From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 9B167C4360C for ; Thu, 26 Sep 2019 18:42:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6956A207FF for ; Thu, 26 Sep 2019 18:42:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728506AbfIZSm5 (ORCPT ); Thu, 26 Sep 2019 14:42:57 -0400 Received: from mga05.intel.com ([192.55.52.43]:57431 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728477AbfIZSmw (ORCPT ); Thu, 26 Sep 2019 14:42:52 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Sep 2019 11:42:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,552,1559545200"; d="scan'208";a="214574513" Received: from gayuk-dev-mach.sc.intel.com ([10.3.79.161]) by fmsmga004.fm.intel.com with ESMTP; 26 Sep 2019 11:42:52 -0700 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 v1 3/5] x86/intel_pmc_core: Make debugfs entry for pch_ip_power_gating_status conditional Date: Thu, 26 Sep 2019 12:26:01 -0700 Message-Id: <20190926192603.18647-4-gayatri.kammela@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190926192603.18647-1-gayatri.kammela@intel.com> References: <20190926192603.18647-1-gayatri.kammela@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 c6a0c29d3476..ea43a5989c96 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); -- 2.17.1