linux-kernel - [PATCH 2/2] rust: device: make example buildable

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Message-ID: <20251110113528.1658238-2-ojeda@kernel.org>
Date: Mon, 10 Nov 2025 12:35:28 +0100
From: Miguel Ojeda <ojeda@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Danilo Krummrich <dakr@...nel.org>,
	Brendan Higgins <brendan.higgins@...ux.dev>,
	David Gow <davidgow@...gle.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>
Cc: Rae Moar <raemoar63@...il.com>,
	linux-kselftest@...r.kernel.org,
	kunit-dev@...glegroups.com,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	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>,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev
Subject: [PATCH 2/2] rust: device: make example buildable

This example can easily be made buildable, thus do so.

It would have triggered an `unreachable_pub` warning without the previous
commit.

Signed-off-by: Miguel Ojeda <ojeda@...nel.org>
---
 rust/kernel/device.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/rust/kernel/device.rs b/rust/kernel/device.rs
index a849b7dde2fd..d00f4af507db 100644
--- a/rust/kernel/device.rs
+++ b/rust/kernel/device.rs
@@ -67,7 +67,16 @@
 ///
 /// A bus specific device should be defined as follows.
 ///
-/// ```ignore
+/// ```
+/// # use core::marker::PhantomData;
+/// # use kernel::{
+/// #     device,
+/// #     types::Opaque, //
+/// # };
+/// # mod bindings {
+/// #     #[expect(non_camel_case_types)]
+/// #     pub struct bus_device_type;
+/// # }
 /// #[repr(transparent)]
 /// pub struct Device<Ctx: device::DeviceContext = device::Normal>(
 ///     Opaque<bindings::bus_device_type>,
-- 
2.51.2