linuxkpi: Add `to_acpi_device_node()` and `ACPI_COMPANION()`
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Authored by dumbbell on Jun 14 2026, 9:19 AM.

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emaste

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linuxkpi

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rG6d5f5f730a42: linuxkpi: Add `to_acpi_device_node()` and `ACPI_COMPANION()`

Summary

The former is called by the latter. We return NULL because linuxkpi does not implement ACPI (pseudo?) devices associated to regular devices.

The amdgpu DRM driver started to use ACPI_COMPANION() in Linux 6.13.

This is part of the update of DRM drivers to Linux 6.13.

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Event Timeline

dumbbell created this revision.Jun 14 2026, 9:19 AM

Herald added subscribers: emaste, imp. · View Herald TranscriptJun 14 2026, 9:19 AM

dumbbell requested review of this revision.Jun 14 2026, 9:19 AM

dumbbell added a child revision: D57578: sys: Add `isgraph()` to <sys/ctype.h>.Jun 14 2026, 9:31 AM

dumbbell added a parent revision: D57576: linuxkpi: Add `acpi_video_get_edid()`.

emaste accepted this revision.Wed, Jul 8, 1:27 PM

This revision is now accepted and ready to land.Wed, Jul 8, 1:27 PM

Closed by commit rG6d5f5f730a42: linuxkpi: Add `to_acpi_device_node()` and `ACPI_COMPANION()` (authored by dumbbell). · Explain WhyThu, Jul 9, 6:34 PM

This revision was automatically updated to reflect the committed changes.

dumbbell added a commit: rG6d5f5f730a42: linuxkpi: Add `to_acpi_device_node()` and `ACPI_COMPANION()`.

Revision Contents
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Size

sys/

compat/

linuxkpi/

common/

include/

linux/

acpi.h

8 lines

Diff 179721

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sys/compat/linuxkpi/common/include/linux/acpi.h

linuxkpi: Add `to_acpi_device_node()` and `ACPI_COMPANION()`ClosedPublicActions