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path: root/drivers/acpi/glue.c
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Diffstat (limited to 'drivers/acpi/glue.c')
-rw-r--r--drivers/acpi/glue.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 00aeb4801d7..fcb881db5b0 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -96,7 +96,7 @@ struct acpi_find_pci_root {
static acpi_status
do_root_bridge_busnr_callback(struct acpi_resource *resource, void *data)
{
- int *busnr = (int *)data;
+ unsigned long *busnr = (unsigned long *)data;
struct acpi_resource_address64 address;
if (resource->type != ACPI_RSTYPE_ADDRESS16 &&
@@ -115,13 +115,13 @@ do_root_bridge_busnr_callback(struct acpi_resource *resource, void *data)
static int get_root_bridge_busnr(acpi_handle handle)
{
acpi_status status;
- int bus, bbn;
+ unsigned long bus, bbn;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
status = acpi_evaluate_integer(handle, METHOD_NAME__BBN, NULL,
- (unsigned long *)&bbn);
+ &bbn);
if (status == AE_NOT_FOUND) {
/* Assume bus = 0 */
printk(KERN_INFO PREFIX
@@ -153,7 +153,7 @@ static int get_root_bridge_busnr(acpi_handle handle)
}
exit:
acpi_os_free(buffer.pointer);
- return bbn;
+ return (int)bbn;
}
static acpi_status
@@ -203,6 +203,7 @@ acpi_handle acpi_get_pci_rootbridge_handle(unsigned int seg, unsigned int bus)
acpi_get_devices(PCI_ROOT_HID_STRING, find_pci_rootbridge, &find, NULL);
return find.handle;
}
+EXPORT_SYMBOL_GPL(acpi_get_pci_rootbridge_handle);
/* Get device's handler per its address under its parent */
struct acpi_find_child {