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firmware: arm_scpi: add support for 64-bit sensor values

Forráskód böngészése 
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 <linux@roeck-us.net>
Reviewed-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Sudeep Holla
2016-01-14 17:58:02 +00:00
szülő 3bdd884371
commit 2e8741599c
3 fájl változott, egészen pontosan 9 új sor hozzáadva és 7 régi sor törölve
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6
drivers/hwmon/scpi-hwmon.c
Fájl megtekintése

@@ -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