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Sat, 20 Dec 2025 19:44:02 +0100 (CET) From: Markus Probst Subject: [PATCH RFC 0/4] rust: add basic serial device bus abstractions Date: Sat, 20 Dec 2025 18:44:04 +0000 Message-Id: <20251220-rust_serdev-v1-0-e44645767621@posteo.de> Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAOrsRmkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI1NDI0Nz3aLS4pJ4oKaU1DLd1FRTEwvDVEsDC9NkJaCOgqLUtMwKsGnRSkF uzkqxtbUA6cC9x2IAAAA= X-Change-ID: 20251217-rust_serdev-ee5481e9085c To: Rob Herring , Greg Kroah-Hartman , Jiri Slaby , Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Kari Argillander Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, Markus Probst X-Developer-Signature: v=1; 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preference=encrypt This patch series adds the serdev device bus rust abstraction into the kernel. This abstraction will be used by a driver I am currently working on, which targets the MCU devices in Synology devices. Kari Argillander also messaged me, stating that he wants to write a watchdog driver with this abstraction (needing initial device data). @Rob: Are you willing to maintain these rust abstractions yourself, as you are the expert on this subsystem, otherwise I would take care of it with a "SERIAL DEVICE BUS [RUST]" section in the MAINTAINERS file. In the second case, I assume you are going to pick those patches as-is into your tree, after they have been reviewed? Signed-off-by: Markus Probst --- Kari Argillander (1): serdev: Export internal is_serdev_device() for drivers Markus Probst (3): rust: add basic serial device bus abstractions samples: rust: add Rust serial device bus sample device driver rust: Add serdev rust abstractions to MAINTAINERS file MAINTAINERS | 3 + drivers/tty/serdev/core.c | 3 +- include/linux/serdev.h | 2 + rust/bindings/bindings_helper.h | 1 + rust/helpers/helpers.c | 1 + rust/helpers/serdev.c | 22 + rust/kernel/lib.rs | 2 + rust/kernel/serdev.rs | 815 +++++++++++++++++++++++++++++++++++++ samples/rust/Kconfig | 10 + samples/rust/Makefile | 1 + samples/rust/rust_driver_serdev.rs | 175 ++++++++ 11 files changed, 1034 insertions(+), 1 deletion(-) --- base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 change-id: 20251217-rust_serdev-ee5481e9085c