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GET /api/patches/2218215/?format=api
{ "id": 2218215, "url": "http://patchwork.ozlabs.org/api/patches/2218215/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260331171248.973014-2-gaohan@iscas.ac.cn/", "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": "<20260331171248.973014-2-gaohan@iscas.ac.cn>", "list_archive_url": null, "date": "2026-03-31T17:12:47", "name": "[1/2] dt-bindings: pci: sophgo: Add dma-coherent property for SG2042", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f554b20d0e575500785d8184d70fd6c668a50f67", "submitter": { "id": 92681, "url": "http://patchwork.ozlabs.org/api/people/92681/?format=api", "name": "Han Gao", "email": "gaohan@iscas.ac.cn" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260331171248.973014-2-gaohan@iscas.ac.cn/mbox/", "series": [ { "id": 498232, "url": "http://patchwork.ozlabs.org/api/series/498232/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=498232", "date": "2026-03-31T17:12:47", "name": "riscv: sophgo: sg2042: Enable PCIe DMA coherence", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498232/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218215/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2218215/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-51591-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 spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; helo=sto.lore.kernel.org;\n envelope-from=linux-pci+bounces-51591-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=159.226.251.81", "smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=iscas.ac.cn", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=iscas.ac.cn" ], "Received": [ "from sto.lore.kernel.org (sto.lore.kernel.org\n [IPv6:2600:3c09:e001:a7::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4flZgJ11tdz1y1q\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 01 Apr 2026 04:22:20 +1100 (AEDT)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sto.lore.kernel.org (Postfix) with ESMTP id AB6EE311D975\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 31 Mar 2026 17:13:37 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 008A031E822;\n\tTue, 31 Mar 2026 17:13:05 +0000 (UTC)", "from cstnet.cn (smtp81.cstnet.cn [159.226.251.81])\n\t(using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 17C8031B838;\n\tTue, 31 Mar 2026 17:13:02 +0000 (UTC)", "from localhost.localdomain (unknown [223.166.95.230])\n\tby APP-03 (Coremail) with SMTP id rQCowABnhdyRAMxpydRzDA--.42156S3;\n\tWed, 01 Apr 2026 01:12:51 +0800 (CST)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774977184; cv=none;\n b=ql0TKFKJhuZliJi5Zv38oXWy71kza3t8htKdH5ACbuRjO5kXkUhYdhtlkrI2JxM4ihBEerbJnG0uF41a8IJorAx9To6sM7oRabWSAbD07jj40SCrshXDIZMfR/jC9grC0MYASik0YMf2esbNCK6G60F73qr88nsZKD+yQcxNnac=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774977184; c=relaxed/simple;\n\tbh=0pCEVgH7hlMCDs8dFYJ4JjgPyGAP2s1IYvC/6S6vRnw=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=IaA5tHYq0DbNVHXQ3XKTIYxaZ6xz92hMZZiLNt+Zqn6jkenagG2F1z5h++WnuLrFqQmbaDcwbyzvvq0EYpolfC4/bwKoLLhDjILp7lCYmleo2AyC/eEBZMebru3Jam3PI+4N4Lp93f32qhWvhFdITcAexkz0rOUttzqoQOQdcJE=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=iscas.ac.cn;\n spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81", "From": "Han Gao <gaohan@iscas.ac.cn>", "To": "Bjorn Helgaas <bhelgaas@google.com>,\n Lorenzo Pieralisi <lpieralisi@kernel.org>, =?utf-8?q?Krzysztof_Wilczy=C5=84?=\n\t=?utf-8?q?ski?= <kwilczynski@kernel.org>,\n Manivannan Sadhasivam <mani@kernel.org>, Rob Herring <robh@kernel.org>,\n Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>,\n Chen Wang <unicorn_wang@outlook.com>, Inochi Amaoto <inochiama@gmail.com>,\n Paul Walmsley <pjw@kernel.org>, Palmer Dabbelt <palmer@dabbelt.com>,\n Albert Ou <aou@eecs.berkeley.edu>, Alexandre Ghiti <alex@ghiti.fr>,\n Han Gao <gaohan@iscas.ac.cn>, Zixian Zeng <sycamoremoon376@gmail.com>", "Cc": "linux-pci@vger.kernel.org,\n\tdevicetree@vger.kernel.org,\n\tsophgo@lists.linux.dev,\n\tlinux-kernel@vger.kernel.org,\n\tlinux-riscv@lists.infradead.org,\n\tHan Gao <rabenda.cn@gmail.com>", "Subject": "[PATCH 1/2] dt-bindings: pci: sophgo: Add dma-coherent property for\n SG2042", "Date": "Wed, 1 Apr 2026 01:12:47 +0800", "Message-ID": "<20260331171248.973014-2-gaohan@iscas.ac.cn>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260331171248.973014-1-gaohan@iscas.ac.cn>", "References": "<20260331171248.973014-1-gaohan@iscas.ac.cn>", "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-Transfer-Encoding": "8bit", "X-CM-TRANSID": "rQCowABnhdyRAMxpydRzDA--.42156S3", "X-Coremail-Antispam": "1UD129KBjvdXoWrKr17Wr17XFW8Gw1UJr1rtFb_yoWfKwb_W3\n\tWfAF4kZrs8ArWYgrn0yw48GFW5Zw42vryDCw15Ka1F934IqrWDKa4kJas8AF17Grs8uFyf\n\tuwn3ZrykuwsrWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT\n\t9fnUUIcSsGvfJTRUUUbQAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG\n\t6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUGwA2048vs2IY02\n\t0Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv\n\twVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4\n\tx0Y4vEx4A2jsIE14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAS\n\t0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2\n\tIY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0\n\tY48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2\n\txKxwCY1x0262kKe7AKxVW8ZVWrXwCF04k20xvY0x0EwIxGrwCF54CYxVCY1x0262kKe7AK\n\txVW8ZVWrXwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I\n\t0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_GFv_WrylIxkGc2Ij64vIr41lIxAI\n\tcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcV\n\tCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIE\n\tc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjTRMfOzDUUUU", "X-CM-SenderInfo": "xjdrxt3q6l2u1dvotugofq/1tbiBg0DDGnL4ih7xQABsT" }, "content": "Add dma-coherent as an allowed property in the SG2042 PCIe host\ncontroller binding. SG2042's PCIe root complexes are cache-coherent\nwith the CPU.\n\nSigned-off-by: Han Gao <gaohan@iscas.ac.cn>\n---\n .../devicetree/bindings/pci/sophgo,sg2042-pcie-host.yaml | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/Documentation/devicetree/bindings/pci/sophgo,sg2042-pcie-host.yaml b/Documentation/devicetree/bindings/pci/sophgo,sg2042-pcie-host.yaml\nindex f8b7ca57fff1..ab482488b047 100644\n--- a/Documentation/devicetree/bindings/pci/sophgo,sg2042-pcie-host.yaml\n+++ b/Documentation/devicetree/bindings/pci/sophgo,sg2042-pcie-host.yaml\n@@ -30,6 +30,8 @@ properties:\n device-id:\n const: 0x2042\n \n+ dma-coherent: true\n+\n msi-parent: true\n \n allOf:\n@@ -60,5 +62,6 @@ examples:\n vendor-id = <0x1f1c>;\n device-id = <0x2042>;\n cdns,no-bar-match-nbits = <48>;\n+ dma-coherent;\n msi-parent = <&msi>;\n };\n", "prefixes": [ "1/2" ] }