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