linux-kernel - [PATCH 1/2] PM: runtime: Define pm_runtime

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Message-ID: <20250422230534.2295291-2-alex.williamson@redhat.com>
Date: Tue, 22 Apr 2025 17:05:31 -0600
From: Alex Williamson <alex.williamson@...hat.com>
To: bhelgaas@...gle.com,
	rafael@...nel.org
Cc: Alex Williamson <alex.williamson@...hat.com>,
	linux-pci@...r.kernel.org,
	linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] PM: runtime: Define pm_runtime_put cleanup helper

Define a cleanup helper for use with __free to automatically drop the
device usage count when out of scope.

Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
---
 include/linux/pm_runtime.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 7fb5a459847e..69d4b2929ee6 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -466,6 +466,8 @@ static inline int pm_runtime_put(struct device *dev)
 	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.
-- 
2.48.1