cpu frequency scaling framework · Maintained

Maintainers

• M "Rafael J. Wysocki" <rafael@kernel.org>
• M Viresh Kumar <viresh.kumar@linaro.org>

Paths

• F Documentation/admin-guide/pm/cpufreq.rst
• F Documentation/admin-guide/pm/intel_pstate.rst
• F Documentation/cpu-freq/
• F Documentation/devicetree/bindings/cpufreq/
• F drivers/cpufreq/
• F include/linux/cpufreq.h
• F include/linux/sched/cpufreq.h
• F kernel/sched/cpufreq*.c
• F rust/kernel/cpufreq.rs
• F tools/testing/selftests/cpufreq/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [RFC PATCH] firmware: scmi: Make SCMI arch independent
  2026-07-09 13:28 · 0 replies in 7d · Michal Simek <michal.simek@amd.com>

Active reviewers (last 30 days)

• Hans de Goede <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-06-18

Recent patches

Most-recent 30 patches in this subsystem on linux-clk (capped at 30), ordered by date desc.

• HOTtoday [RFC PATCH] firmware: scmi: Make SCMI arch independent
  2026-07-09 · Michal Simek <michal.simek@amd.com>
• COOLING8d [PATCH v5 1/4] rust: clk: use the type-state pattern
  2026-07-06 · Daniel Almeida <daniel.almeida@collabora.com>
• COOLING5d REVIEWED: 1 (0M) [PATCH v2 1/2] module: add SCMI device table alias support
  2026-06-18 · Bjorn Andersson <hidden>
• COLD16d [PATCH v4 1/3] rust: clk: use the type-state pattern
  2026-06-18 · Daniel Almeida <daniel.almeida@collabora.com>
• STALE79d [RFC PATCH 1/2] kernel/notifier: replace single-linked list with double-linked list for reverse traversal
  2026-04-15 · <hidden>
• STALE166d REVIEWED: 8 (8M) [PATCH v3 11/12] cpufreq: s5pv210: Simplify with scoped for each OF child loop
  2026-01-09 · Krzysztof Kozlowski <hidden>
• STALE152d [PATCH v3 1/3] rust: clk: use the type-state pattern
  2026-01-07 · Daniel Almeida <daniel.almeida@collabora.com>
• STALE187d REVIEWED: 7 (7M) [PATCH v2 10/11] cpufreq: s5pv210: Simplify with scoped for each OF child loop
  2026-01-06 · Krzysztof Kozlowski <hidden>
• STALE185d [PATCH 11/11] cpufreq: s5pv210: Simplify with scoped for each OF child loop
  2026-01-05 · Krzysztof Kozlowski <hidden>
• STALE204d REVIEWED: 39 (39M) [PATCH v2 06/19] rust: cpufreq: replace `kernel::c_str!` with C-Strings
  2025-09-25 · Tamir Duberstein <hidden>
• STALE296d [PATCH v2 2/2] rust: clk: use the type-state pattern
  2025-09-10 · Daniel Almeida <daniel.almeida@collabora.com>
• STALE296d [PATCH 05/37] dt-bindings: cpufreq: apple,cluster-cpufreq: Add t6020 compatible
  2025-08-28 · Janne Grunau <j@jannau.net>
• STALE333d REVIEWED: 32 (32M) [PATCH v2 06/19] rust: cpufreq: replace `kernel::c_str!` with C-Strings
  2025-08-13 · Tamir Duberstein <hidden>
• STALE336d REVIEWED: 8 (7M) [PATCH v7 3/4] cpufreq: qcom-nvmem: Enable cpufreq for ipq5424
  2025-08-11 · Varadarajan Narayanan <hidden>
• STALE337d REVIEWED: 8 (7M) [PATCH v6 3/4] cpufreq: qcom-nvmem: Enable cpufreq for ipq5424
  2025-08-06 · Varadarajan Narayanan <hidden>
• STALE342d REVIEWED: 8 (7M) [PATCH v5 3/4] cpufreq: qcom-nvmem: Enable cpufreq for ipq5424
  2025-08-04 · Varadarajan Narayanan <hidden>
• STALE347d REVIEWED: 1 (0M) [PATCH v4 3/4] cpufreq: qcom-nvmem: Enable cpufreq for ipq5424
  2025-07-30 · Varadarajan Narayanan <hidden>
• STALE349d [PATCH] rust: clk: use the type-state pattern
  2025-07-29 · Daniel Almeida <daniel.almeida@collabora.com>
• STALE355d REVIEWED: 1 (0M) [PATCH v3 3/4] cpufreq: qcom-nvmem: Enable cpufreq for ipq5424
  2025-07-24 · Varadarajan Narayanan <hidden>
• STALE355d REVIEWED: 1 (0M) [PATCH v2 3/4] cpufreq: qcom-nvmem: Enable cpufreq for ipq5424
  2025-07-23 · Varadarajan Narayanan <hidden>
• STALE365d REVIEWED: 1 (0M) [PATCH v2 1/3] drivers: cpufreq: add Tegra114 support
  2025-07-14 · Svyatoslav Ryhel <hidden>
• STALE343d REVIEWED: 30 (30M) [PATCH 06/17] rust: cpufreq: replace `kernel::c_str!` with C-Strings
  2025-07-10 · Tamir Duberstein <hidden>
• STALE374d REVIEWED: 35 (35M) [PATCH v13 5/5] rust: remove core::ffi::CStr reexport
  2025-07-01 · Tamir Duberstein <hidden>
• STALE374d REVIEWED: 30 (30M) [PATCH v13 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-07-01 · Tamir Duberstein <hidden>
• STALE374d REVIEWED: 30 (30M) [PATCH v13 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-07-01 · Tamir Duberstein <hidden>
• STALE378d [PATCH v12 5/5] rust: remove core::ffi::CStr reexport
  2025-06-19 · Tamir Duberstein <hidden>
• STALE378d [PATCH v12 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-06-19 · Tamir Duberstein <hidden>
• STALE378d [PATCH v12 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-06-19 · Tamir Duberstein <hidden>
• STALE345d [PATCH 06/11] cpufreq: apple: drop default ARCH_APPLE in Kconfig
  2025-06-12 · Sven Peter <sven@kernel.org>
• STALE386d LANDED: 2 (2M) [PATCH V2] rust: Use consistent "# Examples" heading style in rustdoc
  2025-06-10 · Viresh Kumar <viresh.kumar@linaro.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• COOLING5d REVIEWED: 1 (0M) [PATCH v2 1/2] module: add SCMI device table alias support
  2026-06-18 · Bjorn Andersson <hidden> · 1 Reviewed-by