diff options
Diffstat (limited to 'drivers/pci/htirq.c')
| -rw-r--r-- | drivers/pci/htirq.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 279c940a003..7c5aef13fcd 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -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; } |