commit c8532db7f2661b63f658b9a08cf4053a3e6abb78
author Mark Brown <broonie@sirena.org.uk> Tue Feb 24 15:55:48 2009 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> Tue Feb 24 19:12:31 2009 +0000
tree 70aa1f40c8319ed3db954480fabe74e52311fbbb
parent d82ad6d6833ee8248e6c34e1b9fc3c4e61e3f035

[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>

arch/arm/plat-s3c64xx/irq-eint.c

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 @@
 	u32 mask;
 
 	mask = __raw_readl(S3C64XX_EINT0MASK);
-	mask |= eint_irq_to_bit(irq);
+	mask &= ~eint_irq_to_bit(irq);
 	__raw_writel(mask, S3C64XX_EINT0MASK);
 }