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GET /api/patches/2217638/?format=api
{ "id": 2217638, "url": "http://patchwork.ozlabs.org/api/patches/2217638/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260330-pcie-intel-gw-v2-6-8bd07367a298@dev.tdt.de/", "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": "<20260330-pcie-intel-gw-v2-6-8bd07367a298@dev.tdt.de>", "list_archive_url": null, "date": "2026-03-30T09:07:16", "name": "[v2,6/7] dt-bindings: PCI: intel,lgm-pcie: Make atu resource mandatory", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a84ddd013ab06a6dc19860d0f1b575db643747f3", "submitter": { "id": 72238, "url": "http://patchwork.ozlabs.org/api/people/72238/?format=api", "name": "Florian Eckert", "email": "fe@dev.tdt.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260330-pcie-intel-gw-v2-6-8bd07367a298@dev.tdt.de/mbox/", "series": [ { "id": 497985, "url": "http://patchwork.ozlabs.org/api/series/497985/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=497985", "date": "2026-03-30T09:07:13", "name": "PCI: intel-gw: Fixes to make the driver working again", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/497985/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217638/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217638/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-51429-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": [ "legolas.ozlabs.org;\n\tdkim=temperror header.d=dev.tdt.de header.i=@dev.tdt.de header.a=rsa-sha256\n header.s=z1-selector1 header.b=vAS07I3H;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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a=rsa-sha256; c=relaxed/relaxed; d=dev.tdt.de;\n\ts=z1-selector1; t=1774861651;\n\tbh=Lo8WEUkHygeOqbMVPhJFGYFHIJXRE1Uzi8HNns3bkEw=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=vAS07I3HaPpi0MC8vRKNLCCWN2U6M5z/8BPTxwgWzPhoCDkdTQYRtQUdPsQq5EEDq\n\t 7u4e02n76XY3ajnK1YDON6eMTsHbdFRY+9k4+3IizEEJUxTl7fxvX4rgQeQBQzszkk\n\t fOufYlok8C2pZ+HJOI43qhrc+z3qwTznCZKKoNK/odj17ImIcE/FjNERupgid8+yRx\n\t H5esvO2tXlpzeVM/INpKx7b6gbDwuXQc2AaVxyyHq29zmxxAt52D1U+VbccNtSolrp\n\t QCdX7mXeYLDTTqZegkG3U7LPzyhNDg5/koX/l4ljf9RiT9b3ag8WDDYzPd5g16NP+e\n\t ZkyfdZUZ4Gifw==", "From": "Florian Eckert <fe@dev.tdt.de>", "Date": "Mon, 30 Mar 2026 11:07:16 +0200", "Subject": "[PATCH v2 6/7] dt-bindings: PCI: intel,lgm-pcie: Make atu resource\n mandatory", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-ID": "<20260330-pcie-intel-gw-v2-6-8bd07367a298@dev.tdt.de>", "References": "<20260330-pcie-intel-gw-v2-0-8bd07367a298@dev.tdt.de>", "In-Reply-To": "<20260330-pcie-intel-gw-v2-0-8bd07367a298@dev.tdt.de>", "To": "Lorenzo Pieralisi <lpieralisi@kernel.org>, =?utf-8?q?Krzysztof_Wilczy?=\n\t=?utf-8?q?=C5=84ski?= <kwilczynski@kernel.org>,\n Manivannan Sadhasivam <mani@kernel.org>, Rob Herring <robh@kernel.org>,\n Bjorn Helgaas <bhelgaas@google.com>, Johan Hovold <johan+linaro@kernel.org>,\n Sajid Dalvi <sdalvi@google.com>, Ajay Agarwal <ajayagarwal@google.com>,\n Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>,\n Rahul Tanwar <rtanwar@maxlinear.com>", "Cc": "linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tdevicetree@vger.kernel.org, Florian Eckert <fe@dev.tdt.de>,\n\tEckert.Florian@googlemail.com, ms@dev.tdt.de", "X-Mailer": "b4 0.14.2", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1774861650; l=2279;\n i=fe@dev.tdt.de; s=20260205; h=from:subject:message-id;\n bh=44idu4lYBdKXyDCFc9AO6ve7cpsNsJ7WQmMRL/XaSSA=;\n b=6a+kh0mrGISPBeBV/cRAwP8gS1HnnlsT0AWSdGXFxEO18dzeS8qY2onc1qUgtozQ9Uoeo0n+s\n flstiyub/yWCgJKA0My87ZAtUKMOtJqQkxL0lz0Z3fWChoNPmSrCaEh", "X-Developer-Key": "i=fe@dev.tdt.de; a=ed25519;\n pk=q7Pvv3Au2sAVRhBz5UF7ZqUPNxUwXQ78Jdqu8E6Negk=", "X-purgate-type": "clean", "X-purgate-ID": "151534::1774861652-ECECE842-7064A64C/0/0", "X-purgate": "clean" }, "content": "The ATU information is already set in the dwc core if it is specified in\nthe DTS. The driver uses its own value here [1]. This information is\nhardware specific and should therefore be maintained in the DTS rather\nthan in the source.\n\nBackwards compatibility is not an issue here [5], as the driver is\nexclusively used by Maxlinear.\n\nOld DTS entry for PCIe:\n\nreg = <0xd1000000 0x1000>,\n <0xd3000000 0x20000>,\n <0xd0c41000.0x1000>;\nreg-names = \"dbi\", \"config\", \"app\";\n\nNew DTS entry for PCIe:\n\nreg = <0xd1000000 0x1000>,\n <0xd10c0000 0x1000>,\n <0xd3000000 0x20000>,\n <0xd0c41000.0x1000>;\nreg-names = \"dbi\", \"atu\", \"config\", \"app\";\n\n[1] https://elixir.bootlin.com/linux/v6.19.10/source/drivers/pci/controller/dwc/pcie-intel-gw.c#L301\n[2] https://lore.kernel.org/all/BY3PR19MB507667CE7531D863E1E5F8AEBDD82@BY3PR19MB5076.namprd19.prod.outlook.com/\n\nSigned-off-by: Florian Eckert <fe@dev.tdt.de>\n---\n Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml | 5 ++++-\n 1 file changed, 4 insertions(+), 1 deletion(-)", "diff": "diff --git a/Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml b/Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml\nindex 54e2890ae6314ac6847fc23f49440d05d66d87d4..e4b781f57e8ae84a3ffc33635a421e1a5761587e 100644\n--- a/Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml\n+++ b/Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml\n@@ -29,12 +29,14 @@ properties:\n reg:\n items:\n - description: Controller control and status registers.\n+ - description: Internal Address Translation Unit (iATU) registers.\n - description: PCIe configuration registers.\n - description: Controller application registers.\n \n reg-names:\n items:\n - const: dbi\n+ - const: atu\n - const: config\n - const: app\n \n@@ -94,9 +96,10 @@ examples:\n #address-cells = <3>;\n #size-cells = <2>;\n reg = <0xd0e00000 0x1000>,\n+ <0xd0ec0000 0x1000>,\n <0xd2000000 0x800000>,\n <0xd0a41000 0x1000>;\n- reg-names = \"dbi\", \"config\", \"app\";\n+ reg-names = \"dbi\", \"atu\", config\", \"app\";\n linux,pci-domain = <0>;\n max-link-speed = <4>;\n bus-range = <0x00 0x08>;\n", "prefixes": [ "v2", "6/7" ] }