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[ARM] 4002/1: S3C24XX: leave parent IRQs unmasked

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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>
This commit is contained in:
Ben Dooks 2006-12-07 23:59:05 +01:00 committed by Russell King
parent 32d2deeab9
commit d4f3e084ad
1 changed files with 0 additions and 15 deletions
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15
arch/arm/mach-s3c2410/irq.c
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@ -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