From 97079489ef8fbf1551ad651da6c55e325617cd5b Mon Sep 17 00:00:00 2001
From: contradict <contradict@gmail.com>
Date: Wed, 20 Oct 2021 12:38:30 -0700
Subject: [PATCH] Mark Timer as sync

Since all accesses are read-only there is no synchronizing to be done.
---
 rp2040-hal/src/timer.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rp2040-hal/src/timer.rs b/rp2040-hal/src/timer.rs
index 5728627..8f4808c 100644
--- a/rp2040-hal/src/timer.rs
+++ b/rp2040-hal/src/timer.rs
@@ -11,6 +11,9 @@ pub struct Timer {
     timer: TIMER,
 }
 
+// Safety: All access is read-only.
+unsafe impl Sync for Timer {}
+
 impl Timer {
     /// Create a new [`Timer`]
     pub fn new(timer: TIMER, resets: &mut RESETS) -> Self {