net: dsa: bcm_sf2: Remove stats mutex

We no longer need a dedicated statistics mutex since we leverage
b53_common for statistics now.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/bcm_sf2.c

@@ -1062,7 +1062,6 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
 	dev_set_drvdata(&pdev->dev, priv);
 
 	spin_lock_init(&priv->indir_lock);
-	mutex_init(&priv->stats_mutex);
 	mutex_init(&priv->cfp.lock);
 	INIT_LIST_HEAD(&priv->cfp.rules_list);
 

drivers/net/dsa/bcm_sf2.h

@@ -87,9 +87,6 @@ struct bcm_sf2_priv {
 	/* Backing b53_device */
 	struct b53_device		*dev;
 
-	/* Mutex protecting access to the MIB counters */
-	struct mutex			stats_mutex;
-
 	struct bcm_sf2_hw_params	hw_params;
 
 	struct bcm_sf2_port_status	port_sts[DSA_MAX_PORTS];