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

[cascardo/linux.git] / drivers / acpi / pci_root.c

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index fd59f57..8545b1d 100644 (file)
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -434,7 +434,6 @@ static int acpi_pci_root_add(struct acpi_device *device)
        acpi_status status;
        int result;
        struct acpi_pci_root *root;
-       acpi_handle handle;
        struct acpi_pci_driver *driver;
        u32 flags, base_flags;
        bool is_osc_granted = false;
@@ -489,16 +488,6 @@ static int acpi_pci_root_add(struct acpi_device *device)
               acpi_device_name(device), acpi_device_bid(device),
               root->segment, &root->secondary);
 
-       /*
-        * PCI Routing Table
-        * -----------------
-        * Evaluate and parse _PRT, if exists.
-        */
-       status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
-       if (ACPI_SUCCESS(status))
-               result = acpi_pci_irq_add_prt(device->handle, root->segment,
-                                             root->secondary.start);
-
        root->mcfg_addr = acpi_pci_root_get_mcfg_addr(device->handle);
 
        /*
@@ -623,7 +612,6 @@ out_del_root:
        list_del(&root->node);
        mutex_unlock(&acpi_pci_root_lock);
 
-       acpi_pci_irq_del_prt(root->segment, root->secondary.start);
 end:
        kfree(root);
        return result;
@@ -631,8 +619,6 @@ end:
 
 static int acpi_pci_root_remove(struct acpi_device *device, int type)
 {
-       acpi_status status;
-       acpi_handle handle;
        struct acpi_pci_root *root = acpi_driver_data(device);
        struct acpi_pci_driver *driver;
 
@@ -647,10 +633,6 @@ static int acpi_pci_root_remove(struct acpi_device *device, int type)
        device_set_run_wake(root->bus->bridge, false);
        pci_acpi_remove_bus_pm_notifier(device);
 
-       status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
-       if (ACPI_SUCCESS(status))
-               acpi_pci_irq_del_prt(root->segment, root->secondary.start);
-
        pci_remove_root_bus(root->bus);
 
        mutex_lock(&acpi_pci_root_lock);