tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/pci.h>
3#include <linux/init.h>
4#include <asm/pci_x86.h>
5#include <asm/x86_init.h>
6
7/* arch_initcall has too random ordering, so call the initializers
8 in the right sequence from here. */
9static __init int pci_arch_init(void)
10{
11#ifdef CONFIG_PCI_DIRECT
12 int type = 0;
13
14 type = pci_direct_probe();
15#endif
16
17 if (!(pci_probe & PCI_PROBE_NOEARLY))
18 pci_mmcfg_early_init();
19
20 if (x86_init.pci.arch_init && !x86_init.pci.arch_init())
21 return 0;
22
23#ifdef CONFIG_PCI_BIOS
24 pci_pcbios_init();
25#endif
26 /*
27 * don't check for raw_pci_ops here because we want pcbios as last
28 * fallback, yet it's needed to run first to set pcibios_last_bus
29 * in case legacy PCI probing is used. otherwise detecting peer busses
30 * fails.
31 */
32#ifdef CONFIG_PCI_DIRECT
33 pci_direct_init(type);
34#endif
35 if (!raw_pci_ops && !raw_pci_ext_ops)
36 printk(KERN_ERR
37 "PCI: Fatal: No config space access function found\n");
38
39 dmi_check_pciprobe();
40
41 dmi_check_skip_isa_align();
42
43 return 0;
44}
45arch_initcall(pci_arch_init);