[ACPI] export acpi_match_ids()

Signed-off-by: David Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/scan.c

@@ -161,7 +161,7 @@ acpi_bus_get_power_flags (
 	return 0;
 }
 
-static int
+int
 acpi_match_ids (
 	struct acpi_device	*device,
 	char			*ids)
@@ -312,12 +312,9 @@ acpi_bus_match (
 	struct acpi_device	*device,
 	struct acpi_driver	*driver)
 {
-	int error = 0;
-
-	error = driver->ops.match ? driver->ops.match(device, driver) : 
-			acpi_match_ids(device, driver->ids) ;
-
-	return error;
+	if (driver && driver->ops.match)
+		return driver->ops.match(device, driver);
+	return acpi_match_ids(device, driver->ids);
 }
 
 
@@ -498,9 +495,6 @@ acpi_bus_find_driver (
 
 	ACPI_FUNCTION_TRACE("acpi_bus_find_driver");
 
-	if (!device->flags.hardware_id && !device->flags.compatible_ids)
-		goto Done;
-
 	spin_lock(&acpi_device_lock);
 	list_for_each_safe(node,next,&acpi_bus_drivers) {
 		struct acpi_driver * driver = container_of(node,struct acpi_driver,node);

include/acpi/acpi_bus.h

@@ -104,7 +104,8 @@ typedef int (*acpi_op_suspend)	(struct acpi_device *device, int state);
 typedef int (*acpi_op_resume)	(struct acpi_device *device, int state);
 typedef int (*acpi_op_scan)	(struct acpi_device *device);
 typedef int (*acpi_op_bind)	(struct acpi_device *device);
-typedef int (*acpi_op_match)	(struct acpi_device *device, struct acpi_driver *driver);
+typedef int (*acpi_op_match)	(struct acpi_device *device,
+				 struct acpi_driver *driver);
 
 struct acpi_device_ops {
 	acpi_op_add		add;
@@ -324,6 +325,7 @@ int acpi_bus_receive_event (struct acpi_bus_event *event);
 int acpi_bus_register_driver (struct acpi_driver *driver);
 int acpi_bus_unregister_driver (struct acpi_driver *driver);
 
+int acpi_match_ids (struct acpi_device	*device, char	*ids);
 int acpi_create_dir(struct acpi_device *);
 void acpi_remove_dir(struct acpi_device *);