mirror of
https://github.com/torvalds/linux.git
synced 2024-11-05 03:21:32 +00:00
23a3600274
Early type 1 accesses can cause problems on some platforms, and pci=noearly is supposed to prevent them from occurring. However, early mcfg probing code uses type 1 and isn't protected by a check for noearly. This patch fixes that problem. Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
45 lines
1016 B
C
45 lines
1016 B
C
#include <linux/pci.h>
|
|
#include <linux/init.h>
|
|
#include <asm/pci_x86.h>
|
|
|
|
/* arch_initcall has too random ordering, so call the initializers
|
|
in the right sequence from here. */
|
|
static __init int pci_arch_init(void)
|
|
{
|
|
#ifdef CONFIG_PCI_DIRECT
|
|
int type = 0;
|
|
|
|
type = pci_direct_probe();
|
|
#endif
|
|
|
|
if (!(pci_probe & PCI_PROBE_NOEARLY))
|
|
pci_mmcfg_early_init();
|
|
|
|
#ifdef CONFIG_PCI_OLPC
|
|
if (!pci_olpc_init())
|
|
return 0; /* skip additional checks if it's an XO */
|
|
#endif
|
|
#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 && !raw_pci_ext_ops)
|
|
printk(KERN_ERR
|
|
"PCI: Fatal: No config space access function found\n");
|
|
|
|
dmi_check_pciprobe();
|
|
|
|
dmi_check_skip_isa_align();
|
|
|
|
return 0;
|
|
}
|
|
arch_initcall(pci_arch_init);
|