linux-kernel - Re: [PATCH 1/2] rust: regulator: remove Regulator<Dynamic>

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Message-Id: <DCFIDJ3L14Z5.33N8H76S1GBW2@nvidia.com>
Date: Sat, 30 Aug 2025 14:21:30 +0900
From: "Alexandre Courbot" <acourbot@...dia.com>
To: "Daniel Almeida" <daniel.almeida@...labora.com>, "Liam Girdwood"
 <lgirdwood@...il.com>, "Mark Brown" <broonie@...nel.org>, "Miguel Ojeda"
 <ojeda@...nel.org>, "Alex Gaynor" <alex.gaynor@...il.com>, "Boqun Feng"
 <boqun.feng@...il.com>, "Gary Guo" <gary@...yguo.net>,
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, "Benno Lossin"
 <lossin@...nel.org>, "Andreas Hindborg" <a.hindborg@...nel.org>, "Alice
 Ryhl" <aliceryhl@...gle.com>, "Trevor Gross" <tmgross@...ch.edu>, "Danilo
 Krummrich" <dakr@...nel.org>
Cc: <linux-kernel@...r.kernel.org>, <rust-for-linux@...r.kernel.org>
Subject: Re: [PATCH 1/2] rust: regulator: remove Regulator<Dynamic>

On Sat Aug 30, 2025 at 6:11 AM JST, Daniel Almeida wrote:
> After some experimenting and further discussion, it is starting to look
> like Regulator<Dynamic> might be a footgun. It turns out that one can
> get the same behavior by correctly using just Regulator<Enabled> and
> Regulator<Disabled>, so there is no need to directly expose the manual
> refcounting ability of Regulator<Dynamic> to clients.
>
> Remove it while we do not have any other users.
>
> Suggested-by: Danilo Krummrich <dakr@...nel.org>
> Signed-off-by: Daniel Almeida <daniel.almeida@...labora.com>

Reviewed-by: Alexandre Courbot <acourbot@...dia.com>