diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus_core.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/hwmon/pmbus_core.c b/drivers/hwmon/pmbus_core.c index d025a118bf9..e9dda58a5b9 100644 --- a/drivers/hwmon/pmbus_core.c +++ b/drivers/hwmon/pmbus_core.c @@ -797,6 +797,12 @@ static const int pmbus_temp_registers[] = { PMBUS_READ_TEMPERATURE_3 }; +static const int pmbus_temp_flags[] = { + PMBUS_HAVE_TEMP, + PMBUS_HAVE_TEMP2, + PMBUS_HAVE_TEMP3 +}; + static const int pmbus_fan_registers[] = { PMBUS_READ_FAN_SPEED_1, PMBUS_READ_FAN_SPEED_2, @@ -871,17 +877,16 @@ static void pmbus_find_max_attr(struct i2c_client *client, max_booleans += 2 * PMBUS_MAX_BOOLEANS_PER_FAN; } if (info->func[page] & PMBUS_HAVE_TEMP) { - if (page == 0) { - max_sensors += - ARRAY_SIZE(pmbus_temp_registers) * - PMBUS_MAX_SENSORS_PER_TEMP; - max_booleans += - ARRAY_SIZE(pmbus_temp_registers) * - PMBUS_MAX_BOOLEANS_PER_TEMP; - } else { - max_sensors += PMBUS_MAX_SENSORS_PER_TEMP; - max_booleans += PMBUS_MAX_BOOLEANS_PER_TEMP; - } + max_sensors += PMBUS_MAX_SENSORS_PER_TEMP; + max_booleans += PMBUS_MAX_BOOLEANS_PER_TEMP; + } + if (info->func[page] & PMBUS_HAVE_TEMP2) { + max_sensors += PMBUS_MAX_SENSORS_PER_TEMP; + max_booleans += PMBUS_MAX_BOOLEANS_PER_TEMP; + } + if (info->func[page] & PMBUS_HAVE_TEMP3) { + max_sensors += PMBUS_MAX_SENSORS_PER_TEMP; + max_booleans += PMBUS_MAX_BOOLEANS_PER_TEMP; } } data->max_sensors = max_sensors; @@ -1273,18 +1278,23 @@ static void pmbus_find_attributes(struct i2c_client *client, */ in_index = 1; for (page = 0; page < info->pages; page++) { - int t, temps; - - if (!(info->func[page] & PMBUS_HAVE_TEMP)) - continue; + int t; - temps = page ? 1 : ARRAY_SIZE(pmbus_temp_registers); - for (t = 0; t < temps; t++) { + for (t = 0; t < ARRAY_SIZE(pmbus_temp_registers); t++) { bool have_alarm = false; + /* + * A PMBus chip may support any combination of + * temperature registers on any page. So we can not + * abort after a failure to detect a register, but have + * to continue checking for all registers on all pages. + */ + if (!(info->func[page] & pmbus_temp_flags[t])) + continue; + if (!pmbus_check_word_register (client, page, pmbus_temp_registers[t])) - break; + continue; i0 = data->num_sensors; pmbus_add_sensor(data, "temp", "input", in_index, page, |