linux-kernel - [PATCH v4 3/3] PM: runtime: Drop DEFINE_FREE() for pm_runtime

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Message-ID: <7855547.EvYhyI6sBW@rafael.j.wysocki>
Date: Fri, 26 Sep 2025 18:26:40 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Linux PM <linux-pm@...r.kernel.org>,
 Jonathan Cameron <jonathan.cameron@...wei.com>
Cc: Takashi Iwai <tiwai@...e.de>, LKML <linux-kernel@...r.kernel.org>,
 Linux PCI <linux-pci@...r.kernel.org>,
 Alex Williamson <alex.williamson@...hat.com>,
 Bjorn Helgaas <helgaas@...nel.org>, Zhang Qilong <zhangqilong3@...wei.com>,
 Ulf Hansson <ulf.hansson@...aro.org>, Frank Li <Frank.Li@....com>,
 Dhruva Gole <d-gole@...com>
Subject: [PATCH v4 3/3] PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

The DEFINE_FREE() for pm_runtime_put has been superseded by recently
introduced runtime PM auto-cleanup macros and its only user has been
converted to using one of the new macros, so drop it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Reviewed-by: Dhruva Gole <d-gole@...com>
---

v3 -> v4: Pick up R-by from Dhruva

v1 -> v3: No changes

---
 include/linux/pm_runtime.h |    2 --
 rust/kernel/cpufreq.rs     |    3 ++-
 2 files changed, 2 insertions(+), 3 deletions(-)

--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -561,8 +561,6 @@ static inline int pm_runtime_put(struct
 	return __pm_runtime_idle(dev, RPM_GET_PUT | RPM_ASYNC);
 }

-DEFINE_FREE(pm_runtime_put, struct device *, if (_T) pm_runtime_put(_T))
-
 /**
  * __pm_runtime_put_autosuspend - Drop device usage counter and queue autosuspend if 0.
  * @dev: Target device.
--- a/rust/kernel/cpufreq.rs
+++ b/rust/kernel/cpufreq.rs
@@ -39,7 +39,8 @@ use macros::vtable;
 const CPUFREQ_NAME_LEN: usize = bindings::CPUFREQ_NAME_LEN as usize;

 /// Default transition latency value in nanoseconds.
-pub const ETERNAL_LATENCY_NS: u32 = bindings::CPUFREQ_ETERNAL as u32;
+pub const DEFAULT_TRANSITION_LATENCY_NS: u32 =
+    bindings::CPUFREQ_DEFAULT_TRANSITION_LATENCY_NS as u32;

 /// CPU frequency driver flags.
 pub mod flags {