x86/pci: add 4 more return parameters to IO_APIC_get_PCI_irq_vector()
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>
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index fecbce6..a2f6bde 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -1051,12 +1051,16 @@
*/
if (io_apic_assign_pci_irqs) {
int irq;
+ int ioapic = -1, ioapic_pin = -1;
+ int triggering, polarity;
/*
* interrupt pins are numbered starting from 1
*/
irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
- PCI_SLOT(dev->devfn), pin - 1);
+ PCI_SLOT(dev->devfn), pin - 1,
+ &ioapic, &ioapic_pin,
+ &triggering, &polarity);
/*
* Busses behind bridges are typically not listed in the
* MP-table. In this case we have to look up the IRQ
@@ -1072,7 +1076,10 @@
pin = pci_swizzle_interrupt_pin(dev, pin);
bus = bridge->bus->number;
irq = IO_APIC_get_PCI_irq_vector(bus,
- PCI_SLOT(bridge->devfn), pin - 1);
+ PCI_SLOT(bridge->devfn),
+ pin - 1,
+ &ioapic, &ioapic_pin,
+ &triggering, &polarity);
if (irq >= 0)
dev_warn(&dev->dev,
"using bridge %s INT %c to "
@@ -1221,8 +1228,14 @@
if (io_apic_assign_pci_irqs) {
int irq;
+ int ioapic = -1, ioapic_pin = -1;
+ int triggering, polarity;
- irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, PCI_SLOT(dev->devfn), pin - 1);
+ irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
+ PCI_SLOT(dev->devfn),
+ pin - 1,
+ &ioapic, &ioapic_pin,
+ &triggering, &polarity);
/*
* Busses behind bridges are typically not listed in the MP-table.
* In this case we have to look up the IRQ based on the parent bus,
@@ -1235,7 +1248,10 @@
pin = pci_swizzle_interrupt_pin(dev, pin);
irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
- PCI_SLOT(bridge->devfn), pin - 1);
+ PCI_SLOT(bridge->devfn),
+ pin - 1,
+ &ioapic, &ioapic_pin,
+ &triggering, &polarity);
if (irq >= 0)
dev_warn(&dev->dev, "using bridge %s "
"INT %c to get IRQ %d\n",