The device contained in a faux::Registration is always bound, hence
consider this in the registrations's AsRef implementation.

Signed-off-by: Danilo Krummrich <dakr@kernel.org>
---
 rust/kernel/faux.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rust/kernel/faux.rs b/rust/kernel/faux.rs
index 8a50fcd4c9bb..395cb1172cb4 100644
--- a/rust/kernel/faux.rs
+++ b/rust/kernel/faux.rs
@@ -50,8 +50,8 @@ fn as_raw(&self) -> *mut bindings::faux_device {
     }
 }
 
-impl AsRef<device::Device> for Registration {
-    fn as_ref(&self) -> &device::Device {
+impl AsRef<device::Device<device::Bound>> for Registration {
+    fn as_ref(&self) -> &device::Device<device::Bound> {
         // SAFETY: The underlying `device` in `faux_device` is guaranteed by the C API to be
         // a valid initialized `device`.
         unsafe { device::Device::as_ref(addr_of_mut!((*self.as_raw()).dev)) }
-- 
2.49.0