hwmon: (dell-smm) Disable fan support for Dell Inspiron 7720

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Calling fan related SMM functions implemented by Dell BIOS firmware on Dell
Inspiron 7720 freeze kernel for about 500ms. Until Dell fixes it we need to
disable fan support for Dell Inspiron 7720 as it makes system unusable.

Via "force" module param fan support can be enabled.

Reported-by: vova7890@mail.ru
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=195751
Cc: stable@vger.kernel.org # v4.0+, will need backport
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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Pali Rohár 2018-01-27 17:28:34 +01:00 • committed by Guenter Roeck

parent 836ad11235

commit f480ea90b9

1 changed files with 39 additions and 1 deletions

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drivers/hwmon/dell-smm-hwmon.c

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