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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F192ACD11C2 for ; Wed, 10 Apr 2024 07:45:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:From:References:Cc:To: Subject:Date:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5bQIG8ENAH8fWQVOWq6+J/4Hk9dpaFWruioxFkNDcaE=; b=I/9SAQmmm0AEB8S9h0kJyM3Zm9 dqQyrzfhfpXCvDdt70qMvzW5UvkDtH/E9MP8QtICCknUVEIpLXn24cHsY+q15PDUUJQ9suXboJySH DXlu3E4oNEv/AQvf+H33y5pDDTdw6fxGe42KXhEke2ELP+8KELjazZ47Xt59thSZZnfpVFpezfQ8o pLNlLD7DmmUqKYjerS3MRmNbiJEqBucvVD7pEqJqvNqekKh4fSqt8b0GkUkE2DZNVEuVwG010tb2C oe1dJsozF+mFefFvhFkuYxZk4dVBofnTmAN6UW6HIX+w8v6cyhNEZu7nSeFFabMiWMYp6AAZzOgUW /Pd9x5zQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1ruSdj-00000005fqB-2Kp7; Wed, 10 Apr 2024 07:45:03 +0000 Received: from mail-dm6nam10on20700.outbound.protection.outlook.com ([2a01:111:f400:7e88::700] helo=NAM10-DM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1ruSdg-00000005fnl-11a5 for linux-arm-kernel@lists.infradead.org; Wed, 10 Apr 2024 07:45:01 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=je6ppT5+uRV0R9ZHyZV5YS7IDBm1SxECsrXIjo29njZ/7d6zKAaNC9OP/kBFBqyyAtyGYj5q3CnNhjcle2uHYDSOC18xHv0wyjsgNWxq7fyFuge6+el0BxGDk6iTJ6vLh+FttYxotZr6ZhfcHxmI6rc59ZCNKp8Vzu+XMh/WzGIkt+lWYW6iUCLLGp3LpCaUiU9tyALsZurX55B1/eMiO0C0bq1EtfVn+akLg9opOAundmUNdQF8HhYk2aP5TYvLnaSmN5xrbUNKJfxo1iSDomBztX5+oYb6r5G3N4L5qE4HC3rbF5flp6ZalYkRGf5HA+4vX4BIOoq0V0VyTjOwWw== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=NQhF/eDEoabbhhr5lSpe+c0HOYbbtZvITRRwTpQMITc=; b=gNQ+256nphtkfbTTMQisP/wCoG5KFLedBp5OIjihuK/xw7DkcIvWeJNanWP4Ibaihu8Mz44rRTZ75cx1nYg1T0A4+VeReCOA+EsGgyO46UbQhkGRjBFN5cSe4uyEGeb7iMQ76pEYBoJA1dWtxUXd1fJKzNIjUD2kfxblrxgIwlNquJMxXc9xBrlxVdJyB4Ak1sK1IsrJv89vwiGQ0NkYBo/iu2WJ2tfqsmads9NBq/a7ReDs0j8f7glWaw+R9Kv9CfHCcmvQnxYH04A7tk1CWGrnIstQtMm94d67vQrb+llEy0vzhDrgsyAOX6UEGkLzGmo2ZXO794No2sixvFyAkw== 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 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=NQhF/eDEoabbhhr5lSpe+c0HOYbbtZvITRRwTpQMITc=; b=GGBPIYn+E/Wuutj+qwvtJ895DsOMprHm9Yu4tu8PrRuVlg6/64xElD6r1XR9zLSOhqLl9Pve5n/6G0nC+Nf78ys5q4IOUSM9osp26uGkE+i3qoraoyqZ7hK6UC4kRPtKoEJE6kXYRV0j/2kbrj8+MjNvdEi3bS12Peo7oNltgap3txvrVbDZBmNoYE4zWNs0QsHivDjqs9Lv61qF9Wtpm2qO+76a/i2jOrFfFBY/IiryfpuQt1KunKlPBtp1JSd4oeVb5R4A17HxmCBxTVViCTKjVwztRhBq6fg5xqMf3YCeR6Z85e+3WScR/iA+BDoi5n3bD0fjLHp0WE9X6gQRfA== Received: from PH8PR12MB6674.namprd12.prod.outlook.com (2603:10b6:510:1c1::18) by PH0PR12MB8173.namprd12.prod.outlook.com (2603:10b6:510:296::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7409.46; Wed, 10 Apr 2024 07:44:46 +0000 Received: from PH8PR12MB6674.namprd12.prod.outlook.com ([fe80::c19e:4e13:c3bd:191d]) by PH8PR12MB6674.namprd12.prod.outlook.com ([fe80::c19e:4e13:c3bd:191d%7]) with mapi id 15.20.7409.042; Wed, 10 Apr 2024 07:44:46 +0000 Message-ID: Date: Wed, 10 Apr 2024 13:14:35 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V5] PCI: Add support for preserving boot configuration To: bhelgaas@google.com Cc: lpieralisi@kernel.org, mmaddireddy@nvidia.com, linux-kernel@vger.kernel.org, will@kernel.org, jonathanh@nvidia.com, kthota@nvidia.com, frowand.list@gmail.com, kw@linux.com, linux-arm-kernel@lists.infradead.org, lenb@kernel.org, devicetree@vger.kernel.org, sagar.tv@gmail.com, rafael@kernel.org, linux-pci@vger.kernel.org, treding@nvidia.com, linux-acpi@vger.kernel.org, Rob Herring References: <20240223080021.1692996-1-vidyas@nvidia.com> <20240401075031.3337211-1-vidyas@nvidia.com> <171207369295.222743.17702844066682854972.robh@kernel.org> Content-Language: en-US From: Vidya Sagar In-Reply-To: <171207369295.222743.17702844066682854972.robh@kernel.org> X-ClientProxiedBy: MA0PR01CA0027.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:b8::20) To PH8PR12MB6674.namprd12.prod.outlook.com (2603:10b6:510:1c1::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR12MB6674:EE_|PH0PR12MB8173:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 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:PH8PR12MB6674.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(376005)(7416005)(1800799015)(366007);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?b0E1YlVzNFlyYVZuUDV4Z1VUdFJFUmpWWlhiN2dHaVNXM0FIOWd1bWo5bHhM?= =?utf-8?B?SUVoaHRRUjlZRFBKRmdvdzhNZVIwNnR6cHFmNzZSRkU0MmVXU1Zldm92Vms0?= =?utf-8?B?bWNWbG1CSWFZSnVVbTJaZXIvYStHd1BkS3haenRhajhOZlhabGFETWJ5eHFp?= =?utf-8?B?TXV0YlZWTnBXOTkzS2o3SWFBSDBmbDMvV1ZpWmVUdXZXd0R4cWtWVnlxVDZl?= =?utf-8?B?TUtwSWRnaDVvSStaRk1aZ21oM1IyYUtXcW9jYUhrOUZiUUZHZUlSZFFOdXZ2?= =?utf-8?B?RGtWZkZKZWVYMkR6MXJ4NVZhbFBoMnRWTDNzbDhYTCtTdXVhRFVNWUg5RXhq?= =?utf-8?B?Z1FuRkFhSnpPMFFQSlBBMFJIOVlnQjl0RVY0ekpmMVdXL3FQMjMyQUFpUFJP?= =?utf-8?B?eFVzRCtYT3pGc0FFcUtKNkdJdmFpMUEzYjVDUTNGZ2lLVFAvNTl3K0NyTTVh?= =?utf-8?B?Y1VSSHVKdVNwSldaRjE1anEyZHpieVVGYk81WXdNclNYOWVyNjNHeVFiZEdi?= =?utf-8?B?VExTa3Q2Ni8zdWJkbnFNVDl4TEE4c0JodC9QenN3NVg2ZEFOYUt4R0ZYYkVK?= =?utf-8?B?QWRLZHE3V3NOL3YzSnFxeWlxS3J2M0FvWEpUZ1o4cy9kRldlNisrNXQ3NVdJ?= =?utf-8?B?SmE4UENuUjk1YWNXV2RWK0hnMnducEM2R1lQa1ZNK29YVzA1TGlxOENabjJX?= =?utf-8?B?Si9zVFZRcFh5N0xmU0FJTnJ0Q2hTWEV6dzlZT3FtVmM0eWlzTTA4akN5eUgv?= =?utf-8?B?Q0NRTDlSWUhwWVRSb2VuZkVnUURuUVpHYkt4aGdLN1dkS0hVaE5FWitRV3lz?= =?utf-8?B?a3lBSXRFd2lDc2NpUVRFODFMQ25DZXdabTdQNEE0QXhKOWZPYzdmM0FJRmxX?= =?utf-8?B?TU5FTEZLaC8vdHhudEJjM1VhRlgxQmllZ25DVFk2K0FjRjc5RFMvL1N0STJs?= =?utf-8?B?bkoyc1F3TDhFOTZ4VmhEWjBEMzlIcVhXTGx1MGFFQ0d0QXgyOXV4TVgwNmpL?= =?utf-8?B?dWViZlNzMTZ4dVpPT2pSRGtGNGlBUEMvNzBiMy83cWZnTjdKb3pvZ2hiQVUr?= =?utf-8?B?VzJBU2ZSSVIxRjhGZjJIREFDcnVCYmFCUEF5d0ZSN21ia0dhSEhFaUdDRXBh?= =?utf-8?B?d2pSbWQ3Y2lqSjJCcFh2b2VFRXI1RW1XWk9ycEJmQ3gxSXVBR3g4bWhVaE1R?= =?utf-8?B?KytRS25NNWE4ekRncHZQcVEvUmRnQnAzUldZdTEwSkpNV0FaSFFraEUvTDAw?= =?utf-8?B?clNXSS9ubHdWV2tobUtBdTR2QWg3eEUzbUo0TVNPM1AvR1FDM24rZ1I5Q29s?= =?utf-8?B?eE5CTmpXTWU1WFhDeVhBd2JUNzhVb1kxY3p3Sk9wZWlrZTVGZUZHSExrbXNo?= =?utf-8?B?TFhrZFZNNEFaMGh2SUFiYXZsQm9PQWtyQ2Z1a0FZdG9Sc0lqK1FJM0RIY0ts?= =?utf-8?B?MGxRcXh6b0pGZjhkZ09DcDJncllGYmpaVWJEd2hBeUxkR055MDk5ek1TakM0?= =?utf-8?B?OFFUNDM4aEY2bGtOTVNYVWZTU0R0dUV3LzVjK096S3h1VWZDVktmd2kvMVpy?= =?utf-8?B?ZmpaV1RPS2Zpcjk3ZVk2VVFTNW1nOXZGYUdoaGJwcGNqT3pLWWFRbHYyMTJm?= =?utf-8?B?WDU0cTg4M1hFbVdUamZDUEl4K3BUMFdtQ0RmS2xGVkdVRTFRdnpOZ2l5SnFH?= =?utf-8?B?TEwyUFgveUczY0Nra1dpL1RiVWMvdmxQUVp0alp4cExzaXRDMjZiUVZ6Z2k1?= =?utf-8?B?Q1R1YVBlT3pNVkVzR0FnWVA0VHgyb0MvTks3N0YxZDRUak5QRXpoTTRzS2lH?= =?utf-8?B?bzBTaGM5bUx6VmdsKzNweTNvYysxckZtRXQrNUVWZTRTKzlRTVoweURmbUgr?= =?utf-8?B?b1k1NEVCUlFBY2ZjYjJXNzVQMkoyV3ZsR3VjY2VLOWRpM1RLTVNkMG1WTm1V?= =?utf-8?B?aWRDMUszdC9aRFFrR29KZzJwdmNXcmZ2VDgyMXl6QVg4WHhPWnFES1o2LzVO?= =?utf-8?B?T2FZRXpvdDJpNm9YM1c3SmdxMHprSnNsOFAwdUhRTW1yVjZwRXVQK3BOdjVS?= =?utf-8?B?NVZuUEhoTnB3cy8wMEpKbTMwemdrTHFUeng5azJrVldlNUlGb0g0MTRXMDI3?= =?utf-8?Q?fPczDhuO5i1rhfC/2jUHbyV3k?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9fd680bd-f09a-49ce-139f-08dc593217ae X-MS-Exchange-CrossTenant-AuthSource: PH8PR12MB6674.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Apr 2024 07:44:46.3530 (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: RdYYXLFX3Jx8V/cC1hcb6rw+xUi/IJiD5i6vjIZipogCv5rkv/bOaWA6vTaDv2ZJS586/0M/MPjYnIcXkpeeDQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB8173 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240410_004500_295004_1379DAF1 X-CRM114-Status: GOOD ( 10.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Thanks Rob for the review. Bjorn, do you have any further comments for this patch? On 02-04-2024 21:31, Rob Herring wrote: > External email: Use caution opening links or attachments > > > On Mon, 01 Apr 2024 13:20:31 +0530, Vidya Sagar wrote: >> Add support for preserving the boot configuration done by the >> platform firmware per host bridge basis, based on the presence of >> 'linux,pci-probe-only' property in the respective PCI host bridge >> device-tree node. It also unifies the ACPI and DT based boot flows >> in this regard. >> >> Signed-off-by: Vidya Sagar >> --- >> V5: >> * Addressed Rob's review comments >> >> V4: >> * Addressed Bjorn's review comments >> >> V3: >> * Unified ACPI and DT flows as part of addressing Bjorn's review comments >> >> V2: >> * Addressed issues reported by kernel test robot >> >> drivers/acpi/pci_root.c | 12 ----- >> drivers/pci/controller/pci-host-common.c | 4 -- >> drivers/pci/of.c | 57 +++++++++++++++++++----- >> drivers/pci/probe.c | 46 ++++++++++++++----- >> include/linux/of_pci.h | 6 +++ >> 5 files changed, 88 insertions(+), 37 deletions(-) >> > Reviewed-by: Rob Herring > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel