linux-kernel - [PATCH] rust/time: Add Delta::from

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Message-ID: <20251114184207.459335-1-lyude@redhat.com>
Date: Fri, 14 Nov 2025 13:42:06 -0500
From: Lyude Paul <lyude@...hat.com>
To: rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Andreas Hindborg <a.hindborg@...nel.org>,
	Boqun Feng <boqun.feng@...il.com>,
	FUJITA Tomonori <fujita.tomonori@...il.com>,
	Frederic Weisbecker <frederic@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	John Stultz <jstultz@...gle.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <lossin@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>
Subject: [PATCH] rust/time: Add Delta::from_nanos()

Since rvkms is going to need to create its own Delta instances, and we
already have functions for creating Delta with every other unit of time.

Signed-off-by: Lyude Paul <lyude@...hat.com>
---
 rust/kernel/time.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rust/kernel/time.rs b/rust/kernel/time.rs
index 6ea98dfcd0278..2b096e5a61cda 100644
--- a/rust/kernel/time.rs
+++ b/rust/kernel/time.rs
@@ -363,6 +363,12 @@ impl Delta {
     /// A span of time equal to zero.
     pub const ZERO: Self = Self { nanos: 0 };
 
+    /// Create a new [`Delta`] from a number of nanoseconds.
+    #[inline]
+    pub const fn from_nanos(nanos: i64) -> Self {
+        Self { nanos }
+    }
+
     /// Create a new [`Delta`] from a number of microseconds.
     ///
     /// The `micros` can range from -9_223_372_036_854_775 to 9_223_372_036_854_775.

base-commit: 5935461b458463ee51aac8d95c25d7a5e1de8c4d
-- 
2.51.1