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 2565AC2D0A3 for ; Mon, 9 Nov 2020 10:35:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C74E52083B for ; Mon, 9 Nov 2020 10:35:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727077AbgKIKfr convert rfc822-to-8bit (ORCPT ); Mon, 9 Nov 2020 05:35:47 -0500 Received: from smtp.asem.it ([151.1.184.197]:57914 "EHLO smtp.asem.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726646AbgKIKfr (ORCPT ); Mon, 9 Nov 2020 05:35:47 -0500 Received: from webmail.asem.it by asem.it (smtp.asem.it) (SecurityGateway 6.5.2) with ESMTP id SG000594087.MSG for ; Mon, 09 Nov 2020 11:35:45 +0100S 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; Mon, 9 Nov 2020 11:35:44 +0100 Received: from ASAS044.asem.intra ([::1]) by ASAS044.asem.intra ([::1]) with mapi id 15.01.1979.003; Mon, 9 Nov 2020 11:35:44 +0100 From: Flavio Suligoi To: Andy Shevchenko CC: Mika Westerberg , "linux-acpi@vger.kernel.org" , "Rafael J. Wysocki" Subject: RE: How to add the "gpio-line-names" property in a PCI gpio expander Thread-Topic: How to add the "gpio-line-names" property in a PCI gpio expander Thread-Index: AdazWEAUpTjocun1TNeP3lXLN/Ph2wACVbgAAABK9IAABkeZAAAAulsAAALtYfAAHgxtAAAWS8WA///44YD/+8QuMIAIgj0A///vI2A= Date: Mon, 9 Nov 2020 10:35:43 +0000 Message-ID: <20306488dbf545d4bec94f52d1c5e332@asem.it> References: <98acf6339a1b43d6a38f867069088530@asem.it> <20201105115941.GK2495@lahna.fi.intel.com> <574b86929d1247caae717ab1a2f31194@asem.it> <20201105152020.GO2495@lahna.fi.intel.com> <5fb64f9c8af64235943c29c9ba50a2df@asem.it> <20201106070432.GQ2495@lahna.fi.intel.com> <20201106171727.GK4077@smile.fi.intel.com> <20201109103432.GU4077@smile.fi.intel.com> In-Reply-To: <20201109103432.GU4077@smile.fi.intel.com> 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="us-ascii" Content-Transfer-Encoding: 8BIT 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=0001.0A09020C.5FA91B80.0067,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 Hi Andy, > > Ok, I'll see how to integrate my PCI "investigation" about the > > identification of the correct path from the CPU to the final PCI > > device, through the various bridges of the board. > > I think that a general discourse about it can be useful to > > other people, too. > > I realized that here we have two items to document: > 1) the gpio-line-names property in [1]; > 2) PCI hierarchy in ACPI tables, which can be added into [3] under > the "PCI hierarchy representation" title or so. > > [3]: Documentation/firmware-guide/acpi/enumeration.rst OK, thanks for your guidelines! > > -- > With Best Regards, > Andy Shevchenko > Regards, Flavio