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authorBjorn Helgaas <bhelgaas@google.com>2013-02-19 22:42:17 +0400
committerBjorn Helgaas <bhelgaas@google.com>2013-02-19 22:42:17 +0400
commit018ba0a6efada61b9bc17500101d81c3d35807c2 (patch)
tree13361ad9197c5021841a0ccf0bfb1dabfd6d424e /drivers/pci/pci-acpi.c
parentfd5e20bcb465e8d69a6fda617a7b35fb5f8d4eb1 (diff)
parent181380b702eee1a9aca51354d7b87c7b08541fcf (diff)
downloadlinux-018ba0a6efada61b9bc17500101d81c3d35807c2.tar.xz
Merge branch 'pci/yinghai-root-bus-hotplug' into next
* pci/yinghai-root-bus-hotplug: PCI/ACPI: Don't cache _PRT, and don't associate them with bus numbers
Diffstat (limited to 'drivers/pci/pci-acpi.c')
-rw-r--r--drivers/pci/pci-acpi.c24
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 1c2587c40299..c685ff5e12d2 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -307,25 +307,6 @@ static void pci_acpi_setup(struct device *dev)
struct pci_dev *pci_dev = to_pci_dev(dev);
acpi_handle handle = ACPI_HANDLE(dev);
struct acpi_device *adev;
- acpi_status status;
- acpi_handle dummy;
-
- /*
- * Evaluate and parse _PRT, if exists. This code allows parsing of
- * _PRT objects within the scope of non-bridge devices. Note that
- * _PRTs within the scope of a PCI bridge assume the bridge's
- * subordinate bus number.
- *
- * TBD: Can _PRTs exist within the scope of non-bridge PCI devices?
- */
- status = acpi_get_handle(handle, METHOD_NAME__PRT, &dummy);
- if (ACPI_SUCCESS(status)) {
- unsigned char bus;
-
- bus = pci_dev->subordinate ?
- pci_dev->subordinate->number : pci_dev->bus->number;
- acpi_pci_irq_add_prt(handle, pci_domain_nr(pci_dev->bus), bus);
- }
acpi_power_resource_register_device(dev, handle);
if (acpi_bus_get_device(handle, &adev) || !adev->wakeup.flags.valid)
@@ -341,7 +322,6 @@ static void pci_acpi_setup(struct device *dev)
static void pci_acpi_cleanup(struct device *dev)
{
- struct pci_dev *pci_dev = to_pci_dev(dev);
acpi_handle handle = ACPI_HANDLE(dev);
struct acpi_device *adev;
@@ -351,10 +331,6 @@ static void pci_acpi_cleanup(struct device *dev)
pci_acpi_remove_pm_notifier(adev);
}
acpi_power_resource_unregister_device(dev, handle);
-
- if (pci_dev->subordinate)
- acpi_pci_irq_del_prt(pci_domain_nr(pci_dev->bus),
- pci_dev->subordinate->number);
}
static struct acpi_bus_type acpi_pci_bus = {