LXR linux/arch/i386/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. */
   7static __init int pci_access_init(void)
   8{
   9        int type __maybe_unused = 0;
  10
  11#ifdef CONFIG_PCI_DIRECT
  12        type = pci_direct_probe();
  13#endif
  14#ifdef CONFIG_PCI_MMCONFIG
  15        pci_mmcfg_init(type);
  16#endif
  17        if (raw_pci_ops)
  18                return 0;
  19#ifdef CONFIG_PCI_BIOS
  20        pci_pcbios_init();
  21#endif
  22        /*
  23         * don't check for raw_pci_ops here because we want pcbios as last
  24         * fallback, yet it's needed to run first to set pcibios_last_bus
  25         * in case legacy PCI probing is used. otherwise detecting peer busses
  26         * fails.
  27         */
  28#ifdef CONFIG_PCI_DIRECT
  29        pci_direct_init(type);
  30#endif
  31        if (!raw_pci_ops)
  32                printk(KERN_ERR
  33                "PCI: Fatal: No config space access function found\n");
  34
  35        return 0;
  36}
  37arch_initcall(pci_access_init);
  38