From: Igor Korotin <igor.korotin.linux@gmail.com>
To: "Shankari Anand" <shankari.ak0208@gmail.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Arve Hjønnevåg" <arve@android.com>,
"Todd Kjos" <tkjos@android.com>,
"Martijn Coenen" <maco@android.com>,
"Joel Fernandes" <joelagnelf@nvidia.com>,
"Christian Brauner" <brauner@kernel.org>,
"Carlos Llamas" <cmllamas@google.com>,
"Suren Baghdasaryan" <surenb@google.com>,
"Danilo Krummrich" <dakr@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Alexandre Courbot" <acourbot@nvidia.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Michal Wilczynski" <m.wilczynski@samsung.com>
Cc: "Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Abdiel Janulgue" <abdiel.janulgue@gmail.com>,
"Robin Murphy" <robin.murphy@arm.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
nouveau@lists.freedesktop.org, rust-for-linux@vger.kernel.org,
linux-pwm@vger.kernel.org
Subject: Re: [PATCH 05/10] rust: kernel: Update ARef and AlwaysRefCounted imports to use sync::aref
Date: Sun, 23 Nov 2025 13:16:24 +0000 [thread overview]
Message-ID: <7bd3232c-90cc-4e71-8aed-2ac911cb20f9@gmail.com> (raw)
In-Reply-To: <20251123092438.182251-6-shankari.ak0208@gmail.com>
Hello Shankari
On 11/23/2025 9:24 AM, Shankari Anand wrote:
> Update call sites in `i2c.rs` to import `ARef` and
> `AlwaysRefCounted` from `sync::aref` instead of `types`.
>
> This aligns with the ongoing effort to move `ARef` and
> `AlwaysRefCounted` to sync.
>
> Suggested-by: Benno Lossin <lossin@kernel.org>
> Link: https://github.com/Rust-for-Linux/linux/issues/1173
> Signed-off-by: Shankari Anand <shankari.ak0208@gmail.com>
> ---
> rust/kernel/i2c.rs | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/rust/kernel/i2c.rs b/rust/kernel/i2c.rs
> index 1aee46f59460..c50ca464d87c 100644
> --- a/rust/kernel/i2c.rs
> +++ b/rust/kernel/i2c.rs
> @@ -17,10 +17,8 @@
> of,
> prelude::*,
> str::CStrExt as _,
> - types::{
> - AlwaysRefCounted,
> - Opaque, //
> - }, //
> + sync::aref::AlwaysRefCounted,
> + types::Opaque, //
> };
>
> use core::{
> @@ -32,7 +30,7 @@
> }, //
> };
>
> -use kernel::types::ARef;
> +use kernel::sync::aref::ARef;
>
> /// An I2C device id table.
> #[repr(transparent)]
> @@ -408,7 +406,7 @@ pub fn get(index: i32) -> Result<ARef<Self>> {
> kernel::impl_device_context_into_aref!(I2cAdapter);
>
> // SAFETY: Instances of `I2cAdapter` are always reference-counted.
> -unsafe impl crate::types::AlwaysRefCounted for I2cAdapter {
> +unsafe impl crate::sync::aref::AlwaysRefCounted for I2cAdapter {
NIT: This module already imports `AlwaysRefCounted`, so please use the
imported name instead of the full path for consistency.
> fn inc_ref(&self) {
> // SAFETY: The existence of a shared reference guarantees that the refcount is non-zero.
> unsafe { bindings::i2c_get_adapter(self.index()) };
Thanks
Igor
next prev parent reply other threads:[~2025-11-23 13:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-23 9:24 [PATCH 00/10] rust: refactor ARef and AlwaysRefCounted imports Shankari Anand
2025-11-23 9:24 ` [PATCH 01/10] drivers: android: binder: Update ARef imports from sync::aref Shankari Anand
2025-11-23 9:24 ` [PATCH 02/10] drivers: gpu: " Shankari Anand
2025-11-23 9:24 ` [PATCH 03/10] rust: device: Update ARef and AlwaysRefCounted " Shankari Anand
2025-11-23 9:24 ` [PATCH 04/10] rust: drm: Update AlwaysRefCounted imports to use sync::aref Shankari Anand
2025-11-23 9:24 ` [PATCH 05/10] rust: kernel: Update ARef and " Shankari Anand
2025-11-23 13:16 ` Igor Korotin [this message]
2025-11-23 9:24 ` [PATCH 06/10] " Shankari Anand
2025-11-23 9:24 ` [PATCH 07/10] rust: kernel: Update ARef " Shankari Anand
2025-11-23 9:24 ` [PATCH 08/10] rust: kernel: Update AlwaysRefCounted " Shankari Anand
2025-11-23 9:24 ` [PATCH 09/10] samples: rust: Update ARef " Shankari Anand
2025-11-23 9:24 ` [PATCH 10/10] rust: kernel: remove temporary re-exports of ARef and AlwaysRefCounted Shankari Anand
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