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hwmon: (dell-smm) Disable fan support for Dell XPS13 9333

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Calling fan related SMM functions implemented by Dell BIOS firmware on Dell
XPS13 9333 freeze kernel for about 500ms. Until Dell fixes it we need to
disable fan support for Dell XPS13 9333.

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

Link: https://bugzilla.kernel.org/show_bug.cgi?id=195751
Signed-off-by: Helge Eichelberg <kernelorg@elchenberg.name>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Helge Eichelberg 2018-06-05 19:38:32 +02:00 committed by Guenter Roeck
parent ce397d215c
commit 536e0019b7
1 changed files with 7 additions and 0 deletions
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7
drivers/hwmon/dell-smm-hwmon.c
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@ -1074,6 +1074,13 @@ static struct dmi_system_id i8k_blacklist_fan_support_dmi_table[] __initdata = {
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Vostro 3360"),
},
},
{
.ident = "Dell XPS13 9333",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "XPS13 9333"),
},
},
{ }
};