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

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Message-ID: <95ae81a3-4800-4598-a910-31c27d543b06@sirena.org.uk>
Date: Mon, 19 May 2025 10:55:00 +0100
From: Mark Brown <broonie@...nel.org>
To: Alexandre Courbot <acourbot@...dia.com>
Cc: Benno Lossin <lossin@...nel.org>,
	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 09:51:33PM +0900, Alexandre Courbot wrote:
> On Sun May 18, 2025 at 9:20 PM JST, Mark Brown wrote:

> > It's so that if you have multiple logical users within the device (eg,
> > an interrupt handler and code for normal operation) they can work
> > independently of each other.  You could also request the regulator
> > multiple times but that's often not idiomatic.

> I guess this means that we want to preserve this use-case with Rust as
> well?

Perhaps.  It might be that the multiple requests approach is more
idiomatic in rust than it is un C.

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