From patchwork Sun Jul 11 01:21:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kammela, Gayatri" X-Patchwork-Id: 12368951 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=-17.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 5BA1CC07E95 for ; Sun, 11 Jul 2021 01:24:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41AAB61278 for ; Sun, 11 Jul 2021 01:24:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231899AbhGKB1j (ORCPT ); Sat, 10 Jul 2021 21:27:39 -0400 Received: from mga09.intel.com ([134.134.136.24]:35491 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231928AbhGKB1g (ORCPT ); Sat, 10 Jul 2021 21:27:36 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10041"; a="209819794" X-IronPort-AV: E=Sophos;i="5.84,230,1620716400"; d="scan'208";a="209819794" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2021 18:24:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,230,1620716400"; d="scan'208";a="567281886" Received: from otcpl-manager.jf.intel.com (HELO localhost.localdomain) ([10.54.39.234]) by fmsmga001.fm.intel.com with ESMTP; 10 Jul 2021 18:24:50 -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 v4 5/5] platform/x86/intel: pmc/core: Add GBE Package C10 fix for Alder Lake PCH Date: Sat, 10 Jul 2021 18:21:44 -0700 Message-Id: <0da949d43043c9b589076dc0003e1042aba537f8.1625965477.git.gayatri.kammela@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@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); }