1 files changed, 0 insertions, 157 deletions

diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
deleted file mode 100644
index 4095e4d66a1d..000000000000
--- a/arch/x86_64/pci/mmconfig.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * mmconfig.c - Low-level direct PCI config space access via MMCONFIG
- *
- * This is an 64bit optimized version that always keeps the full mmconfig
- * space mapped. This allows lockless config space operation.
- */
-
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/acpi.h>
-#include <linux/bitmap.h>
-#include <asm/e820.h>
-
-#include "pci.h"
-
-/* Static virtual mapping of the MMCONFIG aperture */
-struct mmcfg_virt {
-        struct acpi_mcfg_allocation *cfg;
-        char __iomem *virt;
-};
-static struct mmcfg_virt *pci_mmcfg_virt;
-
-static char __iomem *get_virt(unsigned int seg, unsigned bus)
-{
-        struct acpi_mcfg_allocation *cfg;
-        int cfg_num;
-
-        for (cfg_num = 0; cfg_num < pci_mmcfg_config_num; cfg_num++) {
-                cfg = pci_mmcfg_virt[cfg_num].cfg;
-                if (cfg->pci_segment == seg &&
-                    (cfg->start_bus_number <= bus) &&
-                    (cfg->end_bus_number >= bus))
-                        return pci_mmcfg_virt[cfg_num].virt;
-        }
-
-        /* Fall back to type 0 */
-        return NULL;
-}
-
-static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
-{
-        char __iomem *addr;
-        if (seg == 0 && bus < PCI_MMCFG_MAX_CHECK_BUS &&
-                test_bit(32*bus + PCI_SLOT(devfn), pci_mmcfg_fallback_slots))
-                return NULL;
-        addr = get_virt(seg, bus);
-        if (!addr)
-                return NULL;
-        return addr + ((bus << 20) | (devfn << 12));
-}
-
-static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
-                          unsigned int devfn, int reg, int len, u32 *value)
-{
-        char __iomem *addr;
-
-        /* Why do we have this when nobody checks it. How about a BUG()!? -AK */
-        if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) {
-                *value = -1;
-                return -EINVAL;
-        }
-
-        addr = pci_dev_base(seg, bus, devfn);
-        if (!addr)
-                return pci_conf1_read(seg,bus,devfn,reg,len,value);
-
-        switch (len) {
-        case 1:
-                *value = mmio_config_readb(addr + reg);
-                break;
-        case 2:
-                *value = mmio_config_readw(addr + reg);
-                break;
-        case 4:
-                *value = mmio_config_readl(addr + reg);
-                break;
-        }
-
-        return 0;
-}
-
-static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
-                           unsigned int devfn, int reg, int len, u32 value)
-{
-        char __iomem *addr;
-
-        /* Why do we have this when nobody checks it. How about a BUG()!? -AK */
-        if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095)))
-                return -EINVAL;
-
-        addr = pci_dev_base(seg, bus, devfn);
-        if (!addr)
-                return pci_conf1_write(seg,bus,devfn,reg,len,value);
-
-        switch (len) {
-        case 1:
-                mmio_config_writeb(addr + reg, value);
-                break;
-        case 2:
-                mmio_config_writew(addr + reg, value);
-                break;
-        case 4:
-                mmio_config_writel(addr + reg, value);
-                break;
-        }
-
-        return 0;
-}
-
-static struct pci_raw_ops pci_mmcfg = {
-        .read =         pci_mmcfg_read,
-        .write =        pci_mmcfg_write,
-};
-
-static void __iomem * __init mcfg_ioremap(struct acpi_mcfg_allocation *cfg)
-{
-        void __iomem *addr;
-        u32 size;
-
-        size = (cfg->end_bus_number + 1) << 20;
-        addr = ioremap_nocache(cfg->address, size);
-        if (addr) {
-                printk(KERN_INFO "PCI: Using MMCONFIG at %Lx - %Lx\n",
-                       cfg->address, cfg->address + size - 1);
-        }
-        return addr;
-}
-
-int __init pci_mmcfg_arch_reachable(unsigned int seg, unsigned int bus,
-                                    unsigned int devfn)
-{
-        return pci_dev_base(seg, bus, devfn) != NULL;
-}
-
-int __init pci_mmcfg_arch_init(void)
-{
-        int i;
-        pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) *
-                                 pci_mmcfg_config_num, GFP_KERNEL);
-        if (pci_mmcfg_virt == NULL) {
-                printk(KERN_ERR "PCI: Can not allocate memory for mmconfig structures\n");
-                return 0;
-        }
-
-        for (i = 0; i < pci_mmcfg_config_num; ++i) {
-                pci_mmcfg_virt[i].cfg = &pci_mmcfg_config[i];
-                pci_mmcfg_virt[i].virt = mcfg_ioremap(&pci_mmcfg_config[i]);
-                if (!pci_mmcfg_virt[i].virt) {
-                        printk(KERN_ERR "PCI: Cannot map mmconfig aperture for "
-                                        "segment %d\n",
-                                pci_mmcfg_config[i].pci_segment);
-                        return 0;
-                }
-        }
-        raw_pci_ops = &pci_mmcfg;
-        return 1;
-}