[deliverable/linux.git] / arch / x86 / pci / init.c

#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)
{
	int type __maybe_unused = 0;

#ifdef CONFIG_PCI_DIRECT
	type = pci_direct_probe();
#endif
	pci_mmcfg_early_init(type);
	if (raw_pci_ops)
		return 0;
#ifdef CONFIG_PCI_BIOS
	pci_pcbios_init();
#endif
	/*
	 * 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.
	 */
#ifdef CONFIG_PCI_DIRECT
	pci_direct_init(type);
#endif
	if (!raw_pci_ops)
		printk(KERN_ERR
		"PCI: Fatal: No config space access function found\n");

	return 0;
}
arch_initcall(pci_access_init);
Commit	Line	Data
92c05fc1 AK	1	#include <linux/pci.h>
	2	#include <linux/init.h>
	3	#include "pci.h"
	4
	5	/* arch_initcall has too random ordering, so call the initializers
	6	in the right sequence from here. */
	7	static __init int pci_access_init(void)
	8	{
f6744c02	9	int type __maybe_unused = 0;
5e544d61 AK	10
	11	#ifdef CONFIG_PCI_DIRECT
	12	type = pci_direct_probe();
	13	#endif
7752d5cf	14	pci_mmcfg_early_init(type);
92c05fc1 AK	15	if (raw_pci_ops)
	16	return 0;
	17	#ifdef CONFIG_PCI_BIOS
	18	pci_pcbios_init();
	19	#endif
954c0b7c DR	20	/*
	21	* don't check for raw_pci_ops here because we want pcbios as last
	22	* fallback, yet it's needed to run first to set pcibios_last_bus
	23	* in case legacy PCI probing is used. otherwise detecting peer busses
	24	* fails.
	25	*/
92c05fc1	26	#ifdef CONFIG_PCI_DIRECT
5e544d61	27	pci_direct_init(type);
92c05fc1	28	#endif
f015c6c4 AK	29	if (!raw_pci_ops)
	30	printk(KERN_ERR
	31	"PCI: Fatal: No config space access function found\n");
	32
92c05fc1 AK	33	return 0;
	34	}
	35	arch_initcall(pci_access_init);