LXR linux/arch/x86/pci/init.c

   1#include <linux/pci.h>
   2#include <linux/init.h>
   3#include <asm/pci_x86.h>
   4#include <asm/x86_init.h>
   5
   6/* arch_initcall has too random ordering, so call the initializers
   7   in the right sequence from here. */
   8static __init int pci_arch_init(void)
   9{
  10#ifdef CONFIG_PCI_DIRECT
  11        int type = 0;
  12
  13        type = pci_direct_probe();
  14#endif
  15
  16        if (!(pci_probe & PCI_PROBE_NOEARLY))
  17                pci_mmcfg_early_init();
  18
  19        if (x86_init.pci.arch_init && !x86_init.pci.arch_init())
  20                return 0;
  21
  22#ifdef CONFIG_PCI_BIOS
  23        pci_pcbios_init();
  24#endif
  25        /*
  26         * don't check for raw_pci_ops here because we want pcbios as last
  27         * fallback, yet it's needed to run first to set pcibios_last_bus
  28         * in case legacy PCI probing is used. otherwise detecting peer busses
  29         * fails.
  30         */
  31#ifdef CONFIG_PCI_DIRECT
  32        pci_direct_init(type);
  33#endif
  34        if (!raw_pci_ops && !raw_pci_ext_ops)
  35                printk(KERN_ERR
  36                "PCI: Fatal: No config space access function found\n");
  37
  38        dmi_check_pciprobe();
  39
  40        dmi_check_skip_isa_align();
  41
  42        return 0;
  43}
  44arch_initcall(pci_arch_init);
  45