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authorNicolas Cavallari <nicolas.cavallari@green-communications.fr>2022-02-07 20:37:46 +0300
committerFelix Fietkau <nbd@nbd.name>2022-02-24 16:40:22 +0300
commitdb783f10b2394bd20da60a2972dc9c097fc53427 (patch)
treee715f17eb6ba742c601986021f077e5518231ce9
parent771cd8d4c36975cdac6ced2f1270178752a56ae4 (diff)
downloadlinux-db783f10b2394bd20da60a2972dc9c097fc53427.tar.xz
mt76: mt7915e: Add a hwmon attribute to get the actual throttle state.
The firmware-controlled actual throttle state was previously available by reading the cooling_device, but this confused the thermal subsystem. Add a hwmon attribute to get it instead. Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr> Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7915/init.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index dda2b5e8bbb9..1bcebf92d5c5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -50,15 +50,22 @@ static ssize_t mt7915_thermal_temp_show(struct device *dev,
int i = to_sensor_dev_attr(attr)->index;
int temperature;
- if (i)
- return sprintf(buf, "%u\n", phy->throttle_temp[i - 1] * 1000);
-
- temperature = mt7915_mcu_get_temperature(phy);
- if (temperature < 0)
- return temperature;
-
- /* display in millidegree celcius */
- return sprintf(buf, "%u\n", temperature * 1000);
+ switch (i) {
+ case 0:
+ temperature = mt7915_mcu_get_temperature(phy);
+ if (temperature < 0)
+ return temperature;
+ /* display in millidegree celcius */
+ return sprintf(buf, "%u\n", temperature * 1000);
+ case 1:
+ case 2:
+ return sprintf(buf, "%u\n",
+ phy->throttle_temp[i - 1] * 1000);
+ case 3:
+ return sprintf(buf, "%hhu\n", phy->throttle_state);
+ default:
+ return -EINVAL;
+ }
}
static ssize_t mt7915_thermal_temp_store(struct device *dev,
@@ -84,11 +91,13 @@ static ssize_t mt7915_thermal_temp_store(struct device *dev,
static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7915_thermal_temp, 0);
static SENSOR_DEVICE_ATTR_RW(temp1_crit, mt7915_thermal_temp, 1);
static SENSOR_DEVICE_ATTR_RW(temp1_max, mt7915_thermal_temp, 2);
+static SENSOR_DEVICE_ATTR_RO(throttle1, mt7915_thermal_temp, 3);
static struct attribute *mt7915_hwmon_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp1_crit.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_throttle1.dev_attr.attr,
NULL,
};
ATTRIBUTE_GROUPS(mt7915_hwmon);