linux-kernel - Re: [PATCH v3 4/4] samples: rust: add ACPI match table example to platform driver

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Message-Id: <DAGZQQ0GQGI7.3QYQ39S6RPC2Z@kernel.org>
Date: Sun, 08 Jun 2025 09:58:46 +0200
From: "Benno Lossin" <lossin@...nel.org>
To: "Igor Korotin" <igor.korotin.linux@...il.com>, <ojeda@...nel.org>,
 <alex.gaynor@...il.com>, <rafael@...nel.org>, <gregkh@...uxfoundation.org>,
 <linux-kernel@...r.kernel.org>, <rust-for-linux@...r.kernel.org>,
 <linux-acpi@...r.kernel.org>
Cc: <boqun.feng@...il.com>, <gary@...yguo.net>, <bjorn3_gh@...tonmail.com>,
 <benno.lossin@...ton.me>, <a.hindborg@...nel.org>, <aliceryhl@...gle.com>,
 <tmgross@...ch.edu>, <dakr@...nel.org>, <lenb@...nel.org>,
 <wedsonaf@...il.com>, <viresh.kumar@...aro.org>, <alex.hung@....com>,
 <dingxiangfei2009@...il.com>, "Igor Korotin" <igorkor.3vium@...il.com>
Subject: Re: [PATCH v3 4/4] samples: rust: add ACPI match table example to
 platform driver

On Fri Jun 6, 2025 at 7:10 PM CEST, Igor Korotin wrote:
> Extend the Rust sample platform driver to probe using device/driver name
> matching, OF ID table matching, or ACPI ID table matching.
>
> Signed-off-by: Igor Korotin <igor.korotin.linux@...il.com>
> ---
>  samples/rust/rust_driver_platform.rs | 96 +++++++++++++++++++++++++++-
>  1 file changed, 95 insertions(+), 1 deletion(-)
>
> diff --git a/samples/rust/rust_driver_platform.rs b/samples/rust/rust_driver_platform.rs
> index e3992e7a71e9..be7c311dca07 100644
> --- a/samples/rust/rust_driver_platform.rs
> +++ b/samples/rust/rust_driver_platform.rs
> @@ -17,10 +17,104 @@ struct SampleDriver {
>      [(of::DeviceId::new(c_str!("test,rust-device")), Info(42))]
>  );
>  
> +// ACPI match table test

This looks great, let's move it to the crate-level documentation. That
way it gets rendered :)

---
Cheers,
Benno

> +//
> +// This demonstrates how to test an ACPI-based Rust platform driver using QEMU
> +// with a custom SSDT.
> +//
> +// Steps: