From patchwork Thu Nov 24 05:50:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Li X-Patchwork-Id: 13054606 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 F0CA6C4332F for ; Thu, 24 Nov 2022 06:08:05 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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; 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b=T4dujJzDolQPKtGeNluJXq8NdnTxvZodXkPWG/2KfeRofCMiZcDMnFUWQcsMx6M88s6Tlo97QdhilgN6NusWEqgWDwYED2O5TFQfGiC/HOdshAT0q/u9Aae3D/LlcDWl2qBwJ3wxNW1ytVvVqNTpi0/iJPxO6mBTYlS/NhVEki0= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from HE1PR0401MB2331.eurprd04.prod.outlook.com (2603:10a6:3:24::22) by DU2PR04MB8600.eurprd04.prod.outlook.com (2603:10a6:10:2db::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5834.9; Thu, 24 Nov 2022 05:51:02 +0000 Received: from HE1PR0401MB2331.eurprd04.prod.outlook.com ([fe80::a405:3557:91bc:9230]) by HE1PR0401MB2331.eurprd04.prod.outlook.com ([fe80::a405:3557:91bc:9230%12]) with mapi id 15.20.5834.015; Thu, 24 Nov 2022 05:51:02 +0000 From: Frank Li To: lpieralisi@kernel.org Cc: Frank.Li@nxp.com, aisheng.dong@nxp.com, bhelgaas@google.com, devicetree@vger.kernel.org, festevam@gmail.com, imx@lists.linux.dev, jdmason@kudzu.us, kernel@pengutronix.de, kishon@ti.com, krzysztof.kozlowski+dt@linaro.org, kw@linux.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, lznuaa@gmail.com, manivannan.sadhasivam@linaro.org, maz@kernel.org, ntb@lists.linux.dev, peng.fan@nxp.com, robh+dt@kernel.org, s.hauer@pengutronix.de, shawnguo@kernel.org, tglx@linutronix.de Subject: [PATCH v13 0/2] PCI: endpoint: pci-epf-vntb: using platform MSI as doorbell Date: Thu, 24 Nov 2022 00:50:34 -0500 Message-Id: <20221124055036.1630573-1-Frank.Li@nxp.com> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: BYAPR05CA0043.namprd05.prod.outlook.com (2603:10b6:a03:74::20) To HE1PR0401MB2331.eurprd04.prod.outlook.com (2603:10a6:3:24::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: HE1PR0401MB2331:EE_|DU2PR04MB8600:EE_ X-MS-Office365-Filtering-Correlation-Id: 9eff9183-cf00-4844-57a2-08dacddfdd06 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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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 This patch continue https://lore.kernel.org/linux-pci/20220922163206.21281-1-Frank.Li@nxp.com/ The above patch series fork to two parts. clean up and use msi as doorbell. clean up patch already been in https://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git/commit/?h=pci/endpoint These patches based on the above git branch. Change from v12 to v13: fixed Lorenzo Pieralisi comments in https://lore.kernel.org/imx/Yz%2FuMiElbqB3ThGd@lpieralisi/T/#u - update diagram - Add platform_msi_domain_free_irqs at failure path - sizeof(u32) is because hardcode by ntb_hw_epf.c Frank Li (2): PCI: endpoint: pci-epf-vntb: change doorbell register offset calc mathod PCI: endpoint: pci-epf-vntb: using platform MSI as doorbell drivers/pci/endpoint/functions/pci-epf-vntb.c | 150 +++++++++++++++--- 1 file changed, 127 insertions(+), 23 deletions(-)