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GET /api/patches/2196202/?format=api
{ "id": 2196202, "url": "http://patchwork.ozlabs.org/api/patches/2196202/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260213040852.3340547-4-sherry.sun@nxp.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api", "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": "<20260213040852.3340547-4-sherry.sun@nxp.com>", "list_archive_url": null, "date": "2026-02-13T04:08:43", "name": "[V5,03/12] PCI: dwc: Allow external allocation of pci_host_bridge", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "fea745241e68aa0b6854bd52d1246e3fc2d534d4", "submitter": { "id": 77063, "url": "http://patchwork.ozlabs.org/api/people/77063/?format=api", "name": "Sherry Sun", "email": "sherry.sun@nxp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260213040852.3340547-4-sherry.sun@nxp.com/mbox/", "series": [ { "id": 492056, "url": "http://patchwork.ozlabs.org/api/series/492056/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=492056", "date": "2026-02-13T04:08:40", "name": "pci-imx6: Add support for parsing the reset property in new Root Port binding", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/492056/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196202/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196202/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-47247-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ 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"DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=T+95R0i2WWJfcfpWyEuMjB3sWKWRO4FvgEoPb2B9MyU=;\n b=eCCSP2gJFcDP+ZOnGid81Yv/9rdVXwBO2nAuLmyWzBA7x1HI5/PcSc4tR0jdQMHdHPXeWafaOe3JJ9MDLHAEfJVvPy0ynqReywi5sLsNJDNNZKjE6PmIQWNpdojD7jAVD/vMs+Lspk0YqZ4M7PYp6+035nZjLoVocfFcZ7H6Hm/LW8LsHuMvaEgFr6hon1FAMS1hjR2fdP519056v0wZ2KZRRwsEfFbsJdHYfMnIj4aJx/OiZIp2ziBbmby0wG129xNJxsevocGvwHL2lmaVfiUG96TTTtVsUEkMpurogNSxkHAknpqHdooBZpNbHoF4p1fTkIMEunzZKAw4TiEzkA==", "From": "Sherry Sun <sherry.sun@nxp.com>", "To": "hongxing.zhu@nxp.com,\n\tl.stach@pengutronix.de,\n\tFrank.Li@nxp.com,\n\tbhelgaas@google.com,\n\tlpieralisi@kernel.org,\n\tkwilczynski@kernel.org,\n\tmani@kernel.org,\n\trobh@kernel.org,\n\tkrzk+dt@kernel.org,\n\tconor+dt@kernel.org,\n\ts.hauer@pengutronix.de,\n\tfestevam@gmail.com", "Cc": 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", "X-OriginatorOrg": "nxp.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n f600322b-908e-42f5-049b-08de6ab57deb", "X-MS-Exchange-CrossTenant-AuthSource": "VI0PR04MB12114.eurprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "13 Feb 2026 04:08:06.8663\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 JJ1+xaZVK0DyVVhEUMU532dQziZoVk9lPxkD0EyVL4cEsu3ZtuTD6XnvfnCKGvEd4KBoyF5xYmKqJ1alWiBJ9g==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DBBPR04MB7929" }, "content": "Currently, dw_pcie_host_init() always allocates a new pci_host_bridge\nstructure internally using devm_pci_alloc_host_bridge(). This prevents\ndrivers from pre-allocating the bridge structure when needed.\n\nModify dw_pcie_host_init() to check if pp->bridge is already set. If\nset, use the pre-allocated bridge instead of allocating a new one. This\nmaintains backward compatibility with existing drivers that don't set\npp->bridge, while allowing new drivers to pre-allocate when needed.\n\nSigned-off-by: Sherry Sun <sherry.sun@nxp.com>\n---\n drivers/pci/controller/dwc/pcie-designware-host.c | 12 ++++++++----\n 1 file changed, 8 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c\nindex 6ae6189e9b8a..c2de9830e1e9 100644\n--- a/drivers/pci/controller/dwc/pcie-designware-host.c\n+++ b/drivers/pci/controller/dwc/pcie-designware-host.c\n@@ -575,11 +575,15 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp)\n \n \traw_spin_lock_init(&pp->lock);\n \n-\tbridge = devm_pci_alloc_host_bridge(dev, 0);\n-\tif (!bridge)\n-\t\treturn -ENOMEM;\n+\tif (!pp->bridge) {\n+\t\tbridge = devm_pci_alloc_host_bridge(dev, 0);\n+\t\tif (!bridge)\n+\t\t\treturn -ENOMEM;\n \n-\tpp->bridge = bridge;\n+\t\tpp->bridge = bridge;\n+\t} else {\n+\t\tbridge = pp->bridge;\n+\t}\n \n \tret = dw_pcie_host_get_resources(pp);\n \tif (ret)\n", "prefixes": [ "V5", "03/12" ] }