mirror of https://gitee.com/openkylin/linux.git
38 lines
865 B
C
38 lines
865 B
C
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#include <linux/pci.h>
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#include <linux/init.h>
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#include "pci.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_access_init(void)
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{
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int type __maybe_unused = 0;
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#ifdef CONFIG_PCI_DIRECT
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type = pci_direct_probe();
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#endif
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#ifdef CONFIG_PCI_MMCONFIG
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pci_mmcfg_init(type);
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#endif
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if (raw_pci_ops)
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return 0;
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#ifdef CONFIG_PCI_BIOS
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pci_pcbios_init();
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#endif
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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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#ifdef CONFIG_PCI_DIRECT
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pci_direct_init(type);
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#endif
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if (!raw_pci_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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return 0;
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}
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arch_initcall(pci_access_init);
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