From e16f59a2ee138f03b86ab1a3faa19f12ca320b8f Mon Sep 17 00:00:00 2001
From: Lingkai Dong <lingkai.dong@arm.com>
Date: Mon, 14 Jun 2021 14:06:35 +0100
Subject: [PATCH] timing_mbed.cpp: Check MBEDTLS_TIMING_ALT

Do not compile the Mbed implementation of Mbed TLS unless
MBEDTLS_TIMING_ALT is defined. This prevents a macro check error on
devices that do not have LPTICKER or USTICKER when Mbed TLS timing
is not enabled.
---
 connectivity/mbedtls/platform/src/timing_mbed.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/connectivity/mbedtls/platform/src/timing_mbed.cpp b/connectivity/mbedtls/platform/src/timing_mbed.cpp
index 0ba81aa8e1..17acf6c9b9 100644
--- a/connectivity/mbedtls/platform/src/timing_mbed.cpp
+++ b/connectivity/mbedtls/platform/src/timing_mbed.cpp
@@ -24,6 +24,9 @@
 #else
 #include MBEDTLS_CONFIG_FILE
 #endif
+
+#if defined(MBEDTLS_TIMING_ALT)
+
 #include "mbedtls/timing.h"
 #include "drivers/Timeout.h"
 #include "drivers/Timer.h"
@@ -130,3 +133,5 @@ extern "C" int mbedtls_timing_get_delay(void *data)
 
     return 0;
 }
+
+#endif // MBEDTLS_TIMING_ALT