Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (48 commits)
  x86/PCI: Prevent mmconfig memory corruption
  ACPI: Use GPE reference counting to support shared GPEs
  x86/PCI: use host bridge _CRS info by default on 2008 and newer machines
  PCI: augment bus resource table with a list
  PCI: add pci_bus_for_each_resource(), remove direct bus->resource[] refs
  PCI: read bridge windows before filling in subtractive decode resources
  PCI: split up pci_read_bridge_bases()
  PCIe PME: use pci_pcie_cap()
  PCI PM: Run-time callbacks for PCI bus type
  PCIe PME: use pci_is_pcie()
  PCI / ACPI / PM: Platform support for PCI PME wake-up
  ACPI / ACPICA: Multiple system notify handlers per device
  ACPI / PM: Add more run-time wake-up fields
  ACPI: Use GPE reference counting to support shared GPEs
  PCI PM: Make it possible to force using INTx for PCIe PME signaling
  PCI PM: PCIe PME root port service driver
  PCI PM: Add function for checking PME status of devices
  PCI: mark is_pcie obsolete
  PCI: set PCI_PREF_RANGE_TYPE_64 in pci_bridge_check_ranges
  PCI: pciehp: second try to get big range for pcie devices
  ...

2 files changed, 44 insertions, 5 deletions

diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 91e09d3b2eb2..4c9cffcf69c7 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -222,3 +222,8 @@ config PM_RUNTIME
           and the bus type drivers of the buses the devices are on are
           responsible for the actual handling of the autosuspend requests and
           wake-up events.
+
+config PM_OPS
+        bool
+        depends on PM_SLEEP || PM_RUNTIME
+        default y
diff --git a/kernel/resource.c b/kernel/resource.c
index af96c1e4b54b..24e9e60c1459 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -188,6 +188,36 @@ static int __release_resource(struct resource *old)
         return -EINVAL;
 }
 
+static void __release_child_resources(struct resource *r)
+{
+        struct resource *tmp, *p;
+        resource_size_t size;
+
+        p = r->child;
+        r->child = NULL;
+        while (p) {
+                tmp = p;
+                p = p->sibling;
+
+                tmp->parent = NULL;
+                tmp->sibling = NULL;
+                __release_child_resources(tmp);
+
+                printk(KERN_DEBUG "release child resource %pR\n", tmp);
+                /* need to restore size, and keep flags */
+                size = resource_size(tmp);
+                tmp->start = 0;
+                tmp->end = size - 1;
+        }
+}
+
+void release_child_resources(struct resource *r)
+{
+        write_lock(&resource_lock);
+        __release_child_resources(r);
+        write_unlock(&resource_lock);
+}
+
 /**
  * request_resource - request and reserve an I/O or memory resource
  * @root: root resource descriptor
@@ -303,8 +333,10 @@ int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
 static int find_resource(struct resource *root, struct resource *new,
                          resource_size_t size, resource_size_t min,
                          resource_size_t max, resource_size_t align,
-                         void (*alignf)(void *, struct resource *,
-                                        resource_size_t, resource_size_t),
+                         resource_size_t (*alignf)(void *,
+                                                   const struct resource *,
+                                                   resource_size_t,
+                                                   resource_size_t),
                          void *alignf_data)
 {
         struct resource *this = root->child;
@@ -330,7 +362,7 @@ static int find_resource(struct resource *root, struct resource *new,
                         tmp.end = max;
                 tmp.start = ALIGN(tmp.start, align);
                 if (alignf)
-                        alignf(alignf_data, &tmp, size, align);
+                        tmp.start = alignf(alignf_data, &tmp, size, align);
                 if (tmp.start < tmp.end && tmp.end - tmp.start >= size - 1) {
                         new->start = tmp.start;
                         new->end = tmp.start + size - 1;
@@ -358,8 +390,10 @@ static int find_resource(struct resource *root, struct resource *new,
 int allocate_resource(struct resource *root, struct resource *new,
                       resource_size_t size, resource_size_t min,
                       resource_size_t max, resource_size_t align,
-                      void (*alignf)(void *, struct resource *,
-                                     resource_size_t, resource_size_t),
+                      resource_size_t (*alignf)(void *,
+                                                const struct resource *,
+                                                resource_size_t,
+                                                resource_size_t),
                       void *alignf_data)
 {
         int err;