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=-3.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 37DA9C2B9F4 for ; Thu, 17 Jun 2021 09:13:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D118A613C1 for ; Thu, 17 Jun 2021 09:13:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D118A613C1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=cadence.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yOamaUhgYK04m8Wud5q7kObi0oQa7CjsyOsqD4fIX5w=; b=r2nlZV4X+Mwqki IvWafPRtx65yzOI89faKqRNNzjP5RFZNLqQiF5Ol8s4pij/Gv3WkmXrV6TJU2swz+z445h7J5rZCo y1PLCT2dd6llMviP+2oGDsB2mFh26v67/aaaJf6tRqnKWAtZdgciukdkJ4GkZ2cn5fDeki3+lPL/E 82mviDq6ldlYm+TUsr+gtWSpyF7HQd+MlJel74Lw8BEHDQCkeRhF93V43wPdjaJ0rCXjS8scdlOKx VWvoEiQ6MzG9dzVA0s0yS2aqj/CPjDmp7D+AFNo6kEzjiv4RdFfdv5ELHYjusrtEOilVKl83ZKxQa 4ZJvyKon8uq0U671rKIA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lto5K-009bwU-5W; Thu, 17 Jun 2021 09:13:14 +0000 Received: from mx0a-0014ca01.pphosted.com ([208.84.65.235]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lto5G-009bvf-Q7 for linux-i3c@lists.infradead.org; Thu, 17 Jun 2021 09:13:12 +0000 Received: from pps.filterd (m0042385.ppops.net [127.0.0.1]) by mx0a-0014ca01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 15H97bKm015813; Thu, 17 Jun 2021 02:13:06 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cadence.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=proofpoint; bh=aLJRIvF23mKYK8BFKh5fmT5WPZZA4exKC2Y2PtbTqko=; b=tjSRsDYV6SyX6x5lGdJUxp3i0cBd8cXMZR3j1eK2okKPEsuV0YzqbXU59xLlB2aUVNxM 5tzCV6fiJyci0Zq4eAr1RAORFHL/8HuJx7BlmnUUDEg16VyHnJ1rmcrjxDtCPR+jbde5 HQhxKZqDHKis2dSMAo3sv3GLeGmulqbThLIY+RSs5+4VtctYiPkMmHkG4FRQoFnRRU+V UKboW6XItj00SD+cUHvqgnDdK8K59r9G2Hdw+jMtbb6vVYWwAU2lHh67UrUzKb/psW0k qAtt6yXrD8NVfGXddlsd1JxmxlBc9PVf6K86sKDJabZAIwiQ3PC9qX/8UtVfz/OLCrD0 VQ== Received: from nam04-dm6-obe.outbound.protection.outlook.com (mail-dm6nam08lp2042.outbound.protection.outlook.com [104.47.73.42]) by mx0a-0014ca01.pphosted.com with ESMTP id 397ajd6467-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 17 Jun 2021 02:13:06 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=FxcQR9haPj1SLS521Kce7qDmcstjjSZNQbk4orrj3LUc0Jt0gsC3ItTU+q9Sdkgw+rXj3qvxzlwopdhJSFgbVrdE0Flm5vHsGSNr69yZ3XRTFw6Gj++pl83rQ9y6Bx2UB3FDoqUuITPUOMFHQiJF33Ja3gPmieQXWtPUHRYGcxLT92wwxMGaKon4nKwbJJZBfA+kemnC0+QY2j7Y1+cEQJDNHNg1u6ODOvwz7Bo3zmQtv7dO5lcdZIw2KJ9z3/4+12x7ADmecX8OvFX/XShiEgc69Ed9AgvDnB8GZB0Hp9xC9CCiU1PL5g3/ERa0Ax9qON9AKWG++xjsuUNAyUQyaQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=aLJRIvF23mKYK8BFKh5fmT5WPZZA4exKC2Y2PtbTqko=; b=WaQiP2vayI3JvTYzyf6G2fisPCoegF3umnCyN8duwwv1wzxmfjV5mNCDYsJ+xi3rlrM/vKL3Bfv4p5c/figqunLqlcqeezEMjuRVjMB0Ko7HrxrF+UpIbndfkqMWFpeSv2VglJh0rsQaMzl5O4/lEPLgbM/kbb1P3K03n8zt18irHcfzZVBq1GnhO76lYF39fIuU6mN6QmT2u8/4h6Je+mwlX4mAeqJcEjzVa3AEaxYDkFYOg5RRh8qfGgI9r7/h3WVtGqmOuHbPNKx8RCXlC099AEWruVwgeynx6ZcpmDAaAi7mLbqI9G+uJy0pbIPSFndaYdf05NGjple1CbfxuA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=cadence.com; dmarc=pass action=none header.from=cadence.com; dkim=pass header.d=cadence.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cadence.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=aLJRIvF23mKYK8BFKh5fmT5WPZZA4exKC2Y2PtbTqko=; b=jn8jpo1ewGpFFuSnbZaksu6ygfARYyW+6kJEqIe522rds/iM3BvcIVsih03XjaJ5q1xp7BXxFdKCB20c0yuzKztcq6vQC08qBHrxstIyP+5ILLVLRGPNrnOwKV+iSnzTJui+rj+StCMGDQr9t0a1QB/Nv06muMM75rxrSuNSr64= Received: from CY4PR07MB2757.namprd07.prod.outlook.com (2603:10b6:903:22::20) by CY4PR07MB3512.namprd07.prod.outlook.com (2603:10b6:910:75::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4195.23; Thu, 17 Jun 2021 09:13:03 +0000 Received: from CY4PR07MB2757.namprd07.prod.outlook.com ([fe80::4096:aaf6:cdb7:ba46]) by CY4PR07MB2757.namprd07.prod.outlook.com ([fe80::4096:aaf6:cdb7:ba46%9]) with mapi id 15.20.4242.021; Thu, 17 Jun 2021 09:13:02 +0000 From: Parshuram Raju Thombare To: Alexandre Belloni CC: "slongerbeam@gmail.com" , "vitor.soares@synopsys.com" , "linux-i3c@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Milind Parab , "praneeth@ti.com" Subject: RE: [PATCH v10 6/7] i3c: master: sysfs key for acquire bus Thread-Topic: [PATCH v10 6/7] i3c: master: sysfs key for acquire bus Thread-Index: AQHWxuDh12Y7IqfMlEOh9hbglXG+fKsL75kAgA0zb6A= Date: Thu, 17 Jun 2021 09:13:02 +0000 Message-ID: References: <1606716983-3645-1-git-send-email-pthombar@cadence.com> <1606717202-4206-1-git-send-email-pthombar@cadence.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-dg-ref: PG1ldGE+PGF0IG5tPSJib2R5LnR4dCIgcD0iYzpcdXNlcnNccHRob21iYXJcYXBwZGF0YVxyb2FtaW5nXDA5ZDg0OWI2LTMyZDMtNGE0MC04NWVlLTZiODRiYTI5ZTM1Ylxtc2dzXG1zZy0zNTVkYTk3Yy1jZjRjLTExZWItODYzMy0xMDY1MzBlZjIyZjVcYW1lLXRlc3RcMzU1ZGE5N2UtY2Y0Yy0xMWViLTg2MzMtMTA2NTMwZWYyMmY1Ym9keS50eHQiIHN6PSI1MTkiIHQ9IjEzMjY4Mzk0Nzc5NDgyNTU1MCIgaD0id1pNVTB5YWRzSnVreXM4R1kvZXZXaFNDSXlRPSIgaWQ9IiIgYmw9IjAiIGJvPSIxIi8+PC9tZXRhPg== x-dg-rorf: true authentication-results: bootlin.com; dkim=none (message not signed) header.d=none;bootlin.com; dmarc=none action=none header.from=cadence.com; x-originating-ip: [59.145.174.78] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7310d45c-a9db-48e5-2589-08d931701c3f x-ms-traffictypediagnostic: CY4PR07MB3512: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:CY4PR07MB2757.namprd07.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(136003)(346002)(376002)(366004)(39860400002)(396003)(36092001)(33656002)(66476007)(66556008)(66446008)(66946007)(76116006)(64756008)(122000001)(316002)(4326008)(52536014)(71200400001)(4744005)(478600001)(83380400001)(38100700002)(2906002)(8676002)(5660300002)(6916009)(86362001)(6506007)(8936002)(7696005)(9686003)(55016002)(186003)(26005)(54906003); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?eRawhxPFun4DX0r2SD9yNcVk3zfbvApyqrCaVLWZ7gGvuj6h/i++MDYa1O+Q?= =?us-ascii?Q?kOyUM0FAh23PV1xT15yFXgIlLPW3QLkL/NhEmftdgGFoMOSNAvSUOorjMCeN?= =?us-ascii?Q?+xK9V5W0wLSbMHfCfVPKCb21EMwUxn0fGcII8FlwX2KiBlUzRYYlXIxdtD+z?= =?us-ascii?Q?ZKkFA2SOh0SWIPqZ/FmaxHtxFmp8UO5PPHCyel2udxJ0I0Ujvar+37MTC8cZ?= =?us-ascii?Q?0ZH2bRF9z1o//1MkayaCukLjjS0QgeGzAhQHuM9dZ45gCf6N+/NV1nml7FBY?= =?us-ascii?Q?ctYvei7oG7DYxi4Esetd3Nmg7lQwyPBu8Kq2VC7hlDdvaW9RdteIA7YvqCig?= =?us-ascii?Q?cnUcGVjUZExFBbJdy5jYtG166Lq3WVZ6FKzNs2uoA1kf7jyXcXvQb30nk1c7?= =?us-ascii?Q?cqb+d3buI+qBBO08ZQxeyUGQ+O2CtdpdQocsAck20LOAwGqvZqv8Se+ayx4W?= =?us-ascii?Q?OSgnSFs2mwlr9xsELY2h+bwHDy4eGQd3D8i+Y5SZnUaa8TbZwokKHNcI6P2P?= =?us-ascii?Q?0pPO74D530BiiYpltKOToDxuRqmOrAcK+ifAyrCjw4/BvQGpBZDZAgSyAa2q?= =?us-ascii?Q?Py8cW7OxfvBFTFY2QSOQVNPE9/BGNe73Qj0oV0i/CIkYzJE7xsQqTRx1PJdP?= =?us-ascii?Q?swNOcoVim6HU+d961EStZI0vogXSVkltKrHqjDUeYHNadzHiYMQGVHk+cGXE?= =?us-ascii?Q?X2QoqlRk/6vcXbWJE5byZpCOVUxGz9hEiL3/5NJW78Kx4hf2doiOlVb1QHpT?= =?us-ascii?Q?mZXi17oSquRAyC0tCRSkZUILrR2PypjX+Du15nmT6jpUnR6UxvKsXK+dxKv0?= =?us-ascii?Q?7MVMmUPrKsjnTAy0m0qs+pjbokf+uVzawkj/yGfyGp87FR9XQ9GdwawMbF+n?= =?us-ascii?Q?NdfZjsJ3Xem5cDeFJRZoUo8YJ6SkAfFIDaAtwrRys1Zig+bRiT600Z9NKnyC?= =?us-ascii?Q?dRvSUvNCeSNV8eyKxUS5iyo0CaMEHhKKZaN0imzTeLlg4/1yQpHlioGhsLlm?= =?us-ascii?Q?pLVCBDorY5vyFsbRXctU5MJclFx3iqWzyr56TTCMhdFx7RP5AsZjsAd1rFD5?= =?us-ascii?Q?HxvIe0yz4qPVMVUURKPYwcBkWajiDjjGH6UnjYv4q5OEka3DI8YZFW58jFjX?= =?us-ascii?Q?hgee7JGHKZHf9VmTOHS3RwTT7QVNnsCI9jvWDzS1wjmYlxouFxvJGpKiLkhB?= =?us-ascii?Q?hCJYs8dvdJYbINsSDjFXNKgX4Pd2J0u7q8FxB6OcNcaaLp71QbEBpCXH73jQ?= =?us-ascii?Q?UUe4ivIBRPeuc5l8pusUWAc5u07/K0rIRQYtJMYFtoikq1sJPAEhU8HQqouS?= =?us-ascii?Q?yask/QBamLO65B4AlkTDG6uB?= MIME-Version: 1.0 X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CY4PR07MB2757.namprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7310d45c-a9db-48e5-2589-08d931701c3f X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jun 2021 09:13:02.6385 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: zC2WGazf+d9g4p61TeaRpGshgRX6UmTpPNXcLlvlKkytKXJqKJqswKrqqXrGLa0onP0cWfu2k8Q9FGrTEHSorog9jwMoHiAf1uU6mOaWLsM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR07MB3512 X-Proofpoint-GUID: UASfbYiK_SYS8cqJ38WSwsMecUlCeZxm X-Proofpoint-ORIG-GUID: UASfbYiK_SYS8cqJ38WSwsMecUlCeZxm X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-06-17_05:2021-06-15, 2021-06-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 suspectscore=0 spamscore=0 mlxlogscore=763 lowpriorityscore=0 priorityscore=1501 phishscore=0 impostorscore=0 adultscore=0 bulkscore=0 mlxscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2106170064 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210617_021311_180907_41E0FA25 X-CRM114-Status: GOOD ( 12.60 ) X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org >I'm wondering whether we should allow userspace to actually control >that. Shouldn't we simply request mastership when a driver needs to talk >to a device on the bus? Is it really useful to have that until there is >an i3c-dev userspace interface? Yes, for now it is useful for nothing more than triggering mastership request from user space. It can be dropped and added later if needed for i3c-dev user space interface. -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c