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Date:   Wed, 15 Sep 2021 13:13:06 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, andrew@...n.ch,
        jiri@...dia.com, vadimp@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 02/10] mlxsw: core: Remove mlxsw_core_is_initialized()

From: Ido Schimmel <idosch@...dia.com>

After the previous patch, the switch driver is always initialized last,
making this function redundant.

Remove it.

Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 drivers/net/ethernet/mellanox/mlxsw/core.c     | 8 --------
 drivers/net/ethernet/mellanox/mlxsw/core.h     | 1 -
 drivers/net/ethernet/mellanox/mlxsw/core_env.c | 6 ------
 3 files changed, 15 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index 44803746ded5..8c634976ca77 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -90,7 +90,6 @@ struct mlxsw_core {
 		struct devlink_health_reporter *fw_fatal;
 	} health;
 	struct mlxsw_env *env;
-	bool is_initialized; /* Denotes if core was already initialized. */
 	unsigned long driver_priv[];
 	/* driver_priv has to be always the last item */
 };
@@ -2014,7 +2013,6 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
 			goto err_driver_init;
 	}
 
-	mlxsw_core->is_initialized = true;
 	devlink_params_publish(devlink);
 
 	if (!reload)
@@ -2099,7 +2097,6 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core,
 	}
 
 	devlink_params_unpublish(devlink);
-	mlxsw_core->is_initialized = false;
 	if (mlxsw_core->driver->fini)
 		mlxsw_core->driver->fini(mlxsw_core);
 	mlxsw_env_fini(mlxsw_core->env);
@@ -2938,11 +2935,6 @@ struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core)
 	return mlxsw_core->env;
 }
 
-bool mlxsw_core_is_initialized(const struct mlxsw_core *mlxsw_core)
-{
-	return mlxsw_core->is_initialized;
-}
-
 static void mlxsw_core_buf_dump_dbg(struct mlxsw_core *mlxsw_core,
 				    const char *buf, size_t size)
 {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h
index d21981cc04ca..12023a550007 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.h
@@ -249,7 +249,6 @@ mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
 				 u8 local_port);
 bool mlxsw_core_port_is_xm(const struct mlxsw_core *mlxsw_core, u8 local_port);
 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core);
-bool mlxsw_core_is_initialized(const struct mlxsw_core *mlxsw_core);
 
 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
 bool mlxsw_core_schedule_work(struct work_struct *work);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_env.c b/drivers/net/ethernet/mellanox/mlxsw/core_env.c
index 3713c45cfa1e..27e721f96b3b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_env.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_env.c
@@ -667,12 +667,6 @@ mlxsw_env_module_overheat_counter_get(struct mlxsw_core *mlxsw_core, u8 module,
 {
 	struct mlxsw_env *mlxsw_env = mlxsw_core_env(mlxsw_core);
 
-	/* Prevent switch driver from accessing uninitialized data. */
-	if (!mlxsw_core_is_initialized(mlxsw_core)) {
-		*p_counter = 0;
-		return 0;
-	}
-
 	if (WARN_ON_ONCE(module >= mlxsw_env->module_count))
 		return -EINVAL;
 
-- 
2.31.1

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