard.genoud@xxxxxxxxx>
Thanks !
>> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
>> [ukleinek: point out semantic change in commit log]
>> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
>> ---
>> drivers/tty/serial/atmel_serial.c | 25 +------------------------
>> 1 file changed, 1 insertion(+), 24 deletions(-)
>>
>> diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
>> index 937d67f22fba..245d9c227ad5 100644
>> --- a/drivers/tty/serial/atmel_serial.c
>> +++ b/drivers/tty/serial/atmel_serial.c
>> @@ -1684,29 +1684,6 @@ static void atmel_init_property(struct atmel_uart_port *atmel_port,
>> }
>> }
>>
>> -static void atmel_init_rs485(struct uart_port *port,
>> - struct platform_device *pdev)
>> -{
>> - struct device_node *np = pdev->dev.of_node;
>> -
>> - struct serial_rs485 *rs485conf = &port->rs485;
>> - u32 rs485_delay[2];
>> -
>> - /* rs485 properties */
>> - if (of_property_read_u32_array(np, "rs485-rts-delay",
>> - rs485_delay, 2) == 0) {
>> - rs485conf->delay_rts_before_send = rs485_delay[0];
>> - rs485conf->delay_rts_after_send = rs485_delay[1];
>> - rs485conf->flags = 0;
>> - }
>> -
>> - if (of_get_property(np, "rs485-rx-during-tx", NULL))
>> - rs485conf->flags |= SER_RS485_RX_DURING_TX;
>> -
>> - if (of_get_property(np, "linux,rs485-enabled-at-boot-time", NULL))
>> - rs485conf->flags |= SER_RS485_ENABLED;
>> -}
>> -
>> static void atmel_set_ops(struct uart_port *port)
>> {
>> struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
>> @@ -2390,7 +2367,7 @@ static int atmel_init_port(struct atmel_uart_port *atmel_port,
>> atmel_init_property(atmel_port, pdev);
>> atmel_set_ops(port);
>>
>> - atmel_init_rs485(port, pdev);
>> + of_get_rs485_mode(pdev->dev.of_node, &port->rs485);
>>
>> port->iotype = UPIO_MEM;
>> port->flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP;
>>
>
>
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