ACPI: Drop removal_type field from struct acpi_device

The ACPI processor driver was the only user of the removal_type
field in struct acpi_device, but it doesn't use that field any more
after recent changes.  Thus, removal_type has no more users, so drop
it along with the associated data type.
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: NToshi Kani <toshi.kani@hp.com>

drivers/acpi/scan.c

@@ -1036,7 +1036,6 @@ int acpi_device_add(struct acpi_device *device,
 		printk(KERN_ERR PREFIX "Error creating sysfs interface for device %s\n",
 		       dev_name(&device->dev));
 
-	device->removal_type = ACPI_BUS_REMOVAL_NORMAL;
 	return 0;
 
  err:
@@ -2025,7 +2024,6 @@ static acpi_status acpi_bus_device_detach(acpi_handle handle, u32 lvl_not_used,
 	if (!acpi_bus_get_device(handle, &device)) {
 		struct acpi_scan_handler *dev_handler = device->handler;
 
-		device->removal_type = ACPI_BUS_REMOVAL_EJECT;
 		if (dev_handler) {
 			if (dev_handler->detach)
 				dev_handler->detach(device);

include/acpi/acpi_bus.h

@@ -63,13 +63,6 @@ acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld
 #define ACPI_BUS_FILE_ROOT	"acpi"
 extern struct proc_dir_entry *acpi_root_dir;
 
-enum acpi_bus_removal_type {
-	ACPI_BUS_REMOVAL_NORMAL = 0,
-	ACPI_BUS_REMOVAL_EJECT,
-	ACPI_BUS_REMOVAL_SUPRISE,
-	ACPI_BUS_REMOVAL_TYPE_COUNT
-};
-
 enum acpi_bus_device_type {
 	ACPI_BUS_TYPE_DEVICE = 0,
 	ACPI_BUS_TYPE_POWER,
@@ -311,7 +304,6 @@ struct acpi_device {
 	struct acpi_driver *driver;
 	void *driver_data;
 	struct device dev;
-	enum acpi_bus_removal_type removal_type;	/* indicate for different removal type */
 	u8 physical_node_count;
 	struct list_head physical_node_list;
 	struct mutex physical_node_lock;