From 960d7042d2152d3f8016def1be72da2db06cff87 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Mon, 4 Nov 2019 15:43:53 +0100
Subject: msp430fr5994lp sleep_ms: handle ms == 0

---
 src/arch/msp430fr5994lp/arch.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/arch/msp430fr5994lp/arch.cc b/src/arch/msp430fr5994lp/arch.cc
index 2e57a5f..de75fbb 100644
--- a/src/arch/msp430fr5994lp/arch.cc
+++ b/src/arch/msp430fr5994lp/arch.cc
@@ -131,6 +131,9 @@ volatile bool sleep_done = false;
 // max delay: 524 ms @  8 MHz
 void Arch::sleep_ms(unsigned int const ms)
 {
+	if (ms == 0) {
+		return;
+	}
 	sleep_done = false;
 #if F_CPU == 16000000UL
 	TA3CTL = TASSEL__SMCLK | ID__8; // /8
-- 
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