From 256de48f2cad85153b271b66320a9355773db64e Mon Sep 17 00:00:00 2001
From: Danilo Krummrich <dakr@kernel.org>
Date: Wed, 16 Jul 2025 17:02:49 +0200
Subject: [PATCH] rust: platform: implement the `dma::Device` trait

The platform bus is potentially capable of performing DMA, hence implement
the `dma:Device` trait for `platform::Device`.

Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250716150354.51081-5-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
---
 rust/kernel/platform.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rust/kernel/platform.rs b/rust/kernel/platform.rs
index 3d7a532550c88..3c0c507c24326 100644
--- a/rust/kernel/platform.rs
+++ b/rust/kernel/platform.rs
@@ -231,6 +231,8 @@ impl<Ctx: device::DeviceContext> Device<Ctx> {
 kernel::impl_device_context_deref!(unsafe { Device });
 kernel::impl_device_context_into_aref!(Device);
 
+impl crate::dma::Device for Device<device::Core> {}
+
 // SAFETY: Instances of `Device` are always reference-counted.
 unsafe impl crate::types::AlwaysRefCounted for Device {
     fn inc_ref(&self) {
-- 
2.47.2