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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" , "mark.rutland@arm.com" , "l.subrahmanya@mobiveil.co.in" , "shawnguo@kernel.org" , Leo Li , "lorenzo.pieralisi@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" CC: Mingkai Hu , "M.h. Lian" , Xiaowei Bao , "Z.q. Hou" Subject: [PATCHv4 11/28] PCI: mobiveil: only fix up the Class Code field Thread-Topic: [PATCHv4 11/28] PCI: mobiveil: only fix up the Class Code field Thread-Index: AQHU1+0xoaV/Y9GqOUGCpK8QyE26hg== Date: Mon, 11 Mar 2019 09:31:23 +0000 Message-ID: <20190311093130.7209-12-Zhiqiang.Hou@nxp.com> References: <20190311093130.7209-1-Zhiqiang.Hou@nxp.com> In-Reply-To: <20190311093130.7209-1-Zhiqiang.Hou@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HK0PR03CA0015.apcprd03.prod.outlook.com (2603:1096:203:2e::27) To AM6PR04MB5781.eurprd04.prod.outlook.com (2603:10a6:20b:ad::19) 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-correlation-id: ec21b41d-9e08-48d9-6d2a-08d6a60453c5 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(4618075)(2017052603328)(7153060)(7193020);SRVR:AM6PR04MB6566; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: THh689YRWj/TDFnfuALOViBkWft0f3RUKmA7t7+CQ0P/2x/6rvUcdWvecCvsPbkNqriCjY8Eb711Dc/G8eGg88EYtdObwWtU5eF6b+uUb1ixIWgJcginYTb4yJWIrnOAn5mJyUmfUjoIiT3lZDOyQHDbLdsTkBPGWTMN+whblD5PGRUP4RnhLUOx87RLqa6RPziAaEL0KQlONVydsE6hucImKeEJ+Q5NeRFLX+DVd1TfG2+6VqJecC9LFCdacZoiddiobQX32vYRf8Dy016/LwattEVv2vqeqfgLJ4r+6OjHLxUTuWwawYS1x+deX4yT6PklMLVZL6Cg5wav8q40Z8NUIlNFOjGz2Ih9fsqkM/CiIq0kfWkH7Zip8h64EUuF0W26bnMjk/V/VyUSGGR+HNW6iEf0iJgNQforMnhL8E0= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ec21b41d-9e08-48d9-6d2a-08d6a60453c5 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Mar 2019 09:31:23.7883 (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-Transport-CrossTenantHeadersStamped: AM6PR04MB6566 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Hou Zhiqiang Fix up the Class Code to PCI bridge, do not change the Revision ID. And move the fixup to mobiveil_host_init function. Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver") Signed-off-by: Hou Zhiqiang Reviewed-by: Minghuan Lian Reviewed-by: Subrahmanya Lingappa --- V4: - no change drivers/pci/controller/pcie-mobiveil.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controlle= r/pcie-mobiveil.c index 78e575e71f4d..8eee1ab7ee24 100644 --- a/drivers/pci/controller/pcie-mobiveil.c +++ b/drivers/pci/controller/pcie-mobiveil.c @@ -653,6 +653,12 @@ static int mobiveil_host_init(struct mobiveil_pcie *pc= ie) type, resource_size(win->res)); } =20 + /* fixup for PCIe class register */ + value =3D csr_readl(pcie, PAB_INTP_AXI_PIO_CLASS); + value &=3D 0xff; + value |=3D (PCI_CLASS_BRIDGE_PCI << 16); + csr_writel(pcie, value, PAB_INTP_AXI_PIO_CLASS); + /* setup MSI hardware registers */ mobiveil_pcie_enable_msi(pcie); =20 @@ -896,9 +902,6 @@ static int mobiveil_pcie_probe(struct platform_device *= pdev) goto error; } =20 - /* fixup for PCIe class register */ - csr_writel(pcie, 0x060402ab, PAB_INTP_AXI_PIO_CLASS); - /* initialize the IRQ domains */ ret =3D mobiveil_pcie_init_irq_domain(pcie); if (ret) { --=20 2.17.1