| Start/ | End/ | |||
| True | False | - | Line | Source |
| 1 | #include <linux/pci.h> | |||
| 2 | #include <linux/acpi.h> | |||
| 3 | #include <linux/init.h> | |||
| 4 | #include <linux/irq.h> | |||
| 5 | #include <asm/numa.h> | |||
| 6 | #include "pci.h" | |||
| 7 | ||||
| 6 | 0 | 8 | struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int domain, int busnum) | |
| 9 | { | |||
| 10 | struct pci_bus *bus; | |||
| 11 | ||||
| 0 | 6 | - | 12 | if (domain != 0) { |
| 13 | printk(KERN_WARNING "PCI: Multiple domains not supported\n"); | |||
| 0 | - | 14 | return NULL; | |
| 15 | } | |||
| 16 | ||||
| 17 | bus = pcibios_scan_root(busnum); | |||
| 18 | #ifdef CONFIG_ACPI_NUMA | |||
| 19 | if (bus != NULL) { | |||
| 20 | int pxm = acpi_get_pxm(device->handle); | |||
| 21 | if (pxm >= 0) { | |||
| 22 | bus->sysdata = (void *)(unsigned long)pxm_to_node(pxm); | |||
| 23 | printk("bus %d -> pxm %d -> node %ld\n", | |||
| 24 | busnum, pxm, (long)(bus->sysdata)); | |||
| 25 | } | |||
| 26 | } | |||
| 27 | #endif | |||
| 28 | ||||
| 6 | 29 | return bus; | ||
| 30 | } | |||
| 31 | ||||
| 32 | extern int pci_routeirq; | |||
| 6 | 0 | 33 | static int __init pci_acpi_init(void) | |
| 34 | { | |||
| 35 | struct pci_dev *dev = NULL; | |||
| 36 | ||||
| 0 | 6 | - | 37 | if (pcibios_scanned) |
| 0 | - | 38 | return 0; | |
| 39 | ||||
| 0 | 6 | - | 40 | if (acpi_noirq) |
| 0 | - | 41 | return 0; | |
| 42 | ||||
| 43 | printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n"); | |||
| 44 | acpi_irq_penalty_init(); | |||
| 45 | pcibios_scanned++; | |||
| 46 | pcibios_enable_irq = acpi_pci_irq_enable; | |||
| 47 | pcibios_disable_irq = acpi_pci_irq_disable; | |||
| 48 | ||||
| 0 | 6 | - | 49 | if (pci_routeirq) { |
| 50 | /* | |||
| 51 | * PCI IRQ routing is set up by pci_enable_device(), but we | |||
| 52 | * also do it here in case there are still broken drivers that | |||
| 53 | * don't use pci_enable_device(). | |||
| 54 | */ | |||
| 55 | printk(KERN_INFO "PCI: Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n"); | |||
| 0 | 0 | - | 56 | for_each_pci_dev(dev) |
| 57 | acpi_pci_irq_enable(dev); | |||
| 58 | } else | |||
| 59 | printk(KERN_INFO "PCI: If a device doesn't work, try \"pci=routeirq\". If it helps, post a report\n"); | |||
| 60 | ||||
| 61 | #ifdef CONFIG_X86_IO_APIC | |||
| 6 | 0 | - | 62 | if (acpi_ioapic) |
| 63 | print_IO_APIC(); | |||
| 64 | #endif | |||
| 65 | ||||
| 6 | 66 | return 0; | ||
| 67 | } | |||
| 68 | subsys_initcall(pci_acpi_init); | |||
| ***TER 47% (9/19) of SOURCE FILE acpi.c | ||||