rust: hrtimer: add clocksource selection through `ClockId`

Allow selecting a clock source for timers by passing a `ClockId`
variant to `HrTimer::new`.

Acked-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Benno Lossin <benno.lossin@proton.me>
Link: https://lore.kernel.org/r/20250309-hrtimer-v3-v6-12-rc2-v12-12-73586e2bd5f1@kernel.org
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/rust/kernel/time/hrtimer.rs b/rust/kernel/time/hrtimer.rs
index ed5ccdb71064..4fc49f193125 100644
--- a/rust/kernel/time/hrtimer.rs
+++ b/rust/kernel/time/hrtimer.rs
@@ -67,6 +67,7 @@
 //! A `restart` operation on a timer in the **stopped** state is equivalent to a
 //! `start` operation.
 
+use super::ClockId;
 use crate::{init::PinInit, prelude::*, time::Ktime, types::Opaque};
 use core::marker::PhantomData;
 
@@ -94,7 +95,7 @@ unsafe impl<T> Sync for HrTimer<T> {}
 
 impl<T> HrTimer<T> {
     /// Return an initializer for a new timer instance.
-    pub fn new(mode: HrTimerMode) -> impl PinInit<Self>
+    pub fn new(mode: HrTimerMode, clock: ClockId) -> impl PinInit<Self>
     where
         T: HrTimerCallback,
     {
@@ -108,7 +109,7 @@ impl<T> HrTimer<T> {
                     bindings::hrtimer_setup(
                         place,
                         Some(T::Pointer::run),
-                        bindings::CLOCK_MONOTONIC as i32,
+                        clock.into_c(),
                         mode.into_c(),
                     );
                 }