PCI/ACPI: Don't cache _PRT, and don't associate them with bus numbers

[cascardo/linux.git] / drivers / pci / pci-acpi.c

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 42736e2..9ba9df5 100644 (file)
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -325,25 +325,6 @@ 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)
@@ -359,7 +340,6 @@ 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;
 
@@ -369,10 +349,6 @@ 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 = {