From patchwork Tue Apr 8 02:59:23 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Zhu X-Patchwork-Id: 14042103 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 AA87DC36010 for ; Tue, 8 Apr 2025 03:09:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-Type: Content-Transfer-Encoding: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:In-Reply-To:References:List-Owner; bh=yoXNAFWqFI1gRUevXYIY4OpxF/6Ydw+prLcu1kd5jJk=; b=b1rVEyMPuRBmpnwngUo1zOlRXf uIlak1DhCGlATuftHGuSaIuP5bnCRn3heN48Nablks7m3CoW8fNVcnmd/3AJNTHFF/KR9c/l17LPt muXzITPkG/t1KW+VofUVheMvjYBOspTxmDi2doHINXTYPBw6qBG4Z7GPR+1Kaoc3rE9l1Yl1pUJ5p OUY/ZoMRBJx6WcWD6QKozo8kSaljQN7uXh9J5QX3k0f8bPvtZTlhn3aOt0tX33hb8uPS90/urT7E6 o8LZKs9ZqunO0VICnyZBoEMK9A/5Yfp+uC+mw78Yqr97OgpjA5QsrXA2cqjYR1WsMCsiUz8XdHzu+ m2M31Q9g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.1 #2 (Red Hat Linux)) id 1u1zKg-00000002aly-0PdU; Tue, 08 Apr 2025 03:09:02 +0000 Received: from mail-westeuropeazlp170120005.outbound.protection.outlook.com ([2a01:111:f403:c201::5] helo=AS8PR03CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.1 #2 (Red Hat Linux)) id 1u1zCq-00000002ZX5-3J24 for linux-arm-kernel@lists.infradead.org; Tue, 08 Apr 2025 03:00:57 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=xXO3hLzTcUFGWyZrNCXRGHxJ+rXmYG9bFoDeQpUFcuxJzQz2NIk9UpvHqEaKsj1A+AbbehyyiBM6JFRRqUUrXPiAdEAucPaAAGaKtltyF+mbeCnurWRnjVpD+O2xivbMiixMsSbzom5NPJdNttNRzsnbMBKZv+dOiMYYhJSCaI1Bx3+lWs9gJq9H/gNWEFfAXfw6UhfdrgOf75b+6djzX3MgHiHge/IGOz1B14enTkcEGSYFm4XpwSNvF/sjyGjsGJeDXSbkXcMPoHVq10wNdmIrGmYD+rTbH5rCHbyWv701IO2+sW5UKV1whzezyfEMC07jWbHUup5ljcs0qrevSA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=yoXNAFWqFI1gRUevXYIY4OpxF/6Ydw+prLcu1kd5jJk=; b=NwCHcij5BM4Y4lkyRnTUp3HUugEItm3qkJobK5Y7rU+cl3Xo2dP5vHhJum0BqbIoL0jt/EDvSq0zztGy3ZL25caNYmOiSj2uYyC1JqXf9taHqCzT0VJqSDu+R7isszCKPsJd49IQhmOrYz2RniavAEV9L23cdqv0MYLyY8hGf+UT9VhgyrONgPlJnJP8j663FyPTKw7kd7SA0zAgkm2sB6QW3Ey/mzbPyxHTQhLQho2hR72rcSQr0x51JDGHCwnEHEj45Fb6mWQB1+Y7Z30c1yoOlLL7A5iNyukzEmqc2YdrIhfw/UA7r0ZX816QLZrv2ab+mGmq4si9/qZIzL8VMg== 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=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=yoXNAFWqFI1gRUevXYIY4OpxF/6Ydw+prLcu1kd5jJk=; b=CqY1Pdpgfl2k4X4NlaThVpPbqOkB1LZis9H6F6tRKeQyB4dElWOLP+oG2h3Vo9G+20eJcNddCTpDqXJ6H/1U/Jci5ofBDjg/um81wipjbMe3l93HVuLUdW5wohTxFTf0/M45bLn8ZXi1YPJJLCzC0EZ/mGrmR3CzHwX/BC1xc7n86CqPUOz+fpgouJoPcbcRvzh0mtq5XJDsLe19t/4HZxSIG9w/pA592HHm/YcjytYp+u69beoDcsam/LAnjvAUi0fGTYfrC6udwGKxBcr1Gqgr/zvyAaTthOBNN0U9A909SwY5L0UBiHha2rdj/vyy8AGHV8LyksNb/dFIvHghIg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AS8PR04MB8676.eurprd04.prod.outlook.com (2603:10a6:20b:42b::10) by PA4PR04MB7536.eurprd04.prod.outlook.com (2603:10a6:102:e1::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8606.31; Tue, 8 Apr 2025 03:00:51 +0000 Received: from AS8PR04MB8676.eurprd04.prod.outlook.com ([fe80::28b2:de72:ad25:5d93]) by AS8PR04MB8676.eurprd04.prod.outlook.com ([fe80::28b2:de72:ad25:5d93%4]) with mapi id 15.20.8606.033; Tue, 8 Apr 2025 03:00:51 +0000 From: Richard Zhu To: frank.li@nxp.com, l.stach@pengutronix.de, lpieralisi@kernel.org, kw@linux.com, manivannan.sadhasivam@linaro.org, robh@kernel.org, bhelgaas@google.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v5 0/7] Add some enhancements for i.MX95 PCIe Date: Tue, 8 Apr 2025 10:59:23 +0800 Message-Id: <20250408025930.1863551-1-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.37.1 X-ClientProxiedBy: SG2P153CA0051.APCP153.PROD.OUTLOOK.COM (2603:1096:4:c6::20) To AS8PR04MB8676.eurprd04.prod.outlook.com (2603:10a6:20b:42b::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8676:EE_|PA4PR04MB7536:EE_ X-MS-Office365-Filtering-Correlation-Id: 69eb1b92-acdd-4dd7-d552-08dd764991a2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|52116014|7416014|366016|1800799024|38350700014|921020; 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:AS8PR04MB8676.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(52116014)(7416014)(366016)(1800799024)(38350700014)(921020);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: 69eb1b92-acdd-4dd7-d552-08dd764991a2 X-MS-Exchange-CrossTenant-AuthSource: AS8PR04MB8676.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2025 03:00:51.1538 (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: HTSr0QdBQunRd/Ss/KmD9k38bneOJmSF3vd9Tvii3DUG02iMj1wsTbQZ+Ctmput7McNoF1Dpj+ZNIWW7FVFvKA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA4PR04MB7536 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250407_200056_839608_F22389A3 X-CRM114-Status: GOOD ( 10.00 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org v5 changes: - Rebase to v6.15-rc1 - Update the commit message of "PCI: imx6: Skip one dw_pcie_wait_for_link() in" v4 changes: - Add another patch to skip one dw_pcie_wait_for_link() in the workaround link training refer to Mani' suggestion. - Rephrase the comments in "PCI: imx6: Toggle the cold reset for i.MX95 PCIe". - Correct the error return in "PCI: imx6: Add PLL clock lock check for i.MX95 PCIe". - Collect and add the Reviewd-by tags. v3 changes: - Correct the typo error in first patch, and update the commit message of #1 and #6 pathes. - Use a quirk flag to specify the errata workaround contained in post_init. v2 changes: - Correct typo error, and update commit message. - Replace regmap_update_bits() by regmap_set_bits/regmap_clear_bits. - Use post_init callback of dw_pcie_host_ops. - Add one more PLL lock check patch. - Reformat LUT save and restore functions. [PATCH v5 1/7] PCI: imx6: Start link directly when workaround is not [PATCH v5 2/7] PCI: imx6: Skip one dw_pcie_wait_for_link() in [PATCH v5 3/7] PCI: imx6: Toggle the cold reset for i.MX95 PCIe [PATCH v5 4/7] PCI: imx6: Workaround i.MX95 PCIe may not exit L23 [PATCH v5 5/7] PCI: imx6: Let i.MX95 PCIe compliance with 8GT/s [PATCH v5 6/7] PCI: imx6: Add PLL clock lock check for i.MX95 PCIe [PATCH v5 7/7] PCI: imx6: Save and restore the LUT setting for i.MX95 drivers/pci/controller/dwc/pci-imx6.c | 212 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 179 insertions(+), 33 deletions(-)