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authorBen Dooks <ben-linux@fluff.org>2006-12-07 23:59:05 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-12-07 23:02:29 +0000
commitd4f3e084adf5414539ebb01848b851fe0f888084 (patch)
tree2f5f3469a89a9b5f050b2ca49370c9bd9f030eb1
parent32d2deeab91be4de630d22fa7f4dbb3d61eba474 (diff)
downloadop-kernel-dev-d4f3e084adf5414539ebb01848b851fe0f888084.zip
op-kernel-dev-d4f3e084adf5414539ebb01848b851fe0f888084.tar.gz
[ARM] 4002/1: S3C24XX: leave parent IRQs unmasked
Do not bother masking/unmasking the parent IRQ for the mulitplexed EINT irqs, as masking the leaf seems to be fine. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-s3c2410/irq.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c
index e7d2ad9..3c0ed78 100644
--- a/arch/arm/mach-s3c2410/irq.c
+++ b/arch/arm/mach-s3c2410/irq.c
@@ -206,18 +206,6 @@ s3c_irqext_mask(unsigned int irqno)
mask = __raw_readl(S3C24XX_EINTMASK);
mask |= ( 1UL << irqno);
__raw_writel(mask, S3C24XX_EINTMASK);
-
- if (irqno <= (IRQ_EINT7 - EXTINT_OFF)) {
- /* check to see if all need masking */
-
- if ((mask & (0xf << 4)) == (0xf << 4)) {
- /* all masked, mask the parent */
- s3c_irq_mask(IRQ_EINT4t7);
- }
- } else {
- /* todo: the same check as above for the rest of the irq regs...*/
-
- }
}
static void
@@ -229,7 +217,6 @@ s3c_irqext_ack(unsigned int irqno)
bit = 1UL << (irqno - EXTINT_OFF);
-
mask = __raw_readl(S3C24XX_EINTMASK);
__raw_writel(bit, S3C24XX_EINTPEND);
@@ -258,8 +245,6 @@ s3c_irqext_unmask(unsigned int irqno)
mask = __raw_readl(S3C24XX_EINTMASK);
mask &= ~( 1UL << irqno);
__raw_writel(mask, S3C24XX_EINTMASK);
-
- s3c_irq_unmask((irqno <= (IRQ_EINT7 - EXTINT_OFF)) ? IRQ_EINT4t7 : IRQ_EINT8t23);
}
int
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