On Wed Feb 4, 2026 at 5:04 AM CET, Link Mauve wrote:
> +impl Device {
> + /// Register a managed nvmem provider on the given device.
> + pub fn nvmem_register<T>(&self, mut config: NvmemConfig<T>, priv_:
> &T::Priv)
> + where
> + T: NvmemProvider + Default,
> + {
> + // FIXME: The last cast to mut indicates some unsoundness here.
> + config.inner.priv_ =
> core::ptr::from_ref(priv_).cast::<c_void>().cast_mut();
> + config.inner.dev = self.as_raw();
> + config.inner.reg_read = Some(NvmemConfig::<T>::reg_read);
> + config.inner.reg_write = Some(NvmemConfig::<T>::reg_write);
> + // SAFETY: Both self and config can’t be null here, and should have
> the correct type.
> + unsafe { bindings::devm_nvmem_register(self.as_raw(), &config.inner)
> };
> + }
> +}
This should not be a method on the generic device type. Typically we use a
Registration struct for this, i.e. this would become
nvmem::Registration::register().