net: bcmgenet: remove unused spinlock member

The spinlock cookie in bcmgenet_priv is never used, get rid of it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/genet/bcmgenet.c

@@ -2498,7 +2498,6 @@ static int bcmgenet_probe(struct platform_device *pdev)
 
 	bcmgenet_set_hw_params(priv);
 
-	spin_lock_init(&priv->lock);
 	/* Mii wait queue */
 	init_waitqueue_head(&priv->wq);
 	/* Always use RX_BUF_LENGTH (2KB) buffer for all chips */

drivers/net/ethernet/broadcom/genet/bcmgenet.h

@@ -523,7 +523,6 @@ struct bcmgenet_priv {
 	void __iomem *base;
 	enum bcmgenet_version version;
 	struct net_device *dev;
-	spinlock_t lock;
 	u32 int0_mask;
 	u32 int1_mask;