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authorHelge Eichelberg <kernelorg@elchenberg.name>2018-06-05 19:38:32 +0200
committerGuenter Roeck <linux@roeck-us.net>2018-06-16 16:40:36 -0700
commit536e0019b7da4eb3badb4da5acbb70ae29e1b5ef (patch)
treeeed144fba212256cdd6d7fe0075849af28ba7227 /drivers/hwmon
parentce397d215ccd07b8ae3f71db689aedb85d56ab40 (diff)
hwmon: (dell-smm) Disable fan support for Dell XPS13 9333
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>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/dell-smm-hwmon.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index bf3bb7e1adab..9d3ef879dc51 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -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"),
+ },
+ },
{ }
};