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hwmon: (pmbus) delta-ahe50dc-fan: work around hardware quirk
authorZev Weiss <zev@bewilderbeest.net>
Wed, 27 Apr 2022 03:51:09 +0000 (20:51 -0700)
committerGuenter Roeck <linux@roeck-us.net>
Wed, 27 Apr 2022 11:52:18 +0000 (04:52 -0700)
commit98cfcaf5b76acd9a1e4d90af0f46d80c8327a40b
tree084f1682f5bb2cb8dccece5ab76cef1aa7c1c4a9tree | snapshot
parent6d95fcac48e453e048cb673f0adf5bb50b8f2a37commit | diff
hwmon: (pmbus) delta-ahe50dc-fan: work around hardware quirk

CLEAR_FAULTS commands can apparently sometimes trigger catastrophic
power output glitches on the ahe-50dc, so block them from being sent
at all.

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220427035109.3819-1-zev@bewilderbeest.net
Fixes: 272c8783fff0 ("hwmon: (pmbus) Add Delta AHE-50DC fan control module driver")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/pmbus/delta-ahe50dc-fan.c diff | blob | history
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