From patchwork Thu Aug 3 15:04:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Li X-Patchwork-Id: 13340245 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9CCE6C04A6A for ; Thu, 3 Aug 2023 15:04:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236819AbjHCPEj (ORCPT ); Thu, 3 Aug 2023 11:04:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236807AbjHCPEi (ORCPT ); Thu, 3 Aug 2023 11:04:38 -0400 Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on2082.outbound.protection.outlook.com [40.107.22.82]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6D57187; Thu, 3 Aug 2023 08:04:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=enyBMaOVYnDJKtzC1tlXxt6XGZlBWyVJ0Jy60LjS1U6AHyEXyK5XDGJDBFvIuWaNExcMqxsNI6xZMzvmJQbihaoeyP9yLVXGMcySL85ljd4h7bYyEg3AEWgi4nz1m3K1G8uGJmWoecKrUPBM9Xv36UVHqVKjX3fKHvoG5sVZYD+5f5rp93NahuIHazxFmUjks30mF5ImyDNtjDkY5CLcgA7X3JUkAzmq9wdc0uqwgZTVx20igYhOvDHNOu0mPzaxQHyvazoUGEg5SvibH4Pli4Lxi6OgRMhMCM8sI53xEYNZjQL+F0nhFg7qzz524O99+F4mPl3oUPS8/cZ034Ookw== 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=JJkfjaLRfErs5J+V+8p84WZmDnw9awtPAeq30m3oVW4=; b=TQOUjuegTl7wG5yrm2TIkEqsq+qkyF80WVbZEbRIL1N3dS/ONQY1xkek/lo7OPxJogsV3ss83sktZbRs6zpi03gqOweVWrcr/B72emQz8RGKVUqFm5VJi7YiKB7Ze/pUyWg1PrJXtHAVzxd4rTxKEKxM4ExDF1QpkRsUB4n8YU42k/zwBq7QkbGziiRbJxmm4v7aWZRWDexkT1O2qL5oDcsXfpsH87aHKg59OIIUyDttgpTWxNrzy5mtfeXuauWska4Ixz6tXF0nOCTzY/IfH237FizmVLqrU8AfX78althgNEV3LMpOPH6cJVACgMME1CFdk55t810E1L/OR/eGug== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=JJkfjaLRfErs5J+V+8p84WZmDnw9awtPAeq30m3oVW4=; b=VPXOBlyWiJK4wi1JlCHdjwSjWAjUnJFQJZqqv+3ZtGNPnRN6OtzB2NXgNsGik2kvlobAt3/EI+3fgGMqU5JOE59tZIgAVeO6exIBNQasXrvoMhvPuaQss3iyoCs14wKMoDDvebFnEylndJh6kM9KckNu5tmKP9gzv/3123TrhKY= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB4838.eurprd04.prod.outlook.com (2603:10a6:20b:4::16) by AS5PR04MB9769.eurprd04.prod.outlook.com (2603:10a6:20b:679::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6631.47; Thu, 3 Aug 2023 15:04:31 +0000 Received: from AM6PR04MB4838.eurprd04.prod.outlook.com ([fe80::d0d5:3604:98da:20b1]) by AM6PR04MB4838.eurprd04.prod.outlook.com ([fe80::d0d5:3604:98da:20b1%7]) with mapi id 15.20.6631.046; Thu, 3 Aug 2023 15:04:31 +0000 From: Frank Li To: helgaas@kernel.org Cc: Frank.li@nxp.com, bhelgaas@google.com, devicetree@vger.kernel.org, gustavo.pimentel@synopsys.com, imx@lists.linux.dev, kw@linux.com, leoyang.li@nxp.com, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, lorenzo.pieralisi@arm.com, lpieralisi@kernel.org, mani@kernel.org, manivannan.sadhasivam@linaro.org, minghuan.lian@nxp.com, mingkai.hu@nxp.com, robh+dt@kernel.org, roy.zang@nxp.com, shawnguo@kernel.org, zhiqiang.hou@nxp.com Subject: [PATCH v8 0/3] dwc general suspend/resume functionality Date: Thu, 3 Aug 2023 11:04:06 -0400 Message-Id: <20230803150409.271155-1-Frank.Li@nxp.com> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: SJ0PR03CA0161.namprd03.prod.outlook.com (2603:10b6:a03:338::16) To AM6PR04MB4838.eurprd04.prod.outlook.com (2603:10a6:20b:4::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB4838:EE_|AS5PR04MB9769:EE_ X-MS-Office365-Filtering-Correlation-Id: 648059d5-22d9-4bc0-ccf4-08db9432f0f2 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:AM6PR04MB4838.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(366004)(376002)(136003)(396003)(346002)(39860400002)(451199021)(52116002)(1076003)(2616005)(83380400001)(6506007)(41300700001)(26005)(186003)(8676002)(8936002)(66556008)(2906002)(4326008)(66946007)(5660300002)(6916009)(316002)(66476007)(7416002)(6666004)(6486002)(15650500001)(966005)(6512007)(478600001)(38350700002)(38100700002)(86362001)(36756003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 648059d5-22d9-4bc0-ccf4-08db9432f0f2 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB4838.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Aug 2023 15:04:31.6418 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 41NqX4VDXyYTVAAsQ8PYki18+gBHI232h2SU7ma6sZfzc5gywfJz22M/d2Bxfxx4DVuAJiFm1HYQaswc76RL1g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS5PR04MB9769 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add a API for dwc suspend/resume. In layerscape platform call this api. Change log - Change from v7 to v8 Add new patch to add common PCIE_PME_TO_L2_TIMEOUT_US define. timeout value using PCIE_PME_TO_L2_TIMEOUT_US. - Chnage from v6 to v7 Remove local varible struct dw_pcie *pci = pcie->pci Change according to Manivannan's feedback remove unused lut_off and lut_base fixed 100 to 1000(for 1ms) using dev_err for timeout refine commit message fix sleep value 100 (should be 1000 for 1ms). use dev_err when timeout - Change from v5 to v6 change to NOIRQ_SYSTEM_SLEEP_PM_OPS to remove #ifdef PM_CONFIG refine commit message change according to Manivannan's comments. remove reduncate step dw_pcie_set_dstate() return 0 when .pme_turn_off is zero call host_deinit() in suspend check .host_deinit and .host_init point before call. - Change from v4 to v5 Closes: https://lore.kernel.org/oe-kbuild-all/202307211904.zExw4Q8H-lkp@intel.com/ - Change from v3 to v4 change according to Manivannan's comments. - change at v2 to v3 Basic rewrite whole patch according rob herry suggestion. put common function into dwc, so more soc can share the same logic. Frank Li (2): PCI: Add macro PCIE_PME_TO_L2_TIMEOUT_US PCI: dwc: Implement general suspend/resume functionality for L2/L3 transitions Hou Zhiqiang (1): PCI: layerscape: Add power management support for ls1028a drivers/pci/controller/dwc/pci-layerscape.c | 129 ++++++++++++++++-- .../pci/controller/dwc/pcie-designware-host.c | 75 ++++++++++ drivers/pci/controller/dwc/pcie-designware.h | 28 ++++ drivers/pci/pci.h | 6 + 4 files changed, 229 insertions(+), 9 deletions(-)