linux-kernel - [PATCH v1 1/2] driver core: faux: Set power.no

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Message-ID: <6206518.lOV4Wx5bFT@rafael.j.wysocki>
Date: Thu, 28 Aug 2025 12:56:41 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Linux PM <linux-pm@...r.kernel.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 LKML <linux-kernel@...r.kernel.org>, Sudeep Holla <sudeep.holla@....com>,
 Danilo Krummrich <dakr@...nel.org>
Subject: [PATCH v1 1/2] driver core: faux: Set power.no_pm for faux devices

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

Since faux devices are not supposed to be involved in any kind of
power management, set the no_pm flag for all of them.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/base/faux.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/base/faux.c
+++ b/drivers/base/faux.c
@@ -155,6 +155,7 @@
 		dev->parent = &faux_bus_root;
 	dev->bus = &faux_bus_type;
 	dev_set_name(dev, "%s", name);
+	device_set_pm_not_required(dev);

 	ret = device_add(dev);
 	if (ret) {