s390/dasd: remove unused pm related functions

The power-management related functions are unused since the
'commit 394216275c7d ("s390: remove broken hibernate / power management
support")'. Remove them from dasd drivers.

Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

1 files changed, 0 insertions, 94 deletions

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index ad44d22e8859..758ee4153ac1 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -5716,95 +5716,6 @@ static void dasd_eckd_dump_sense(struct dasd_device *device,
 	}
 }
 
-static int dasd_eckd_pm_freeze(struct dasd_device *device)
-{
-	/*
-	 * the device should be disconnected from our LCU structure
-	 * on restore we will reconnect it and reread LCU specific
-	 * information like PAV support that might have changed
-	 */
-	dasd_alias_remove_device(device);
-	dasd_alias_disconnect_device_from_lcu(device);
-
-	return 0;
-}
-
-static int dasd_eckd_restore_device(struct dasd_device *device)
-{
-	struct dasd_eckd_private *private = device->private;
-	struct dasd_eckd_characteristics temp_rdc_data;
-	int rc;
-	struct dasd_uid temp_uid;
-	unsigned long flags;
-	unsigned long cqr_flags = 0;
-
-	/* Read Configuration Data */
-	rc = dasd_eckd_read_conf(device);
-	if (rc) {
-		DBF_EVENT_DEVID(DBF_WARNING, device->cdev,
-				"Read configuration data failed, rc=%d", rc);
-		goto out_err;
-	}
-
-	dasd_eckd_get_uid(device, &temp_uid);
-	/* Generate device unique id */
-	rc = dasd_eckd_generate_uid(device);
-	spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
-	if (memcmp(&private->uid, &temp_uid, sizeof(struct dasd_uid)) != 0)
-		dev_err(&device->cdev->dev, "The UID of the DASD has "
-			"changed\n");
-	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
-	if (rc)
-		goto out_err;
-
-	/* register lcu with alias handling, enable PAV if this is a new lcu */
-	rc = dasd_alias_make_device_known_to_lcu(device);
-	if (rc)
-		goto out_err;
-
-	set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr_flags);
-	dasd_eckd_validate_server(device, cqr_flags);
-
-	/* RE-Read Configuration Data */
-	rc = dasd_eckd_read_conf(device);
-	if (rc) {
-		DBF_EVENT_DEVID(DBF_WARNING, device->cdev,
-			"Read configuration data failed, rc=%d", rc);
-		goto out_err2;
-	}
-
-	/* Read Feature Codes */
-	dasd_eckd_read_features(device);
-
-	/* Read Volume Information */
-	dasd_eckd_read_vol_info(device);
-
-	/* Read Extent Pool Information */
-	dasd_eckd_read_ext_pool_info(device);
-
-	/* Read Device Characteristics */
-	rc = dasd_generic_read_dev_chars(device, DASD_ECKD_MAGIC,
-					 &temp_rdc_data, 64);
-	if (rc) {
-		DBF_EVENT_DEVID(DBF_WARNING, device->cdev,
-				"Read device characteristic failed, rc=%d", rc);
-		goto out_err2;
-	}
-	spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
-	memcpy(&private->rdc_data, &temp_rdc_data, sizeof(temp_rdc_data));
-	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
-
-	/* add device to alias management */
-	dasd_alias_add_device(device);
-
-	return 0;
-
-out_err2:
-	dasd_alias_disconnect_device_from_lcu(device);
-out_err:
-	return -1;
-}
-
 static int dasd_eckd_reload_device(struct dasd_device *device)
 {
 	struct dasd_eckd_private *private = device->private;
@@ -6668,9 +6579,6 @@ static struct ccw_driver dasd_eckd_driver = {
 	.notify      = dasd_generic_notify,
 	.path_event  = dasd_generic_path_event,
 	.shutdown    = dasd_generic_shutdown,
-	.freeze      = dasd_generic_pm_freeze,
-	.thaw	     = dasd_generic_restore_device,
-	.restore     = dasd_generic_restore_device,
 	.uc_handler  = dasd_generic_uc_handler,
 	.int_class   = IRQIO_DAS,
 };
@@ -6702,8 +6610,6 @@ static struct dasd_discipline dasd_eckd_discipline = {
 	.dump_sense_dbf = dasd_eckd_dump_sense_dbf,
 	.fill_info = dasd_eckd_fill_info,
 	.ioctl = dasd_eckd_ioctl,
-	.freeze = dasd_eckd_pm_freeze,
-	.restore = dasd_eckd_restore_device,
 	.reload = dasd_eckd_reload_device,
 	.get_uid = dasd_eckd_get_uid,
 	.kick_validate = dasd_eckd_kick_validate_server,