Revert "[PATCH] MMCONFIG and new Intel motherboards"

This reverts 4c6e052adfe285ede5884e4e8c4d33af33932c13 commit.

Following Linus' i386 change: revert resource reservation
for mmcfg config now. Will be revisited in .20 hopefully.

diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index e61093b34c268ea77590a0f3545458f5def50674..f8b6b2800a62c86641d94badfc5b1201951b2578 100644 (file)
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -163,37 +163,6 @@ static __init void unreachable_devices(void)
        }
 }
 
-static __init void pci_mmcfg_insert_resources(void)
-{
-#define PCI_MMCFG_RESOURCE_NAME_LEN 19
-       int i;
-       struct resource *res;
-       char *names;
-       unsigned num_buses;
-
-       res = kcalloc(PCI_MMCFG_RESOURCE_NAME_LEN + sizeof(*res),
-                       pci_mmcfg_config_num, GFP_KERNEL);
-
-       if (!res) {
-               printk(KERN_ERR "PCI: Unable to allocate MMCONFIG resources\n");
-               return;
-       }
-
-       names = (void *)&res[pci_mmcfg_config_num];
-       for (i = 0; i < pci_mmcfg_config_num; i++, res++) {
-               num_buses = pci_mmcfg_config[i].end_bus_number -
-                   pci_mmcfg_config[i].start_bus_number + 1;
-               res->name = names;
-               snprintf(names, PCI_MMCFG_RESOURCE_NAME_LEN, "PCI MMCONFIG %u",
-                       pci_mmcfg_config[i].pci_segment_group_number);
-               res->start = pci_mmcfg_config[i].base_address;
-               res->end = res->start + (num_buses << 20) - 1;
-               res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
-               insert_resource(&iomem_resource, res);
-               names += PCI_MMCFG_RESOURCE_NAME_LEN;
-       }
-}
-
 void __init pci_mmcfg_init(int type)
 {
        int i;
@@ -237,7 +206,6 @@ void __init pci_mmcfg_init(int type)
        }
 
        unreachable_devices();
-       pci_mmcfg_insert_resources();
 
        raw_pci_ops = &pci_mmcfg;
        pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;