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x86/pci: add 4 more return parameters to IO_APIC_get_PCI_irq_vector()

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To prepare those params for pcibios_irq_enable() to call setup_io_apic_routing().

[ Impact: extend function call API to prepare for new functionality ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <4A01C406.2040303@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2009-05-06 10:08:22 -07:00
committed by Ingo Molnar
parent bdfe8ac153
commit e20c06fd69
4 changed files with 110 additions and 77 deletions
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4
arch/x86/include/asm/hw_irq.h
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@@ -63,7 +63,9 @@ extern unsigned long io_apic_irqs;
extern void init_VISWS_APIC_irqs(void);
extern void setup_IO_APIC(void);
extern void disable_IO_APIC(void);
extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin,
int *ioapic, int *ioapic_pin,
int *trigger, int *polarity);
extern void setup_ioapic_dest(void);
extern void enable_IO_APIC(void);