From 2e8741599cf128ea27674d9ae93b46e847f820b4 Mon Sep 17 00:00:00 2001 From: Sudeep Holla Date: Thu, 14 Jan 2016 17:58:02 +0000 Subject: firmware: arm_scpi: add support for 64-bit sensor values SCPI specification version 1.1 extended the sensor from 32-bit to 64-bit values in order to accommodate new sensor class with 64-bit requirements Since the SCPI driver sets the higher 32-bit for older protocol version to zeros, there's no need to explicitly check the SCPI protocol version and the backward compatibility is maintainted. Acked-by: Guenter Roeck Reviewed-by: Punit Agrawal Signed-off-by: Sudeep Holla --- drivers/hwmon/scpi-hwmon.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/scpi-hwmon.c b/drivers/hwmon/scpi-hwmon.c index 7e20567bc369..7101b14b5137 100644 --- a/drivers/hwmon/scpi-hwmon.c +++ b/drivers/hwmon/scpi-hwmon.c @@ -52,7 +52,7 @@ static int scpi_read_temp(void *dev, int *temp) struct scpi_sensors *scpi_sensors = zone->scpi_sensors; struct scpi_ops *scpi_ops = scpi_sensors->scpi_ops; struct sensor_data *sensor = &scpi_sensors->data[zone->sensor_id]; - u32 value; + u64 value; int ret; ret = scpi_ops->sensor_get_value(sensor->info.sensor_id, &value); @@ -70,7 +70,7 @@ scpi_show_sensor(struct device *dev, struct device_attribute *attr, char *buf) struct scpi_sensors *scpi_sensors = dev_get_drvdata(dev); struct scpi_ops *scpi_ops = scpi_sensors->scpi_ops; struct sensor_data *sensor; - u32 value; + u64 value; int ret; sensor = container_of(attr, struct sensor_data, dev_attr_input); @@ -79,7 +79,7 @@ scpi_show_sensor(struct device *dev, struct device_attribute *attr, char *buf) if (ret) return ret; - return sprintf(buf, "%u\n", value); + return sprintf(buf, "%llu\n", value); } static ssize_t -- cgit v1.2.3 From fb3b07ef399bd6984f3361a709829618b75e98d8 Mon Sep 17 00:00:00 2001 From: Sudeep Holla Date: Mon, 25 Jan 2016 10:53:38 +0000 Subject: hwmon: (scpi) add energy meter support SCPI specification v1.1 adds support for energy sensors. This patch adds support for the same. Acked-by: Guenter Roeck Reviewed-by: Punit Agrawal Signed-off-by: Sudeep Holla --- drivers/hwmon/scpi-hwmon.c | 8 ++++++++ include/linux/scpi_protocol.h | 1 + 2 files changed, 9 insertions(+) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/scpi-hwmon.c b/drivers/hwmon/scpi-hwmon.c index 7101b14b5137..912b449c8303 100644 --- a/drivers/hwmon/scpi-hwmon.c +++ b/drivers/hwmon/scpi-hwmon.c @@ -114,6 +114,7 @@ static int scpi_hwmon_probe(struct platform_device *pdev) { u16 nr_sensors, i; int num_temp = 0, num_volt = 0, num_current = 0, num_power = 0; + int num_energy = 0; struct scpi_ops *scpi_ops; struct device *hwdev, *dev = &pdev->dev; struct scpi_sensors *scpi_sensors; @@ -182,6 +183,13 @@ static int scpi_hwmon_probe(struct platform_device *pdev) "power%d_label", num_power + 1); num_power++; break; + case ENERGY: + snprintf(sensor->input, sizeof(sensor->input), + "energy%d_input", num_energy + 1); + snprintf(sensor->label, sizeof(sensor->input), + "energy%d_label", num_energy + 1); + num_energy++; + break; default: continue; } diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h index ecd248d46281..35de50a65665 100644 --- a/include/linux/scpi_protocol.h +++ b/include/linux/scpi_protocol.h @@ -33,6 +33,7 @@ enum scpi_sensor_class { VOLTAGE, CURRENT, POWER, + ENERGY, }; struct scpi_sensor_info { -- cgit v1.2.3