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2025-04-19samples: rust: add Rust auxiliary driver sampleDanilo Krummrich
Add a sample Rust auxiliary driver based on a PCI driver for QEMU's "pci-testdev" device. The PCI driver only registers an auxiliary device, in order to make the corresponding auxiliary driver probe. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20250414131934.28418-6-dakr@kernel.org [ Use `ok_or()` when accessing auxiliary::Device::parent(). - Danilo ] Signed-off-by: Danilo Krummrich <dakr@kernel.org>