Apply @ojeda's suggestions from code review

This will be squashed in v2.

Co-authored-by: Miguel Ojeda <ojeda@users.noreply.github.com>

rust/kernel/traits.rs

@@ -1,24 +1,24 @@
 // SPDX-License-Identifier: GPL-2.0
 
-//! Traits useful to Drivers, and their implementations for common types.
+//! Traits useful to drivers, and their implementations for common types.
 
 use core::{ops::Deref, pin::Pin};
 
 use alloc::{alloc::AllocError, sync::Arc};
 
-/// Trait which implements a fallible version of `pin()` for any pointer type.
+/// Trait which provides a fallible version of `pin()` for pointer types.
 ///
-/// Common pointer types which implement `pin()` include `Box`, `Arc` and `Rc`.
+/// Common pointer types which implement a `pin()` method include [`Box`], [`Arc`] and [`Rc`].
 pub trait TryPin<P: Deref> {
-    /// Constructs a new Pin<pointer<T>>. If T does not implement Unpin, then data
+    /// Constructs a new `Pin<pointer<T>>`. If `T` does not implement [`Unpin`], then data
     /// will be pinned in memory and unable to be moved. An error will be returned
     /// if allocation fails.
     fn try_pin(data: P::Target) -> core::result::Result<Pin<P>, AllocError>;
 }
 
 impl<T> TryPin<Arc<T>> for Arc<T> {
     fn try_pin(data: T) -> core::result::Result<Pin<Arc<T>>, AllocError> {
-        // SAFETY: the data T is exposed only through a `Pin<Arc<T>>`, which
+        // SAFETY: the data `T` is exposed only through a `Pin<Arc<T>>`, which
         // does not allow data to move out of the `Arc`. Therefore it can
         // never be moved.
         Ok(unsafe { Pin::new_unchecked(Arc::try_new(data)?) })