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// SPDX-License-Identifier: GPL-2.0
#include <linux/pci.h>
#include <linux/init.h>
#include <asm/pci_x86.h>
#include <asm/x86_init.h>
#include <asm/irqdomain.h>
/* arch_initcall has too random ordering, so call the initializers
in the right sequence from here. */
static __init int pci_arch_init(void)
{
int type, pcbios = 1;
type = pci_direct_probe();
if (!(pci_probe & PCI_PROBE_NOEARLY))
pci_mmcfg_early_init();
if (x86_init.pci.arch_init)
pcbios = x86_init.pci.arch_init();
/*
* Must happen after x86_init.pci.arch_init(). Xen sets up the
* x86_init.irqs.create_pci_msi_domain there.
*/
x86_create_pci_msi_domain();
if (!pcbios)
return 0;
pci_pcbios_init();
/*
* don't check for raw_pci_ops here because we want pcbios as last
* fallback, yet it's needed to run first to set pcibios_last_bus
* in case legacy PCI probing is used. otherwise detecting peer busses
* fails.
*/
pci_direct_init(type);
if (!raw_pci_ops && !raw_pci_ext_ops)
printk(KERN_ERR
"PCI: Fatal: No config space access function found\n");
dmi_check_pciprobe();
dmi_check_skip_isa_align();
return 0;
}
arch_initcall(pci_arch_init);
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