From patchwork Tue Nov 12 04:06:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kammela, Gayatri" X-Patchwork-Id: 11238535 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 27A8214ED for ; Tue, 12 Nov 2019 04:07:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0F8822067B for ; Tue, 12 Nov 2019 04:07:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727100AbfKLEGs (ORCPT ); Mon, 11 Nov 2019 23:06:48 -0500 Received: from mga14.intel.com ([192.55.52.115]:34570 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726927AbfKLEGs (ORCPT ); Mon, 11 Nov 2019 23:06:48 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Nov 2019 20:06:47 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,295,1569308400"; d="scan'208";a="202576655" Received: from unknown (HELO gayuk-dev-mach.sc.intel.com) ([10.3.79.161]) by fmsmga007.fm.intel.com with ESMTP; 11 Nov 2019 20:06:47 -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 v2 4/6] x86/intel_pmc_core: Make debugfs entry for pch_ip_power_gating_status conditional Date: Mon, 11 Nov 2019 20:06:29 -0800 Message-Id: <6d7ff4ccb09cfef1a16c08222368442bca9eaece.1573529092.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);