From 169bae8eed4e15108fc59e7573f22ad5e47f71f1 Mon Sep 17 00:00:00 2001
From: marcan <marcan@marcansoft.com>
Date: Wed, 14 Jan 2009 03:17:55 +0100
Subject: [PATCH] Add irq_wait

---
 irq.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/irq.h b/irq.h
index aba6ee8..6ad2eb8 100644
--- a/irq.h
+++ b/irq.h
@@ -35,6 +35,12 @@ void irq_disable(u32 irq);
 u32 irq_kill(void);
 void irq_restore(u32 cookie);
 
+static inline void irq_wait(void)
+{
+	u32 data = 0;
+	__asm__ volatile ( "mcr\tp15, 0, %0, c7, c0, 4" : : "r" (data) );
+}
+
 #endif
 
 #endif