[SCSI] zfcp: remove access control tables interface

This patch removes an interface that was used to manage access control
tables within the HBA. The patch consequently removes the handling
for conditions related to those access control tables, too.

That initiator-based access control feature was only needed until the
introduction of NPIV and was withdrawn with z10 years ago.
It's time to cleanup the corresponding device driver code.

Signed-off-by: Martin Peschke <mpeschke@linux.vnet.ibm.com>
Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/s390/scsi/Makefile

@@ -2,7 +2,7 @@
 # Makefile for the S/390 specific device drivers
 #
 
-zfcp-objs := zfcp_aux.o zfcp_ccw.o zfcp_cfdc.o zfcp_dbf.o zfcp_erp.o \
+zfcp-objs := zfcp_aux.o zfcp_ccw.o zfcp_dbf.o zfcp_erp.o \
 	     zfcp_fc.o zfcp_fsf.o zfcp_qdio.o zfcp_scsi.o zfcp_sysfs.o \
 	     zfcp_unit.o
 

drivers/s390/scsi/zfcp_aux.c

@@ -140,13 +140,6 @@ static int __init zfcp_module_init(void)
 	scsi_transport_reserve_device(zfcp_scsi_transport_template,
 				      sizeof(struct zfcp_scsi_dev));
 
-
-	retval = misc_register(&zfcp_cfdc_misc);
-	if (retval) {
-		pr_err("Registering the misc device zfcp_cfdc failed\n");
-		goto out_misc;
-	}
-
 	retval = ccw_driver_register(&zfcp_ccw_driver);
 	if (retval) {
 		pr_err("The zfcp device driver could not register with "
@@ -159,8 +152,6 @@ static int __init zfcp_module_init(void)
 	return 0;
 
 out_ccw_register:
-	misc_deregister(&zfcp_cfdc_misc);
-out_misc:
 	fc_release_transport(zfcp_scsi_transport_template);
 out_transport:
 	kmem_cache_destroy(zfcp_fc_req_cache);
@@ -175,7 +166,6 @@ module_init(zfcp_module_init);
 static void __exit zfcp_module_exit(void)
 {
 	ccw_driver_unregister(&zfcp_ccw_driver);
-	misc_deregister(&zfcp_cfdc_misc);
 	fc_release_transport(zfcp_scsi_transport_template);
 	kmem_cache_destroy(zfcp_fc_req_cache);
 	kmem_cache_destroy(zfcp_fsf_qtcb_cache);

drivers/s390/scsi/zfcp_ccw.c

@@ -71,15 +71,6 @@ static struct ccw_device_id zfcp_ccw_device_id[] = {
 };
 MODULE_DEVICE_TABLE(ccw, zfcp_ccw_device_id);
 
-/**
- * zfcp_ccw_priv_sch - check if subchannel is privileged
- * @adapter: Adapter/Subchannel to check
- */
-int zfcp_ccw_priv_sch(struct zfcp_adapter *adapter)
-{
-	return adapter->ccw_device->id.dev_model == ZFCP_MODEL_PRIV;
-}
-
 /**
  * zfcp_ccw_probe - probe function of zfcp driver
  * @cdev: pointer to belonging ccw device