diff options
Diffstat (limited to 'arch/i386/pci/acpi.c')
-rw-r--r-- | arch/i386/pci/acpi.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/i386/pci/acpi.c b/arch/i386/pci/acpi.c deleted file mode 100644 index bc8a44bddaa7..000000000000 --- a/arch/i386/pci/acpi.c +++ /dev/null @@ -1,90 +0,0 @@ -#include <linux/pci.h> -#include <linux/acpi.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <asm/numa.h> -#include "pci.h" - -struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int domain, int busnum) -{ - struct pci_bus *bus; - struct pci_sysdata *sd; - int pxm; - - /* Allocate per-root-bus (not per bus) arch-specific data. - * TODO: leak; this memory is never freed. - * It's arguable whether it's worth the trouble to care. - */ - sd = kzalloc(sizeof(*sd), GFP_KERNEL); - if (!sd) { - printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum); - return NULL; - } - - if (domain != 0) { - printk(KERN_WARNING "PCI: Multiple domains not supported\n"); - kfree(sd); - return NULL; - } - - sd->node = -1; - - pxm = acpi_get_pxm(device->handle); -#ifdef CONFIG_ACPI_NUMA - if (pxm >= 0) - sd->node = pxm_to_node(pxm); -#endif - - bus = pci_scan_bus_parented(NULL, busnum, &pci_root_ops, sd); - if (!bus) - kfree(sd); - -#ifdef CONFIG_ACPI_NUMA - if (bus != NULL) { - if (pxm >= 0) { - printk("bus %d -> pxm %d -> node %d\n", - busnum, pxm, sd->node); - } - } -#endif - - return bus; -} - -extern int pci_routeirq; -static int __init pci_acpi_init(void) -{ - struct pci_dev *dev = NULL; - - if (pcibios_scanned) - return 0; - - if (acpi_noirq) - return 0; - - printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n"); - acpi_irq_penalty_init(); - pcibios_scanned++; - pcibios_enable_irq = acpi_pci_irq_enable; - pcibios_disable_irq = acpi_pci_irq_disable; - - if (pci_routeirq) { - /* - * PCI IRQ routing is set up by pci_enable_device(), but we - * also do it here in case there are still broken drivers that - * don't use pci_enable_device(). - */ - printk(KERN_INFO "PCI: Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n"); - for_each_pci_dev(dev) - acpi_pci_irq_enable(dev); - } else - printk(KERN_INFO "PCI: If a device doesn't work, try \"pci=routeirq\". If it helps, post a report\n"); - -#ifdef CONFIG_X86_IO_APIC - if (acpi_ioapic) - print_IO_APIC(); -#endif - - return 0; -} -subsys_initcall(pci_acpi_init); |