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.

1 files changed, 0 insertions, 32 deletions

diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index e61093b34c26..f8b6b2800a62 100644
--- 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;