linux-kernel - Re: [PATCH 1/4] rust: device: support `dev

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Message-Id: <DFUC4N7OZ43Z.XFIJ7M0P2TM5@kernel.org>
Date: Wed, 21 Jan 2026 15:25:42 +0100
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Gary Guo" <gary@...yguo.net>
Cc: "Gary Guo" <gary@...nel.org>, "Greg Kroah-Hartman"
 <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>,
 "Miguel Ojeda" <ojeda@...nel.org>, "Boqun Feng" <boqun.feng@...il.com>,
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, "Benno Lossin"
 <lossin@...nel.org>, "Andreas Hindborg" <a.hindborg@...nel.org>, "Alice
 Ryhl" <aliceryhl@...gle.com>, "Trevor Gross" <tmgross@...ch.edu>, "Bjorn
 Helgaas" <bhelgaas@...gle.com>, Krzysztof Wilczyński
 <kwilczynski@...nel.org>, <rust-for-linux@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 1/4] rust: device: support `dev_printk` on all devices

On Wed Jan 21, 2026 at 2:46 PM CET, Gary Guo wrote:
> I converted them as they're the users that benefit from this behaviour in the
> kernel crate (i.e. "convert the users"). Do you want them separate so you can
> take it via a different tree?

No it eventually goes through the same tree, but in general patches should be
split up per subsystem / component / driver if possible.

For instance, the split should go as follows:

1. DMA
  - samples/rust/rust_dma.rs

2. DRIVER CORE
  - samples/rust/rust_driver_auxiliary.rs
  - samples/rust/rust_driver_faux.rs
  - samples/rust/rust_driver_platform.rs

3. PCI
  - rust/kernel/pci.rs
  - samples/rust/rust_driver_pci.rs

4. I2C
  - samples/rust/rust_driver_i2c.rs
  - samples/rust/rust_i2c_client.rs