From bb9583e497687ff3dd9ccc5185ca1d4d7eb7bea5 Mon Sep 17 00:00:00 2001
From: Mirko Lindner <mlindner@marvell.com>
Date: Tue, 3 Jul 2012 23:38:46 +0000
Subject: [PATCH] sky2: Fix for interrupt handler

commit d663d181b9e92d80c2455e460e932d34e7a2a7ae upstream.

Re-enable interrupts if it is not our interrupt

Signed-off-by: Mirko Lindner <mlindner@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/sky2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 9d4a2a38545a..5f93956d73a2 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2929,8 +2929,10 @@ static irqreturn_t sky2_intr(int irq, void *dev_id)
 
 	/* Reading this mask interrupts as side effect */
 	status = sky2_read32(hw, B0_Y2_SP_ISRC2);
-	if (status == 0 || status == ~0)
+	if (status == 0 || status == ~0) {
+		sky2_write32(hw, B0_Y2_SP_ICR, 2);
 		return IRQ_NONE;
+	}
 
 	prefetch(&hw->st_le[hw->st_idx]);
 
-- 
2.39.5