From fa2c8b01f4564b6edb5c2c0e602937177b682f1b Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Fri, 17 Jul 2020 20:10:27 +0200
Subject: [PATCH] sys/ztimer: fix missing include for periph_rtt submodule

---
 sys/ztimer/periph_rtt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/ztimer/periph_rtt.c b/sys/ztimer/periph_rtt.c
index 57ae22a7a3..f2fa4660da 100644
--- a/sys/ztimer/periph_rtt.c
+++ b/sys/ztimer/periph_rtt.c
@@ -20,6 +20,8 @@
  * @}
  */
 #include "assert.h"
+
+#include "irq.h"
 #include "periph/rtt.h"
 #include "ztimer/periph_rtt.h"