{"id":2219014,"url":"http://patchwork.ozlabs.org/api/patches/2219014/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260402095107.205439-4-sherry.sun@nxp.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260402095107.205439-4-sherry.sun@nxp.com>","list_archive_url":null,"date":"2026-04-02T09:50:57","name":"[V10,03/13] PCI: dwc: Parse Root Port nodes in dw_pcie_host_init()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a715e7263fb71015d6438f6d84bb044f99a34341","submitter":{"id":77063,"url":"http://patchwork.ozlabs.org/api/people/77063/?format=json","name":"Sherry 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","To":"robh@kernel.org,\n\tkrzk+dt@kernel.org,\n\tconor+dt@kernel.org,\n\tFrank.Li@nxp.com,\n\ts.hauer@pengutronix.de,\n\tkernel@pengutronix.de,\n\tfestevam@gmail.com,\n\tlpieralisi@kernel.org,\n\tkwilczynski@kernel.org,\n\tmani@kernel.org,\n\tbhelgaas@google.com,\n\thongxing.zhu@nxp.com,\n\tl.stach@pengutronix.de","Cc":"imx@lists.linux.dev,\n\tlinux-pci@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tdevicetree@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org","Subject":"[PATCH V10 03/13] PCI: dwc: Parse Root Port nodes in\n dw_pcie_host_init()","Date":"Thu, 2 Apr 2026 17:50:57 +0800","Message-Id":"<20260402095107.205439-4-sherry.sun@nxp.com>","X-Mailer":"git-send-email 2.37.1","In-Reply-To":"<20260402095107.205439-1-sherry.sun@nxp.com>","References":"<20260402095107.205439-1-sherry.sun@nxp.com>","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-ClientProxiedBy":"MA5P287CA0163.INDP287.PROD.OUTLOOK.COM\n (2603:1096:a01:1ba::11) To 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","X-OriginatorOrg":"nxp.com","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n 012c1792-fbde-4ceb-468a-08de909d4071","X-MS-Exchange-CrossTenant-AuthSource":"VI0PR04MB12114.eurprd04.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"02 Apr 2026 09:50:20.1716\n (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":"\n LEIHekWsvKlhbxACGhtW25FdkSELqS18/xpqr8RL9Q0P23Wtc8BWBItVE0G59VVSlg6z9QmfcdQSds06HeD0xQ==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"AM9PR04MB8471"},"content":"Add support for parsing Root Port child nodes in dw_pcie_host_init()\nusing pci_host_common_parse_ports(). This allows DWC-based drivers to\nspecify Root Port properties (like reset GPIOs) in individual Root Port\nnodes rather than in the host bridge node.\n\nSigned-off-by: Sherry Sun \n---\n drivers/pci/controller/dwc/pcie-designware-host.c | 8 ++++++++\n 1 file changed, 8 insertions(+)","diff":"diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c\nindex da152c31bb2e..f6fca984fb34 100644\n--- a/drivers/pci/controller/dwc/pcie-designware-host.c\n+++ b/drivers/pci/controller/dwc/pcie-designware-host.c\n@@ -20,6 +20,7 @@\n #include \n \n #include \"../../pci.h\"\n+#include \"../pci-host-common.h\"\n #include \"pcie-designware.h\"\n \n static struct pci_ops dw_pcie_ops;\n@@ -581,6 +582,13 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp)\n \n \tpp->bridge = bridge;\n \n+\t/* Parse Root Port nodes if present */\n+\tret = pci_host_common_parse_ports(dev, bridge);\n+\tif (ret && ret != -ENOENT) {\n+\t\tdev_err(dev, \"Failed to parse Root Port nodes: %d\\n\", ret);\n+\t\treturn ret;\n+\t}\n+\n \tret = dw_pcie_host_get_resources(pp);\n \tif (ret)\n \t\treturn ret;\n","prefixes":["V10","03/13"]}