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Merge branch 'topic/jiang-mmconfig-v10' into next

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* topic/jiang-mmconfig-v10:
  ACPI: mark acpi_sfi_table_parse() as __init
  x86/PCI: use pr_level() to replace printk(KERN_LEVEL)
  x86/PCI: refine __pci_mmcfg_init() for better code readability
  x86/PCI: get rid of redundant log messages
  x86/PCI: simplify pci_mmcfg_late_insert_resources()
  x86/PCI: update MMCONFIG information when hot-plugging PCI host bridges
  PCI/ACPI: provide MMCONFIG address for PCI host bridges
  x86/PCI: add pci_mmconfig_insert()/delete() for PCI root bridge hotplug
  x86/PCI: prepare pci_mmcfg_check_reserved() to be called at runtime
  x86/PCI: introduce pci_mmcfg_arch_map()/pci_mmcfg_arch_unmap()
  x86/PCI: use RCU list to protect mmconfig list
  x86/PCI: split out pci_mmconfig_alloc() for code reuse
  x86/PCI: split out pci_mmcfg_check_reserved() for code reuse
This commit is contained in:
Bjorn Helgaas 2012-06-22 15:39:00 -06:00
commit e5028b52e4
11 changed files with 430 additions and 154 deletions
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14
drivers/pci/pci-acpi.c
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@ -162,6 +162,20 @@ acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
return remove_pm_notifier(dev, pci_acpi_wake_dev);
}
phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle)
{
acpi_status status = AE_NOT_EXIST;
unsigned long long mcfg_addr;
if (handle)
status = acpi_evaluate_integer(handle, METHOD_NAME__CBA,
NULL, &mcfg_addr);
if (ACPI_FAILURE(status))
return 0;
return (phys_addr_t)mcfg_addr;
}
/*
* _SxD returns the D-state with the highest power
* (lowest D-state number) supported in the S-state "x".