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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 ABDDDC3A59B for ; Fri, 30 Aug 2019 18:41:00 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 81D932342F for ; Fri, 30 Aug 2019 18:41:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="Wvlyj4Hf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 81D932342F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 3FEEA617B; Fri, 30 Aug 2019 18:41:00 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 2D2C66022 for ; Fri, 30 Aug 2019 18:40:06 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from nat-hk.nvidia.com (nat-hk.nvidia.com [203.18.50.4]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id C1698E6 for ; Fri, 30 Aug 2019 18:40:02 +0000 (UTC) Received: from hkpgpgate102.nvidia.com (Not Verified[10.18.92.100]) by nat-hk.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Sat, 31 Aug 2019 02:40:04 +0800 Received: from HKMAIL103.nvidia.com ([10.18.16.12]) by hkpgpgate102.nvidia.com (PGP Universal service); Fri, 30 Aug 2019 11:40:00 -0700 X-PGP-Universal: processed; by hkpgpgate102.nvidia.com on Fri, 30 Aug 2019 11:40:00 -0700 Received: from HKMAIL102.nvidia.com (10.18.16.11) by HKMAIL103.nvidia.com (10.18.16.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 30 Aug 2019 18:39:58 +0000 Received: from NAM05-BY2-obe.outbound.protection.outlook.com (104.47.50.55) by HKMAIL102.nvidia.com (10.18.16.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Fri, 30 Aug 2019 18:39:58 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=kAFo6ZD+gtWAnflM+tvX84w9OsBuJYdkZfJzhanf7mptGYh70dJCtP0/zaS9wkNUSgb7lLHM25l4j342Wqbdyk4hWvmChihEAor7/WPDB9P9azZm+W4Ic1/rWe+2Og2ZZrhaUShvM0m2IvXJU3qL47Iu0KXV8AtkliI5G8CiJDdPX/0TA19B81VCnyQ7Q3/6JMxAbemgjGKtC3T8fMAjjnkESVaPax9vcRhebdla+IYH4yKZh4t/tW+y95QOvRZiiG8qVMOUrmwFcHsQgMycbxSmmi/Anz5lpE+/SY3mQTqahH5KuLFkRqooAYP+PcRjoSquuoSHrpik44Dl6ozPnQ== 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=nOIrub0GG5GdEx6ukwJwd7Nt+n/r7td696T06hV9ESs=; b=Z96ySNdKTJYCbp8YTO2PdFzTGMwAsvlx8LUdYDWpwKChY7/OHaq37ECh4RAl9TbtKxYlzkndxbJD75sdBE9kXCl3ggsycRwooWuaUmhj2w5vyWmmG6KHLd2Nj9fyLJq3iRkt/DLVhRGx4Bn6UDUu3WBaTv5OYDvAGZkNlEW2mzAyVyMB4gNSuKusOgZ1WZal+fZhMjQ/EdO0eaC7cGXnT9Yukn/65gzMZI1GvbXleN7qriLCmTDs6mH4HkaZoAXMF/lfDEPiPMXk2vl/kfvnuuxUDEPnlQIFsD3HTy7U3VHCh1qPQWcTpRuU7f6gVIVZB/C80fypZ2/+k2Wqe2oJvw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none Received: from BYAPR12MB2710.namprd12.prod.outlook.com (20.177.124.11) by BYAPR12MB2758.namprd12.prod.outlook.com (20.177.125.223) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2199.20; Fri, 30 Aug 2019 18:39:56 +0000 Received: from BYAPR12MB2710.namprd12.prod.outlook.com ([fe80::60a8:9757:8be2:2c56]) by BYAPR12MB2710.namprd12.prod.outlook.com ([fe80::60a8:9757:8be2:2c56%6]) with mapi id 15.20.2220.013; Fri, 30 Aug 2019 18:39:56 +0000 From: Krishna Reddy To: Mikko Perttunen Subject: RE: [PATCH 6/7] arm64: tegra: Add DT node for T194 SMMU Thread-Topic: [PATCH 6/7] arm64: tegra: Add DT node for T194 SMMU Thread-Index: AQHVXruJJaNjwNgb20yUxCVyNgmdfqcTmhgAgABsKyA= Date: Fri, 30 Aug 2019 18:39:56 +0000 Message-ID: References: <1567118827-26358-1-git-send-email-vdumpa@nvidia.com> <1567118827-26358-7-git-send-email-vdumpa@nvidia.com> In-Reply-To: Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_6b558183-044c-4105-8d9c-cea02a2a3d86_Enabled=True; MSIP_Label_6b558183-044c-4105-8d9c-cea02a2a3d86_SiteId=43083d15-7273-40c1-b7db-39efd9ccc17a; MSIP_Label_6b558183-044c-4105-8d9c-cea02a2a3d86_Owner=VDUMPA@nvidia.com; MSIP_Label_6b558183-044c-4105-8d9c-cea02a2a3d86_SetDate=2019-08-30T18:39:53.6480000Z; MSIP_Label_6b558183-044c-4105-8d9c-cea02a2a3d86_Name=Unrestricted; MSIP_Label_6b558183-044c-4105-8d9c-cea02a2a3d86_Application=Microsoft Azure Information Protection; MSIP_Label_6b558183-044c-4105-8d9c-cea02a2a3d86_ActionId=a7db7ccb-ad06-4e30-8dc0-dd6a83dc6893; MSIP_Label_6b558183-044c-4105-8d9c-cea02a2a3d86_Extended_MSFT_Method=Automatic authentication-results: spf=none (sender IP is ) smtp.mailfrom=vdumpa@nvidia.com; x-originating-ip: [216.228.112.21] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a38429d5-3fbe-4d0e-7bb4-08d72d7974ba x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:BYAPR12MB2758; x-ms-traffictypediagnostic: BYAPR12MB2758: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:5236; x-forefront-prvs: 0145758B1D x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(366004)(376002)(136003)(396003)(39860400002)(346002)(199004)(189003)(11346002)(71190400001)(55016002)(14454004)(229853002)(9686003)(6436002)(74316002)(25786009)(478600001)(6246003)(54906003)(66446008)(66556008)(305945005)(66476007)(4326008)(76116006)(7736002)(3846002)(6116002)(64756008)(66946007)(52536014)(5660300002)(53936002)(316002)(8676002)(7696005)(76176011)(486006)(14444005)(81156014)(66066001)(8936002)(4744005)(81166006)(2906002)(6506007)(476003)(6916009)(86362001)(186003)(26005)(102836004)(99286004)(71200400001)(256004)(33656002)(446003); DIR:OUT; SFP:1101; SCL:1; SRVR:BYAPR12MB2758; H:BYAPR12MB2710.namprd12.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nvidia.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: KYN5d0lS05xxaQBF2FZArZC6zkU0Rzqf0nkJ+Do1OkCuqABfiqnKl0jU/doEmf2zwKKAxR6Z3bydvYWmmfdsKBoYP36nPs9cxLI5V/CwWJPlGnwg1jLX6dtj2+Y3x+H6cL4JOW06jNszLOKq67FIZ+MqOfKqf7zpm1eABlWAU6eAOGvut+fGJBRycQy4ucbysCDC1wFtvyuOiPwLtRoykvm3qqprkWtt2EZtmTd6y7OhyWDXBxlMw+mcYl3dXBpSH+1KsuYi6bDGClw8XC77Z/A0xzSLOIWlz9Z9L4ZnXrto7i69CwT5l5EYz/UbWONF4JqEM2/7wCAIcEbfMVFAb0CEEeCqG5VhZjjSwA/OKQG9SFMTIQRfaDxvJ8E618eH8RRjiWUNjYDEeqEdxlxTZfh5l29xj9q9iVvlq3x3r+c= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: a38429d5-3fbe-4d0e-7bb4-08d72d7974ba X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Aug 2019 18:39:56.7136 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 8xrW0bC/ukeXc7UJGHkE3MKH1lXhWmympJ9WXt99HsIx9FS82JxwPJGWeibUnJreGs1Ys1Q1rC8tA9//gP8Dyw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB2758 X-OriginatorOrg: Nvidia.com Content-Language: en-US DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1567190404; bh=nOIrub0GG5GdEx6ukwJwd7Nt+n/r7td696T06hV9ESs=; h=X-PGP-Universal:ARC-Seal:ARC-Message-Signature: ARC-Authentication-Results:From:To:CC:Subject:Thread-Topic: Thread-Index:Date:Message-ID:References:In-Reply-To: Accept-Language:X-MS-Has-Attach:X-MS-TNEF-Correlator:msip_labels: authentication-results:x-originating-ip:x-ms-publictraffictype: x-ms-office365-filtering-correlation-id:x-microsoft-antispam: x-ms-traffictypediagnostic:x-ms-exchange-transport-forked: x-microsoft-antispam-prvs:x-ms-oob-tlc-oobclassifiers: x-forefront-prvs:x-forefront-antispam-report:received-spf: x-ms-exchange-senderadcheck:x-microsoft-antispam-message-info: MIME-Version:X-MS-Exchange-CrossTenant-Network-Message-Id: X-MS-Exchange-CrossTenant-originalarrivaltime: X-MS-Exchange-CrossTenant-fromentityheader: X-MS-Exchange-CrossTenant-id:X-MS-Exchange-CrossTenant-mailboxtype: X-MS-Exchange-CrossTenant-userprincipalname: X-MS-Exchange-Transport-CrossTenantHeadersStamped:X-OriginatorOrg: Content-Language:Content-Type:Content-Transfer-Encoding; b=Wvlyj4HfkLWitNtAHC+O7EcfSCLt7YDxqjsOyygGErNsAHGN8MF+Sq7Rc/DRuzKBL S/iW1xX+jRxsbaLmNWzyGrT3w+REevtJjCCvnAxtF1n+9wMtOrcxd+8tTAEnORqXzj B+aQ4C0W5eUI0cpiY1hwNaQz7wkP4uT5CASMd6hmyDnhv+L0hDDLYNNM+3NyKQTSPh fZ3WUhNLAaQIwMlnEmJH1BfrkCG2aeVonsVEJR834PntfjTTbepk99/gt/kY9kKGeO XNXc46cvGlyakxH0irrrYMO3oN3HhfrnTeuEpxZxE1ybPsiqWC5vA9snXugY06Qs27 7Ye8qnG6yzsvw== Cc: Sachin Nikam , "Thomas Zeng \(SW-TEGRA\)" , Juha Tukkinen , Mikko Perttunen , Pritesh Raithatha , "will.deacon@arm.com" , "iommu@lists.linux-foundation.org" , "linux-kernel@vger.kernel.org" , Timo Alho , Yu-Huan Hsu , "linux-tegra@vger.kernel.org" , Thierry Reding , Alexander Van Brunt , "linux-arm-kernel@lists.infradead.org" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org >> + smmu: iommu@12000000 { >> + compatible = "nvidia,smmu-v2"; >Should we have a compatibility string like "nvidia,tegra194-smmu" so that we can have other chips with SMMUv2 that could be different? As pointed by Robin as well, as Nvidia hasn't modified ARM MMU-500 implementation, we can update it to specific chip based. Let me update. -KR _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu