init.c 850 字节
Newer Older
1 2 3 4 5 6 7 8
#include <linux/pci.h>
#include <linux/init.h>
#include "pci.h"

/* arch_initcall has too random ordering, so call the initializers
   in the right sequence from here. */
static __init int pci_access_init(void)
{
9 10 11 12 13
	int type = 0;

#ifdef CONFIG_PCI_DIRECT
	type = pci_direct_probe();
#endif
14
#ifdef CONFIG_PCI_MMCONFIG
15
	pci_mmcfg_init(type);
16 17 18 19 20 21
#endif
	if (raw_pci_ops)
		return 0;
#ifdef CONFIG_PCI_BIOS
	pci_pcbios_init();
#endif
22 23 24 25 26 27
	/*
	 * 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.
	 */
28
#ifdef CONFIG_PCI_DIRECT
29
	pci_direct_init(type);
30
#endif
31 32 33 34
	if (!raw_pci_ops)
		printk(KERN_ERR
		"PCI: Fatal: No config space access function found\n");

35 36 37
	return 0;
}
arch_initcall(pci_access_init);
新手
引导
客服 返回
顶部