From 55981f7b3cc9885d300637ea590148db329cb741 Mon Sep 17 00:00:00 2001
From: Changhwan Youn <chaos.youn@samsung.com>
Date: Sat, 16 Jul 2011 10:49:57 +0900
Subject: [PATCH] ARM: EXYNOS4: Add chained enrty/exit function to uart
 interrupt handler

This patch adds chained IRQ enter/exit functions to uart
interrupt handler in order to function correctly on primary
controllers with different methods of flow control.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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