linux-kernel - [PATCH 2/2] igbvf: remove unused spinlock

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Message-ID: <20240920185918.616302-3-wander@redhat.com>
Date: Fri, 20 Sep 2024 15:59:17 -0300
From: Wander Lairson Costa <wander@...hat.com>
To: Tony Nguyen <anthony.l.nguyen@...el.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	intel-wired-lan@...ts.osuosl.org (moderated list:INTEL ETHERNET DRIVERS),
	netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
	linux-kernel@...r.kernel.org (open list)
Cc: Wander Lairson Costa <wander@...hat.com>
Subject: [PATCH 2/2] igbvf: remove unused spinlock

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

Signed-off-by: Wander Lairson Costa <wander@...hat.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);
-- 
2.46.1