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-rw-r--r--drivers/hwmon/pmbus_core.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/hwmon/pmbus_core.c b/drivers/hwmon/pmbus_core.c
index e9dda58..92540c9 100644
--- a/drivers/hwmon/pmbus_core.c
+++ b/drivers/hwmon/pmbus_core.c
@@ -1308,13 +1308,19 @@ static void pmbus_find_attributes(struct i2c_client *client,
* Always compare current temperature against the limit
* registers to determine alarm conditions for a
* specific sensor.
+ *
+ * Since there is only one set of limit registers for
+ * up to three temperature sensors, we need to update
+ * all limit registers after the limit was changed for
+ * one of the sensors. This ensures that correct limits
+ * are reported for all temperature sensors.
*/
if (pmbus_check_word_register
(client, page, PMBUS_UT_WARN_LIMIT)) {
i1 = data->num_sensors;
pmbus_add_sensor(data, "temp", "min", in_index,
page, PMBUS_UT_WARN_LIMIT,
- PSC_TEMPERATURE, false);
+ PSC_TEMPERATURE, true);
if (info->func[page] & PMBUS_HAVE_STATUS_TEMP) {
pmbus_add_boolean_cmp(data, "temp",
"min_alarm", in_index, i1, i0,
@@ -1329,7 +1335,7 @@ static void pmbus_find_attributes(struct i2c_client *client,
pmbus_add_sensor(data, "temp", "lcrit",
in_index, page,
PMBUS_UT_FAULT_LIMIT,
- PSC_TEMPERATURE, false);
+ PSC_TEMPERATURE, true);
if (info->func[page] & PMBUS_HAVE_STATUS_TEMP) {
pmbus_add_boolean_cmp(data, "temp",
"lcrit_alarm", in_index, i1, i0,
@@ -1343,7 +1349,7 @@ static void pmbus_find_attributes(struct i2c_client *client,
i1 = data->num_sensors;
pmbus_add_sensor(data, "temp", "max", in_index,
page, PMBUS_OT_WARN_LIMIT,
- PSC_TEMPERATURE, false);
+ PSC_TEMPERATURE, true);
if (info->func[page] & PMBUS_HAVE_STATUS_TEMP) {
pmbus_add_boolean_cmp(data, "temp",
"max_alarm", in_index, i0, i1,
@@ -1357,7 +1363,7 @@ static void pmbus_find_attributes(struct i2c_client *client,
i1 = data->num_sensors;
pmbus_add_sensor(data, "temp", "crit", in_index,
page, PMBUS_OT_FAULT_LIMIT,
- PSC_TEMPERATURE, false);
+ PSC_TEMPERATURE, true);
if (info->func[page] & PMBUS_HAVE_STATUS_TEMP) {
pmbus_add_boolean_cmp(data, "temp",
"crit_alarm", in_index, i0, i1,