Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci

Pull PCI changes (including maintainer change) from Jesse Barnes:
 "This pull has some good cleanups from Bjorn and Yinghai, as well as
  some more code from Yinghai to better handle resource re-allocation
  when enabled.

  There's also a new initcall_debug feature from Arjan which will print
  out quirk timing information to help identify slow quirks for fixing
  or refinement (Yinghai sent in a few patches to do just that once the
  new debug code landed).

  Beyond that, I'm handing off PCI maintainership to Bjorn Helgaas.
  He's been a core PCI and Linux contributor for some time now, and has
  kindly volunteered to take over.  I just don't feel I have the time
  for PCI review and work that it deserves lately (I've taken on some
  other projects), and haven't been as responsive lately as I'd like, so
  I approached Bjorn asking if he'd like to manage things.  He's going
  to give it a try, and I'm confident he'll do at least as well as I
  have in keeping the tree managed, patches flowing, and keeping things
  stable."

Fix up some fairly trivial conflicts due to other cleanups (mips device
resource fixup cleanups clashing with list handling cleanup, ppc iseries
removal clashing with pci_probe_only cleanup etc)

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (112 commits)
  PCI: Bjorn gets PCI hotplug too
  PCI: hand PCI maintenance over to Bjorn Helgaas
  unicore32/PCI: move <asm-generic/pci-bridge.h> include to asm/pci.h
  sparc/PCI: convert devtree and arch-probed bus addresses to resource
  powerpc/PCI: allow reallocation on PA Semi
  powerpc/PCI: convert devtree bus addresses to resource
  powerpc/PCI: compute I/O space bus-to-resource offset consistently
  arm/PCI: don't export pci_flags
  PCI: fix bridge I/O window bus-to-resource conversion
  x86/PCI: add spinlock held check to 'pcibios_fwaddrmap_lookup()'
  PCI / PCIe: Introduce command line option to disable ARI
  PCI: make acpihp use __pci_remove_bus_device instead
  PCI: export __pci_remove_bus_device
  PCI: Rename pci_remove_behind_bridge to pci_stop_and_remove_behind_bridge
  PCI: Rename pci_remove_bus_device to pci_stop_and_remove_bus_device
  PCI: print out PCI device info along with duration
  PCI: Move "pci reassigndev resource alignment" out of quirks.c
  PCI: Use class for quirk for usb host controller fixup
  PCI: Use class for quirk for ti816x class fixup
  PCI: Use class for quirk for intel e100 interrupt fixup
  ...

3 files changed, 12 insertions, 114 deletions

diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h
index e9834b2991d0..cb5d39794800 100644
--- a/arch/microblaze/include/asm/pci-bridge.h
+++ b/arch/microblaze/include/asm/pci-bridge.h
@@ -10,7 +10,6 @@
 #include <linux/pci.h>
 #include <linux/list.h>
 #include <linux/ioport.h>
-#include <asm-generic/pci-bridge.h>
 
 struct device_node;
 
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index 033137628e8a..a0da88bf70c5 100644
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -94,14 +94,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
  */
 #define PCI_DMA_BUS_IS_PHYS     (1)
 
-extern void pcibios_resource_to_bus(struct pci_dev *dev,
-                        struct pci_bus_region *region,
-                        struct resource *res);
-
-extern void pcibios_bus_to_resource(struct pci_dev *dev,
-                        struct resource *res,
-                        struct pci_bus_region *region);
-
 static inline struct resource *pcibios_select_root(struct pci_dev *pdev,
                         struct resource *res)
 {
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 85f2ac1230a8..d10403dadd2b 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -46,9 +46,6 @@ static int global_phb_number;		/* Global phb counter */
 /* ISA Memory physical address */
 resource_size_t isa_mem_base;
 
-/* Default PCI flags is 0 on ppc32, modified at boot on ppc64 */
-unsigned int pci_flags;
-
 static struct dma_map_ops *pci_dma_ops = &dma_direct_ops;
 
 unsigned long isa_io_base;
@@ -833,64 +830,7 @@ int pci_proc_domain(struct pci_bus *bus)
 {
         struct pci_controller *hose = pci_bus_to_host(bus);
 
-        if (!(pci_flags & PCI_ENABLE_PROC_DOMAINS))
-                return 0;
-        if (pci_flags & PCI_COMPAT_DOMAIN_0)
-                return hose->global_number != 0;
-        return 1;
-}
-
-void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
-                             struct resource *res)
-{
-        resource_size_t offset = 0, mask = (resource_size_t)-1;
-        struct pci_controller *hose = pci_bus_to_host(dev->bus);
-
-        if (!hose)
-                return;
-        if (res->flags & IORESOURCE_IO) {
-                offset = (unsigned long)hose->io_base_virt - _IO_BASE;
-                mask = 0xffffffffu;
-        } else if (res->flags & IORESOURCE_MEM)
-                offset = hose->pci_mem_offset;
-
-        region->start = (res->start - offset) & mask;
-        region->end = (res->end - offset) & mask;
-}
-EXPORT_SYMBOL(pcibios_resource_to_bus);
-
-void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
-                             struct pci_bus_region *region)
-{
-        resource_size_t offset = 0, mask = (resource_size_t)-1;
-        struct pci_controller *hose = pci_bus_to_host(dev->bus);
-
-        if (!hose)
-                return;
-        if (res->flags & IORESOURCE_IO) {
-                offset = (unsigned long)hose->io_base_virt - _IO_BASE;
-                mask = 0xffffffffu;
-        } else if (res->flags & IORESOURCE_MEM)
-                offset = hose->pci_mem_offset;
-        res->start = (region->start + offset) & mask;
-        res->end = (region->end + offset) & mask;
-}
-EXPORT_SYMBOL(pcibios_bus_to_resource);
-
-/* Fixup a bus resource into a linux resource */
-static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev)
-{
-        struct pci_controller *hose = pci_bus_to_host(dev->bus);
-        resource_size_t offset = 0, mask = (resource_size_t)-1;
-
-        if (res->flags & IORESOURCE_IO) {
-                offset = (unsigned long)hose->io_base_virt - _IO_BASE;
-                mask = 0xffffffffu;
-        } else if (res->flags & IORESOURCE_MEM)
-                offset = hose->pci_mem_offset;
-
-        res->start = (res->start + offset) & mask;
-        res->end = (res->end + offset) & mask;
+        return 0;
 }
 
 /* This header fixup will do the resource fixup for all devices as they are
@@ -910,13 +850,7 @@ static void __devinit pcibios_fixup_resources(struct pci_dev *dev)
                 struct resource *res = dev->resource + i;
                 if (!res->flags)
                         continue;
-                /* On platforms that have PCI_PROBE_ONLY set, we don't
-                 * consider 0 as an unassigned BAR value. It's technically
-                 * a valid value, but linux doesn't like it... so when we can
-                 * re-assign things, we do so, but if we can't, we keep it
-                 * around and hope for the best...
-                 */
-                if (res->start == 0 && !(pci_flags & PCI_PROBE_ONLY)) {
+                if (res->start == 0) {
                         pr_debug("PCI:%s Resource %d %016llx-%016llx [%x]" \
                                                         "is unassigned\n",
                                  pci_name(dev), i,
@@ -929,18 +863,11 @@ static void __devinit pcibios_fixup_resources(struct pci_dev *dev)
                         continue;
                 }
 
-                pr_debug("PCI:%s Resource %d %016llx-%016llx [%x] fixup...\n",
+                pr_debug("PCI:%s Resource %d %016llx-%016llx [%x]\n",
                          pci_name(dev), i,
                          (unsigned long long)res->start,\
                          (unsigned long long)res->end,
                          (unsigned int)res->flags);
-
-                fixup_resource(res, dev);
-
-                pr_debug("PCI:%s            %016llx-%016llx\n",
-                         pci_name(dev),
-                         (unsigned long long)res->start,
-                         (unsigned long long)res->end);
         }
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_resources);
@@ -959,10 +886,6 @@ static int __devinit pcibios_uninitialized_bridge_resource(struct pci_bus *bus,
         u16 command;
         int i;
 
-        /* We don't do anything if PCI_PROBE_ONLY is set */
-        if (pci_flags & PCI_PROBE_ONLY)
-                return 0;
-
         /* Job is a bit different between memory and IO */
         if (res->flags & IORESOURCE_MEM) {
                 /* If the BAR is non-0 (res != pci_mem_offset) then it's
@@ -1037,9 +960,6 @@ static void __devinit pcibios_fixup_bridge(struct pci_bus *bus)
                          (unsigned long long)res->end,
                          (unsigned int)res->flags);
 
-                /* Perform fixup */
-                fixup_resource(res, dev);
-
                 /* Try to detect uninitialized P2P bridge resources,
                  * and clear them out so they get re-assigned later
                  */
@@ -1107,9 +1027,6 @@ EXPORT_SYMBOL(pcibios_fixup_bus);
 
 static int skip_isa_ioresource_align(struct pci_dev *dev)
 {
-        if ((pci_flags & PCI_CAN_SKIP_ISA_ALIGN) &&
-            !(dev->bus->bridge_ctl & PCI_BRIDGE_CTL_ISA))
-                return 1;
         return 0;
 }
 
@@ -1236,8 +1153,6 @@ void pcibios_allocate_bus_resources(struct pci_bus *bus)
                          * and as such ensure proper re-allocation
                          * later.
                          */
-                        if (pci_flags & PCI_REASSIGN_ALL_RSRC)
-                                goto clear_resource;
                         pr = pci_find_parent_resource(bus->self, res);
                         if (pr == res) {
                                 /* this happens when the generic PCI
@@ -1422,27 +1337,19 @@ void __init pcibios_resource_survey(void)
         list_for_each_entry(b, &pci_root_buses, node)
                 pcibios_allocate_bus_resources(b);
 
-        if (!(pci_flags & PCI_REASSIGN_ALL_RSRC)) {
-                pcibios_allocate_resources(0);
-                pcibios_allocate_resources(1);
-        }
+        pcibios_allocate_resources(0);
+        pcibios_allocate_resources(1);
 
         /* Before we start assigning unassigned resource, we try to reserve
          * the low IO area and the VGA memory area if they intersect the
          * bus available resources to avoid allocating things on top of them
          */
-        if (!(pci_flags & PCI_PROBE_ONLY)) {
-                list_for_each_entry(b, &pci_root_buses, node)
-                        pcibios_reserve_legacy_regions(b);
-        }
+        list_for_each_entry(b, &pci_root_buses, node)
+                pcibios_reserve_legacy_regions(b);
 
-        /* Now, if the platform didn't decide to blindly trust the firmware,
-         * we proceed to assigning things that were left unassigned
-         */
-        if (!(pci_flags & PCI_PROBE_ONLY)) {
-                pr_debug("PCI: Assigning unassigned resources...\n");
-                pci_assign_unassigned_resources();
-        }
+        /* Now proceed to assigning things that were left unassigned */
+        pr_debug("PCI: Assigning unassigned resources...\n");
+        pci_assign_unassigned_resources();
 }
 
 #ifdef CONFIG_HOTPLUG
@@ -1535,7 +1442,7 @@ static void __devinit pcibios_setup_phb_resources(struct pci_controller *hose, s
                 res->end = res->start + IO_SPACE_LIMIT;
                 res->flags = IORESOURCE_IO;
         }
-        pci_add_resource(resources, res);
+        pci_add_resource_offset(resources, res, hose->io_base_virt - _IO_BASE);
 
         pr_debug("PCI: PHB IO resource    = %016llx-%016llx [%lx]\n",
                  (unsigned long long)res->start,
@@ -1558,7 +1465,7 @@ static void __devinit pcibios_setup_phb_resources(struct pci_controller *hose, s
                         res->flags = IORESOURCE_MEM;
 
                 }
-                pci_add_resource(resources, res);
+                pci_add_resource_offset(resources, res, hose->pci_mem_offset);
 
                 pr_debug("PCI: PHB MEM resource %d = %016llx-%016llx [%lx]\n",
                         i, (unsigned long long)res->start,