From f986ea84aca1420698da56667f57e69ec585530a Mon Sep 17 00:00:00 2001
From: Ayke van Laethem <aykevanlaethem@gmail.com>
Date: Fri, 26 Apr 2024 13:20:26 +0200
Subject: [PATCH] rp2040: fix timeUnit type

It should be int64 like for all other systems, not uint64.
---
 src/runtime/runtime_rp2040.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/runtime_rp2040.go b/src/runtime/runtime_rp2040.go
index e5659d625..8a8c343c5 100644
--- a/src/runtime/runtime_rp2040.go
+++ b/src/runtime/runtime_rp2040.go
@@ -14,7 +14,7 @@ func machineTicks() uint64
 // machineLightSleep is provided by package machine.
 func machineLightSleep(uint64)
 
-type timeUnit uint64
+type timeUnit int64
 
 // ticks returns the number of ticks (microseconds) elapsed since power up.
 func ticks() timeUnit {