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Differential D48960

gpioaei: Add support for ACPI _EVT method
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Authored by wulf on Feb 12 2025, 9:32 AM.
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imp
loos
vexeduxr

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cperciva
Summary

This method is often used to process GPIO "Power on" button press on
modern x86 laptops with S0ix sleep mode.

Tested with patch from https://reviews.freebsd.org/D26407

Sponsored by: Future Crew LLC
MFC after: 2 month

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rG FreeBSD src repository
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Build Status
Buildable 62388
Build 59272: arc lint + arc unit

Event Timeline

wulf created this revision.Feb 12 2025, 9:32 AM
Herald added subscribers: loos, imp. · View Herald TranscriptFeb 12 2025, 9:32 AM
wulf requested review of this revision.Feb 12 2025, 9:32 AM
Harbormaster completed remote builds in B62388: Diff 150887.Feb 12 2025, 9:33 AM
vexeduxr added a subscriber: vexeduxr.Feb 21 2025, 7:43 PM
vexeduxr added inline comments.
sys/dev/gpio/gpioaei.c
74

I think AcpiEvaluateObject (and by extension acpi_SetInteger) should be called in a sleepable context.
This was already wrong before though.

wulf abandoned this revision.Aug 17 2025, 9:10 PM

Committed as adc2c156acb50bac6e8ec66b72cadc8910ce4975

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sys/
dev/
gpio/
40 lines

Diff 150887

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sys/dev/gpio/gpioaei.c

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