12 files changed, 116 insertions, 41 deletions

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 8ed26480371f..f941f609dbf3 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -14,11 +14,12 @@
  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  * Place - Suite 330, Boston, MA 02111-1307 USA.
  *
- *      Copyright (C) Ashok Raj <ashok.raj@intel.com>
- *      Copyright (C) Shaohua Li <shaohua.li@intel.com>
- *      Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ * Copyright (C) 2006-2008 Intel Corporation
+ * Author: Ashok Raj <ashok.raj@intel.com>
+ * Author: Shaohua Li <shaohua.li@intel.com>
+ * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
  *
- *      This file implements early detection/parsing of DMA Remapping Devices
+ * This file implements early detection/parsing of DMA Remapping Devices
  * reported to OS through BIOS via DMA remapping reporting (DMAR) ACPI
  * tables.
  */
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index c8c263875c21..9279d5ba62e6 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -392,6 +392,9 @@ static int __init acpiphp_init(void)
 {
         info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
 
+        if (acpi_pci_disabled)
+                return 0;
+
         acpiphp_debug = debug;
 
         /* read all the ACPI info from the system */
@@ -401,6 +404,9 @@ static int __init acpiphp_init(void)
 
 static void __exit acpiphp_exit(void)
 {
+        if (acpi_pci_disabled)
+                return;
+
         /* deallocate internal data structures etc. */
         acpiphp_glue_exit();
 }
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 750ebd7a4c10..b0a22b92717e 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -395,33 +395,34 @@ static acpi_status __init ibm_find_acpi_device(acpi_handle handle,
 {
         acpi_handle *phandle = (acpi_handle *)context;
         acpi_status status; 
-        struct acpi_device_info info; 
-        struct acpi_buffer info_buffer = {
-                .length = sizeof(struct acpi_device_info),
-                .pointer = &info,
-        };
+        struct acpi_device_info *info;
+        struct acpi_buffer info_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+        int retval = 0;
 
         status = acpi_get_object_info(handle, &info_buffer);
         if (ACPI_FAILURE(status)) {
-                err("%s:  Failed to get device information\n", __FUNCTION__);
-                return 0;
+                err("%s:  Failed to get device information status=0x%x\n",
+                        __FUNCTION__, status);
+                return retval;
         }
-        info.hardware_id.value[sizeof(info.hardware_id.value) - 1] = '\0';
-
-        if (info.current_status && (info.valid & ACPI_VALID_HID) &&
-                        (!strcmp(info.hardware_id.value, IBM_HARDWARE_ID1) ||
-                        !strcmp(info.hardware_id.value, IBM_HARDWARE_ID2))) {
-                dbg("found hardware: %s, handle: %p\n", info.hardware_id.value,
-                                handle);
+        info = info_buffer.pointer;
+        info->hardware_id.value[sizeof(info->hardware_id.value) - 1] = '\0';
+
+        if (info->current_status && (info->valid & ACPI_VALID_HID) &&
+                        (!strcmp(info->hardware_id.value, IBM_HARDWARE_ID1) ||
+                         !strcmp(info->hardware_id.value, IBM_HARDWARE_ID2))) {
+                dbg("found hardware: %s, handle: %p\n",
+                        info->hardware_id.value, handle);
                 *phandle = handle;
                 /* returning non-zero causes the search to stop
                  * and returns this value to the caller of 
                  * acpi_walk_namespace, but it also causes some warnings
                  * in the acpi debug code to print...
                  */
-                return FOUND_APCI;
+                retval = FOUND_APCI;
         }
-        return 0;
+        kfree(info);
+        return retval;
 }
 
 static int __init ibm_acpiphp_init(void)
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index a4c3089f892a..977d29b32295 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -14,9 +14,10 @@
  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  * Place - Suite 330, Boston, MA 02111-1307 USA.
  *
- * Copyright (C) Ashok Raj <ashok.raj@intel.com>
- * Copyright (C) Shaohua Li <shaohua.li@intel.com>
- * Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ * Copyright (C) 2006-2008 Intel Corporation
+ * Author: Ashok Raj <ashok.raj@intel.com>
+ * Author: Shaohua Li <shaohua.li@intel.com>
+ * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
  */
 
 #include <linux/init.h>
diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h
index 07f5f6353bda..afc0ad96122e 100644
--- a/drivers/pci/intel-iommu.h
+++ b/drivers/pci/intel-iommu.h
@@ -14,8 +14,9 @@
  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  * Place - Suite 330, Boston, MA 02111-1307 USA.
  *
- * Copyright (C) Ashok Raj <ashok.raj@intel.com>
- * Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ * Copyright (C) 2006-2008 Intel Corporation
+ * Author: Ashok Raj <ashok.raj@intel.com>
+ * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
  */
 
 #ifndef _INTEL_IOMMU_H_
diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c
index 8de7ab6c6d0c..dbcdd6bfa63a 100644
--- a/drivers/pci/iova.c
+++ b/drivers/pci/iova.c
@@ -3,7 +3,8 @@
  *
  * This file is released under the GPLv2.
  *
- * Copyright (C) 2006 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ * Copyright (C) 2006-2008 Intel Corporation
+ * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
  */
 
 #include "iova.h"
diff --git a/drivers/pci/iova.h b/drivers/pci/iova.h
index d521b5b7319c..228f6c94b69c 100644
--- a/drivers/pci/iova.h
+++ b/drivers/pci/iova.h
@@ -3,7 +3,8 @@
  *
  * This file is released under the GPLv2.
  *
- * Copyright (C) 2006 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ * Copyright (C) 2006-2008 Intel Corporation
+ * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
  *
  */
 
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index e569645d59e2..4a23654184fc 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -158,6 +158,7 @@ run_osc_out:
 /**
  * __pci_osc_support_set - register OS support to Firmware
  * @flags: OS support bits
+ * @hid: hardware ID
  *
  * Update OS support fields and doing a _OSC Query to obtain an update
  * from Firmware on supported control bits.
@@ -241,8 +242,6 @@ EXPORT_SYMBOL(pci_osc_control_set);
  *      choose from highest power _SxD to lowest power _SxW
  * else // no _PRW at S-state x
  *      choose highest power _SxD or any lower power
- *
- * currently we simply return _SxD, if present.
  */
 
 static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev,
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index ae3df46eaabf..183fddaa38b7 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -554,6 +554,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state)
         case PM_EVENT_PRETHAW:
                 /* REVISIT both freeze and pre-thaw "should" use D0 */
         case PM_EVENT_SUSPEND:
+        case PM_EVENT_HIBERNATE:
                 return PCI_D3hot;
         default:
                 printk("Unrecognized suspend event %d\n", state.event);
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 68aeeb7206de..ef18fcd641e2 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -422,7 +422,7 @@ int pci_proc_detach_device(struct pci_dev *dev)
         struct proc_dir_entry *e;
 
         if ((e = dev->procent)) {
-                if (atomic_read(&e->count))
+                if (atomic_read(&e->count) > 1)
                         return -EBUSY;
                 remove_proc_entry(e->name, dev->bus->procdir);
                 dev->procent = NULL;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 0a953d43b9a2..bbad4a9f264f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -867,13 +867,13 @@ static void quirk_disable_pxb(struct pci_dev *pdev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82454NX,    quirk_disable_pxb);
 DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82454NX,    quirk_disable_pxb);
 
-
-static void __devinit quirk_sb600_sata(struct pci_dev *pdev)
+static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev)
 {
-        /* set sb600 sata to ahci mode */
-        if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
-                u8 tmp;
+        /* set sb600/sb700/sb800 sata to ahci mode */
+        u8 tmp;
 
+        pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp);
+        if (tmp == 0x01) {
                 pci_read_config_byte(pdev, 0x40, &tmp);
                 pci_write_config_byte(pdev, 0x40, tmp|1);
                 pci_write_config_byte(pdev, 0x9, 1);
@@ -881,10 +881,13 @@ static void __devinit quirk_sb600_sata(struct pci_dev *pdev)
                 pci_write_config_byte(pdev, 0x40, tmp);
 
                 pdev->class = PCI_CLASS_STORAGE_SATA_AHCI;
+                dev_info(&pdev->dev, "set SATA to AHCI mode\n");
         }
 }
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_sb600_sata);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
 
 /*
  *      Serverworks CSB5 IDE does not fully support native mode
@@ -1775,6 +1778,68 @@ static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
                         quirk_nvidia_ck804_msi_ht_cap);
 
+/*
+ *  Force enable MSI mapping capability on HT bridges  */
+static inline void ht_enable_msi_mapping(struct pci_dev *dev)
+{
+        int pos, ttl = 48;
+
+        pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING);
+        while (pos && ttl--) {
+                u8 flags;
+
+                if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
+                                         &flags) == 0) {
+                        dev_info(&dev->dev, "Enabling HT MSI Mapping\n");
+
+                        pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
+                                              flags | HT_MSI_FLAGS_ENABLE);
+                }
+                pos = pci_find_next_ht_capability(dev, pos,
+                                                  HT_CAPTYPE_MSI_MAPPING);
+        }
+}
+
+static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
+{
+        struct pci_dev *host_bridge;
+        int pos, ttl = 48;
+
+        /*
+         * HT MSI mapping should be disabled on devices that are below
+         * a non-Hypertransport host bridge. Locate the host bridge...
+         */
+        host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+        if (host_bridge == NULL) {
+                dev_warn(&dev->dev,
+                         "nv_msi_ht_cap_quirk didn't locate host bridge\n");
+                return;
+        }
+
+        pos = pci_find_ht_capability(host_bridge, HT_CAPTYPE_SLAVE);
+        if (pos != 0) {
+                /* Host bridge is to HT */
+                ht_enable_msi_mapping(dev);
+                return;
+        }
+
+        /* Host bridge is not to HT, disable HT MSI mapping on this device */
+        pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING);
+        while (pos && ttl--) {
+                u8 flags;
+
+                if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
+                                         &flags) == 0) {
+                        dev_info(&dev->dev, "Quirk disabling HT MSI mapping");
+                        pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
+                                              flags & ~HT_MSI_FLAGS_ENABLE);
+                }
+                pos = pci_find_next_ht_capability(dev, pos,
+                                                  HT_CAPTYPE_MSI_MAPPING);
+        }
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk);
+
 static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev)
 {
         dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG;
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 262b0439abe9..125e7b7f34ff 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -206,10 +206,8 @@ pci_setup_bridge(struct pci_bus *bus)
         if (bus->resource[2]->flags & IORESOURCE_PREFETCH) {
                 l = (region.start >> 16) & 0xfff0;
                 l |= region.end & 0xfff00000;
-#ifdef CONFIG_RESOURCES_64BIT
-                bu = region.start >> 32;
-                lu = region.end >> 32;
-#endif
+                bu = upper_32_bits(region.start);
+                lu = upper_32_bits(region.end);
                 DBG(KERN_INFO "  PREFETCH window: 0x%016llx-0x%016llx\n",
                     (unsigned long long)region.start,
                     (unsigned long long)region.end);