summaryrefslogtreecommitdiffstats
path: root/drivers/misc/habanalabs/hwmon.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/habanalabs/hwmon.c')
-rw-r--r--drivers/misc/habanalabs/hwmon.c63
1 files changed, 32 insertions, 31 deletions
diff --git a/drivers/misc/habanalabs/hwmon.c b/drivers/misc/habanalabs/hwmon.c
index 70088fdb0a5b..3539190b1caa 100644
--- a/drivers/misc/habanalabs/hwmon.c
+++ b/drivers/misc/habanalabs/hwmon.c
@@ -113,6 +113,7 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long *val)
{
struct hl_device *hdev = dev_get_drvdata(dev);
+ int rc;
if (hl_device_disabled_or_in_reset(hdev))
return -ENODEV;
@@ -131,7 +132,7 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
return -EINVAL;
}
- *val = hl_get_temperature(hdev, channel, attr);
+ rc = hl_get_temperature(hdev, channel, attr, val);
break;
case hwmon_in:
switch (attr) {
@@ -143,7 +144,7 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
return -EINVAL;
}
- *val = hl_get_voltage(hdev, channel, attr);
+ rc = hl_get_voltage(hdev, channel, attr, val);
break;
case hwmon_curr:
switch (attr) {
@@ -155,7 +156,7 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
return -EINVAL;
}
- *val = hl_get_current(hdev, channel, attr);
+ rc = hl_get_current(hdev, channel, attr, val);
break;
case hwmon_fan:
switch (attr) {
@@ -166,7 +167,7 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
default:
return -EINVAL;
}
- *val = hl_get_fan_speed(hdev, channel, attr);
+ rc = hl_get_fan_speed(hdev, channel, attr, val);
break;
case hwmon_pwm:
switch (attr) {
@@ -176,12 +177,12 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
default:
return -EINVAL;
}
- *val = hl_get_pwm_info(hdev, channel, attr);
+ rc = hl_get_pwm_info(hdev, channel, attr, val);
break;
default:
return -EINVAL;
}
- return 0;
+ return rc;
}
static int hl_write(struct device *dev, enum hwmon_sensor_types type,
@@ -277,10 +278,10 @@ static const struct hwmon_ops hl_hwmon_ops = {
.write = hl_write
};
-long hl_get_temperature(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_temperature(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -291,16 +292,16 @@ long hl_get_temperature(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get temperature from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
int hl_set_temperature(struct hl_device *hdev,
@@ -328,10 +329,10 @@ int hl_set_temperature(struct hl_device *hdev,
return rc;
}
-long hl_get_voltage(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_voltage(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -342,22 +343,22 @@ long hl_get_voltage(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get voltage from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
-long hl_get_current(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_current(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -368,22 +369,22 @@ long hl_get_current(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get current from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
-long hl_get_fan_speed(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_fan_speed(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -394,22 +395,22 @@ long hl_get_fan_speed(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get fan speed from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
-long hl_get_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_pwm_info(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -420,16 +421,16 @@ long hl_get_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get pwm info from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
void hl_set_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr,