linux-kernel - Re: [PATCH v3] rust: regulator: add a bare minimum regulator abstraction

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Message-ID: <9cb3fe58-de4c-4481-a36f-673d85dc0ecd@sirena.org.uk>
Date: Mon, 19 May 2025 10:54:09 +0100
From: Mark Brown <broonie@...nel.org>
To: Alexandre Courbot <acourbot@...dia.com>
Cc: Daniel Almeida <daniel.almeida@...labora.com>,
	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 <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	Boris Brezillon <boris.brezillon@...labora.com>,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	Liam Girdwood <lgirdwood@...il.com>, linux-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org
Subject: Re: [PATCH v3] rust: regulator: add a bare minimum regulator
 abstraction

On Sun, May 18, 2025 at 09:49:00PM +0900, Alexandre Courbot wrote:

> What things that are possible with the C API do you think should *not*
> ever be done? That's typically around these kind of restrictions that
> Rust abstractions should be designed, so you cannot end up in any
> undesired state no matter what sequence of methods you call.

There's nothing that should *never* be used, but there's a bunch of
things like _is_enabled() and _get_optional() where the uses are
specialist and people are far too enthusiastic about using them.

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