From 5e146c415d4b3e9006e21a94428a86320316aaf2 Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Thu, 14 Jul 2016 18:22:41 +0200
Subject: [AVR][USB] fix IRQ flags clearing

---
 cores/arduino/USBCore.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
index 44dce72..6c8ae63 100644
--- a/cores/arduino/USBCore.cpp
+++ b/cores/arduino/USBCore.cpp
@@ -733,7 +733,7 @@ static inline void USB_ClockEnable()
 ISR(USB_GEN_vect)
 {
 	u8 udint = UDINT;
-	UDINT = UDINT &= ~((1<<EORSTI) | (1<<SOFI)); // clear the IRQ flags for the IRQs which are handled here, except WAKEUPI and SUSPI (see below)
+	UDINT &= ~((1<<EORSTI) | (1<<SOFI)); // clear the IRQ flags for the IRQs which are handled here, except WAKEUPI and SUSPI (see below)
 
 	//	End of Reset
 	if (udint & (1<<EORSTI))
-- 
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