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=-9.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,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 2DAF4C43381 for ; Fri, 22 Mar 2019 20:26:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E579021841 for ; Fri, 22 Mar 2019 20:26:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amdcloud.onmicrosoft.com header.i=@amdcloud.onmicrosoft.com header.b="N+tWpL2A" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728012AbfCVU05 (ORCPT ); Fri, 22 Mar 2019 16:26:57 -0400 Received: from mail-eopbgr690060.outbound.protection.outlook.com ([40.107.69.60]:13587 "EHLO NAM04-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727622AbfCVU0g (ORCPT ); Fri, 22 Mar 2019 16:26:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amd-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=eDBnmRyB6YcunDpJyxb2sjeaLzvnMtsbC/pqnZSrg0o=; b=N+tWpL2AIWvwWCG5tD5wIP+Ty6L95x58xy+GNw2P88H7YhM2HxzGRr1kLRwSMi8LG/CxKFmeVswIDnlriprihupheP+rvk8XSyGFkbZ6H16CBaxZSPHOpJn8dl0eyV9BTOhcBA/F2Xrw93aAWenG3x5+NcfczTZMCHt1irfXZ/k= Received: from SN6PR12MB2736.namprd12.prod.outlook.com (52.135.107.27) by SN6PR12MB2687.namprd12.prod.outlook.com (52.135.103.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1730.16; Fri, 22 Mar 2019 20:26:00 +0000 Received: from SN6PR12MB2736.namprd12.prod.outlook.com ([fe80::9584:f1be:656e:b00b]) by SN6PR12MB2736.namprd12.prod.outlook.com ([fe80::9584:f1be:656e:b00b%5]) with mapi id 15.20.1709.015; Fri, 22 Mar 2019 20:26:00 +0000 From: "Natarajan, Janakarajan" To: "linux-acpi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-pm@vger.kernel.org" , "devel@acpica.org" CC: "Rafael J . Wysocki" , Len Brown , Viresh Kumar , Robert Moore , Erik Schmauss , "Ghannam, Yazen" , "Natarajan, Janakarajan" Subject: [PATCH 2/6] acpi/cppc: Modify show_cppc_data macro Thread-Topic: [PATCH 2/6] acpi/cppc: Modify show_cppc_data macro Thread-Index: AQHU4O1279XO3Ni5CkWTaxJe5psZ4A== Date: Fri, 22 Mar 2019 20:26:00 +0000 Message-ID: <5b049c67394c96a21f561399e577ff5dbf1fa0a4.1553285718.git.Janakarajan.Natarajan@amd.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SN4PR0201CA0011.namprd02.prod.outlook.com (2603:10b6:803:2b::21) To SN6PR12MB2736.namprd12.prod.outlook.com (2603:10b6:805:77::27) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Janakarajan.Natarajan@amd.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-originating-ip: [165.204.78.2] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 6d880b2e-954f-41ac-ee39-08d6af0498d6 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(4618075)(2017052603328)(7153060)(7193020);SRVR:SN6PR12MB2687; x-ms-traffictypediagnostic: SN6PR12MB2687: x-microsoft-antispam-prvs: x-forefront-prvs: 09840A4839 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(346002)(366004)(39860400002)(396003)(136003)(376002)(189003)(199004)(7736002)(11346002)(71190400001)(5660300002)(14454004)(71200400001)(478600001)(6436002)(446003)(72206003)(2616005)(476003)(305945005)(97736004)(68736007)(2501003)(6486002)(14444005)(256004)(105586002)(486006)(118296001)(54906003)(53936002)(110136005)(81166006)(2906002)(81156014)(25786009)(99286004)(6512007)(106356001)(8936002)(36756003)(50226002)(102836004)(4326008)(26005)(6116002)(2201001)(6506007)(66066001)(3846002)(76176011)(316002)(386003)(86362001)(52116002)(186003)(8676002);DIR:OUT;SFP:1101;SCL:1;SRVR:SN6PR12MB2687;H:SN6PR12MB2736.namprd12.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: amd.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: Vv/dmoG57YpzsbwBnb8CYfF827HeUnH6FpdX93/5MZHUOGiLwRaipZz+nhbcDtsP2eMx02/VE1nv3iWNY7mVxgM5sORT9v0m81IxsW+Ft0pC23K+XVcPVAALYXSM3o91/zgVuLdy/BcLkHlEik0Q58JoGwCBSiKugyNGAhWlP+lnJIFq+8K8fjN3kFfnXzVgSSyTBunTQaOeNeuYszX448T8QrsEfQ0/pTJbDM8ckSEfC/C/85LuW8SJa7pbneeZrUCNrIW3hd4MOtn0N1R5RfsZgFf6Q8zDTyTqvgTWmczNq2zm6sc+oqO2y/vRJ7c+RDk+qcTe2PzHZ7S3u8BfVxp/2OAqF/br1joX2gzIDur0IZlN25mWkUX5SUpyGROnkVqjML3+RoDhG8poP4RrdsN/6ZNWe6eTGsMt8WovPYM= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6d880b2e-954f-41ac-ee39-08d6af0498d6 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Mar 2019 20:26:00.2869 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR12MB2687 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yazen Ghannam The show_cppc_data macro implicity uses define_one_cppc_ro. This will prevent the creation of an attribute with read and write permissions. Create a separate macro that defines a show attribute and creates a read-only sysfs entry. This is in preparation for adding a macro to create sysfs entries with read+write permission. Signed-off-by: Yazen Ghannam [ carved out into a patch, cleaned up, productized ] Signed-off-by: Janakarajan Natarajan --- drivers/acpi/cppc_acpi.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 66fad270376c..9daeb0b034d5 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -151,17 +151,20 @@ __ATTR(_name, 0444, show_##_name, NULL) return scnprintf(buf, PAGE_SIZE, "%llu\n", \ (u64)st_name.member_name); \ } \ + +#define show_cppc_data_ro(access_fn, struct_name, member_name) \ + show_cppc_data(access_fn, struct_name, member_name) \ define_one_cppc_ro(member_name) =20 -show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, highest_perf); -show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, lowest_perf); -show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, nominal_perf); -show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, lowest_nonlinear_perf); -show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, lowest_freq); -show_cppc_data(cppc_get_perf_caps, cppc_perf_caps, nominal_freq); +show_cppc_data_ro(cppc_get_perf_caps, cppc_perf_caps, highest_perf); +show_cppc_data_ro(cppc_get_perf_caps, cppc_perf_caps, lowest_perf); +show_cppc_data_ro(cppc_get_perf_caps, cppc_perf_caps, nominal_perf); +show_cppc_data_ro(cppc_get_perf_caps, cppc_perf_caps, lowest_nonlinear_per= f); +show_cppc_data_ro(cppc_get_perf_caps, cppc_perf_caps, lowest_freq); +show_cppc_data_ro(cppc_get_perf_caps, cppc_perf_caps, nominal_freq); =20 -show_cppc_data(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, reference_perf); -show_cppc_data(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, wraparound_time); +show_cppc_data_ro(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, reference_perf); +show_cppc_data_ro(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, wraparound_time); =20 static ssize_t show_feedback_ctrs(struct kobject *kobj, struct attribute *attr, char *buf) --=20 2.17.1