Differential D54693

modules: factor out LinuxKPI based wireless drivers and add RISC-V
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Authored by bz on Jan 13 2026, 9:17 PM.

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rG7990fa2a819c: modules: factor out LinuxKPI based wireless drivers and add RISC-V
rG4162a419a475: modules: factor out LinuxKPI based wireless drivers and add RISC-V

Summary

The LinuxKPI based wireless drivers are currently limited to amd64 and
arm64 (and until cleaned up i386). Adding RISC-V now as we have a
report that iwlwifi(4) works on RISC-V [1]. Factor the LinuxKPI based
wireless drivers out into their own block.

Given RISC-V has no ACPI support yet (though we fixed #includes in
order to keep compiling the drivers without further modifications
where possible) we need to take care of rtw89 which fails to compile
without ACPI enabled. A quick check at the Linux build files indicates
that the depenency is not correctly recorded there either. Disable
compiling rtw89 without ACPI (on RISC-V) for the moment until this is
fixed.

[1] https://mail-archive.freebsd.org/cgi/getmsg.cgi?fetch=5947+0+archive/2026/freebsd-wireless/20260112.freebsd-wireless

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 69861
Build 66744: arc lint + arc unit

Event Timeline

bz requested review of this revision.Jan 13 2026, 9:17 PM

bz created this revision.

Harbormaster completed remote builds in B69861: Diff 169576.Jan 14 2026, 12:50 AM

bz added a child revision: D54694: iwlwifi/rtw89: improve module Makefile dependency on ACPI.Jan 14 2026, 6:39 AM

bz added a parent revision: D54692: LinuxKPI: include acpi headers for RISC-V.

emaste accepted this revision.Jan 14 2026, 4:10 PM

This revision is now accepted and ready to land.Jan 14 2026, 4:10 PM

Closed by commit rG4162a419a475: modules: factor out LinuxKPI based wireless drivers and add RISC-V (authored by bz). · Explain WhyJan 14 2026, 6:10 PM

This revision was automatically updated to reflect the committed changes.

bz added a commit: rG4162a419a475: modules: factor out LinuxKPI based wireless drivers and add RISC-V.

bz added a commit: rG7990fa2a819c: modules: factor out LinuxKPI based wireless drivers and add RISC-V.Jan 17 2026, 1:10 PM

Revision Contents
Changeset List

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sys/

modules/

14 lines

Diff 169576

sys/modules/Makefile

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