NAK [OEM-5.14] Re: [PATCH 0/1][SRU][J/I/OEM-5.14] Fix wakeup interrupts handling
Timo Aaltonen
tjaalton at ubuntu.com
Thu Feb 24 09:03:49 UTC 2022
You-Sheng Yang kirjoitti 24.2.2022 klo 9.02:
> BugLink: https://bugs.launchpad.net/bugs/1961739
>
> [Impact]
>
> On some platforms, PS/2 keyboard cannot wake system up from s2idle.
>
> [Fix]
>
> Mainline commit cb1f65c1e142 ("PM: s2idle: ACPI: Fix wakeup interrupts
> handling") picks up the missed wakeup interrupt.
>
> [Test Case]
>
> Use button press on PS/2 keyboard to wake suspended system.
>
> [Where problems could occur]
>
> It may still discard irqs under some very rare corner cases that are not
> yet identified, but the implementation can be extended easily when
> necessary.
>
> [Other Info]
>
> This affects 5.4+ kernels and has been proposed for linux-stable. While
> this is merged in v5.17-rc4, linux-unstable will have this soon so
> nomination is skipped.
>
> Rafael J. Wysocki (1):
> PM: s2idle: ACPI: Fix wakeup interrupts handling
>
> drivers/acpi/sleep.c | 1 +
> drivers/base/power/wakeup.c | 41 ++++++++++++++++++++++++++++++-------
> include/linux/suspend.h | 4 ++--
> kernel/power/main.c | 5 ++++-
> kernel/power/process.c | 2 +-
> kernel/power/suspend.c | 2 --
> 6 files changed, 42 insertions(+), 13 deletions(-)
>
this got applied via stable backports, likely for other kernels too
--
t
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