7 files changed, 44 insertions, 6 deletions

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 26c536b51c5a..5f333403c2ea 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -42,6 +42,7 @@
 LIST_HEAD(dmar_drhd_units);
 
 static struct acpi_table_header * __initdata dmar_tbl;
+static acpi_size dmar_tbl_size;
 
 static void __init dmar_register_drhd_unit(struct dmar_drhd_unit *drhd)
 {
@@ -288,8 +289,9 @@ static int __init dmar_table_detect(void)
         acpi_status status = AE_OK;
 
         /* if we could find DMAR table, then there are DMAR devices */
-        status = acpi_get_table(ACPI_SIG_DMAR, 0,
-                                (struct acpi_table_header **)&dmar_tbl);
+        status = acpi_get_table_with_size(ACPI_SIG_DMAR, 0,
+                                (struct acpi_table_header **)&dmar_tbl,
+                                &dmar_tbl_size);
 
         if (ACPI_SUCCESS(status) && !dmar_tbl) {
                 printk (KERN_WARNING PREFIX "Unable to map DMAR\n");
@@ -489,6 +491,7 @@ void __init detect_intel_iommu(void)
                         iommu_detected = 1;
 #endif
         }
+        early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size);
         dmar_tbl = NULL;
 }
 
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index eacfb13998bb..9aa4fe100a0d 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -143,7 +143,7 @@ config HOTPLUG_PCI_SHPC
 
 config HOTPLUG_PCI_RPA
         tristate "RPA PCI Hotplug driver"
-        depends on PPC_PSERIES && PPC64 && !HOTPLUG_PCI_FAKE
+        depends on PPC_PSERIES && EEH && !HOTPLUG_PCI_FAKE
         help
           Say Y here if you have a RPA system that supports PCI Hotplug.
 
diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c
index a13abf55d784..8450f4a6568a 100644
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -225,7 +225,8 @@ void cpqhp_shutdown_debugfs(void)
 
 void cpqhp_create_debugfs_files(struct controller *ctrl)
 {
-        ctrl->dentry = debugfs_create_file(ctrl->pci_dev->dev.bus_id, S_IRUGO, root, ctrl, &debug_ops);
+        ctrl->dentry = debugfs_create_file(dev_name(&ctrl->pci_dev->dev),
+                                           S_IRUGO, root, ctrl, &debug_ops);
 }
 
 void cpqhp_remove_debugfs_files(struct controller *ctrl)
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 45effc5726c0..9d07a05d26f1 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -6,6 +6,7 @@
 #include <linux/irq.h>
 #include <asm/io_apic.h>
 #include <asm/smp.h>
+#include <asm/cpu.h>
 #include <linux/intel-iommu.h>
 #include "intr_remapping.h"
 
@@ -20,7 +21,7 @@ struct irq_2_iommu {
         u8  irte_mask;
 };
 
-#ifdef CONFIG_SPARSE_IRQ
+#ifdef CONFIG_GENERIC_HARDIRQS
 static struct irq_2_iommu *get_one_free_irq_2_iommu(int cpu)
 {
         struct irq_2_iommu *iommu;
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index d0c973685868..382575007382 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -133,6 +133,9 @@ static void set_downstream_devices_error_reporting(struct pci_dev *dev,
                                                    bool enable)
 {
         set_device_error_reporting(dev, &enable);
+
+        if (!dev->subordinate)
+                return;
         pci_walk_bus(dev->subordinate, set_device_error_reporting, &enable);
 }
 
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 248b4db91552..5ea566e20b37 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -103,6 +103,7 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
 static void pcie_portdrv_remove (struct pci_dev *dev)
 {
         pcie_port_device_remove(dev);
+        pci_disable_device(dev);
         kfree(pci_get_drvdata(dev));
 }
 
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index f20d55368edb..92b9efe9bcaf 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -23,6 +23,7 @@
 #include <linux/acpi.h>
 #include <linux/kallsyms.h>
 #include <linux/dmi.h>
+#include <linux/pci-aspm.h>
 #include "pci.h"
 
 int isa_dma_bridge_buggy;
@@ -1749,6 +1750,30 @@ static void __devinit quirk_e100_interrupt(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_e100_interrupt);
 
+/*
+ * The 82575 and 82598 may experience data corruption issues when transitioning
+ * out of L0S.  To prevent this we need to disable L0S on the pci-e link
+ */
+static void __devinit quirk_disable_aspm_l0s(struct pci_dev *dev)
+{
+        dev_info(&dev->dev, "Disabling L0s\n");
+        pci_disable_link_state(dev, PCIE_LINK_STATE_L0S);
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10a7, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10a9, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10b6, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c6, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c7, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10c8, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10d6, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10db, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10dd, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10e1, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10ec, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f1, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f4, quirk_disable_aspm_l0s);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1508, quirk_disable_aspm_l0s);
+
 static void __devinit fixup_rev1_53c810(struct pci_dev* dev)
 {
         /* rev 1 ncr53c810 chips don't set the class at all which means
@@ -2097,7 +2122,7 @@ static void __devinit ht_disable_msi_mapping(struct pci_dev *dev)
 
                 if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
                                          &flags) == 0) {
-                        dev_info(&dev->dev, "Enabling HT MSI Mapping\n");
+                        dev_info(&dev->dev, "Disabling HT MSI Mapping\n");
 
                         pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
                                               flags & ~HT_MSI_FLAGS_ENABLE);
@@ -2141,6 +2166,10 @@ static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
         int pos;
         int found;
 
+        /* Enabling HT MSI mapping on this device breaks MCP51 */
+        if (dev->device == 0x270)
+                return;
+
         /* check if there is HT MSI cap or enabled on this device */
         found = ht_check_msi_mapping(dev);