The systems of type MSN21xx, MSN201x have a slight difference from the default reset cause bits description, it uses reset_hotswap_or_halt instead of reset_hotswap_or_wd. New attribute is documented. Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx> --- Documentation/ABI/stable/sysfs-driver-mlxreg-io | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io index 815689b..d9d117d 100644 --- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io +++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io @@ -57,6 +57,7 @@ Description: These files allow asserting system power cycling, switching What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ reset_aux_pwr_or_ref reset_asic_thermal + reset_hotswap_or_halt reset_hotswap_or_wd reset_fw_reset reset_long_pb @@ -67,8 +68,8 @@ Date: June 2018 KernelVersion: 4.19 Contact: Vadim Pasternak <vadimpmellanox.com> Description: These files show the system reset cause, as following: power - auxiliary outage or power refresh, ASIC thermal shutdown, - hotswap or watchdog, firmware reset, long press power button, + auxiliary outage or power refresh, ASIC thermal shutdown, halt, + hotswap, watchdog, firmware reset, long press power button, short press power button, software reset. Value 1 in file means this is reset cause, 0 - otherwise. Only one of the above causes could be 1 at the same time, representing only last -- 2.1.4