From 1b58e58e1a56c042f4cd97bdddba561cf40e3f6d Mon Sep 17 00:00:00 2001
From: Russ Butler <russ.butler@arm.com>
Date: Wed, 28 Mar 2018 00:25:57 +0200
Subject: [PATCH] Fix deep sleep locking for Timeout class

Detach in the Timeout::handler so deep sleep is properly unlocked.
---
 drivers/Timeout.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/Timeout.cpp b/drivers/Timeout.cpp
index 40c7d9f0533..6fc4a7e69bf 100644
--- a/drivers/Timeout.cpp
+++ b/drivers/Timeout.cpp
@@ -18,7 +18,9 @@
 namespace mbed {
 
 void Timeout::handler() {
-    _function.call();
+    Callback<void()> local = _function;
+    detach();
+    local.call();
 }
 
 } // namespace mbed