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| author | Brandon Wyman <bjwyman@gmail.com> | 2022-03-18 00:21:23 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-03-18 06:30:28 +0100 |
| commit | a5436af598779219b375c1977555c82def1c35d0 (patch) | |
| tree | 0e4cbc87b83a42e64421b4c330ddc12a0f997680 /drivers/hwmon/pmbus/pmbus.h | |
| parent | hwmon: (scpi-hwmon): Use of_device_get_match_data() (diff) | |
| download | linux-a5436af598779219b375c1977555c82def1c35d0.tar.xz linux-a5436af598779219b375c1977555c82def1c35d0.zip | |
hwmon: (pmbus) Add Vin unit off handling
If there is an input undervoltage fault, reported in STATUS_INPUT
command response, there is quite likely a "Unit Off For Insufficient
Input Voltage" condition as well.
Add a constant for bit 3 of STATUS_INPUT. Update the Vin limit
attributes to include both bits in the mask for clearing faults.
If an input undervoltage fault occurs, causing a unit off for
insufficient input voltage, but the unit is off bit is not cleared, the
STATUS_WORD will not be updated to clear the input fault condition.
Including the unit is off bit (bit 3) allows for the input fault
condition to completely clear.
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
Link: https://lore.kernel.org/r/20220317232123.2103592-1-bjwyman@gmail.com
Fixes: b4ce237b7f7d3 ("hwmon: (pmbus) Introduce infrastructure to detect sensors and limit registers")
[groeck: Dropped unnecessary ()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/pmbus/pmbus.h')
| -rw-r--r-- | drivers/hwmon/pmbus/pmbus.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index 38f049d68d32..e74b6ef070f3 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -319,6 +319,7 @@ enum pmbus_fan_mode { percent = 0, rpm }; /* * STATUS_VOUT, STATUS_INPUT */ +#define PB_VOLTAGE_VIN_OFF BIT(3) #define PB_VOLTAGE_UV_FAULT BIT(4) #define PB_VOLTAGE_UV_WARNING BIT(5) #define PB_VOLTAGE_OV_WARNING BIT(6) |