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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aCS7Yr8TIGES8BNN@finisterre.sirena.org.uk>
Date: Wed, 14 May 2025 17:48:50 +0200
From: Mark Brown <broonie@...nel.org>
To: Daniel Almeida <daniel.almeida@...labora.com>
Cc: Benno Lossin <lossin@...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 <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 Wed, May 14, 2025 at 11:40:15AM -0300, Daniel Almeida wrote:

> By the way, IIUC, regulator_disable() does not disable a regulator necessarily.
> It just tells the system that you don't care about it being enabled anymore. It can
> still remain on if there are other users.

Or just if there's no physical control of the regulator, or no
permission to control it.  It's logically disabled from the point of
view of the consumer - the consumer can't assume that the regulator will
be enabled unless it holds a reference on the regulator.

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)