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x86: use 28 bits irq NR for pci msi/msix and ht

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also print out irq no in /proc/interrups and /proc/stat in hex, so could
tell bus/dev/func.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2008-08-19 20:50:22 -07:00
committed by Ingo Molnar
parent e420dfb40c
commit 6d50bc2683
5 changed files with 73 additions and 18 deletions
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22
drivers/pci/htirq.c
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@@ -82,6 +82,18 @@ void unmask_ht_irq(unsigned int irq)
write_ht_irq_msg(irq, &msg);
}
static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
{
unsigned int irq;
irq = dev->bus->number;
irq <<= 8;
irq |= dev->devfn;
irq <<= 12;
return irq;
}
/**
* __ht_create_irq - create an irq and attach it to a device.
* @dev: The hypertransport device to find the irq capability on.
@@ -97,7 +109,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
u32 data;
int max_irq;
int pos;
int irq;
unsigned int irq;
unsigned int irq_want;
pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
if (!pos)
@@ -125,8 +138,13 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
cfg->msg.address_lo = 0xffffffff;
cfg->msg.address_hi = 0xffffffff;
irq_want= build_irq_for_pci_dev(dev);
#ifdef CONFIG_HAVE_SPARSE_IRQ
irq = create_irq_nr(irq_want + idx);
#else
irq = create_irq();
if (irq < 0) {
#endif
if (irq == 0) {
kfree(cfg);
return -EBUSY;
}