[PATCH v8 09/13] powercap: arm_scmi: Enable multiple constraints support

Philip Radford <[email protected]> Wed, 1 Jul 2026 12:57:43 +0000
Newsgroups org.kernel.vger.arm-scmi,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm
Message-ID <[email protected]>
From: Cristian Marussi <[email protected]>

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" <[email protected]>
CC: [email protected]
Signed-off-by: Cristian Marussi <[email protected]>
[Philip: Amended Copyright]
Signed-off-by: Philip Radford <[email protected]>
---
 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 90d1fa70b1d4..2f8a1e0ecccf 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) 2022-2026 ARM Ltd.
  */
 
 #include <linux/device.h>
@@ -449,7 +449,7 @@ 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;
-- 
2.25.1