From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752765Ab1LSWsE (ORCPT ); Mon, 19 Dec 2011 17:48:04 -0500 Received: from mga03.intel.com ([143.182.124.21]:21211 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752463Ab1LSWr5 (ORCPT ); Mon, 19 Dec 2011 17:47:57 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="87433445" From: Andi Kleen To: linux-kernel@vger.kernel.org Cc: hpa@zytor.com, trenn@suse.de, kay.sievers@vrf.org, Andi Kleen , fenghua.yu@intel.com, khali@linux-fr.org, guenter.roeck@ericsson.com Subject: [PATCH 07/10] HWMON: Convert coretemp to x86 cpuid autoprobing Date: Mon, 19 Dec 2011 14:47:43 -0800 Message-Id: <1324334865-30459-8-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.7.7.4 In-Reply-To: <1324334865-30459-1-git-send-email-andi@firstfloor.org> References: <1324334865-30459-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Use the new x86 cpuid autoprobe interface for the Intel coretemp driver. Cc: fenghua.yu@intel.com Cc: khali@linux-fr.org Cc: guenter.roeck@ericsson.com Signed-off-by: Andi Kleen --- drivers/hwmon/coretemp.c | 17 ++++++++++++++--- 1 files changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 104b376..b965f80 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -39,6 +39,7 @@ #include #include #include +#include #define DRVNAME "coretemp" @@ -756,13 +757,23 @@ static struct notifier_block coretemp_cpu_notifier __refdata = { .notifier_call = coretemp_cpu_callback, }; +static const struct x86_cpu_id coretemp_ids[] = { + { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_DTS }, + {} +}; +MODULE_DEVICE_TABLE(x86cpu, coretemp_ids); + static int __init coretemp_init(void) { int i, err = -ENODEV; - /* quick check if we run Intel */ - if (cpu_data(0).x86_vendor != X86_VENDOR_INTEL) - goto exit; + /* + * CPUID.06H.EAX[0] indicates whether the CPU has thermal + * sensors. We check this bit only, all the early CPUs + * without thermal sensors will be filtered out. + */ + if (!x86_match_cpu(coretemp_ids)) + return -ENODEV; err = platform_driver_register(&coretemp_driver); if (err) -- 1.7.7.4