drm: rust: rename as_ref() to from_raw() for drm constructors

The prefix as_* should not be used for a constructor. Constructors
usually use the prefix from_* instead.

Some prior art in the stdlib: Box::from_raw, CString::from_raw,
Rc::from_raw, Arc::from_raw, Waker::from_raw, File::from_raw_fd.

There is also prior art in the kernel crate: cpufreq::Policy::from_raw,
fs::File::from_raw_file, Kuid::from_raw, ARef::from_raw,
SeqFile::from_raw, VmaNew::from_raw, Io::from_raw.

Link: https://lore.kernel.org/r/aCd8D5IA0RXZvtcv@pollux
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20250711-device-as-ref-v2-2-1b16ab6402d7@google.com

1 files changed, 8 insertions, 8 deletions

diff --git a/rust/kernel/drm/gem/mod.rs b/rust/kernel/drm/gem/mod.rs
index 4cd69fa84318..a24c9a2fc201 100644
--- a/rust/kernel/drm/gem/mod.rs
+++ b/rust/kernel/drm/gem/mod.rs
@@ -51,7 +51,7 @@ pub trait IntoGEMObject: Sized + super::private::Sealed + AlwaysRefCounted {
     /// - `self_ptr` must be a valid pointer to `Self`.
     /// - The caller promises that holding the immutable reference returned by this function does
     ///   not violate rust's data aliasing rules and remains valid throughout the lifetime of `'a`.
-    unsafe fn as_ref<'a>(self_ptr: *mut bindings::drm_gem_object) -> &'a Self;
+    unsafe fn from_raw<'a>(self_ptr: *mut bindings::drm_gem_object) -> &'a Self;
 }
 
 // SAFETY: All gem objects are refcounted.
@@ -86,12 +86,12 @@ extern "C" fn open_callback<T: BaseDriverObject<U>, U: BaseObject>(
 ) -> core::ffi::c_int {
     // SAFETY: `open_callback` is only ever called with a valid pointer to a `struct drm_file`.
     let file = unsafe {
-        drm::File::<<<U as IntoGEMObject>::Driver as drm::Driver>::File>::as_ref(raw_file)
+        drm::File::<<<U as IntoGEMObject>::Driver as drm::Driver>::File>::from_raw(raw_file)
     };
     // SAFETY: `open_callback` is specified in the AllocOps structure for `Object<T>`, ensuring that
     // `raw_obj` is indeed contained within a `Object<T>`.
     let obj = unsafe {
-        <<<U as IntoGEMObject>::Driver as drm::Driver>::Object as IntoGEMObject>::as_ref(raw_obj)
+        <<<U as IntoGEMObject>::Driver as drm::Driver>::Object as IntoGEMObject>::from_raw(raw_obj)
     };
 
     match T::open(obj, file) {
@@ -106,12 +106,12 @@ extern "C" fn close_callback<T: BaseDriverObject<U>, U: BaseObject>(
 ) {
     // SAFETY: `open_callback` is only ever called with a valid pointer to a `struct drm_file`.
     let file = unsafe {
-        drm::File::<<<U as IntoGEMObject>::Driver as drm::Driver>::File>::as_ref(raw_file)
+        drm::File::<<<U as IntoGEMObject>::Driver as drm::Driver>::File>::from_raw(raw_file)
     };
     // SAFETY: `close_callback` is specified in the AllocOps structure for `Object<T>`, ensuring
     // that `raw_obj` is indeed contained within a `Object<T>`.
     let obj = unsafe {
-        <<<U as IntoGEMObject>::Driver as drm::Driver>::Object as IntoGEMObject>::as_ref(raw_obj)
+        <<<U as IntoGEMObject>::Driver as drm::Driver>::Object as IntoGEMObject>::from_raw(raw_obj)
     };
 
     T::close(obj, file);
@@ -124,7 +124,7 @@ impl<T: DriverObject> IntoGEMObject for Object<T> {
         self.obj.get()
     }
 
-    unsafe fn as_ref<'a>(self_ptr: *mut bindings::drm_gem_object) -> &'a Self {
+    unsafe fn from_raw<'a>(self_ptr: *mut bindings::drm_gem_object) -> &'a Self {
         let self_ptr: *mut Opaque<bindings::drm_gem_object> = self_ptr.cast();
 
         // SAFETY: `obj` is guaranteed to be in an `Object<T>` via the safety contract of this
@@ -170,9 +170,9 @@ pub trait BaseObject: IntoGEMObject {
         // - A `drm::Driver` can only have a single `File` implementation.
         // - `file` uses the same `drm::Driver` as `Self`.
         // - Therefore, we're guaranteed that `ptr` must be a gem object embedded within `Self`.
-        // - And we check if the pointer is null befoe calling as_ref(), ensuring that `ptr` is a
+        // - And we check if the pointer is null befoe calling from_raw(), ensuring that `ptr` is a
         //   valid pointer to an initialized `Self`.
-        let obj = unsafe { Self::as_ref(ptr) };
+        let obj = unsafe { Self::from_raw(ptr) };
 
         // SAFETY:
         // - We take ownership of the reference of `drm_gem_object_lookup()`.