return 0;
}
-void pci_assign_irqs(int bus, int device, int func, u8 irq[4])
+void pci_assign_irqs(int bus, int device, u8 irq[4])
{
pci_dev_t bdf;
+ int func;
+ u16 vendor;
u8 pin, line;
- bdf = PCI_BDF(bus, device, func);
+ for (func = 0; func < 8; func++) {
+ bdf = PCI_BDF(bus, device, func);
+ vendor = x86_pci_read_config16(bdf, PCI_VENDOR_ID);
+ if (vendor == 0xffff || vendor == 0x0000)
+ continue;
- pin = x86_pci_read_config8(bdf, PCI_INTERRUPT_PIN);
+ pin = x86_pci_read_config8(bdf, PCI_INTERRUPT_PIN);
- /* PCI spec says all values except 1..4 are reserved */
- if ((pin < 1) || (pin > 4))
- return;
+ /* PCI spec says all values except 1..4 are reserved */
+ if ((pin < 1) || (pin > 4))
+ continue;
- line = irq[pin - 1];
+ line = irq[pin - 1];
- debug("Assigning IRQ %d to PCI device %d.%x.%d (INT%c)\n",
- line, bus, device, func, 'A' + pin - 1);
+ debug("Assigning IRQ %d to PCI device %d.%x.%d (INT%c)\n",
+ line, bus, device, func, 'A' + pin - 1);
- x86_pci_write_config8(bdf, PCI_INTERRUPT_LINE, line);
+ x86_pci_write_config8(bdf, PCI_INTERRUPT_LINE, line);
+ }
}
*
* @bus: PCI bus number
* @device: PCI device number
- * @func: PCI function number
* @irq: An array of IRQ numbers that are assigned to INTA through
* INTD of this PCI device.
*/
-void pci_assign_irqs(int bus, int device, int func, u8 irq[4]);
+void pci_assign_irqs(int bus, int device, u8 irq[4]);
#endif /* __ASSEMBLY__ */
}
/* Bus, device, slots IRQs for {A,B,C,D} */
- pci_assign_irqs(irq->bus, irq->devfn >> 3, irq->devfn & 7,
- irq_slot);
+ pci_assign_irqs(irq->bus, irq->devfn >> 3, irq_slot);
irq++;
}