1 files changed, 17 insertions, 1 deletions

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index f485107ddc43..ca59ee9cc651 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -246,7 +246,6 @@ struct acpi_device_perf {
 /* Wakeup Management */
 struct acpi_device_wakeup_flags {
         u8 valid:1;             /* Can successfully enable wakeup? */
-        u8 prepared:1;          /* Has the wake-up capability been enabled? */
         u8 run_wake:1;          /* Run-Wake GPE devices */
 };
 
@@ -261,6 +260,7 @@ struct acpi_device_wakeup {
         struct acpi_handle_list resources;
         struct acpi_device_wakeup_state state;
         struct acpi_device_wakeup_flags flags;
+        int prepare_count;
 };
 
 /* Device */
@@ -367,10 +367,26 @@ int register_acpi_bus_type(struct acpi_bus_type *);
 int unregister_acpi_bus_type(struct acpi_bus_type *);
 struct device *acpi_get_physical_device(acpi_handle);
 
+struct acpi_pci_root {
+        struct list_head node;
+        struct acpi_device * device;
+        struct acpi_pci_id id;
+        struct pci_bus *bus;
+        u16 segment;
+        u8 bus_nr;
+
+        u32 osc_support_set;    /* _OSC state of support bits */
+        u32 osc_control_set;    /* _OSC state of control bits */
+        u32 osc_control_qry;    /* the latest _OSC query result */
+
+        u32 osc_queried:1;      /* has _OSC control been queried? */
+};
+
 /* helper */
 acpi_handle acpi_get_child(acpi_handle, acpi_integer);
 int acpi_is_root_bridge(acpi_handle);
 acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int);
+struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle);
 #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle))
 
 #ifdef CONFIG_PM_SLEEP