linux-kernel - [PATCH 01/11] PM: EM: Add ENERGY_MODEL

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Message-ID: <20250529001315.233492-2-changwoo@igalia.com>
Date: Thu, 29 May 2025 09:13:05 +0900
From: Changwoo Min <changwoo@...lia.com>
To: lukasz.luba@....com,
	rafael@...nel.org,
	len.brown@...el.com,
	pavel@...nel.org
Cc: christian.loehle@....com,
	tj@...nel.org,
	kernel-dev@...lia.com,
	linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Changwoo Min <changwoo@...lia.com>
Subject: [PATCH 01/11] PM: EM: Add ENERGY_MODEL_NETLINK Kconfig.

Define a Kconfig, ENERGY_MODEL_NETLINK. That enables the netlink interface,
which allows a userspace program to read the energy model and receive
multicast events upon changes to the energy model.

Signed-off-by: Changwoo Min <changwoo@...lia.com>
---
 kernel/power/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 54a623680019..b45933370b4e 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -390,3 +390,13 @@ config ENERGY_MODEL
 	  The exact usage of the energy model is subsystem-dependent.
 
 	  If in doubt, say N.
+
+if ENERGY_MODEL
+
+config ENERGY_MODEL_NETLINK
+	bool "Energy Model netlink management"
+	depends on NET
+	help
+	  The energy model framework has a netlink interface to notify the
+	  changes in the energy model. It is recommended to enable the feature.
+endif
-- 
2.49.0