linux-kernel - Re: [PATCH V11 13/15] rust: cpufreq: Extend abstractions for driver registration

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Message-ID: <6fc3e178-60f9-4b0f-9c56-6d983e4d1eed@kernel.org>
Date: Wed, 23 Apr 2025 14:08:59 +0200
From: Danilo Krummrich <dakr@...nel.org>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>,
 Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
 Danilo Krummrich <dakr@...hat.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>, linux-pm@...r.kernel.org,
 Vincent Guittot <vincent.guittot@...aro.org>, Stephen Boyd
 <sboyd@...nel.org>, Nishanth Menon <nm@...com>,
 rust-for-linux@...r.kernel.org,
 Manos Pitsidianakis <manos.pitsidianakis@...aro.org>,
 Alex Bennée <alex.bennee@...aro.org>,
 Joakim Bech <joakim.bech@...aro.org>, Rob Herring <robh@...nel.org>,
 Yury Norov <yury.norov@...il.com>, Burak Emir <bqe@...gle.com>,
 Rasmus Villemoes <linux@...musvillemoes.dk>,
 Russell King <linux@...linux.org.uk>, linux-clk@...r.kernel.org,
 Michael Turquette <mturquette@...libre.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V11 13/15] rust: cpufreq: Extend abstractions for driver
 registration

On 4/21/25 9:22 AM, Viresh Kumar wrote:
 >
> +    /// Same as [`Registration::new`], but does not return a [`Registration`] instance.
> +    ///
> +    /// Instead the [`Registration`] is owned by [`Devres`] and will be revoked / dropped, once the
> +    /// device is detached.
> +    pub fn new_foreign_owned(dev: &Device) -> Result<()> {
> +        Devres::new_foreign_owned(dev, Self::new()?, GFP_KERNEL)
> +    }

Btw. if you take it for v6.16-rc1, expect a conflict with [1].

[1] 
https://web.git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core.git/commit/?h=driver-core-next&id=f720efda2db5e609b32100c25d9cf383f082d945