[PATCH 2 4/9] serial: sc16is7xx: remove redundant check in rs485_config
Lino Sanfilippo
LinoSanfilippo at gmx.de
Thu Feb 17 14:11:14 PST 2022
Hi,
On 17.02.22 at 12:47, Lukas Wunner wrote:
> On Wed, Feb 16, 2022 at 01:17:58AM +0100, Lino Sanfilippo wrote:
>> --- a/drivers/tty/serial/sc16is7xx.c
>> +++ b/drivers/tty/serial/sc16is7xx.c
>> @@ -959,16 +959,6 @@ static int sc16is7xx_config_rs485(struct uart_port *port,
>> struct sc16is7xx_one *one = to_sc16is7xx_one(port, port);
>>
>> if (rs485->flags & SER_RS485_ENABLED) {
>> - bool rts_during_rx, rts_during_tx;
>> -
>> - rts_during_rx = rs485->flags & SER_RS485_RTS_AFTER_SEND;
>> - rts_during_tx = rs485->flags & SER_RS485_RTS_ON_SEND;
>> -
>> - if (rts_during_rx == rts_during_tx)
>> - dev_err(port->dev,
>> - "unsupported RTS signalling on_send:%d after_send:%d - exactly one of RS485 RTS flags should be set\n",
>> - rts_during_tx, rts_during_rx);
>> -
>
> Hm, patch 1 in this series doesn't emit such a message, so unlike now,
> users will no longer be warned that they passed in nonsensical settings...
>
what about logging a warning for both RTS polarity and delay correction?
Regards,
Lino
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