rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/drivers/hwmon/scmi-hwmon.c
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@@ -2,7 +2,7 @@
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 /*
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  * System Control and Management Interface(SCMI) based hwmon sensor driver
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  *
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- * Copyright (C) 2018 ARM Ltd.
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+ * Copyright (C) 2018-2020 ARM Ltd.
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  * Sudeep Holla <sudeep.holla@arm.com>
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  */
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@@ -13,8 +13,10 @@
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 #include <linux/sysfs.h>
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 #include <linux/thermal.h>
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+static const struct scmi_sensor_proto_ops *sensor_ops;
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+
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 struct scmi_sensors {
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-	const struct scmi_handle *handle;
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+	const struct scmi_protocol_handle *ph;
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 	const struct scmi_sensor_info **info[hwmon_max];
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 };
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@@ -30,7 +32,7 @@
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 static int scmi_hwmon_scale(const struct scmi_sensor_info *sensor, u64 *value)
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 {
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-	s8 scale = sensor->scale;
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+	int scale = sensor->scale;
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 	u64 f;
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 	switch (sensor->type) {
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@@ -69,10 +71,9 @@
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 	u64 value;
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 	const struct scmi_sensor_info *sensor;
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 	struct scmi_sensors *scmi_sensors = dev_get_drvdata(dev);
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-	const struct scmi_handle *h = scmi_sensors->handle;
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 	sensor = *(scmi_sensors->info[type] + channel);
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-	ret = h->sensor_ops->reading_get(h, sensor->id, &value);
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+	ret = sensor_ops->reading_get(scmi_sensors->ph, sensor->id, &value);
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 	if (ret)
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 		return ret;
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@@ -104,8 +105,8 @@
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 	const struct scmi_sensors *scmi_sensors = drvdata;
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 	sensor = *(scmi_sensors->info[type] + channel);
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-	if (sensor && sensor->name)
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-		return S_IRUGO;
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+	if (sensor)
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+		return 0444;
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 	return 0;
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 }
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@@ -169,11 +170,16 @@
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 	struct hwmon_channel_info *scmi_hwmon_chan;
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 	const struct hwmon_channel_info **ptr_scmi_ci;
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 	const struct scmi_handle *handle = sdev->handle;
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+	struct scmi_protocol_handle *ph;
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-	if (!handle || !handle->sensor_ops)
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+	if (!handle)
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 		return -ENODEV;
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-	nr_sensors = handle->sensor_ops->count_get(handle);
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+	sensor_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_SENSOR, &ph);
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+	if (IS_ERR(sensor_ops))
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+		return PTR_ERR(sensor_ops);
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+
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+	nr_sensors = sensor_ops->count_get(ph);
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 	if (!nr_sensors)
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 		return -EIO;
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@@ -181,10 +187,10 @@
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 	if (!scmi_sensors)
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 		return -ENOMEM;
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-	scmi_sensors->handle = handle;
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+	scmi_sensors->ph = ph;
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 	for (i = 0; i < nr_sensors; i++) {
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-		sensor = handle->sensor_ops->info_get(handle, i);
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+		sensor = sensor_ops->info_get(ph, i);
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 		if (!sensor)
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 			return -EINVAL;
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@@ -202,8 +208,10 @@
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 		}
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 	}
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-	if (nr_count[hwmon_temp])
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-		nr_count[hwmon_chip]++, nr_types++;
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+	if (nr_count[hwmon_temp]) {
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+		nr_count[hwmon_chip]++;
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+		nr_types++;
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+	}
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 	scmi_hwmon_chan = devm_kcalloc(dev, nr_types, sizeof(*scmi_hwmon_chan),
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 				       GFP_KERNEL);
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@@ -234,7 +242,7 @@
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 	}
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 	for (i = nr_sensors - 1; i >= 0 ; i--) {
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-		sensor = handle->sensor_ops->info_get(handle, i);
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+		sensor = sensor_ops->info_get(ph, i);
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 		if (!sensor)
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 			continue;
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@@ -259,7 +267,7 @@
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 }
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 static const struct scmi_device_id scmi_id_table[] = {
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-	{ SCMI_PROTOCOL_SENSOR },
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+	{ SCMI_PROTOCOL_SENSOR, "hwmon" },
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 	{ },
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 };
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 MODULE_DEVICE_TABLE(scmi, scmi_id_table);