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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D967BC636CA for ; Fri, 16 Jul 2021 18:41:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C22EB613F6 for ; Fri, 16 Jul 2021 18:41:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232380AbhGPSov (ORCPT ); Fri, 16 Jul 2021 14:44:51 -0400 Received: from mga17.intel.com ([192.55.52.151]:56665 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232214AbhGPSop (ORCPT ); Fri, 16 Jul 2021 14:44:45 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10047"; a="191144883" X-IronPort-AV: E=Sophos;i="5.84,245,1620716400"; d="scan'208";a="191144883" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2021 11:41:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,245,1620716400"; d="scan'208";a="460843499" Received: from otcpl-manager.jf.intel.com (HELO localhost.localdomain) ([10.54.39.234]) by orsmga008.jf.intel.com with ESMTP; 16 Jul 2021 11:41:49 -0700 From: Gayatri Kammela To: platform-driver-x86@vger.kernel.org Cc: mgross@linux.intel.com, hdegoede@redhat.com, irenic.rajneesh@gmail.com, andriy.shevchenko@linux.intel.com, vicamo.yang@canonical.com, srinivas.pandruvada@intel.com, david.e.box@intel.com, linux-kernel@vger.kernel.org, tamar.mashiah@intel.com, gregkh@linuxfoundation.org, rajatja@google.com, Shyam-sundar.S-k@amd.com, Alexander.Deucher@amd.com, mlimonci@amd.com, "David E. Box" , Andy Shevchenko Subject: [PATCH v5 5/5] platform/x86/intel: pmc/core: Add GBE Package C10 fix for Alder Lake PCH Date: Fri, 16 Jul 2021 11:38:37 -0700 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "David E. Box" Alder PCH uses the same Gigabit Ethernet (GBE) device as Tiger Lake PCH which cannot achieve PC10 without ignoring the PMC GBE LTR. Add this work around for Alder Lake PCH as well. Cc: Srinivas Pandruvada Cc: Andy Shevchenko Tested-by: You-Sheng Yang Acked-by: Rajneesh Bhardwaj Reviewed-by: Hans de Goede Reviewed-by: Andy Shevchenko Signed-off-by: David E. Box --- drivers/platform/x86/intel/pmc/core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index e645ede591d8..7c4bf7d22fd5 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -1983,10 +1983,10 @@ static int pmc_core_probe(struct platform_device *pdev) pmc_core_get_tgl_lpm_reqs(pdev); /* - * On TGL, due to a hardware limitation, the GBE LTR blocks PC10 when - * a cable is attached. Tell the PMC to ignore it. + * On TGL and ADL, due to a hardware limitation, the GBE LTR blocks PC10 + * when a cable is attached. Tell the PMC to ignore it. */ - if (pmcdev->map == &tgl_reg_map) { + if (pmcdev->map == &tgl_reg_map || pmcdev->map == &adl_reg_map) { dev_dbg(&pdev->dev, "ignoring GBE LTR\n"); pmc_core_send_ltr_ignore(pmcdev, 3); } -- 2.25.1