[PATCH v4 1/3] rust: clk: use the type-state pattern

[Maurice]

On Thu Jun 18, 2026 at 5:46 AM CEST, Daniel Almeida wrote:

> +        /// Behaves the same as [`Self::get`], except when there is no clock
> +        /// producer. In this case, instead of returning [`ENOENT`], it returns
> +        /// a dummy [`Clk`].
> +        #[inline]
> +        pub fn get_optional(dev: &Device<Bound>, name: Option<&CStr>) -> Result<Clk<Prepared>> {
> +            Clk::<Unprepared>::get_optional(dev, name)?
> +                .prepare()
> +                .map_err(|error| error.error)
> +        }
> +
> +        /// Attempts to convert the [`Clk`] to an [`Unprepared`] state.
>          ///
> -        /// [`clk_disable`]: https://docs.kernel.org/core-api/kernel-api.html#c.clk_disable
> +        /// Equivalent to the kernel's [`clk_unprepare`] API.
Missing definition of `clk_unprepare`.

Best,

Maurice