From d4f3e084adf5414539ebb01848b851fe0f888084 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Thu, 7 Dec 2006 23:59:05 +0100 Subject: [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 Signed-off-by: Russell King --- arch/arm/mach-s3c2410/irq.c | 15 --------------- 1 file changed, 15 deletions(-) (limited to 'arch/arm/mach-s3c2410') diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c index e7d2ad96ae6..3c0ed7871c5 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 -- cgit v1.2.3