From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F9AAC2D0C6 for ; Fri, 27 Dec 2019 17:41:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 037F62464E for ; Fri, 27 Dec 2019 17:41:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577468483; bh=bxw/s/0mmi4d1HPjam3EBwcbNipwUxX5FJj0gvVh/MU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=cX8iNvHac5oW7O5otPpoZ+uiKTC1fX9wjN8CcGa0Xy5r36kNjwN70VbIzsrW+XiU1 aJ+7BBEOax1XqS1Gw7eqowhyeT4hw2350Smg4Sx+GdLpv8hBBrYtMLen4XuEi1HdUg vZnIsIU3hyZ4wm7nGZVPMv6/8ycGobe2VDcVpsIA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727417AbfL0RlW (ORCPT ); Fri, 27 Dec 2019 12:41:22 -0500 Received: from mail.kernel.org ([198.145.29.99]:37376 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727274AbfL0RlR (ORCPT ); Fri, 27 Dec 2019 12:41:17 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BA7F022522; Fri, 27 Dec 2019 17:41:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577468477; bh=bxw/s/0mmi4d1HPjam3EBwcbNipwUxX5FJj0gvVh/MU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IXVP8wlf4jNdEfxK4LYspNXRoWDNqi7GXhi9+3i0/WDYhln3Wmx3kVWpVlEYIOiZB Rm6AajXRBuQ3EdJuDkzfj/gZ65c6pBZi75p/qpa5o426sgplCrsmYgJbCeSciptiM9 9NKKoqfq2zcxV8g/EqSpXxaeHtSA5VbGm6N0v4/0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kai-Heng Feng , Linus Torvalds , Peter Zijlstra , Thomas Gleixner , bp@alien8.de, feng.tang@intel.com, harry.pan@intel.com, hpa@zytor.com, Ingo Molnar , Sasha Levin , linux-pci@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 016/187] x86/intel: Disable HPET on Intel Ice Lake platforms Date: Fri, 27 Dec 2019 12:38:04 -0500 Message-Id: <20191227174055.4923-16-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191227174055.4923-1-sashal@kernel.org> References: <20191227174055.4923-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kai-Heng Feng [ Upstream commit e0748539e3d594dd26f0d27a270f14720b22a406 ] Like CFL and CFL-H, ICL SoC has skewed HPET timer once it hits PC10. So let's disable HPET on ICL. Signed-off-by: Kai-Heng Feng Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: bp@alien8.de Cc: feng.tang@intel.com Cc: harry.pan@intel.com Cc: hpa@zytor.com Link: https://lkml.kernel.org/r/20191129062303.18982-2-kai.heng.feng@canonical.com Signed-off-by: Ingo Molnar Signed-off-by: Sasha Levin --- arch/x86/kernel/early-quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 606711f5ebf8..2f9ec14be3b1 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -714,6 +714,8 @@ static struct chipset early_qrk[] __initdata = { PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, { PCI_VENDOR_ID_INTEL, 0x3ec4, PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, + { PCI_VENDOR_ID_INTEL, 0x8a12, + PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, { PCI_VENDOR_ID_BROADCOM, 0x4331, PCI_CLASS_NETWORK_OTHER, PCI_ANY_ID, 0, apple_airport_reset}, {} -- 2.20.1