[PATCH v4 10/10] tty: serial: use uart_port_tx_limited()

Jiri Slaby jirislaby at kernel.org
Tue Sep 20 03:58:04 PDT 2022


On 20. 09. 22, 11:19, Ilpo Järvinen wrote:
> One improvement suggestion below.
> 
>> diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
>> index 23f339757894..f224f5141726 100644
>> --- a/drivers/tty/serial/altera_jtaguart.c
>> +++ b/drivers/tty/serial/altera_jtaguart.c
>> @@ -137,39 +137,17 @@ static void altera_jtaguart_rx_chars(struct altera_jtaguart *pp)
>>   static void altera_jtaguart_tx_chars(struct altera_jtaguart *pp)
...
>> +	space = readl(port->membase + ALTERA_JTAGUART_CONTROL_REG);
>> +	space &= ALTERA_JTAGUART_CONTROL_WSPACE_MSK;
>> +	space >>= ALTERA_JTAGUART_CONTROL_WSPACE_OFF;
> 
> This is FIELD_GET(ALTERA_JTAGUART_CONTROL_WSPACE_MSK, ...) & then allows
> killing ALTERA_JTAGUART_CONTROL_WSPACE_OFF. I'd probably do it in a
> separate patch though.

Right. Prepared for v5.

thanks,
-- 
js
suse labs




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