15 /// Resource Size type.
21 /// A region allocated from a parent [`Resource`].
25 /// - `self.0` points to a valid `bindings::resource` that was obtained through
28     /// The resource returned when the region was requested.
29     resource: NonNull<bindings::resource>,  field
36     type Target = Resource;
40         unsafe { Resource::from_raw(self.resource.as_ptr()) }  in deref()
62 // SAFETY: `Region` only holds a pointer to a C `struct resource`, which is safe to be used from
66 // SAFETY: `Region` only holds a pointer to a C `struct resource`, references to which are
70 /// A resource abstraction.
74 /// [`Resource`] is a transparent wrapper around a valid `bindings::resource`.
76 pub struct Resource(Opaque<bindings::resource>);  struct
78 impl Resource {  impl
79     /// Creates a reference to a [`Resource`] from a valid pointer.
84     /// point at a valid `bindings::resource`.
86     /// The caller must also ensure that the [`Resource`] is only accessed via the
88     pub(crate) const unsafe fn from_raw<'a>(ptr: *mut bindings::resource) -> &'a Self {  in from_raw()
89         // SAFETY: Self is a transparent wrapper around `Opaque<bindings::resource>`.  in from_raw()
93     /// Requests a resource region.
106         // - Safe as per the invariant of `Resource`.  in request_region()
121             resource: NonNull::new(region)?,  in request_region()
126     /// Returns the size of the resource.
129         // SAFETY: Safe as per the invariants of `Resource`.  in size()
133     /// Returns the start address of the resource.
136         // SAFETY: Safe as per the invariants of `Resource`.  in start()
140     /// Returns the name of the resource.
144         // SAFETY: Safe as per the invariants of `Resource`.  in name()
151         // SAFETY: In the C code, `resource::name` either contains a null  in name()
158     /// Returns the flags associated with the resource.
161         // SAFETY: Safe as per the invariants of `Resource`.  in flags()
168 // SAFETY: `Resource` only holds a pointer to a C `struct resource`, which is
170 unsafe impl Send for Resource {}  implementation
172 // SAFETY: `Resource` only holds a pointer to a C `struct resource`, references
174 unsafe impl Sync for Resource {}  implementation
176 /// Resource flags as stored in the C `struct resource::flags` field.
217     /// Resource is software muxed.
220     /// Resource represents a memory region.
223     /// Resource represents a memory region that must be ioremaped using `ioremap_np`.