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GENPD API improvements

Dmitry Osipenko linux-pm linux-tegra lkml 3 versions – In review

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  1. v5 Latest3 patches 2 repliesIn review
  2. v43 patches 2 repliesSuperseded
  3. v33 patches 11 repliesSuperseded

Patches in v5 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/3PM: domains: Make set_performance_state() callback optionaldrivers/base/power/domain.c+18 -151 reply
2/3PM: domains: Make of_genpd_add_subdomain() to return -EPROBE_DEFERdrivers/base/power/domain.c+1 -10 replies
3/3PM: domains: Add "performance" column to debug summarydrivers/base/power/domain.c+15 -40 replies

Reviews trailers per patch

All 3 patches have a Reviewed-by or Acked-by.

PatchPeter GeisNicolas ChauvetMatt MerharUlf HanssonViresh Kumar
1/3T-b T-b T-b R-b R-b
2/3T-b T-b T-b R-b R-b
3/3T-b T-b T-b R-b R-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes. Scroll the table sideways for all 5 reviewers.

Read the v5 thread

Cover letter [PATCH v5 0/3] GENPD API improvements

Hi,

This series is a prerequisite for the power domain driver of NVIDIA Tegra SoCs [1]. It extends the GENPD core with a better support of performance states and eases linking of child/parent PDs for the PD drivers.

[1] https://patchwork.ozlabs.org/project/linux-tegra/list/?series=221130

Changelog:

v5: - Renamed genpd_xlate_performance_state() and its arguments like it
was requested by Ulf Hansson and Viresh Kumar in a v4 review.

- Added r-b from Ulf Hansson to "Make set_performance_state() callback optional" patch.

v4: - Updated the "Make set_performance_state() callback optional" patch.
Now the case where one of intermediate domains doesn't implement the set_performance_state() callback is handled properly, thanks to Viresh and Ulf for catching this drawback and suggesting the fix.

- Added more r-bs from Ulf Hansson and Viresh Kumar.

v3: - Added r-b from Ulf Hansson.

- Added new patch "Make of_genpd_add_subdomain() to return -EPROBE_DEFER", which was suggested by Ulf Hansson.

- Improved "Add "performance" column to debug summary" patch by correcting the formatting of debug output, which had a superfluous whitespace.

Dmitry Osipenko (3):
PM: domains: Make set_performance_state() callback optional
PM: domains: Make of_genpd_add_subdomain() to return -EPROBE_DEFER
PM: domains: Add "performance" column to debug summary

 drivers/base/power/domain.c | 54 +++++++++++++++++++++++--------------
 1 file changed, 34 insertions(+), 20 deletions(-)
Signature · 1 line
2.29.2