[WIP] LinuxKPI: add missing bus_dmamap_sync() calls
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Authored by bz on May 22 2024, 3:22 AM.

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Reviewers: None

Summary

Add missing bus_dmamap_sync() calls to linux_dma_unmap() depending
on direction. This already allows me to laod firmware on arm64 for
iwlwifi (again).

Upon inspection I found that some more places are missing calls into
synchronization so marked them with pr_debug("TODO") calls for now.

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

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Repository

rG FreeBSD src repository

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No Test Coverage

Build Status

Buildable 57834
Build 54722: arc lint + arc unit

Event Timeline

bz created this revision.May 22 2024, 3:22 AM

Herald added subscribers: emaste, imp. · View Herald TranscriptMay 22 2024, 3:22 AM

bz requested review of this revision.May 22 2024, 3:22 AM

Harbormaster completed remote builds in B57834: Diff 138881.May 22 2024, 3:22 AM

I'll try to deal with the "pr_debug" marked instances the next days.

Revision Contents
Changeset List

Path

Size

sys/

compat/

linuxkpi/

common/

include/

linux/

dma-mapping.h

25 lines

src/

linux_pci.c

22 lines

Diff 138881

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sys/compat/linuxkpi/common/include/linux/dma-mapping.h