[PATCH 2/4] rust: devres: use `cast_pin_init` instead of manual reimplementation

Remove the manual type-casting which is already available as
`cast_pin_init`.

Signed-off-by: Gary Guo <[email protected]>
---
 rust/kernel/devres.rs | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/rust/kernel/devres.rs b/rust/kernel/devres.rs
index ebb5c19e851e..aecc8906de2c 100644
--- a/rust/kernel/devres.rs
+++ b/rust/kernel/devres.rs
@@ -435,11 +435,7 @@ pub unsafe fn new<'a, E>(
         // SAFETY: The caller guarantees the data is valid for the device's full bound scope.
         // Lifetimes do not affect layout, so F::Of<'a> and F::Of<'static> have identical
         // representation; casting the slot pointer is sound.
-        let data = unsafe {
-            pin_init::pin_init_from_closure::<F::Of<'static>, E>(move |slot| {
-                data.__pinned_init(slot.cast())
-            })
-        };
+        let data = unsafe { pin_init::cast_pin_init(data) };
 
         Ok(Self(Devres::new(dev, data)?))
     }

-- 
2.54.0