linux-kernel - [PATCH v4 4/7] rust: num: add `into

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Message-Id: <20260128-register-v4-4-aee3a33d9649@nvidia.com>
Date: Wed, 28 Jan 2026 11:37:30 +0900
From: Alexandre Courbot <acourbot@...dia.com>
To: Danilo Krummrich <dakr@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
 Daniel Almeida <daniel.almeida@...labora.com>, 
 Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>, 
 Gary Guo <gary@...yguo.net>, 
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
 Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>, 
 Trevor Gross <tmgross@...ch.edu>
Cc: Yury Norov <yury.norov@...il.com>, John Hubbard <jhubbard@...dia.com>, 
 Alistair Popple <apopple@...dia.com>, 
 Joel Fernandes <joelagnelf@...dia.com>, Timur Tabi <ttabi@...dia.com>, 
 Edwin Peer <epeer@...dia.com>, Eliot Courtney <ecourtney@...dia.com>, 
 Dirk Behme <dirk.behme@...bosch.com>, Steven Price <steven.price@....com>, 
 rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Alexandre Courbot <acourbot@...dia.com>
Subject: [PATCH v4 4/7] rust: num: add `into_inner` method to `Bounded`

This is useful to access the inner value in const contexts.

Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
---
 rust/kernel/num/bounded.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/rust/kernel/num/bounded.rs b/rust/kernel/num/bounded.rs
index b41ca6df1525..850827033f67 100644
--- a/rust/kernel/num/bounded.rs
+++ b/rust/kernel/num/bounded.rs
@@ -388,6 +388,22 @@ pub fn get(self) -> T {
         *self.deref()
     }
 
+    /// Returns the wrapped value as the backing type.
+    ///
+    /// This is a const-friendly variant of [`Self::get`] that can be used in const contexts.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use kernel::num::Bounded;
+    ///
+    /// const V: u32 = Bounded::<u32, 4>::new::<7>().into_inner();
+    /// assert_eq!(V, 7u32);
+    /// ```
+    pub const fn into_inner(self) -> T {
+        self.0
+    }
+
     /// Increases the number of bits usable for `self`.
     ///
     /// This operation cannot fail.

-- 
2.52.0