Merge tag 'pm-6.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These revert an x86 commit that introduced a nasty power regression on
  some systems, fix PSCI cpuidle driver and ACPI cpufreq driver
  regressions, add Rust abstractions for cpufreq, OPP, clk, and
  cpumasks, add a Rust-based cpufreq-dt driver, and do a minor SCMI
  cpufreq driver cleanup:

   - Revert an x86 commit that went into 6.15 and caused idle power,
     including power in suspend-to-idle, to rise rather dramatically on
     systems booting with "nosmt" in the kernel command line (Rafael
     Wysocki)

   - Prevent freeing an uninitialized pointer in error path of
     dt_idle_state_present() in the PSCI cpuidle driver (Dan Carpenter)

   - Use KHz as the nominal_freq units in get_max_boost_ratio() in the
     ACPI cpufreq driver (iGautham Shenoy)

   - Add Rust abstractions for CPUFreq framework (Viresh Kumar)

   - Add Rust abstractions for OPP framework (Viresh Kumar)

   - Add basic Rust abstractions for Clk and Cpumask frameworks (Viresh
     Kumar)

   - Clean up the SCMI cpufreq driver somewhat (Mike Tipton)"

* tag 'pm-6.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (21 commits)
  Revert "x86/smp: Eliminate mwait_play_dead_cpuid_hint()"
  acpi-cpufreq: Fix nominal_freq units to KHz in get_max_boost_ratio()
  rust: opp: Move `cfg(CONFIG_OF)` attribute to the top of doc test
  cpuidle: psci: Fix uninitialized variable in dt_idle_state_present()
  rust: opp: Make the doctest example depend on CONFIG_OF
  cpufreq: scmi: Skip SCMI devices that aren't used by the CPUs
  cpufreq: Add Rust-based cpufreq-dt driver
  rust: opp: Extend OPP abstractions with cpufreq support
  rust: cpufreq: Extend abstractions for driver registration
  rust: cpufreq: Extend abstractions for policy and driver ops
  rust: cpufreq: Add initial abstractions for cpufreq framework
  rust: opp: Add abstractions for the configuration options
  rust: opp: Add abstractions for the OPP table
  rust: opp: Add initial abstractions for OPP framework
  rust: cpu: Add from_cpu()
  rust: macros: enable use of hyphens in module names
  rust: clk: Add initial abstractions
  rust: clk: Add helpers for Rust code
  MAINTAINERS: Add entry for Rust cpumask API
  rust: cpumask: Add initial abstractions
  ...

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