linux-kernel - Re: [PATCH 0/8] Device::drvdata() and driver/driver interaction (auxiliary)

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Message-Id: <DDV0AYWXTCL5.2QDTJI55Q87CJ@kernel.org>
Date: Wed, 29 Oct 2025 19:10:27 +0100
From: "Danilo Krummrich" <dakr@...nel.org>
To: <gregkh@...uxfoundation.org>, <rafael@...nel.org>,
 <bhelgaas@...gle.com>, <kwilczynski@...nel.org>,
 <david.m.ertman@...el.com>, <ira.weiny@...el.com>, <leon@...nel.org>,
 <acourbot@...dia.com>, <ojeda@...nel.org>, <alex.gaynor@...il.com>,
 <boqun.feng@...il.com>, <gary@...yguo.net>, <bjorn3_gh@...tonmail.com>,
 <lossin@...nel.org>, <a.hindborg@...nel.org>, <aliceryhl@...gle.com>,
 <tmgross@...ch.edu>, <pcolberg@...hat.com>
Cc: <rust-for-linux@...r.kernel.org>, <linux-pci@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/8] Device::drvdata() and driver/driver interaction
 (auxiliary)

On Tue Oct 21, 2025 at 12:34 AM CEST, Danilo Krummrich wrote:

Applied to driver-core-testing, thanks!

> Danilo Krummrich (8):
>   rust: device: narrow the generic of drvdata_obtain()
>   rust: device: introduce Device::drvdata()

    [ * Remove unnecessary `const _: ()` block,
      * rename type_id_{store,match}() to {set,match}_type_id(),
      * assert size_of::<bindings::driver_type>() >= size_of::<TypeId>(),
      * add missing check in case Device::drvdata() is called from probe().

      - Danilo ]

>   rust: auxiliary: consider auxiliary devices always have a parent
>   rust: auxiliary: unregister on parent device unbind
>   rust: auxiliary: move parent() to impl Device
>   rust: auxiliary: implement parent() for Device<Bound>
>   samples: rust: auxiliary: misc cleanup of ParentDriver::connect()
>   samples: rust: auxiliary: illustrate driver interaction