get:
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patch:
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put:
Update a patch.

GET /api/1.1/patches/2223716/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2223716,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2223716/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260416014928.1279360-15-jamin_lin@aspeedtech.com/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20260416014928.1279360-15-jamin_lin@aspeedtech.com>",
    "date": "2026-04-16T01:50:00",
    "name": "[v3,14/17] hw/arm/aspeed_ast27x0: Enable 64-bit EHCI DMA addressing",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "eb1bc826e2c750e22f9409494022159e3cdbf3a1",
    "submitter": {
        "id": 81768,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/81768/?format=api",
        "name": "Jamin Lin",
        "email": "jamin_lin@aspeedtech.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260416014928.1279360-15-jamin_lin@aspeedtech.com/mbox/",
    "series": [
        {
            "id": 500066,
            "url": "http://patchwork.ozlabs.org/api/1.1/series/500066/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500066",
            "date": "2026-04-16T01:49:32",
            "name": "hw/usb/ehci: Add 64-bit descriptor addressing support",
            "version": 3,
            "mbox": "http://patchwork.ozlabs.org/series/500066/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2223716/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2223716/checks/",
    "tags": {},
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        "From": "Jamin Lin <jamin_lin@aspeedtech.com>",
        "To": "\"philmd@linaro.org\" <philmd@linaro.org>, =?iso-8859-1?q?C=E9dric_Le_Goat?=\n\t=?iso-8859-1?q?er?= <clg@kaod.org>, Peter Maydell <peter.maydell@linaro.org>,\n Steven Lee <steven_lee@aspeedtech.com>, Troy Lee <leetroy@gmail.com>,\n Kane Chen <kane_chen@aspeedtech.com>,\n Andrew Jeffery <andrew@codeconstruct.com.au>, Joel Stanley <joel@jms.id.au>,\n \"open list:ASPEED BMCs\" <qemu-arm@nongnu.org>,\n \"open list:All patches CC here\" <qemu-devel@nongnu.org>",
        "CC": "Jamin Lin <jamin_lin@aspeedtech.com>, Troy Lee <troy_lee@aspeedtech.com>,\n  \"flwu@google.com\" <flwu@google.com>,\n \"nabihestefan@google.com\" <nabihestefan@google.com>, =?iso-8859-1?q?C=E9dri?=\n\t=?iso-8859-1?q?c_Le_Goater?= <clg@redhat.com>",
        "Subject": "[PATCH v3 14/17] hw/arm/aspeed_ast27x0: Enable 64-bit EHCI DMA\n addressing",
        "Thread-Topic": "[PATCH v3 14/17] hw/arm/aspeed_ast27x0: Enable 64-bit EHCI DMA\n addressing",
        "Thread-Index": "AQHczUNV6D3aEL8Rv0aA8A5mw4QkZw==",
        "Date": "Thu, 16 Apr 2026 01:50:00 +0000",
        "Message-ID": "<20260416014928.1279360-15-jamin_lin@aspeedtech.com>",
        "References": "<20260416014928.1279360-1-jamin_lin@aspeedtech.com>",
        "In-Reply-To": "<20260416014928.1279360-1-jamin_lin@aspeedtech.com>",
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        "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"
    },
    "content": "AST2700 supports a 64-bit DRAM address space. Therefore, DMA\ntransactions must be capable of accessing 64-bit addresses.\n\nEnable the \"caps-64bit-addr\" property for the EHCI controllers\non AST2700 so that USB DMA operations can correctly handle\n64-bit memory addresses.\n\nSigned-off-by: Jamin Lin <jamin_lin@aspeedtech.com>\nReviewed-by: Cédric Le Goater <clg@redhat.com>\n---\n hw/arm/aspeed_ast27x0.c | 2 ++\n 1 file changed, 2 insertions(+)",
    "diff": "diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c\nindex 87dcb82e1b..4a1f7cad73 100644\n--- a/hw/arm/aspeed_ast27x0.c\n+++ b/hw/arm/aspeed_ast27x0.c\n@@ -856,6 +856,8 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)\n \n     /* EHCI */\n     for (i = 0; i < sc->ehcis_num; i++) {\n+        object_property_set_bool(OBJECT(&s->ehci[i]), \"caps-64bit-addr\", true,\n+                                 &error_abort);\n         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), errp)) {\n             return;\n         }\n",
    "prefixes": [
        "v3",
        "14/17"
    ]
}