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authorKyungmin Park <kyungmin.park@samsung.com>2009-11-17 08:41:16 +0100
committerBen Dooks <ben-linux@fluff.org>2009-12-01 01:33:14 +0000
commitb0d5217cfb0a2357ac076977400c648cccff6154 (patch)
tree79795a07f16b3f3962836206651911a869bbca71 /arch/arm/plat-s5pc1xx/irq.c
parentd7b9ace51d949e1bfec7f32d21d094cf2c683ca0 (diff)
downloadop-kernel-dev-b0d5217cfb0a2357ac076977400c648cccff6154.zip
op-kernel-dev-b0d5217cfb0a2357ac076977400c648cccff6154.tar.gz
ARM: S5PC1xx: add gpiolib and external/gpio interrupt support
Add support for gpiolib calls. This is based on the gpiolib implementation from plat-s3c64xx tree. Add support for external interrupts for GPIO H banks. Add support for GPIO interrupts for all banks. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s5pc1xx/irq.c')
-rw-r--r--arch/arm/plat-s5pc1xx/irq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/plat-s5pc1xx/irq.c b/arch/arm/plat-s5pc1xx/irq.c
index 80d6dd9..e44fd04 100644
--- a/arch/arm/plat-s5pc1xx/irq.c
+++ b/arch/arm/plat-s5pc1xx/irq.c
@@ -79,7 +79,7 @@ static void s3c_irq_timer_ack(unsigned int irq)
{
u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
- reg &= 0x1f;
+ reg &= 0x1f; /* mask out pending interrupts */
reg |= (1 << 5) << (irq - IRQ_TIMER0);
__raw_writel(reg, S3C64XX_TINT_CSTAT);
}
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