linux-kernel - Re: [PATCH v6 0/2] Add a bare-minimum Regulator abstraction

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Message-Id: <CC8F34AD-811F-4504-B625-AFD845198549@collabora.com>
Date: Tue, 1 Jul 2025 12:28:37 -0300
From: Daniel Almeida <daniel.almeida@...labora.com>
To: 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>,
 Mark Brown <broonie@...nel.org>
Cc: linux-kernel@...r.kernel.org,
 rust-for-linux@...r.kernel.org
Subject: Re: [PATCH v6 0/2] Add a bare-minimum Regulator abstraction

Mark,

Is it ok for the abstraction to only be built when CONFIG_REGULATOR=y? This
means that any Rust drivers using it have to depend on CONFIG_REGULATOR too.

I thought this was acceptable, but apparently that is not the case? See this
comment from Rob Herring [0].

-- Daniel

[0] https://lore.kernel.org/rust-for-linux/a1b3561d-f5de-4474-85ef-1525a6c36bc5@arm.com/T/#mdf9d4005ee99929d0009ccc988efbc0789164b6d