Messages in this thread | | | Date | Wed, 22 Nov 2023 17:58:07 +0100 | Subject | Re: [PATCH v2 0/4] Extend time to wait for UIP for some callers | From | Mateusz Jończyk <> |
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W dniu 20.11.2023 o 15:15, Mario Limonciello pisze: > A number of users have reported their system will have a failure reading > the RTC around s2idle entry or exit. > > This failure manifests as UIP clear taking longer than 10ms. > > By a debugging patch provided by Mateusz Jończyk it is shown that this > has taken upwards of 300ms in some cases. > > This series adjusts the UIP timeout to be configurable by the caller and > changes some callers which aren't called in an interrupt context to allow > longer timeouts. > > Mario Limonciello (4): > rtc: mc146818-lib: Adjust failure return code for mc146818_get_time() > rtc: Adjust failure return code for cmos_set_alarm() > rtc: Add support for configuring the UIP timeout for RTC reads > rtc: Extend timeout for waiting for UIP to clear to 1s
Series tested on top of Linux 6.1.63, 6.6.2 and 6.7-rc2 (on a laptop that is not affected by the problems). No problems found, can be submitted to stable.
Tested-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Patches 1 and 2:
Reviewed-by: Mateusz Jończyk <mat.jonczyk@o2.pl> Acked-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Greetings,
Mateusz
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