linux-kernel - [PATCH v3 3/3] powercap: arm_scmi: Add support for disabling powercaps on a zone

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Date:   Wed, 31 May 2023 16:20:39 +0100
From:   Cristian Marussi <cristian.marussi@....com>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org
Cc:     sudeep.holla@....com, james.quinlan@...adcom.com,
        Jonathan.Cameron@...wei.com, f.fainelli@...il.com,
        vincent.guittot@...aro.org, tarek.el-sherbiny@....com,
        nicola.mazzucato@....com, souvik.chakravarty@....com,
        wleavitt@...vell.com, wbartczak@...vell.com,
        Cristian Marussi <cristian.marussi@....com>,
        "Rafael J . Wysocki" <rafael@...nel.org>
Subject: [PATCH v3 3/3] powercap: arm_scmi: Add support for disabling powercaps on a zone

Add support to disable/enable powercapping on a zone.

Acked-by: Rafael J. Wysocki <rafael@...nel.org>
Signed-off-by: Cristian Marussi <cristian.marussi@....com>
---
v2 --> v3
- rebased on v6.4-rc4
- added Acked-by
---
 drivers/powercap/arm_scmi_powercap.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/powercap/arm_scmi_powercap.c b/drivers/powercap/arm_scmi_powercap.c
index 05d0e516176a..5231f6d52ae3 100644
--- a/drivers/powercap/arm_scmi_powercap.c
+++ b/drivers/powercap/arm_scmi_powercap.c
@@ -70,10 +70,26 @@ static int scmi_powercap_get_power_uw(struct powercap_zone *pz,
 	return 0;
 }
 
+static int scmi_powercap_zone_enable_set(struct powercap_zone *pz, bool mode)
+{
+	struct scmi_powercap_zone *spz = to_scmi_powercap_zone(pz);
+
+	return powercap_ops->cap_enable_set(spz->ph, spz->info->id, mode);
+}
+
+static int scmi_powercap_zone_enable_get(struct powercap_zone *pz, bool *mode)
+{
+	struct scmi_powercap_zone *spz = to_scmi_powercap_zone(pz);
+
+	return powercap_ops->cap_enable_get(spz->ph, spz->info->id, mode);
+}
+
 static const struct powercap_zone_ops zone_ops = {
 	.get_max_power_range_uw = scmi_powercap_get_max_power_range_uw,
 	.get_power_uw = scmi_powercap_get_power_uw,
 	.release = scmi_powercap_zone_release,
+	.set_enable = scmi_powercap_zone_enable_set,
+	.get_enable = scmi_powercap_zone_enable_get,
 };
 
 static void scmi_powercap_normalize_cap(const struct scmi_powercap_zone *spz,
-- 
2.34.1