ACPI: export acpi_pci_root and friends

We can simplify ACPI drivers if we can tell whether a handle is an
ACPI PCI root or not.

Reviewed-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 2 insertions, 15 deletions

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 55b5b90c2a4..31b961c2f22 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -61,20 +61,6 @@ static struct acpi_driver acpi_pci_root_driver = {
                 },
 };
 
-struct acpi_pci_root {
-        struct list_head node;
-        struct acpi_device *device;
-        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? */
-};
-
 static LIST_HEAD(acpi_pci_roots);
 
 static struct acpi_pci_driver *sub_driver;
@@ -317,7 +303,7 @@ static acpi_status acpi_pci_osc_support(struct acpi_pci_root *root, u32 flags)
         return status;
 }
 
-static struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
+struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
 {
         struct acpi_pci_root *root;
 
@@ -327,6 +313,7 @@ static struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
         }
         return NULL;
 }
+EXPORT_SYMBOL_GPL(acpi_pci_find_root);
 
 struct acpi_handle_node {
         struct list_head node;