From 836ad11235d04f7a6fcd41b1abceaeacc70153c0 Mon Sep 17 00:00:00 2001 From: Pali Rohár Date: Sat, 27 Jan 2018 17:22:01 +0100 Subject: hwmon: (dell-smm) Enable broken functionality via "force" module param MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Guenter Roeck --- drivers/hwmon/dell-smm-hwmon.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c index c7c9e95e58a8..aef4f8317ae2 100644 --- a/drivers/hwmon/dell-smm-hwmon.c +++ b/drivers/hwmon/dell-smm-hwmon.c @@ -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)); -- cgit v1.2.3-58-ga151