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hwmon: (dell-smm) Enable broken functionality via "force" module param 

Some Dell machines are broken and some functionality is disabled. Show
warning into dmesg about this fact and allow user via "force" module param
to override brokenness and enable broken functionality.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Pali Rohár 2018-01-27 17:22:01 +01:00 committed by Guenter Roeck
parent 6509614fdd
commit 836ad11235
1 changed files with 5 additions and 2 deletions
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7
drivers/hwmon/dell-smm-hwmon.c
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@ -1060,8 +1060,11 @@ static int __init i8k_probe(void)
i8k_get_dmi_data(DMI_BIOS_VERSION));
}
if (dmi_check_system(i8k_blacklist_fan_type_dmi_table))
disallow_fan_type_call = true;
if (dmi_check_system(i8k_blacklist_fan_type_dmi_table)) {
pr_warn("broken Dell BIOS detected, disallow fan type call\n");
if (!force)
disallow_fan_type_call = true;
}
strlcpy(bios_version, i8k_get_dmi_data(DMI_BIOS_VERSION),
sizeof(bios_version));