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x86: ioapic: Use new setup function in pre_init_apic_IRQ0() 

Remove the duplicated code and call the function. It does not matter
whether we allocated the cfg before calling setup_local_APIC() and we
can set the irq chip and handler after that as well.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
hifive-unleashed-5.1
Thomas Gleixner 2011-02-23 13:07:54 +01:00
parent ff973d041e
commit f880ec78fa
1 changed files with 2 additions and 7 deletions
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9
arch/x86/kernel/apic/io_apic.c
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@ -4103,20 +4103,15 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
/* Enable IOAPIC early just for system timer */
void __init pre_init_apic_IRQ0(void)
{
struct irq_cfg *cfg;
struct io_apic_irq_attr attr = { 0, 0, 0, 0 };
printk(KERN_INFO "Early APIC setup for system timer0\n");
#ifndef CONFIG_SMP
physid_set_mask_of_physid(boot_cpu_physical_apicid,
&phys_cpu_present_map);
#endif
/* Make sure the irq descriptor is set up */
cfg = alloc_irq_and_cfg_at(0, 0);
setup_local_APIC();
add_pin_to_irq_node(cfg, 0, 0, 0);
io_apic_setup_irq_pin(0, 0, &attr);
set_irq_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq, "edge");
setup_ioapic_irq(0, 0, 0, cfg, 0, 0);
}