Re: [PATCH] rust: pci: add resource_flags accessor

[Miguel Ojeda <ojeda@kernel.org>]

On Tue, 08 Sep 2026 16:51:48 +0900 Eliot Courtney <ecourtney@nvidia.com> wrote:
>
> +    /// Wrap a raw `c_ulong` value returned by a C API into [`Flags`].
> +    pub(crate) const fn from_raw(value: c_ulong) -> Self {
> +        Flags(value)
> +    }

In linux-next (next-20261022), on UML x86_64, I am seeing:

    error: associated function `from_raw` is never used
       --> rust/kernel/io/resource.rs:240:25
        |
    216 | impl Flags {
        | ---------- associated function in this implementation
    ...
    240 |     pub(crate) const fn from_raw(value: c_ulong) -> Self {
        |                         ^^^^^^^^
        |
        = note: `-D dead-code` implied by `-D warnings`
        = help: to override `-D warnings` add `#[allow(dead_code)]`

`kernel::io::resource` is always built, but the only user of `from_raw`
is under `CONFIG_PCI`.

I hope that helps.

Cheers,
Miguel