linux-kernel - [PATCH RFC 0/3] Initial rust bindings for device property reads

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Message-Id: <20241025-rust-platform-dev-v1-0-0df8dcf7c20b@kernel.org>
Date: Fri, 25 Oct 2024 16:05:45 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Saravana Kannan <saravanak@...gle.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, Miguel Ojeda <ojeda@...nel.org>, 
 Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>, 
 Gary Guo <gary@...yguo.net>, 
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
 Benno Lossin <benno.lossin@...ton.me>, 
 Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, 
 Dirk Behme <dirk.behme@...il.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 rust-for-linux@...r.kernel.org
Subject: [PATCH RFC 0/3] Initial rust bindings for device property reads

I got asked about upstreaming DT rust bindings, so I decided to take a 
stab at it. This series adds rust bindings for the device property API 
which is a firmware agnostic interface for reading firmware properties. 
There are "DT rust bindings" patches floating around, but for many 
drivers they don't need to know any DT specifics nor deal with struct 
device_node (and its refcounts). And reading firmware properties are 
simple enough for my feeble rust abilities.

This series is based on top of Danilo's PCI and platform device 
series[1], though that's really only for the sample driver.

Please tell me how my rust code sucks before I spend more time beating 
my head against the wall^W^W^W^W^W^W learning rust.

Rob

[1] https://lore.kernel.org/all/20241022213221.2383-1-dakr@kernel.org/

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
Rob Herring (Arm) (3):
      of: unittest: Add a platform device node for rust platform driver sample
      rust: Add bindings for device properties
      samples: rust: platform: Add property read examples

 drivers/of/unittest-data/tests-platform.dtsi |   8 ++
 rust/bindings/bindings_helper.h              |   1 +
 rust/kernel/device.rs                        | 145 ++++++++++++++++++++++++++-
 samples/rust/rust_driver_platform.rs         |  24 ++++-
 4 files changed, 176 insertions(+), 2 deletions(-)
---
base-commit: eeb31b3e7e9e1b485763ecc66ece8afba1416b2a
change-id: 20241025-rust-platform-dev-0e89debcbba5

Best regards,
-- 
Rob Herring (Arm) <robh@...nel.org>