greybus: greybus_protocols: rename NULL DME selector index

Add NULL suffix to the don't-care DME selector index.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/greybus_protocols.h

@@ -889,7 +889,7 @@ struct gb_svc_dme_peer_set_response {
 } __packed;
 
 /* Attributes for peer get/set operations */
-#define DME_ATTR_SELECTOR_INDEX			0
+#define DME_ATTR_SELECTOR_INDEX_NULL		0
 /* FIXME: remove ES2 support and DME_ATTR_T_TST_SRC_INCREMENT */
 #define DME_ATTR_T_TST_SRC_INCREMENT		0x4083
 #define DME_ATTR_ES3_INIT_STATUS		0x6101

drivers/staging/greybus/interface.c

@@ -103,7 +103,7 @@ static int gb_interface_read_and_clear_init_status(struct gb_interface *intf)
 		attr = DME_ATTR_ES3_INIT_STATUS;
 
 	ret = gb_svc_dme_peer_get(hd->svc, intf->interface_id, attr,
-				  DME_ATTR_SELECTOR_INDEX, &value);
+				  DME_ATTR_SELECTOR_INDEX_NULL, &value);
 	if (ret)
 		return ret;
 
@@ -144,7 +144,7 @@ static int gb_interface_read_and_clear_init_status(struct gb_interface *intf)
 
 	/* Clear the init status. */
 	return gb_svc_dme_peer_set(hd->svc, intf->interface_id, attr,
-				   DME_ATTR_SELECTOR_INDEX, 0);
+				   DME_ATTR_SELECTOR_INDEX_NULL, 0);
 }
 
 /* interface sysfs attributes */