arch/x86/pci/init.c

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