diff options
| author | Gary Guo <gary@garyguo.net> | 2026-07-06 13:44:24 +0100 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2026-07-11 18:00:12 +0200 |
| commit | bed01ca9e9cf8f8fea5352c07fa206cc3c106045 (patch) | |
| tree | 4d88f660c639007a6570ff59fbe0a41300b8649a /rust/kernel/devres.rs | |
| parent | 0adc93b85374277514e5145970037e3a287b62dd (diff) | |
| download | linux-next-bed01ca9e9cf8f8fea5352c07fa206cc3c106045.tar.gz linux-next-bed01ca9e9cf8f8fea5352c07fa206cc3c106045.zip | |
rust: io: remove `MmioOwned`
`Io` trait is now very easy to implement. Thus, implement it on `Bar` and
`IoMem` directly and remove the `MmioOwned` struct.
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Suggested-by: Danilo Krummrich <dakr@kernel.org>
Link: https://rust-for-linux.zulipchat.com/#narrow/channel/288089-General/topic/Generic.20I.2FO.20backends/near/571198078
Link: https://patch.msgid.link/20260706-io_projection-v6-11-72cd5d055d54@garyguo.net
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'rust/kernel/devres.rs')
| -rw-r--r-- | rust/kernel/devres.rs | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/rust/kernel/devres.rs b/rust/kernel/devres.rs index aed0c994fd30..3545ffc5345d 100644 --- a/rust/kernel/devres.rs +++ b/rust/kernel/devres.rs @@ -68,8 +68,9 @@ struct Inner<T> { /// devres::Devres, /// io::{ /// Io, -/// MmioOwned, +/// Mmio, /// MmioRaw, +/// MmioBackend, /// PhysAddr, /// Region, // /// }, @@ -104,12 +105,13 @@ struct Inner<T> { /// } /// } /// -/// impl<const SIZE: usize> Deref for IoMem<SIZE> { -/// type Target = MmioOwned<SIZE>; +/// impl<'a, const SIZE: usize> Io<'a> for &'a IoMem<SIZE> { +/// type Backend = MmioBackend; +/// type Target = Region<SIZE>; /// -/// fn deref(&self) -> &Self::Target { +/// fn as_view(self) -> Mmio<'a, Region<SIZE>> { /// // SAFETY: The memory range stored in `self` has been properly mapped in `Self::new`. -/// unsafe { MmioOwned::from_raw(&self.0) } +/// unsafe { Mmio::from_raw(self.0) } /// } /// } /// # fn no_run(dev: &Device<Bound>) -> Result<(), Error> { |