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@kernel.org>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20230531152039.2363181-4-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

diff --git a/drivers/powercap/arm_scmi_powercap.c b/drivers/powercap/arm_scmi_powercap.c
index 05d0e516176a54c1764eb703a052622587e834f2..5231f6d52ae3af4d903a5f0d9037462086c91297 100644 (file)
--- 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,