arch/mips/pci/fixup-ev64120.c

   1 #include <linux/pci.h>
   2 #include <linux/init.h>
   3
   4 int pci_range_ck(unsigned char bus, unsigned char dev)
   5 {
   6         if (((bus == 0) || (bus == 1)) && (dev >= 6) && (dev <= 8))
   7                 return 0;
   8
   9         return -1;
  10 }
  11
  12 /*
  13  * After detecting all agents over the PCI , this function is called
  14  * in order to give an interrupt number for each PCI device starting
  15  * from IRQ 20. It does also enables master for each device.
  16  */
  17 void __devinit pcibios_fixup_bus(struct pci_bus *bus)
  18 {
  19         unsigned int irq = 20;
  20         struct pci_bus *current_bus = bus;
  21         struct pci_dev *dev;
  22         struct list_head *devices_link;
  23
  24         list_for_each(devices_link, &(current_bus->devices)) {
  25                 dev = pci_dev_b(devices_link);
  26                 if (dev != NULL) {
  27                         dev->irq = irq++;
  28
  29                         /* Assign an interrupt number for the device */
  30                         pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
  31                         pcibios_set_master(dev);
  32                 }
  33         }
  34 }