From: Leon Romanovsky <leonro@nvidia.com>
Date: Thu, 21 Oct 2021 17:16:13 +0300
Subject: devlink: Delete obsolete parameters publish API
Patch-mainline: v5.16-rc1
Git-commit: 99ad92eff76491331a90d839dd6b7225cf8dd53e
References: jsc#SLE-19253

The change of devlink_register() to be last devlink command together
with delayed notification logic made the publish API to be obsolete.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/net/devlink.h |    3 --
 net/core/devlink.c    |   57 +++++++-------------------------------------------
 2 files changed, 8 insertions(+), 52 deletions(-)

--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -468,7 +468,6 @@ struct devlink_param_item {
 	const struct devlink_param *param;
 	union devlink_param_value driverinit_value;
 	bool driverinit_value_valid;
-	bool published;
 };
 
 enum devlink_param_generic_id {
@@ -1592,8 +1591,6 @@ int devlink_param_register(struct devlin
 			   const struct devlink_param *param);
 void devlink_param_unregister(struct devlink *devlink,
 			      const struct devlink_param *param);
-void devlink_params_publish(struct devlink *devlink);
-void devlink_params_unpublish(struct devlink *devlink);
 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
 				       union devlink_param_value *init_val);
 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -4600,8 +4600,6 @@ static int devlink_nl_param_fill(struct
 				return -EOPNOTSUPP;
 			param_value[i] = param_item->driverinit_value;
 		} else {
-			if (!param_item->published)
-				continue;
 			ctx.cmode = i;
 			err = devlink_param_get(devlink, param, &ctx);
 			if (err)
@@ -9076,6 +9074,7 @@ static void devlink_notify_register(stru
 {
 	struct devlink_trap_policer_item *policer_item;
 	struct devlink_trap_group_item *group_item;
+	struct devlink_param_item *param_item;
 	struct devlink_trap_item *trap_item;
 	struct devlink_port *devlink_port;
 	struct devlink_rate *rate_node;
@@ -9102,19 +9101,24 @@ static void devlink_notify_register(stru
 	list_for_each_entry(region, &devlink->region_list, list)
 		devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_NEW);
 
-	devlink_params_publish(devlink);
+	list_for_each_entry(param_item, &devlink->param_list, list)
+		devlink_param_notify(devlink, 0, param_item,
+				     DEVLINK_CMD_PARAM_NEW);
 }
 
 static void devlink_notify_unregister(struct devlink *devlink)
 {
 	struct devlink_trap_policer_item *policer_item;
 	struct devlink_trap_group_item *group_item;
+	struct devlink_param_item *param_item;
 	struct devlink_trap_item *trap_item;
 	struct devlink_port *devlink_port;
 	struct devlink_rate *rate_node;
 	struct devlink_region *region;
 
-	devlink_params_unpublish(devlink);
+	list_for_each_entry_reverse(param_item, &devlink->param_list, list)
+		devlink_param_notify(devlink, 0, param_item,
+				     DEVLINK_CMD_PARAM_DEL);
 
 	list_for_each_entry_reverse(region, &devlink->region_list, list)
 		devlink_nl_region_notify(region, NULL, DEVLINK_CMD_REGION_DEL);
@@ -10230,51 +10234,6 @@ void devlink_param_unregister(struct dev
 EXPORT_SYMBOL_GPL(devlink_param_unregister);
 
 /**
- *	devlink_params_publish - publish configuration parameters
- *
- *	@devlink: devlink
- *
- *	Publish previously registered configuration parameters.
- */
-void devlink_params_publish(struct devlink *devlink)
-{
-	struct devlink_param_item *param_item;
-
-	if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED))
-		return;
-
-	list_for_each_entry(param_item, &devlink->param_list, list) {
-		if (param_item->published)
-			continue;
-		param_item->published = true;
-		devlink_param_notify(devlink, 0, param_item,
-				     DEVLINK_CMD_PARAM_NEW);
-	}
-}
-EXPORT_SYMBOL_GPL(devlink_params_publish);
-
-/**
- *	devlink_params_unpublish - unpublish configuration parameters
- *
- *	@devlink: devlink
- *
- *	Unpublish previously registered configuration parameters.
- */
-void devlink_params_unpublish(struct devlink *devlink)
-{
-	struct devlink_param_item *param_item;
-
-	list_for_each_entry(param_item, &devlink->param_list, list) {
-		if (!param_item->published)
-			continue;
-		param_item->published = false;
-		devlink_param_notify(devlink, 0, param_item,
-				     DEVLINK_CMD_PARAM_DEL);
-	}
-}
-EXPORT_SYMBOL_GPL(devlink_params_unpublish);
-
-/**
  *	devlink_param_driverinit_value_get - get configuration parameter
  *					     value for driver initializing
  *