From patchwork Thu Nov 14 17:01:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kammela, Gayatri" X-Patchwork-Id: 11244029 X-Patchwork-Delegate: andy.shevchenko@gmail.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9C42E14BC for ; Thu, 14 Nov 2019 17:01:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 86B28206D3 for ; Thu, 14 Nov 2019 17:01:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727128AbfKNRBi (ORCPT ); Thu, 14 Nov 2019 12:01:38 -0500 Received: from mga04.intel.com ([192.55.52.120]:50122 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727097AbfKNRBh (ORCPT ); Thu, 14 Nov 2019 12:01:37 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Nov 2019 09:01:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,304,1569308400"; d="scan'208";a="257506339" Received: from unknown (HELO gayuk-dev-mach.sc.intel.com) ([10.3.79.161]) by FMSMGA003.fm.intel.com with ESMTP; 14 Nov 2019 09:01:35 -0800 From: Gayatri Kammela To: platform-driver-x86@vger.kernel.org Cc: vishwanath.somayaji@intel.com, dvhart@infradead.org, linux-kernel@vger.kernel.org, charles.d.prestopine@intel.com, Gayatri Kammela , Peter Zijlstra , Srinivas Pandruvada , Andy Shevchenko , Kan Liang , "David E . Box" , Rajneesh Bhardwaj , Tony Luck Subject: [PATCH v3 4/7] x86/intel_pmc_core: Make debugfs entry for pch_ip_power_gating_status conditional Date: Thu, 14 Nov 2019 09:01:17 -0800 Message-Id: <6d7ff4ccb09cfef1a16c08222368442bca9eaece.1573750525.git.gayatri.kammela@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Check if the platform supports and only then add a debugfs entry for PCH IP power gating status. Cc: Peter Zijlstra Cc: Srinivas Pandruvada Cc: Andy Shevchenko Cc: Kan Liang Cc: David E. Box Cc: Rajneesh Bhardwaj Cc: Tony Luck Reviewed-by: Tony Luck Signed-off-by: Gayatri Kammela --- drivers/platform/x86/intel_pmc_core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c index a945a0081ebe..fa91f3127460 100644 --- a/drivers/platform/x86/intel_pmc_core.c +++ b/drivers/platform/x86/intel_pmc_core.c @@ -788,8 +788,9 @@ static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev) debugfs_create_file("slp_s0_residency_usec", 0444, dir, pmcdev, &pmc_core_dev_state); - debugfs_create_file("pch_ip_power_gating_status", 0444, dir, pmcdev, - &pmc_core_ppfear_fops); + if (pmcdev->map->pfear_sts) + debugfs_create_file("pch_ip_power_gating_status", 0444, dir, + pmcdev, &pmc_core_ppfear_fops); debugfs_create_file("ltr_ignore", 0644, dir, pmcdev, &pmc_core_ltr_ignore_ops);