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| author | Nuno Sa <nuno.sa@analog.com> | 2024-01-29 19:13:24 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-02-12 00:43:09 +0300 |
| commit | 35c1bfb99fef9c71f9df5c1325db99a79300bc97 (patch) | |
| tree | 38b776b57f7fdca4e3cd66d0b033a150d228fc49 | |
| parent | d07c41eb963a4f621d1867c36ad3b79b2f5faa20 (diff) | |
| download | linux-35c1bfb99fef9c71f9df5c1325db99a79300bc97.tar.xz | |
hwmon: add fault attribute for voltage channels
Sometimes a voltage channel might have an hard failure (eg: a shorted
MOSFET). Hence, add a fault attribute to report such failures.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240129-b4-ltc4282-support-v4-2-fe75798164cc@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-hwmon | 9 | ||||
| -rw-r--r-- | drivers/hwmon/hwmon.c | 1 | ||||
| -rw-r--r-- | include/linux/hwmon.h | 2 |
3 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon index 3dac923c9b0e..6c4e68ad4a83 100644 --- a/Documentation/ABI/testing/sysfs-class-hwmon +++ b/Documentation/ABI/testing/sysfs-class-hwmon @@ -149,6 +149,15 @@ Description: RW +What: /sys/class/hwmon/hwmonX/inY_fault +Description: + Reports a voltage hard failure (eg: shorted component) + + - 1: Failed + - 0: Ok + + RO + What: /sys/class/hwmon/hwmonX/cpuY_vid Description: CPU core reference voltage. diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index c7dd3f5b2bd5..18705049ad61 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -510,6 +510,7 @@ static const char * const hwmon_in_attr_templates[] = { [hwmon_in_rated_min] = "in%d_rated_min", [hwmon_in_rated_max] = "in%d_rated_max", [hwmon_in_beep] = "in%d_beep", + [hwmon_in_fault] = "in%d_fault", }; static const char * const hwmon_curr_attr_templates[] = { diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index c2c0da18dfa3..c7885fdce88f 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -141,6 +141,7 @@ enum hwmon_in_attributes { hwmon_in_rated_min, hwmon_in_rated_max, hwmon_in_beep, + hwmon_in_fault, }; #define HWMON_I_ENABLE BIT(hwmon_in_enable) @@ -162,6 +163,7 @@ enum hwmon_in_attributes { #define HWMON_I_RATED_MIN BIT(hwmon_in_rated_min) #define HWMON_I_RATED_MAX BIT(hwmon_in_rated_max) #define HWMON_I_BEEP BIT(hwmon_in_beep) +#define HWMON_I_FAULT BIT(hwmon_in_fault) enum hwmon_curr_attributes { hwmon_curr_enable, |