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Differential D48956

ig4_iic: Allow sleeping if called from iichid interrupt handler.
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Authored by wulf on Feb 12 2025, 6:56 AM.
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imp
mav
Commits
rGc58c931e2004: ig4_iic: Allow sleeping if called from iichid interrupt handler.
rGc7225a3ede3c: ig4_iic: Allow sleeping if called from iichid interrupt handler.
Summary

This replaces 50 ms busy loop with mtx_sleep for the same duration thus
saving CPU time when iichid is driven with interrupts.

Sponsored by: Future Crew, LLC
MFC after: 2 month

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rG FreeBSD src repository
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Event Timeline

wulf requested review of this revision.Feb 12 2025, 6:56 AM
wulf created this revision.
Harbormaster completed remote builds in B62384: Diff 150883.Feb 12 2025, 6:56 AM
This revision was not accepted when it landed; it landed in state Needs Review.Mar 7 2025, 6:28 AM
Closed by commit rGc7225a3ede3c: ig4_iic: Allow sleeping if called from iichid interrupt handler. (authored by wulf). · Explain Why
This revision was automatically updated to reflect the committed changes.
wulf added a commit: rGc7225a3ede3c: ig4_iic: Allow sleeping if called from iichid interrupt handler..
wulf added a commit: rGc58c931e2004: ig4_iic: Allow sleeping if called from iichid interrupt handler..May 15 2025, 6:18 PM

Revision Contents
Changeset List

PathSize
sys/
dev/
ichiic/
5 lines
1 line
iicbus/
3 lines

Diff 151996

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sys/dev/ichiic/ig4_iic.c

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sys/dev/ichiic/ig4_var.h

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sys/dev/iicbus/iichid.c

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