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GET /api/1.1/patches/2232035/?format=api
{ "id": 2232035, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2232035/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260502101319.2364052-2-inochiama@gmail.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.1/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 }, "msgid": "<20260502101319.2364052-2-inochiama@gmail.com>", "date": "2026-05-02T10:13:14", "name": "[1/5] PCI: spacemit-k1: Add device data support", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1509c0d6dbb05b69172eb8c50eb404337b2d234a", "submitter": { "id": 89342, "url": "http://patchwork.ozlabs.org/api/1.1/people/89342/?format=api", "name": "Inochi Amaoto", "email": "inochiama@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260502101319.2364052-2-inochiama@gmail.com/mbox/", "series": [ { "id": 502524, "url": "http://patchwork.ozlabs.org/api/1.1/series/502524/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=502524", "date": "2026-05-02T10:13:13", "name": "riscv: spacemit: Add PCIe RC controller support for K3", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502524/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2232035/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2232035/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-pci+bounces-53619-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=pass (2048-bit key;\n unprotected) header.d=gmail.com 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Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>,\n Yixun Lan <dlan@kernel.org>, Paul Walmsley <pjw@kernel.org>,\n Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>,\n Alexandre Ghiti <alex@ghiti.fr>, Inochi Amaoto <inochiama@gmail.com>,\n Alex Elder <elder@riscstar.com>,\n Gustavo Pimentel <gustavo.pimentel@synopsys.com>", "Cc": "linux-pci@vger.kernel.org,\n\tdevicetree@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tlinux-riscv@lists.infradead.org,\n\tspacemit@lists.linux.dev,\n\tYixun Lan <dlan@gentoo.org>,\n\tLongbin Li <looong.bin@gmail.com>", "Subject": "[PATCH 1/5] PCI: spacemit-k1: Add device data support", "Date": "Sat, 2 May 2026 18:13:14 +0800", "Message-ID": "<20260502101319.2364052-2-inochiama@gmail.com>", "X-Mailer": "git-send-email 2.54.0", "In-Reply-To": "<20260502101319.2364052-1-inochiama@gmail.com>", "References": "<20260502101319.2364052-1-inochiama@gmail.com>", "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" }, "content": "To reuse the K1 PCIe driver logic for K3 PCIe controller, add device\ndata to handle the K1 specific logic and make room for the incoming\nlogic for K3.\n\nSigned-off-by: Inochi Amaoto <inochiama@gmail.com>\n---\n drivers/pci/controller/dwc/pcie-spacemit-k1.c | 35 ++++++++++++++++---\n 1 file changed, 31 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/pci/controller/dwc/pcie-spacemit-k1.c b/drivers/pci/controller/dwc/pcie-spacemit-k1.c\nindex be20a520255b..cd3cd038ad2b 100644\n--- a/drivers/pci/controller/dwc/pcie-spacemit-k1.c\n+++ b/drivers/pci/controller/dwc/pcie-spacemit-k1.c\n@@ -57,6 +57,13 @@ struct k1_pcie {\n \tu32 pmu_off;\n };\n \n+struct k1_pcie_device_data {\n+\tconst struct dw_pcie_host_ops *host_ops;\n+\tconst struct dw_pcie_ops *ops;\n+\tint (*parse_port)(struct k1_pcie *k1);\n+\tint (*post_init)(struct k1_pcie *k1);\n+};\n+\n #define to_k1_pcie(dw_pcie) \\\n \t\tplatform_get_drvdata(to_platform_device((dw_pcie)->dev))\n \n@@ -278,10 +285,15 @@ static int k1_pcie_parse_port(struct k1_pcie *k1)\n \n static int k1_pcie_probe(struct platform_device *pdev)\n {\n+\tconst struct k1_pcie_device_data *data;\n \tstruct device *dev = &pdev->dev;\n \tstruct k1_pcie *k1;\n \tint ret;\n \n+\tdata = device_get_match_data(dev);\n+\tif (!data)\n+\t\treturn -ENODEV;\n+\n \tk1 = devm_kzalloc(dev, sizeof(*k1), GFP_KERNEL);\n \tif (!k1)\n \t\treturn -ENOMEM;\n@@ -299,11 +311,11 @@ static int k1_pcie_probe(struct platform_device *pdev)\n \t\t\t\t \"failed to map \\\"link\\\" registers\\n\");\n \n \tk1->pci.dev = dev;\n-\tk1->pci.ops = &k1_pcie_ops;\n+\tk1->pci.ops = data->ops;\n \tk1->pci.pp.num_vectors = MAX_MSI_IRQS;\n \tdw_pcie_cap_set(&k1->pci, REQ_RES);\n \n-\tk1->pci.pp.ops = &k1_pcie_host_ops;\n+\tk1->pci.pp.ops = data->host_ops;\n \n \t/* Hold the PHY in reset until we start the link */\n \tregmap_set_bits(k1->pmu, k1->pmu_off + PCIE_CLK_RESET_CONTROL,\n@@ -320,7 +332,7 @@ static int k1_pcie_probe(struct platform_device *pdev)\n \n \tplatform_set_drvdata(pdev, k1);\n \n-\tret = k1_pcie_parse_port(k1);\n+\tret = data->parse_port(k1);\n \tif (ret)\n \t\treturn dev_err_probe(dev, ret, \"failed to parse root port\\n\");\n \n@@ -328,6 +340,15 @@ static int k1_pcie_probe(struct platform_device *pdev)\n \tif (ret)\n \t\treturn dev_err_probe(dev, ret, \"failed to initialize host\\n\");\n \n+\tif (data->post_init) {\n+\t\tret = data->post_init(k1);\n+\t\tif (ret) {\n+\t\t\tdw_pcie_host_deinit(&k1->pci.pp);\n+\t\t\treturn dev_err_probe(dev, ret,\n+\t\t\t\t\t \"Failed to post init\\n\");\n+\t\t}\n+\t}\n+\n \treturn 0;\n }\n \n@@ -338,8 +359,14 @@ static void k1_pcie_remove(struct platform_device *pdev)\n \tdw_pcie_host_deinit(&k1->pci.pp);\n }\n \n+static const struct k1_pcie_device_data k1_pcie_device_data = {\n+\t.host_ops\t= &k1_pcie_host_ops,\n+\t.ops\t\t= &k1_pcie_ops,\n+\t.parse_port\t= k1_pcie_parse_port,\n+};\n+\n static const struct of_device_id k1_pcie_of_match_table[] = {\n-\t{ .compatible = \"spacemit,k1-pcie\", },\n+\t{ .compatible = \"spacemit,k1-pcie\", .data = &k1_pcie_device_data},\n \t{ }\n };\n \n", "prefixes": [ "1/5" ] }