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Message-ID: <CAJZ5v0i7H832neTnZtHwHBD0gwQSJ_8Tyxc49K2NoO5n4=1eKQ@mail.gmail.com>
Date: Tue, 7 Oct 2025 13:30:06 +0200
From: Rafał Wysocki <rjwysocki@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Linux PM <linux-pm@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
ACPI Devel Maling List <linux-acpi@...r.kernel.org>, Linux PCI <linux-pci@...r.kernel.org>,
Viresh Kumar <viresh.kumar@...aro.org>
Subject: [GIT PULL] More power management updates for v6.18-rc1
Hi Linus,
Please pull from the tag
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
pm-6.18-rc1-2
with top-most commit 53d4d315d4f7f17882ef11db49b06ca6b0be8ff7
Merge branch 'pm-cpufreq'
on top of commit 991053178e08fb4d1f80398367db05c2cc4f20b4
Merge tag 'pm-6.18-rc1' of
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
to receive more power management updates for 6.18-rc1.
These are cpufreq fixes and cleanups on top of the material merged
previously, a power management core code fix and updates of the
runtime PM framework including unit tests, documentation updates and
introduction of auto-cleanup macros for runtime PM "resume and get"
and "get without resuming" operations.
Specifics:
- Make cpufreq drivers setting the default CPU transition latency to
CPUFREQ_ETERNAL specify a proper default transition latency value
instead which addresses a regression introduced during the 6.6 cycle
that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)
- Make the cpufreq CPPC driver use a proper transition delay value
when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency() to
indicate an error condition (Rafael Wysocki)
- Make cppc_get_transition_latency() return a negative error code to
indicate error conditions instead of using CPUFREQ_ETERNAL for this
purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
Wysocki, Gopi Krishna Menon)
- Fix device leak in the mediatek cpufreq driver (Johan Hovold)
- Set target frequency on all CPUs sharing a policy during frequency
updates in the tegra186 cpufreq driver and make it initialize all
cores to max frequencies (Aaron Kling)
- Rust cpufreq helper cleanup (Thorsten Blum)
- Make pm_runtime_put*() family of functions return 1 when the
given device is already suspended which is consistent with the
documentation (Brian Norris)
- Add basic kunit tests for runtime PM API contracts and update return
values in kerneldoc comments for the runtime PM API (Brian Norris,
Dan Carpenter)
- Add auto-cleanup macros for runtime PM "resume and get" and "get
without resume" operations, use one of them in the PCI core and
drop the existing "free" macro introduced for similar purpose, but
somewhat cumbersome to use (Rafael Wysocki)
- Make the core power management code avoid waiting on device links
marked as SYNC_STATE_ONLY which is consistent with the handling of
those device links elsewhere (Pin-yen Lin)
Thanks!
---------------
Aaron Kling (2):
cpufreq: tegra186: Set target frequency for all cpus in policy
cpufreq: tegra186: Initialize all cores to max frequencies
Brian Norris (3):
PM: runtime: Add basic kunit tests for API contracts
PM: runtime: Make put{,_sync}() return 1 when already suspended
PM: runtime: Update kerneldoc return codes
Dan Carpenter (1):
PM: runtime: Fix error checking for kunit_device_register()
Gopi Krishna Menon (2):
docs/zh_TW: Fix malformed table
docs/zh_CN: Fix malformed table
Johan Hovold (1):
cpufreq: mediatek: fix device leak on probe failure
Pin-yen Lin (1):
PM: sleep: Do not wait on SYNC_STATE_ONLY device links
Rafael J. Wysocki (8):
PM: runtime: Add auto-cleanup macros for "resume and get" operations
PCI/sysfs: Use runtime PM guard macro for auto-cleanup
PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()
cpufreq: Make drivers using CPUFREQ_ETERNAL specify transition latency
cpufreq: CPPC: Avoid using CPUFREQ_ETERNAL as transition delay
ACPI: CPPC: Do not use CPUFREQ_ETERNAL as an error value
cpufreq: Drop unused symbol CPUFREQ_ETERNAL
PM: runtime: Introduce one more usage counter guard
Thorsten Blum (1):
rust: cpufreq: streamline find_supply_names
---------------
Documentation/admin-guide/pm/cpufreq.rst | 4 -
Documentation/cpu-freq/cpu-drivers.rst | 3 +-
.../translations/zh_CN/cpu-freq/cpu-drivers.rst | 3 +-
.../translations/zh_TW/cpu-freq/cpu-drivers.rst | 3 +-
drivers/acpi/cppc_acpi.c | 16 +-
drivers/base/Kconfig | 6 +
drivers/base/base.h | 1 +
drivers/base/core.c | 2 +-
drivers/base/power/Makefile | 1 +
drivers/base/power/main.c | 6 +-
drivers/base/power/runtime-test.c | 253 +++++++++++++++++++++
drivers/base/power/runtime.c | 5 +
drivers/cpufreq/amd-pstate.c | 8 +-
drivers/cpufreq/cppc_cpufreq.c | 14 +-
drivers/cpufreq/cpufreq-dt.c | 2 +-
drivers/cpufreq/imx6q-cpufreq.c | 2 +-
drivers/cpufreq/mediatek-cpufreq-hw.c | 2 +-
drivers/cpufreq/mediatek-cpufreq.c | 14 +-
drivers/cpufreq/rcpufreq_dt.rs | 12 +-
drivers/cpufreq/scmi-cpufreq.c | 2 +-
drivers/cpufreq/scpi-cpufreq.c | 2 +-
drivers/cpufreq/spear-cpufreq.c | 2 +-
drivers/cpufreq/tegra186-cpufreq.c | 35 ++-
drivers/pci/pci-sysfs.c | 5 +-
include/acpi/cppc_acpi.h | 6 +-
include/linux/cpufreq.h | 6 +-
include/linux/pm_runtime.h | 105 ++++++---
rust/kernel/cpufreq.rs | 7 +-
28 files changed, 426 insertions(+), 101 deletions(-)
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