linux-kernel - [PATCH 8/8] powercap: arm_scmi: Enable multiple constraints support

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Message-ID: <20250813114609.1305571-9-cristian.marussi@arm.com>
Date: Wed, 13 Aug 2025 12:46:09 +0100
From: Cristian Marussi <cristian.marussi@....com>
To: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	arm-scmi@...r.kernel.org,
	linux-pm@...r.kernel.org
Cc: sudeep.holla@....com,
	james.quinlan@...adcom.com,
	f.fainelli@...il.com,
	vincent.guittot@...aro.org,
	etienne.carriere@...com,
	peng.fan@....nxp.com,
	michal.simek@....com,
	quic_sibis@...cinc.com,
	dan.carpenter@...aro.org,
	d-gole@...com,
	souvik.chakravarty@....com,
	Cristian Marussi <cristian.marussi@....com>,
	"Rafael J. Wysocki" <rafael@...nel.org>
Subject: [PATCH 8/8] powercap: arm_scmi: Enable multiple constraints support

Initialize the domains with all the discovered available constraints,
making available multiple per-domain constraints when the platform has
advertised support for multiple concurrent power limits.

CC: "Rafael J. Wysocki" <rafael@...nel.org>
CC: linux-pm@...r.kernel.org
Signed-off-by: Cristian Marussi <cristian.marussi@....com>
---
 drivers/powercap/arm_scmi_powercap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/powercap/arm_scmi_powercap.c b/drivers/powercap/arm_scmi_powercap.c
index de2dc1f6f2a9..559767e143b0 100644
--- a/drivers/powercap/arm_scmi_powercap.c
+++ b/drivers/powercap/arm_scmi_powercap.c
@@ -2,7 +2,7 @@
 /*
  * SCMI Powercap support.
  *
- * Copyright (C) 2022 ARM Ltd.
+ * Copyright (C) 2022-2025 ARM Ltd.
  */
 
 #include <linux/device.h>
@@ -311,7 +311,7 @@ static int scmi_powercap_register_zone(struct scmi_powercap_root *pr,
 
 	z = powercap_register_zone(&spz->zone, scmi_top_pcntrl, spz->info->name,
 				   parent ? &parent->zone : NULL,
-				   &zone_ops, 1, &constraint_ops);
+				   &zone_ops, spz->info->num_cpli, &constraint_ops);
 	if (!IS_ERR(z)) {
 		spz->height = scmi_powercap_get_zone_height(spz);
 		spz->registered = true;
-- 
2.47.0