From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751950AbeFERsi (ORCPT ); Tue, 5 Jun 2018 13:48:38 -0400 Received: from kopff.uberspace.de ([185.26.156.73]:42908 "EHLO kopff.uberspace.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751788AbeFERsh (ORCPT ); Tue, 5 Jun 2018 13:48:37 -0400 From: Helge Eichelberg Cc: Helge Eichelberg , =?UTF-8?q?Pali=20Roh=C3=A1r?= , Jean Delvare , Guenter Roeck , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] hwmon: (dell-smm) Disable fan support for Dell XPS13 9333 Date: Tue, 5 Jun 2018 19:38:32 +0200 Message-Id: <20180605173833.27003-1-kernelorg@elchenberg.name> X-Mailer: git-send-email 2.14.1 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- drivers/hwmon/dell-smm-hwmon.c | 7 +++++++ 1 file changed, 7 insertions(+) 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"), + }, + }, { } }; -- 2.14.1