| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 | } |