diff options
Diffstat (limited to 'drivers/hwmon/mlxreg-fan.c')
| -rw-r--r-- | drivers/hwmon/mlxreg-fan.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hwmon/mlxreg-fan.c b/drivers/hwmon/mlxreg-fan.c index bd8f5a3aaad9..052c897a635d 100644 --- a/drivers/hwmon/mlxreg-fan.c +++ b/drivers/hwmon/mlxreg-fan.c @@ -127,6 +127,12 @@ mlxreg_fan_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, if (err) return err; + if (MLXREG_FAN_GET_FAULT(regval, tacho->mask)) { + /* FAN is broken - return zero for FAN speed. */ + *val = 0; + return 0; + } + *val = MLXREG_FAN_GET_RPM(regval, fan->divider, fan->samples); break; |