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Hou" To: "linux-pci@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "bhelgaas@google.com" , "robh+dt@kernel.org" , "arnd@arndb.de" , "mark.rutland@arm.com" , "l.subrahmanya@mobiveil.co.in" , "shawnguo@kernel.org" , "m.karthikeyan@mobiveil.co.in" , Leo Li , "lorenzo.pieralisi@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "andrew.murray@arm.com" Subject: [PATCHv9 05/12] PCI: mobiveil: Add callback function for interrupt initialization Thread-Topic: [PATCHv9 05/12] PCI: mobiveil: Add callback function for interrupt initialization Thread-Index: AQHVn1UA2UYxNg2IeEqKBDKnWsGYwg== Date: Wed, 20 Nov 2019 03:45:50 +0000 Message-ID: <20191120034451.30102-6-Zhiqiang.Hou@nxp.com> References: <20191120034451.30102-1-Zhiqiang.Hou@nxp.com> In-Reply-To: <20191120034451.30102-1-Zhiqiang.Hou@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HK2PR02CA0199.apcprd02.prod.outlook.com (2603:1096:201:20::11) To DB8PR04MB6747.eurprd04.prod.outlook.com (2603:10a6:10:10b::31) authentication-results: spf=none (sender IP is ) smtp.mailfrom=zhiqiang.hou@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-originating-ip: [119.31.174.73] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 3a0b90ff-af0e-4f1e-1070-08d76d6c22ae x-ms-traffictypediagnostic: DB8PR04MB5657:|DB8PR04MB5657: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-forefront-prvs: 02272225C5 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(4636009)(366004)(346002)(396003)(39860400002)(136003)(376002)(199004)(189003)(2201001)(54906003)(86362001)(36756003)(256004)(7736002)(305945005)(6116002)(66066001)(3846002)(110136005)(316002)(71190400001)(7416002)(1076003)(71200400001)(14444005)(52116002)(2501003)(4326008)(5660300002)(66476007)(476003)(64756008)(66556008)(11346002)(446003)(76176011)(2616005)(66946007)(6512007)(66446008)(8676002)(386003)(6506007)(2906002)(99286004)(102836004)(6486002)(81166006)(81156014)(8936002)(50226002)(186003)(26005)(478600001)(14454004)(486006)(6436002)(25786009)(921003)(1121003); DIR:OUT; SFP:1101; SCL:1; SRVR:DB8PR04MB5657; H:DB8PR04MB6747.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: M7WA6pqSjriMg7rTgpd5k3sXt0lWuJGspQEBV4xN+SocufYZny7pPt+0N6D5tb1oN6ZH4Na/nhR4ersI7BtDz0iz52Qtq+kJ18LWVHW+6NTfDRems8zMnlf7Tut4lE2S+THzlBye9nAg/LJC57vkzueoMmub2nDwBfQ0U1TWaUlnOQI1nwPQKaCVKhHz8Ls6Q97L03bg7ohaQ6fQ8UKzdeZwvbMcJNi5bi1sgpoyCT/t+iWuvtdcOpOwhLUbZ++7gzGGjRfJVl4RIvjTE00GfAITYo5RyQjxFS8YQVoRcQ3DU25SZVH149gLnhNb1CYS/dVxdqaXtV5tz+DcgB7NCWK7pALqpt0Y+o6M2f2N3deKCCwL8c2pk1HI5zUkgGvHaM0JElssaufD90mBYT6VFLE5utYJUps9o6emL9Qwp0CJheC6cOkdlFzBiLSugFUD MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3a0b90ff-af0e-4f1e-1070-08d76d6c22ae X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Nov 2019 03:45:50.4611 (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: T+CamStsRsr9UVaStuY2G2x8J+qRaq/UerRT+wNBPtkGUgs1ZOSMcnzVkTWLPZ+7jEXxTIL8ItqTPUMq+aZ/SQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB5657 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191119_194551_822640_81A3B498 X-CRM114-Status: GOOD ( 12.01 ) X-Spam-Score: 0.8 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.8 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a01:111:f400:fe0d:0:0:0:60f listed in] [list.dnswl.org] 0.0 T_SPF_PERMERROR SPF: test of record failed (permerror) -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 1.0 FORGED_SPF_HELO No description available. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "M.h. Lian" , "Z.q. Hou" , Xiaowei Bao , Mingkai Hu Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Hou Zhiqiang The Mobiveil GPEX internal MSI/INTx controller may not be used by other platforms in which the Mobiveil GPEX is integrated. This patch is to allow these platforms to implement their specific interrupt initialization. Signed-off-by: Hou Zhiqiang --- V9: - New patch splited from the #1 of V8 patches to make it easy to review. drivers/pci/controller/mobiveil/pcie-mobiveil-host.c | 3 +++ drivers/pci/controller/mobiveil/pcie-mobiveil.h | 7 +++++++ 2 files changed, 10 insertions(+) diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c index 2cc424e78d33..3cd93df6fe6e 100644 --- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c @@ -507,6 +507,9 @@ static int mobiveil_pcie_interrupt_init(struct mobiveil_pcie *pcie) struct resource *res; int ret; + if (rp->ops->interrupt_init) + return rp->ops->interrupt_init(pcie); + /* map MSI config resource */ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "apb_csr"); pcie->apb_csr_base = devm_pci_remap_cfg_resource(dev, res); diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil.h b/drivers/pci/controller/mobiveil/pcie-mobiveil.h index e3148078e9dd..18d85806a7fc 100644 --- a/drivers/pci/controller/mobiveil/pcie-mobiveil.h +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil.h @@ -130,10 +130,17 @@ struct mobiveil_msi { /* MSI information */ DECLARE_BITMAP(msi_irq_in_use, PCI_NUM_MSI); }; +struct mobiveil_pcie; + +struct mobiveil_rp_ops { + int (*interrupt_init)(struct mobiveil_pcie *pcie); +}; + struct root_port { char root_bus_nr; void __iomem *config_axi_slave_base; /* endpoint config base */ struct resource *ob_io_res; + struct mobiveil_rp_ops *ops; int irq; raw_spinlock_t intx_mask_lock; struct irq_domain *intx_domain;