Re: [PATCH] rust: acpi: remove unneeded cast to clean future Clippy warning

[Alice Ryhl]

On Tue, Jul 1, 2025 at 7:48 PM Miguel Ojeda <ojeda@xxxxxxxxxx> wrote:
>
> A future Clippy warning, `clippy::as_underscore`, is getting enabled in
> parallel in the rust-next tree:
>
>     error: using `as _` conversion
>       --> rust/kernel/acpi.rs:25:9
>        |
>     25 |         self.0.driver_data as _
>        |         ^^^^^^^^^^^^^^^^^^^^^^-
>        |                               |
>        |                               help: consider giving the type explicitly: `usize`
>
> The type is already `ulong`, which nowadays is always `usize`, so the
> cast is unneeded. Thus remove it, which in turn will avoid the warning
> in the future.
>
> Other abstractions of device tables do not use a cast here either.
>
> Signed-off-by: Miguel Ojeda <ojeda@xxxxxxxxxx>

Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>