Re: [PATCH v5 0/9] rtc-cmos,rtc-mc146818-lib: fixes

Mateusz Jończyk
2022-01-07T13:15:04Z

W dniu 07.01.2022 o 14:03, Alexandre Belloni pisze:
> Hi,
>
> On 07/01/2022 13:49:25+0100, Mateusz Jończyk wrote:
[snip]
>> v5: Increase maximum accepted duration of the UIP high pulse from 10 to 20ms,
>> in case there are some very slow chips out there.
>>
>> Note: this may cause problems with hpet_rtc_interrupt() if the CMOS
>> RTC stops working while the system is running and RTC update
>> interrupt / RTC alarm interrupt is enabled (which should be rare).
>> In this case, hpet_rtc_interrupt() is executed 64 times per second
>> and takes up to 20ms to complete - which may constantly occupy
>> one CPU. I am not sure if this is likely enough to implement
>> special handling of this case in hpet_rtc_interrupt().
>>
> Because v4 has been applied,

Nice, thank you! I didn't know about this.

> you'd have to send a series against rtc-next.

OK

Greetings,

Mateusz