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This requires base types declared in other modules to be imported into the module containing the register declaration, rather than allowing a qualified path to be used directly, which is arbitrarily limiting. This series allows path to be used as relative register bases. Since a `path` fragment cannot be followed by `+` in declarative macros, the `Base + Offset` and `Base + Alias` forms are replaced with `Base: Offset` and `Base: Alias`, inducing a syntax change. The first two patches clean up the macro's internal dispatch and arguments in preparation for the change. Patches 3-6 gradually add support for the new syntax and update docs and examples, while preserving the old syntax. Patch 7 updates Nova to use the new syntax, and patch 8 removes support for the now unused old syntax. The series is structured this way so the Nova update and deprecated syntax removal can be merged separately, as otherwise the whole series would need to go through drm-rust. Outside of the syntax update, no functional change is intended. Signed-off-by: Alexandre Courbot --- Alexandre Courbot (8): rust: io: register: dispatch fixed array shortcut internally rust: io: register: remove unused rule arguments rust: io: register: use path fragment for alias destination rust: io: register: use path fragment in relative internal rules rust: io: register: allow paths for relative register bases rust: io: register: use new relative base syntax in doc and examples gpu: nova-core: convert relative registers to new syntax rust: io: register: remove deprecated relative register rule drivers/gpu/nova-core/regs.rs | 74 +++++++++++++++++++++--------------------- rust/kernel/io/register.rs | 75 +++++++++++++++++++++---------------------- 2 files changed, 74 insertions(+), 75 deletions(-) --- base-commit: 22e77d81d0a9ab3aee1c5538b3f2f8a66930bfa7 change-id: 20260418-registers_fix-7a67ebef9ba0 Best regards, -- Alexandre Courbot