Thomas Gleixner <tglx@xxxxxxxxxxxxx> writes:
> The descriptors are already initialized in exaclty this way.
They aren't only status is initialized exactly that way.
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> ---
> arch/x86/kernel/irqinit.c | 17 ++++-------------
> 1 file changed, 4 insertions(+), 13 deletions(-)
>
> Index: linux-2.6-tip/arch/x86/kernel/irqinit.c
> ===================================================================
> --- linux-2.6-tip.orig/arch/x86/kernel/irqinit.c
> +++ linux-2.6-tip/arch/x86/kernel/irqinit.c
> @@ -100,6 +100,8 @@ int vector_used_by_percpu_irq(unsigned i
>
> void __init init_ISA_irqs(void)
> {
> + struct irq_chip *chip = legacy_pic->chip;
> + const char *name = chip->name;
> int i;
>
> #if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
> @@ -107,19 +109,8 @@ void __init init_ISA_irqs(void)
> #endif
> legacy_pic->init(0);
>
> - /*
> - * 16 old-style INTA-cycle interrupts:
> - */
Why delete the comment here?
> - for (i = 0; i < legacy_pic->nr_legacy_irqs; i++) {
> - struct irq_desc *desc = irq_to_desc(i);
> -
> - desc->status = IRQ_DISABLED;
> - desc->action = NULL;
> - desc->depth = 1;
> -
> - set_irq_chip_and_handler_name(i, &i8259A_chip,
> - handle_level_irq, "XT");
> - }
> + for (i = 0; i < legacy_pic->nr_legacy_irqs; i++)
> + set_irq_chip_and_handler_name(i, chip, handle_level_irq, name);
> }
>
> void __init init_IRQ(void)
Eric
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