get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/2194177/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2194177,
    "url": "http://patchwork.ozlabs.org/api/patches/2194177/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260207-rust_leds-v12-2-fdb518417b75@posteo.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": "<20260207-rust_leds-v12-2-fdb518417b75@posteo.de>",
    "list_archive_url": null,
    "date": "2026-02-07T00:12:44",
    "name": "[v12,2/3] rust: leds: add Mode trait",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "c94b45378ca80ed06473a5a193ced03808c657ef",
    "submitter": {
        "id": 91819,
        "url": "http://patchwork.ozlabs.org/api/people/91819/?format=api",
        "name": "Markus Probst",
        "email": "markus.probst@posteo.de"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260207-rust_leds-v12-2-fdb518417b75@posteo.de/mbox/",
    "series": [
        {
            "id": 491353,
            "url": "http://patchwork.ozlabs.org/api/series/491353/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=491353",
            "date": "2026-02-07T00:12:41",
            "name": "rust: leds: add led classdev abstractions",
            "version": 12,
            "mbox": "http://patchwork.ozlabs.org/series/491353/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2194177/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2194177/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        ],
        "Delivered-To": "patchwork-incoming@legolas.ozlabs.org",
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        ],
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            "from submission (posteo.de [185.67.36.169])\n\tby mout02.posteo.de (Postfix) with ESMTPS id 88717240103\n\tfor <linux-pci@vger.kernel.org>; Sat,  7 Feb 2026 01:12:45 +0100 (CET)",
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        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=posteo.de; s=2017;\n\tt=1770423165; bh=v8cLqUieEs0JysNeR39g8bKbGhfUSOOCicj1k4Kj/wI=;\n\th=From:Date:Subject:MIME-Version:Content-Type:\n\t Content-Transfer-Encoding:Message-Id:To:Cc:Autocrypt:OpenPGP:From;\n\tb=I3rby5Nf6QgqU7PDylxuy1KoyJBgw4DHZOlmxrfKQ44qTRihWtExj8WuTsxSu86G7\n\t r50U0h4mvoTDtQU7GE1Xxing8niFuJG8lBUO2ftJxrlaNg/cPW3kJ5GRamfV2LgLH8\n\t 24LOCZ1HbbNLGjFSW7upIt7cInKvl4cOY74Fj6PekEDuDHNixNDbFm3ssl8i1tMfwP\n\t lZUPx1jwzhVbAnun0pcP3OxCVG4SKsQcw5dbgXkJOWOyafkTZqP7fSyFc5FJKSbr+1\n\t pUsmXJ11hfsa8AnwCMGgz/uVaI0NOFmYbxYaluL2MwrfpfTZytQUZlPmlXCCNPmnCV\n\t Hy/IjkGBKROhg==",
        "From": "Markus Probst <markus.probst@posteo.de>",
        "Date": "Sat, 07 Feb 2026 00:12:44 +0000",
        "Subject": "[PATCH v12 2/3] rust: leds: add Mode trait",
        "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>",
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        "Message-Id": "<20260207-rust_leds-v12-2-fdb518417b75@posteo.de>",
        "References": "<20260207-rust_leds-v12-0-fdb518417b75@posteo.de>",
        "In-Reply-To": "<20260207-rust_leds-v12-0-fdb518417b75@posteo.de>",
        "To": "Lee Jones <lee@kernel.org>, Pavel Machek <pavel@kernel.org>,\n  Greg Kroah-Hartman <gregkh@linuxfoundation.org>,\n  Dave Ertman <david.m.ertman@intel.com>, Ira Weiny <ira.weiny@intel.com>,\n  Leon Romanovsky <leon@kernel.org>, Miguel Ojeda <ojeda@kernel.org>,\n  Alex Gaynor <alex.gaynor@gmail.com>, Boqun Feng <boqun.feng@gmail.com>,\n  Gary Guo <gary@garyguo.net>,\n =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>,\n  Benno Lossin <lossin@kernel.org>, Andreas Hindborg <a.hindborg@kernel.org>,\n  Alice Ryhl <aliceryhl@google.com>, Trevor Gross <tmgross@umich.edu>,\n  Danilo Krummrich <dakr@kernel.org>, \"Rafael J. Wysocki\" <rafael@kernel.org>,\n  Bjorn Helgaas <bhelgaas@google.com>,\n =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= <kwilczynski@kernel.org>",
        "Cc": "rust-for-linux@vger.kernel.org, linux-leds@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,\n Markus Probst <markus.probst@posteo.de>",
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        "X-Developer-Key": "i=markus.probst@posteo.de; a=openpgp;\n fpr=827418C4F4AC58E77230C47334761FF8E7AD43D2",
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        "OpenPGP": "url=https://posteo.de/keys/markus.probst@posteo.de.asc;\n preference=encrypt"
    },
    "content": "Add the `led::Mode` trait to allow for other types of led class devices\nin `led::LedOps`.\n\nSigned-off-by: Markus Probst <markus.probst@posteo.de>\n---\n rust/kernel/led.rs        | 32 ++++++++++++++++++++++++++++----\n rust/kernel/led/normal.rs | 24 ++++++++++++++++--------\n 2 files changed, 44 insertions(+), 12 deletions(-)",
    "diff": "diff --git a/rust/kernel/led.rs b/rust/kernel/led.rs\nindex 646846c56a01..3d5d78df44cf 100644\n--- a/rust/kernel/led.rs\n+++ b/rust/kernel/led.rs\n@@ -35,7 +35,7 @@\n \n mod normal;\n \n-pub use normal::Device;\n+pub use normal::{Device, Normal};\n \n /// The builder to register a led class device.\n ///\n@@ -134,6 +134,7 @@ pub fn color(self, color: Color) -> Self {\n /// #[vtable]\n /// impl led::LedOps for MyLedOps {\n ///     type Bus = platform::Device<device::Bound>;\n+///     type Mode = led::Normal;\n ///     const BLOCKING: bool = false;\n ///     const MAX_BRIGHTNESS: u32 = 255;\n ///\n@@ -165,6 +166,11 @@ pub trait LedOps: Send + 'static + Sized {\n     #[allow(private_bounds)]\n     type Bus: AsBusDevice<Bound>;\n \n+    /// The led mode to use.\n+    ///\n+    /// See [`Mode`].\n+    type Mode: Mode;\n+\n     /// If set true, [`LedOps::brightness_set`] and [`LedOps::blink_set`] must perform the\n     /// operation immediately. If set false, they must not sleep.\n     const BLOCKING: bool;\n@@ -177,12 +183,16 @@ pub trait LedOps: Send + 'static + Sized {\n     fn brightness_set(\n         &self,\n         dev: &Self::Bus,\n-        classdev: &Device<Self>,\n+        classdev: &<Self::Mode as Mode>::Device<Self>,\n         brightness: u32,\n     ) -> Result<()>;\n \n     /// Gets the current brightness level.\n-    fn brightness_get(&self, dev: &Self::Bus, classdev: &Device<Self>) -> u32 {\n+    fn brightness_get(\n+        &self,\n+        dev: &Self::Bus,\n+        classdev: &<Self::Mode as Mode>::Device<Self>,\n+    ) -> u32 {\n         let _ = (dev, classdev);\n         build_error!(VTABLE_DEFAULT_ERROR)\n     }\n@@ -198,7 +208,7 @@ fn brightness_get(&self, dev: &Self::Bus, classdev: &Device<Self>) -> u32 {\n     fn blink_set(\n         &self,\n         dev: &Self::Bus,\n-        classdev: &Device<Self>,\n+        classdev: &<Self::Mode as Mode>::Device<Self>,\n         delay_on: &mut usize,\n         delay_off: &mut usize,\n     ) -> Result<()> {\n@@ -250,3 +260,17 @@ fn try_from(value: u32) -> core::result::Result<Self, Self::Error> {\n         }\n     }\n }\n+\n+/// The led mode.\n+///\n+/// Each led mode has its own led class device type with different capabilities.\n+///\n+/// See [`Normal`].\n+pub trait Mode: private::Sealed {\n+    /// The class device for the led mode.\n+    type Device<T: LedOps<Mode = Self>>;\n+}\n+\n+mod private {\n+    pub trait Sealed {}\n+}\ndiff --git a/rust/kernel/led/normal.rs b/rust/kernel/led/normal.rs\nindex efce886b5c04..60369558853b 100644\n--- a/rust/kernel/led/normal.rs\n+++ b/rust/kernel/led/normal.rs\n@@ -6,11 +6,19 @@\n \n use super::*;\n \n+/// The led mode for the `struct led_classdev`. Leds with this mode can only have a fixed color.\n+pub enum Normal {}\n+\n+impl Mode for Normal {\n+    type Device<T: LedOps<Mode = Self>> = Device<T>;\n+}\n+impl private::Sealed for Normal {}\n+\n /// The led class device representation.\n ///\n /// This structure represents the Rust abstraction for a led class device.\n #[pin_data(PinnedDrop)]\n-pub struct Device<T: LedOps> {\n+pub struct Device<T: LedOps<Mode = Normal>> {\n     #[pin]\n     ops: T,\n     #[pin]\n@@ -19,7 +27,7 @@ pub struct Device<T: LedOps> {\n \n impl<'a> DeviceBuilder<'a> {\n     /// Registers a new [`Device`].\n-    pub fn build<T: LedOps>(\n+    pub fn build<T: LedOps<Mode = Normal>>(\n         self,\n         parent: &'a T::Bus,\n         ops: impl PinInit<T, Error> + 'a,\n@@ -84,7 +92,7 @@ pub fn build<T: LedOps>(\n     }\n }\n \n-impl<T: LedOps> Device<T> {\n+impl<T: LedOps<Mode = Normal>> Device<T> {\n     /// # Safety\n     /// `led_cdev` must be a valid pointer to a `led_classdev` embedded within a\n     /// `led::Device`.\n@@ -102,17 +110,17 @@ fn parent(&self) -> &device::Device<Bound> {\n }\n \n // SAFETY: A `led::Device` can be unregistered from any thread.\n-unsafe impl<T: LedOps + Send> Send for Device<T> {}\n+unsafe impl<T: LedOps<Mode = Normal> + Send> Send for Device<T> {}\n \n // SAFETY: `led::Device` can be shared among threads because all methods of `led::Device`\n // are thread safe.\n-unsafe impl<T: LedOps + Sync> Sync for Device<T> {}\n+unsafe impl<T: LedOps<Mode = Normal> + Sync> Sync for Device<T> {}\n \n-struct Adapter<T: LedOps> {\n+struct Adapter<T: LedOps<Mode = Normal>> {\n     _p: PhantomData<T>,\n }\n \n-impl<T: LedOps> Adapter<T> {\n+impl<T: LedOps<Mode = Normal>> Adapter<T> {\n     /// # Safety\n     /// `led_cdev` must be a valid pointer to a `led_classdev` embedded within a\n     /// `led::Device`.\n@@ -198,7 +206,7 @@ impl<T: LedOps> Adapter<T> {\n }\n \n #[pinned_drop]\n-impl<T: LedOps> PinnedDrop for Device<T> {\n+impl<T: LedOps<Mode = Normal>> PinnedDrop for Device<T> {\n     fn drop(self: Pin<&mut Self>) {\n         let raw = self.classdev.get();\n         // SAFETY: The existence of `self` guarantees that `self.classdev.get()` is a pointer to a\n",
    "prefixes": [
        "v12",
        "2/3"
    ]
}