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GET /api/patches/2194341/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2194341,
    "url": "http://patchwork.ozlabs.org/api/patches/2194341/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260208180746.2024338-6-mmaddireddy@nvidia.com/",
    "project": {
        "id": 21,
        "url": "http://patchwork.ozlabs.org/api/projects/21/?format=api",
        "name": "Linux Tegra Development",
        "link_name": "linux-tegra",
        "list_id": "linux-tegra.vger.kernel.org",
        "list_email": "linux-tegra@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260208180746.2024338-6-mmaddireddy@nvidia.com>",
    "list_archive_url": null,
    "date": "2026-02-08T18:07:38",
    "name": "[V5,05/13] PCI: tegra194: Use HW version number",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "b8dccc38a7da385da8ec0e1681ced312ebba8304",
    "submitter": {
        "id": 72399,
        "url": "http://patchwork.ozlabs.org/api/people/72399/?format=api",
        "name": "Manikanta Maddireddy",
        "email": "mmaddireddy@nvidia.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260208180746.2024338-6-mmaddireddy@nvidia.com/mbox/",
    "series": [
        {
            "id": 491428,
            "url": "http://patchwork.ozlabs.org/api/series/491428/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/list/?series=491428",
            "date": "2026-02-08T18:07:33",
            "name": "Fixes to pcie-tegra194 driver",
            "version": 5,
            "mbox": "http://patchwork.ozlabs.org/series/491428/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2194341/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2194341/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Manikanta Maddireddy <mmaddireddy@nvidia.com>",
        "To": "<bhelgaas@google.com>, <lpieralisi@kernel.org>, <kwilczynski@kernel.org>,\n\t<mani@kernel.org>, <robh@kernel.org>, <krzk+dt@kernel.org>,\n\t<conor+dt@kernel.org>, <thierry.reding@gmail.com>, <jonathanh@nvidia.com>,\n\t<jingoohan1@gmail.com>, <vidyas@nvidia.com>, <cassel@kernel.org>,\n\t<18255117159@163.com>",
        "CC": "<linux-pci@vger.kernel.org>, <devicetree@vger.kernel.org>,\n\t<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>, \"Manikanta\n Maddireddy\" <mmaddireddy@nvidia.com>",
        "Subject": "[V5,05/13] PCI: tegra194: Use HW version number",
        "Date": "Sun, 8 Feb 2026 23:37:38 +0530",
        "Message-ID": "<20260208180746.2024338-6-mmaddireddy@nvidia.com>",
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    },
    "content": "Tegra194 PCIe driver uses custom version number to detect Tegra194 and\nTegra234 IPs. With version detect logic added, version check results\nin mismatch warnings.\n\nUse HW version numbers in Tegra194 driver to avoid this kernel warnings.\n\nFixed version check to enable ecrc for Tegra194.\nExisting 490A check is left intact in case any HW relying on existing check.\n\nFixes: a54e19073718 (\"PCI: tegra194: Add Tegra234 PCIe support\")\nSigned-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>\n---\nV5:\n* None\n\nV4:\n* None\n\nV3:\n* None\n\nV2:\n* None\n\n drivers/pci/controller/dwc/pcie-designware.c | 2 +-\n drivers/pci/controller/dwc/pcie-designware.h | 2 ++\n drivers/pci/controller/dwc/pcie-tegra194.c   | 4 ++--\n 3 files changed, 5 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c\nindex 345365ea97c7..0dac5d2f5a83 100644\n--- a/drivers/pci/controller/dwc/pcie-designware.c\n+++ b/drivers/pci/controller/dwc/pcie-designware.c\n@@ -559,7 +559,7 @@ int dw_pcie_prog_outbound_atu(struct dw_pcie *pci,\n \tif (upper_32_bits(limit_addr) > upper_32_bits(parent_bus_addr) &&\n \t    dw_pcie_ver_is_ge(pci, 460A))\n \t\tval |= PCIE_ATU_INCREASE_REGION_SIZE;\n-\tif (dw_pcie_ver_is(pci, 490A))\n+\tif (dw_pcie_ver_is(pci, 490A) || dw_pcie_ver_is(pci, 500A))\n \t\tval = dw_pcie_enable_ecrc(val);\n \tdw_pcie_writel_atu_ob(pci, atu->index, PCIE_ATU_REGION_CTRL1, val);\n \ndiff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h\nindex f4cf1602cc99..5bceadbd2c9f 100644\n--- a/drivers/pci/controller/dwc/pcie-designware.h\n+++ b/drivers/pci/controller/dwc/pcie-designware.h\n@@ -34,8 +34,10 @@\n #define DW_PCIE_VER_470A\t\t0x3437302a\n #define DW_PCIE_VER_480A\t\t0x3438302a\n #define DW_PCIE_VER_490A\t\t0x3439302a\n+#define DW_PCIE_VER_500A\t\t0x3530302a\n #define DW_PCIE_VER_520A\t\t0x3532302a\n #define DW_PCIE_VER_540A\t\t0x3534302a\n+#define DW_PCIE_VER_562A\t\t0x3536322a\n \n #define __dw_pcie_ver_cmp(_pci, _ver, _op) \\\n \t((_pci)->version _op DW_PCIE_VER_ ## _ver)\ndiff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c\nindex 1dba3a2d8eae..3924ac123183 100644\n--- a/drivers/pci/controller/dwc/pcie-tegra194.c\n+++ b/drivers/pci/controller/dwc/pcie-tegra194.c\n@@ -35,8 +35,8 @@\n #include <soc/tegra/bpmp-abi.h>\n #include \"../../pci.h\"\n \n-#define TEGRA194_DWC_IP_VER\t\t\t0x490A\n-#define TEGRA234_DWC_IP_VER\t\t\t0x562A\n+#define TEGRA194_DWC_IP_VER\t\t\tDW_PCIE_VER_500A\n+#define TEGRA234_DWC_IP_VER\t\t\tDW_PCIE_VER_562A\n \n #define APPL_PINMUX\t\t\t\t0x0\n #define APPL_PINMUX_PEX_RST\t\t\tBIT(0)\n",
    "prefixes": [
        "V5",
        "05/13"
    ]
}