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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 238BFC4363D for ; Fri, 2 Oct 2020 10:02:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C8379206E3 for ; Fri, 2 Oct 2020 10:02:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726329AbgJBKCX (ORCPT ); Fri, 2 Oct 2020 06:02:23 -0400 Received: from smtp.asem.it ([151.1.184.197]:53067 "EHLO smtp.asem.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725993AbgJBKCX (ORCPT ); Fri, 2 Oct 2020 06:02:23 -0400 Received: from webmail.asem.it by asem.it (smtp.asem.it) (SecurityGateway 6.5.2) with ESMTP id SG000519725.MSG for ; Fri, 02 Oct 2020 12:02:20 +0200S Received: from ASAS044.asem.intra (172.16.16.44) by ASAS044.asem.intra (172.16.16.44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Fri, 2 Oct 2020 12:02:19 +0200 Received: from ASAS044.asem.intra ([::1]) by ASAS044.asem.intra ([::1]) with mapi id 15.01.1979.003; Fri, 2 Oct 2020 12:02:19 +0200 From: Flavio Suligoi To: Andy Shevchenko CC: Bartosz Golaszewski , "linux-gpio@vger.kernel.org" , "linux-acpi@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: How to use an ACPI declared GPIO in a userspace ... Thread-Topic: How to use an ACPI declared GPIO in a userspace ... Thread-Index: AdaWdniTedAZ6+9wQdyYYgE5sQ27yP//4UoAgAAGTYD//91o0IAAJ14A//6Yg1CAAsA0gP//s0vAAA+m6wAAAI1qgP/9IPng Date: Fri, 2 Oct 2020 10:02:19 +0000 Message-ID: <757023db21e642a3a4b6d33428c191cc@asem.it> References: <9152bb8be33e4192a7766eb53c6ca9af@asem.it> <22753b53cd7d4dfba4ef3610f71cc462@asem.it> <20200930130113.GQ3956970@smile.fi.intel.com> <2c26adae711145639d0b982a354aff3c@asem.it> In-Reply-To: Accept-Language: it-IT, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.17.208] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-SGHeloLookup-Result: pass smtp.helo=webmail.asem.it (ip=172.16.16.44) X-SGSPF-Result: none (smtp.asem.it) X-SGOP-RefID: str=0001.0A09020E.5F76FAAC.0038,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 (_st=1 _vt=0 _iwf=0) Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org SGkgQW5keSwNCg0Kc29ycnkgZm9yIHRoZSBkZWxheSENCg0KPiA+ID4gTXkgU1NEVCB0YWJsZSBp czoNCj4gPg0KPiA+IF5eXl4gU2VlIHRoZSBkaWZmZXJlbmNlPyBJIGNhbid0IGhlbHAgaGVyZS4N Cg0KVGhpcyBpcyB0aGUgRFNEVCB0YWJsZSByZWxhdGVkIHRvIHRoZSBHUElPIGNvbnRyb2xsZXIg b2YgbXkgYm9hcmQ6DQoNCkRldmljZSAoR1BPMSkNCiAgICAgICAgew0KICAgICAgICAgICAgTmFt ZSAoX0FEUiwgWmVybykgIC8vIF9BRFI6IEFkZHJlc3MNCiAgICAgICAgICAgIE5hbWUgKF9ISUQs ICJJTlQzNDUyIikgIC8vIF9ISUQ6IEhhcmR3YXJlIElEDQogICAgICAgICAgICBOYW1lIChfQ0lE LCAiSU5UMzQ1MiIpICAvLyBfQ0lEOiBDb21wYXRpYmxlIElEDQogICAgICAgICAgICBOYW1lIChf REROLCAiR2VuZXJhbCBQdXJwb3NlIElucHV0L091dHB1dCAoR1BJTykgQ29udHJvbGxlciAtIE5v cnRod2VzdCIpICAvLyBfREROOiBET1MgRGV2aWNlIE5hbWUNCiAgICAgICAgICAgIE5hbWUgKF9V SUQsIDB4MDIpICAvLyBfVUlEOiBVbmlxdWUgSUQNCiAgICAgICAgICAgIE5hbWUgKFJCVUYsIFJl c291cmNlVGVtcGxhdGUgKCkNCiAgICAgICAgICAgIHsNCiAgICAgICAgICAgICAgICBNZW1vcnkz MkZpeGVkIChSZWFkV3JpdGUsDQogICAgICAgICAgICAgICAgICAgIDB4MDAwMDAwMDAsICAgICAg ICAgLy8gQWRkcmVzcyBCYXNlDQogICAgICAgICAgICAgICAgICAgIDB4MDAwMDQwMDAsICAgICAg ICAgLy8gQWRkcmVzcyBMZW5ndGgNCiAgICAgICAgICAgICAgICAgICAgX1kwOCkNCiAgICAgICAg ICAgICAgICBJbnRlcnJ1cHQgKFJlc291cmNlQ29uc3VtZXIsIExldmVsLCBBY3RpdmVMb3csIFNo YXJlZCwgLCwgKQ0KICAgICAgICAgICAgICAgIHsNCiAgICAgICAgICAgICAgICAgICAgMHgwMDAw MDAwRSwNCiAgICAgICAgICAgICAgICB9DQogICAgICAgICAgICB9KQ0KICAgICAgICAgICAgTWV0 aG9kIChfQ1JTLCAwLCBOb3RTZXJpYWxpemVkKSAgLy8gX0NSUzogQ3VycmVudCBSZXNvdXJjZSBT ZXR0aW5ncw0KICAgICAgICAgICAgew0KICAgICAgICAgICAgICAgIENyZWF0ZURXb3JkRmllbGQg KFJCVUYsIFxfU0IuR1BPMS5fWTA4Ll9CQVMsIEIwQkEpICAvLyBfQkFTOiBCYXNlIEFkZHJlc3MN CiAgICAgICAgICAgICAgICBDcmVhdGVEV29yZEZpZWxkIChSQlVGLCBcX1NCLkdQTzEuX1kwOC5f TEVOLCBCMExOKSAgLy8gX0xFTjogTGVuZ3RoDQogICAgICAgICAgICAgICAgQjBCQSA9IEdQMUEg LyogXEdQMUEgKi8NCiAgICAgICAgICAgICAgICBCMExOID0gR1AxTCAvKiBcR1AxTCAqLw0KICAg ICAgICAgICAgICAgIFJldHVybiAoUkJVRikgLyogXF9TQl8uR1BPMS5SQlVGICovDQogICAgICAg ICAgICB9DQoNCiAgICAgICAgICAgIE1ldGhvZCAoX1NUQSwgMCwgTm90U2VyaWFsaXplZCkgIC8v IF9TVEE6IFN0YXR1cw0KICAgICAgICAgICAgew0KICAgICAgICAgICAgICAgIElmICgoT1NZUyA8 IDB4MDdEQykpDQogICAgICAgICAgICAgICAgew0KICAgICAgICAgICAgICAgICAgICBSZXR1cm4g KFplcm8pDQogICAgICAgICAgICAgICAgfQ0KDQogICAgICAgICAgICAgICAgUmV0dXJuICgweDBG KQ0KICAgICAgICAgICAgfQ0KICAgICAgICB9DQoNCiANCj4gLS0NCj4gV2l0aCBCZXN0IFJlZ2Fy ZHMsDQo+IEFuZHkgU2hldmNoZW5rbw0KDQpCZXN0IHJlZ2FyZHMsDQoNCkZsYXZpbw0K