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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>
44 lines
1,016 B
C
44 lines
1,016 B
C
#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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/* 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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#ifdef CONFIG_PCI_DIRECT
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int type = 0;
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type = pci_direct_probe();
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#endif
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if (!(pci_probe & PCI_PROBE_NOEARLY))
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pci_mmcfg_early_init();
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#ifdef CONFIG_PCI_OLPC
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if (!pci_olpc_init())
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return 0; /* skip additional checks if it's an XO */
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#endif
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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 && !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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