mei: drop me_client_presentation_num

me_client_presentation_num field is not used for any
particular purpose now, so it can be safely dropped.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/mei/hbm.c

@@ -126,7 +126,6 @@ static void mei_me_cl_remove_all(struct mei_device *dev)
  */
 void mei_hbm_reset(struct mei_device *dev)
 {
-	dev->me_client_presentation_num = 0;
 	dev->me_client_index = 0;
 
 	mei_me_cl_remove_all(dev);
@@ -883,7 +882,6 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr)
 		mei_hbm_me_cl_add(dev, props_res);
 
 		dev->me_client_index++;
-		dev->me_client_presentation_num++;
 
 		/* request property for the next client */
 		if (mei_hbm_prop_req(dev))

drivers/misc/mei/mei_dev.h

@@ -470,7 +470,6 @@ struct mei_device {
 	struct list_head me_clients;
 	DECLARE_BITMAP(me_clients_map, MEI_CLIENTS_MAX);
 	DECLARE_BITMAP(host_clients_map, MEI_CLIENTS_MAX);
-	unsigned long me_client_presentation_num;
 	unsigned long me_client_index;
 
 	struct mei_cl wd_cl;