linux-kernel - Re: [PATCH v3 1/3] rust: clk: use the type-state pattern

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Message-Id: <DFSODY3NWRBQ.2VGQWXERVW1R1@garyguo.net>
Date: Mon, 19 Jan 2026 15:36:44 +0000
From: "Gary Guo" <gary@...yguo.net>
To: "Miguel Ojeda" <miguel.ojeda.sandonis@...il.com>, "Gary Guo"
 <gary@...yguo.net>
Cc: "Daniel Almeida" <daniel.almeida@...labora.com>, "Rafael J. Wysocki"
 <rafael@...nel.org>, "Viresh Kumar" <viresh.kumar@...aro.org>, "Danilo
 Krummrich" <dakr@...nel.org>, "Alice Ryhl" <aliceryhl@...gle.com>, "Maarten
 Lankhorst" <maarten.lankhorst@...ux.intel.com>, "Maxime Ripard"
 <mripard@...nel.org>, "Thomas Zimmermann" <tzimmermann@...e.de>, "David
 Airlie" <airlied@...il.com>, "Simona Vetter" <simona@...ll.ch>, "Drew
 Fustini" <fustini@...nel.org>, "Guo Ren" <guoren@...nel.org>, "Fu Wei"
 <wefu@...hat.com>, Uwe Kleine-König <ukleinek@...nel.org>,
 "Michael Turquette" <mturquette@...libre.com>, "Stephen Boyd"
 <sboyd@...nel.org>, "Miguel Ojeda" <ojeda@...nel.org>, "Boqun Feng"
 <boqun.feng@...il.com>, Björn Roy Baron
 <bjorn3_gh@...tonmail.com>, "Benno Lossin" <lossin@...nel.org>, "Andreas
 Hindborg" <a.hindborg@...nel.org>, "Trevor Gross" <tmgross@...ch.edu>,
 <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <dri-devel@...ts.freedesktop.org>, <linux-riscv@...ts.infradead.org>,
 <linux-pwm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
 <rust-for-linux@...r.kernel.org>
Subject: Re: [PATCH v3 1/3] rust: clk: use the type-state pattern

On Mon Jan 19, 2026 at 3:22 PM GMT, Miguel Ojeda wrote:
> On Mon, Jan 19, 2026 at 3:20 PM Gary Guo <gary@...yguo.net> wrote:
>>
>> I guess it's time for me to work on a `#[sealed]` macro...
>
> ...and perhaps pinging upstream for the language feature... :) I added
> https://github.com/rust-lang/rust/issues/105077 to our usual list of
> wishes at https://github.com/Rust-for-Linux/linux/issues/354.
>
> Do you think using the linked crate in the commit message would make
> sense? It seems to be a couple pages of code, using `syn` 2.0, which
> should be fine now.

Which crate are you talking about? I can't find a linked crate in the issue.

Best,
Gary

>
> Another option is a "good first issue" of medium difficulty if you wish.
>
>> I wonder if it makes sense to add a general `ErrorWith` type for errors that
>> carries error code + data.
>
> Sounds reasonable...
>
> Cheers,
> Miguel