From: Mark Brown <broonie@sirena.org.uk>
Date: Tue, 24 Feb 2009 14:55:48 +0000 (+0100)
Subject: [ARM] 5411/1: S3C64XX: Fix EINT unmask
X-Git-Tag: v2.6.29-rc7~6^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c8532db7f2661b63f658b9a08cf4053a3e6abb78;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

[ARM] 5411/1: S3C64XX: Fix EINT unmask

Currently the unmask function for EINT interrupts was setting the mask
bit rather than clearing it.  This was also previously reported and
fixed by Kyungmin Park <kyungmin.park@samsung.com> and others.

Acked-By: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/plat-s3c64xx/irq-eint.c
index 1f7cc00..ebb305c 100644
--- a/arch/arm/plat-s3c64xx/irq-eint.c
+++ b/arch/arm/plat-s3c64xx/irq-eint.c
@@ -55,7 +55,7 @@ static void s3c_irq_eint_unmask(unsigned int irq)
 	u32 mask;
 
 	mask = __raw_readl(S3C64XX_EINT0MASK);
-	mask |= eint_irq_to_bit(irq);
+	mask &= ~eint_irq_to_bit(irq);
 	__raw_writel(mask, S3C64XX_EINT0MASK);
 }