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[23.128.96.18]) by mx.google.com with ESMTP id v15si2700559edy.90.2020.07.29.23.16.11; Wed, 29 Jul 2020 23:16:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728623AbgG3GQF (ORCPT + 99 others); Thu, 30 Jul 2020 02:16:05 -0400 Received: from mga01.intel.com ([192.55.52.88]:2189 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726287AbgG3GQE (ORCPT ); Thu, 30 Jul 2020 02:16:04 -0400 IronPort-SDR: uzwtjNGUfP8n/Cuvlhqpgtd8xaD/1p1dqBCgOeRB0XAXZzG4cRhs82o6IxZawK3arIYYGm9iSP 4Xh31C2zuzHg== X-IronPort-AV: E=McAfee;i="6000,8403,9697"; a="169666541" X-IronPort-AV: E=Sophos;i="5.75,413,1589266800"; d="scan'208";a="169666541" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jul 2020 23:16:04 -0700 IronPort-SDR: vncdIGSZjOvJ++EV9D9QT15AoGjFKFxYg4WgykdR9lilU76W41lQnJexaZJq520852MMb5TY9T hZ9S9f2XD+nw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,413,1589266800"; d="scan'208";a="313301258" Received: from sgsxdev003.isng.intel.com (HELO localhost) ([10.226.88.14]) by fmsmga004.fm.intel.com with ESMTP; 29 Jul 2020 23:16:01 -0700 From: Dilip Kota To: x86@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, rahul.tanwar@linux.intel.com Cc: hdegoede@redhat.com, linux-kernel@vger.kernel.org, andy@infradead.org, cheol.yong.kim@intel.com, chuanhua.lei@linux.intel.com, qi-ming.wu@intel.com, Dilip Kota Subject: [PATCH 1/1] x86/tsr: Fix tsc frequency enumeration failure on lightning mountain SoC Date: Thu, 30 Jul 2020 14:15:24 +0800 Message-Id: <4fcf09a0786550f5510ec3d9a8628baf7326dd39.1596084248.git.eswara.kota@linux.intel.com> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Frequency descriptor of Lightning Mountain SoC doesn't have all the frequency entries so resulting in the below failure causing kernel hang. [ 0.000000] Error MSR_FSB_FREQ index 15 is unknown [ 0.000000] tsc: Fast TSC calibration failed So, add all the frequency entries in the Lightning Mountain SoC frequency descriptor. Fixes: 0cc5359d8fd45 ("x86/cpu: Update init data for new Airmont CPU model") Fixes: 812c2d7506fd ("x86/tsc_msr: Use named struct initializers") Signed-off-by: Dilip Kota --- arch/x86/kernel/tsc_msr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c index 4fec6f3a1858b2..c255e10e914aa5 100644 --- a/arch/x86/kernel/tsc_msr.c +++ b/arch/x86/kernel/tsc_msr.c @@ -136,7 +136,8 @@ static const struct freq_desc freq_desc_ann = { /* 24 MHz crystal? : 24 * 13 / 4 = 78 MHz */ static const struct freq_desc freq_desc_lgm = { .use_msr_plat = true, - .freqs = { 78000, 78000, 78000, 78000, 78000, 78000, 78000, 78000 }, + .freqs = { 78000, 78000, 78000, 78000, 78000, 78000, 78000, 78000, 78000, + 78000, 78000, 78000, 78000, 78000, 78000, 78000 }, .mask = 0x0f, }; -- 2.11.0