On 08/26/14 01:45, Jiang Liu wrote: > diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c > index 29290f554e79..66c2700c9f83 100644 > --- a/arch/x86/kernel/apic/io_apic.c > +++ b/arch/x86/kernel/apic/io_apic.c > @@ -3896,7 +3896,15 @@ int mp_irqdomain_map(struct irq_domain *domain, > unsigned int virq, > + /* > + * setup_IO_APIC_irqs() programs all legacy IRQs with default > + * trigger and polarity attirbutes. Don't set the flag for that
attributes. > + * case so the first legacy IRQ user could reprogram the pin > + * with real trigger and polarity attributes. > + */ thanks, -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/