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authorYinghai Lu <yinghai@kernel.org>2009-05-06 10:08:22 -0700
committerIngo Molnar <mingo@elte.hu>2009-05-11 10:35:09 +0200
commite20c06fd6950265a899edd96a02dc2e6ae2d1ce5 (patch)
tree851deab98ff271debe6efb76443fb5fdc3d0be0c /arch/x86/pci
parentbdfe8ac153546537ed24de69610ea781a734f785 (diff)
downloadop-kernel-dev-e20c06fd6950265a899edd96a02dc2e6ae2d1ce5.zip
op-kernel-dev-e20c06fd6950265a899edd96a02dc2e6ae2d1ce5.tar.gz
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>
Diffstat (limited to 'arch/x86/pci')
-rw-r--r--arch/x86/pci/irq.c24
1 files changed, 20 insertions, 4 deletions
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 @@ static void __init pcibios_fixup_irqs(void)
*/
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 @@ static void __init pcibios_fixup_irqs(void)
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 @@ static int pirq_enable_irq(struct pci_dev *dev)
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 @@ static int pirq_enable_irq(struct pci_dev *dev)
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",
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