From b9f06dc5e31d0bc78637142f576b9339bb86ee31 Mon Sep 17 00:00:00 2001
From: Dimitry Kloper <dikloper@cisco.com>
Date: Mon, 4 Jan 2016 21:39:48 +0200
Subject: [PATCH] ATMEGA2560: Fix compilation when CONFIG_DISABLE_SIGNALS is
 undefined

---
 arch/avr/include/avr/irq.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/avr/include/avr/irq.h b/arch/avr/include/avr/irq.h
index 9e95edbec5f..9c8ec670afc 100644
--- a/arch/avr/include/avr/irq.h
+++ b/arch/avr/include/avr/irq.h
@@ -117,6 +117,9 @@ struct xcptcontext
 
   uint8_t saved_pc1;
   uint8_t saved_pc0;
+# if defined(REG_PC2)
+  uint8_t saved_pc2;
+# endif   
   uint8_t saved_sreg;
 #endif