netdev - [PATCH net-next v2 13/14] igbvf: remove unused spinlock

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Message-ID: <20241113185431.1289708-14-anthony.l.nguyen@intel.com>
Date: Wed, 13 Nov 2024 10:54:28 -0800
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	andrew+netdev@...n.ch,
	netdev@...r.kernel.org
Cc: Wander Lairson Costa <wander@...hat.com>,
	anthony.l.nguyen@...el.com,
	przemyslaw.kitszel@...el.com,
	Paul Menzel <pmenzel@...gen.mpg.de>
Subject: [PATCH net-next v2 13/14] igbvf: remove unused spinlock

From: Wander Lairson Costa <wander@...hat.com>

tx_queue_lock and stats_lock are declared and initialized, but never
used. Remove them.

Signed-off-by: Wander Lairson Costa <wander@...hat.com>
Reviewed-by: Paul Menzel <pmenzel@...gen.mpg.de>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/igbvf/igbvf.h  | 3 ---
 drivers/net/ethernet/intel/igbvf/netdev.c | 3 ---
 2 files changed, 6 deletions(-)

diff --git a/drivers/net/ethernet/intel/igbvf/igbvf.h b/drivers/net/ethernet/intel/igbvf/igbvf.h
index 6ad35a00a287..ca6e44245a7b 100644
--- a/drivers/net/ethernet/intel/igbvf/igbvf.h
+++ b/drivers/net/ethernet/intel/igbvf/igbvf.h
@@ -169,8 +169,6 @@ struct igbvf_adapter {
 	u16 link_speed;
 	u16 link_duplex;
 
-	spinlock_t tx_queue_lock; /* prevent concurrent tail updates */
-
 	/* track device up/down/testing state */
 	unsigned long state;
 
@@ -220,7 +218,6 @@ struct igbvf_adapter {
 	/* OS defined structs */
 	struct net_device *netdev;
 	struct pci_dev *pdev;
-	spinlock_t stats_lock; /* prevent concurrent stats updates */
 
 	/* structs defined in e1000_hw.h */
 	struct e1000_hw hw;
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index 925d7286a8ee..02044aa2181b 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1656,12 +1656,9 @@ static int igbvf_sw_init(struct igbvf_adapter *adapter)
 	if (igbvf_alloc_queues(adapter))
 		return -ENOMEM;
 
-	spin_lock_init(&adapter->tx_queue_lock);
-
 	/* Explicitly disable IRQ since the NIC can be in any state. */
 	igbvf_irq_disable(adapter);
 
-	spin_lock_init(&adapter->stats_lock);
 	spin_lock_init(&adapter->hw.mbx_lock);
 
 	set_bit(__IGBVF_DOWN, &adapter->state);
-- 
2.42.0