Merge tag 'pci-v3.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "Enumeration
   - Increment max correctly in pci_scan_bridge() (Andreas Noever)
   - Clarify the "scan anyway" comment in pci_scan_bridge() (Andreas Noever)
   - Assign CardBus bus number only during the second pass (Andreas Noever)
   - Use request_resource_conflict() instead of insert_ for bus numbers (Andreas Noever)
   - Make sure bus number resources stay within their parents bounds (Andreas Noever)
   - Remove pci_fixup_parent_subordinate_busnr() (Andreas Noever)
   - Check for child busses which use more bus numbers than allocated (Andreas Noever)
   - Don't scan random busses in pci_scan_bridge() (Andreas Noever)
   - x86: Drop pcibios_scan_root() check for bus already scanned (Bjorn Helgaas)
   - x86: Use pcibios_scan_root() instead of pci_scan_bus_with_sysdata() (Bjorn Helgaas)
   - x86: Use pcibios_scan_root() instead of pci_scan_bus_on_node() (Bjorn Helgaas)
   - x86: Merge pci_scan_bus_on_node() into pcibios_scan_root() (Bjorn Helgaas)
   - x86: Drop return value of pcibios_scan_root() (Bjorn Helgaas)

  NUMA
   - x86: Add x86_pci_root_bus_node() to look up NUMA node from PCI bus (Bjorn Helgaas)
   - x86: Use x86_pci_root_bus_node() instead of get_mp_bus_to_node() (Bjorn Helgaas)
   - x86: Remove mp_bus_to_node[], set_mp_bus_to_node(), get_mp_bus_to_node() (Bjorn Helgaas)
   - x86: Use NUMA_NO_NODE, not -1, for unknown node (Bjorn Helgaas)
   - x86: Remove acpi_get_pxm() usage (Bjorn Helgaas)
   - ia64: Use NUMA_NO_NODE, not MAX_NUMNODES, for unknown node (Bjorn Helgaas)
   - ia64: Remove acpi_get_pxm() usage (Bjorn Helgaas)
   - ACPI: Fix acpi_get_node() prototype (Bjorn Helgaas)

  Resource management
   - i2o: Fix and refactor PCI space allocation (Bjorn Helgaas)
   - Add resource_contains() (Bjorn Helgaas)
   - Add %pR support for IORESOURCE_UNSET (Bjorn Helgaas)
   - Mark resources as IORESOURCE_UNSET if we can't assign them (Bjorn Helgaas)
   - Don't clear IORESOURCE_UNSET when updating BAR (Bjorn Helgaas)
   - Check IORESOURCE_UNSET before updating BAR (Bjorn Helgaas)
   - Don't try to claim IORESOURCE_UNSET resources (Bjorn Helgaas)
   - Mark 64-bit resource as IORESOURCE_UNSET if we only support 32-bit (Bjorn Helgaas)
   - Don't enable decoding if BAR hasn't been assigned an address (Bjorn Helgaas)
   - Add "weak" generic pcibios_enable_device() implementation (Bjorn Helgaas)
   - alpha, microblaze, sh, sparc, tile: Use default pcibios_enable_device() (Bjorn Helgaas)
   - s390: Use generic pci_enable_resources() (Bjorn Helgaas)
   - Don't check resource_size() in pci_bus_alloc_resource() (Bjorn Helgaas)
   - Set type in __request_region() (Bjorn Helgaas)
   - Check all IORESOURCE_TYPE_BITS in pci_bus_alloc_from_region() (Bjorn Helgaas)
   - Change pci_bus_alloc_resource() type_mask to unsigned long (Bjorn Helgaas)
   - Log IDE resource quirk in dmesg (Bjorn Helgaas)
   - Revert "[PATCH] Insert GART region into resource map" (Bjorn Helgaas)

  PCI device hotplug
   - Make check_link_active() non-static (Rajat Jain)
   - Use link change notifications for hot-plug and removal (Rajat Jain)
   - Enable link state change notifications (Rajat Jain)
   - Don't disable the link permanently during removal (Rajat Jain)
   - Don't check adapter or latch status while disabling (Rajat Jain)
   - Disable link notification across slot reset (Rajat Jain)
   - Ensure very fast hotplug events are also processed (Rajat Jain)
   - Add hotplug_lock to serialize hotplug events (Rajat Jain)
   - Remove a non-existent card, regardless of "surprise" capability (Rajat Jain)
   - Don't turn slot off when hot-added device already exists (Yijing Wang)

  MSI
   - Keep pci_enable_msi() documentation (Alexander Gordeev)
   - ahci: Fix broken single MSI fallback (Alexander Gordeev)
   - ahci, vfio: Use pci_enable_msi_range() (Alexander Gordeev)
   - Check kmalloc() return value, fix leak of name (Greg Kroah-Hartman)
   - Fix leak of msi_attrs (Greg Kroah-Hartman)
   - Fix pci_msix_vec_count() htmldocs failure (Masanari Iida)

  Virtualization
   - Device-specific ACS support (Alex Williamson)

  Freescale i.MX6
   - Wait for retraining (Marek Vasut)

  Marvell MVEBU
   - Use Device ID and revision from underlying endpoint (Andrew Lunn)
   - Fix incorrect size for PCI aperture resources (Jason Gunthorpe)
   - Call request_resource() on the apertures (Jason Gunthorpe)
   - Fix potential issue in range parsing (Jean-Jacques Hiblot)

  Renesas R-Car
   - Check platform_get_irq() return code (Ben Dooks)
   - Add error interrupt handling (Ben Dooks)
   - Fix bridge logic configuration accesses (Ben Dooks)
   - Register each instance independently (Magnus Damm)
   - Break out window size handling (Magnus Damm)
   - Make the Kconfig dependencies more generic (Magnus Damm)

  Synopsys DesignWare
   - Fix RC BAR to be single 64-bit non-prefetchable memory (Mohit Kumar)

  Miscellaneous
   - Remove unused SR-IOV VF Migration support (Bjorn Helgaas)
   - Enable INTx if BIOS left them disabled (Bjorn Helgaas)
   - Fix hex vs decimal typo in cpqhpc_probe() (Dan Carpenter)
   - Clean up par-arch object file list (Liviu Dudau)
   - Set IORESOURCE_ROM_SHADOW only for the default VGA device (Sander Eikelenboom)
   - ACPI, ARM, drm, powerpc, pcmcia, PCI: Use list_for_each_entry() for bus traversal (Yijing Wang)
   - Fix pci_bus_b() build failure (Paul Gortmaker)"

* tag 'pci-v3.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (108 commits)
  Revert "[PATCH] Insert GART region into resource map"
  PCI: Log IDE resource quirk in dmesg
  PCI: Change pci_bus_alloc_resource() type_mask to unsigned long
  PCI: Check all IORESOURCE_TYPE_BITS in pci_bus_alloc_from_region()
  resources: Set type in __request_region()
  PCI: Don't check resource_size() in pci_bus_alloc_resource()
  s390/PCI: Use generic pci_enable_resources()
  tile PCI RC: Use default pcibios_enable_device()
  sparc/PCI: Use default pcibios_enable_device() (Leon only)
  sh/PCI: Use default pcibios_enable_device()
  microblaze/PCI: Use default pcibios_enable_device()
  alpha/PCI: Use default pcibios_enable_device()
  PCI: Add "weak" generic pcibios_enable_device() implementation
  PCI: Don't enable decoding if BAR hasn't been assigned an address
  PCI: Enable INTx in pci_reenable_device() only when MSI/MSI-X not enabled
  PCI: Mark 64-bit resource as IORESOURCE_UNSET if we only support 32-bit
  PCI: Don't try to claim IORESOURCE_UNSET resources
  PCI: Check IORESOURCE_UNSET before updating BAR
  PCI: Don't clear IORESOURCE_UNSET when updating BAR
  PCI: Mark resources as IORESOURCE_UNSET if we can't assign them
  ...

Conflicts:
	arch/x86/include/asm/topology.h
	drivers/ata/ahci.c

1 files changed, 0 insertions, 119 deletions

diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 9dce7c5e2a77..de7a74782f92 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -170,97 +170,6 @@ static void virtfn_remove(struct pci_dev *dev, int id, int reset)
         pci_dev_put(dev);
 }
 
-static int sriov_migration(struct pci_dev *dev)
-{
-        u16 status;
-        struct pci_sriov *iov = dev->sriov;
-
-        if (!iov->num_VFs)
-                return 0;
-
-        if (!(iov->cap & PCI_SRIOV_CAP_VFM))
-                return 0;
-
-        pci_read_config_word(dev, iov->pos + PCI_SRIOV_STATUS, &status);
-        if (!(status & PCI_SRIOV_STATUS_VFM))
-                return 0;
-
-        schedule_work(&iov->mtask);
-
-        return 1;
-}
-
-static void sriov_migration_task(struct work_struct *work)
-{
-        int i;
-        u8 state;
-        u16 status;
-        struct pci_sriov *iov = container_of(work, struct pci_sriov, mtask);
-
-        for (i = iov->initial_VFs; i < iov->num_VFs; i++) {
-                state = readb(iov->mstate + i);
-                if (state == PCI_SRIOV_VFM_MI) {
-                        writeb(PCI_SRIOV_VFM_AV, iov->mstate + i);
-                        state = readb(iov->mstate + i);
-                        if (state == PCI_SRIOV_VFM_AV)
-                                virtfn_add(iov->self, i, 1);
-                } else if (state == PCI_SRIOV_VFM_MO) {
-                        virtfn_remove(iov->self, i, 1);
-                        writeb(PCI_SRIOV_VFM_UA, iov->mstate + i);
-                        state = readb(iov->mstate + i);
-                        if (state == PCI_SRIOV_VFM_AV)
-                                virtfn_add(iov->self, i, 0);
-                }
-        }
-
-        pci_read_config_word(iov->self, iov->pos + PCI_SRIOV_STATUS, &status);
-        status &= ~PCI_SRIOV_STATUS_VFM;
-        pci_write_config_word(iov->self, iov->pos + PCI_SRIOV_STATUS, status);
-}
-
-static int sriov_enable_migration(struct pci_dev *dev, int nr_virtfn)
-{
-        int bir;
-        u32 table;
-        resource_size_t pa;
-        struct pci_sriov *iov = dev->sriov;
-
-        if (nr_virtfn <= iov->initial_VFs)
-                return 0;
-
-        pci_read_config_dword(dev, iov->pos + PCI_SRIOV_VFM, &table);
-        bir = PCI_SRIOV_VFM_BIR(table);
-        if (bir > PCI_STD_RESOURCE_END)
-                return -EIO;
-
-        table = PCI_SRIOV_VFM_OFFSET(table);
-        if (table + nr_virtfn > pci_resource_len(dev, bir))
-                return -EIO;
-
-        pa = pci_resource_start(dev, bir) + table;
-        iov->mstate = ioremap(pa, nr_virtfn);
-        if (!iov->mstate)
-                return -ENOMEM;
-
-        INIT_WORK(&iov->mtask, sriov_migration_task);
-
-        iov->ctrl |= PCI_SRIOV_CTRL_VFM | PCI_SRIOV_CTRL_INTR;
-        pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
-
-        return 0;
-}
-
-static void sriov_disable_migration(struct pci_dev *dev)
-{
-        struct pci_sriov *iov = dev->sriov;
-
-        iov->ctrl &= ~(PCI_SRIOV_CTRL_VFM | PCI_SRIOV_CTRL_INTR);
-        pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
-
-        cancel_work_sync(&iov->mtask);
-        iounmap(iov->mstate);
-}
-
 static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 {
         int rc;
@@ -351,12 +260,6 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
                         goto failed;
         }
 
-        if (iov->cap & PCI_SRIOV_CAP_VFM) {
-                rc = sriov_enable_migration(dev, nr_virtfn);
-                if (rc)
-                        goto failed;
-        }
-
         kobject_uevent(&dev->dev.kobj, KOBJ_CHANGE);
         iov->num_VFs = nr_virtfn;
 
@@ -387,9 +290,6 @@ static void sriov_disable(struct pci_dev *dev)
         if (!iov->num_VFs)
                 return;
 
-        if (iov->cap & PCI_SRIOV_CAP_VFM)
-                sriov_disable_migration(dev);
-
         for (i = 0; i < iov->num_VFs; i++)
                 virtfn_remove(dev, i, 0);
 
@@ -688,25 +588,6 @@ void pci_disable_sriov(struct pci_dev *dev)
 EXPORT_SYMBOL_GPL(pci_disable_sriov);
 
 /**
- * pci_sriov_migration - notify SR-IOV core of Virtual Function Migration
- * @dev: the PCI device
- *
- * Returns IRQ_HANDLED if the IRQ is handled, or IRQ_NONE if not.
- *
- * Physical Function driver is responsible to register IRQ handler using
- * VF Migration Interrupt Message Number, and call this function when the
- * interrupt is generated by the hardware.
- */
-irqreturn_t pci_sriov_migration(struct pci_dev *dev)
-{
-        if (!dev->is_physfn)
-                return IRQ_NONE;
-
-        return sriov_migration(dev) ? IRQ_HANDLED : IRQ_NONE;
-}
-EXPORT_SYMBOL_GPL(pci_sriov_migration);
-
-/**
  * pci_num_vf - return number of VFs associated with a PF device_release_driver
  * @dev: the PCI device
  *