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From: John Efstathiades <john.efstathiades@pebblebay.com>
To: unlisted-recipients:; (no To-header on input)
Cc: UNGLinuxDriver@microchip.com, woojung.huh@microchip.com,
	davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org,
	linux-usb@vger.kernel.org, john.efstathiades@pebblebay.com
Subject: [PATCH net-next v2 04/10] lan78xx: Remove unused pause frame queue
Date: Tue, 24 Aug 2021 19:56:07 +0100	[thread overview]
Message-ID: <20210824185613.49545-5-john.efstathiades@pebblebay.com> (raw)
In-Reply-To: <20210824185613.49545-1-john.efstathiades@pebblebay.com>

Remove the pause frame queue from the driver. It is initialised
but not actually used.

Signed-off-by: John Efstathiades <john.efstathiades@pebblebay.com>
---
 drivers/net/usb/lan78xx.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index ccfb2d47932d..746aeeaa9d6e 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -383,7 +383,6 @@ struct lan78xx_net {
 	struct sk_buff_head	rxq;
 	struct sk_buff_head	txq;
 	struct sk_buff_head	done;
-	struct sk_buff_head	rxq_pause;
 	struct sk_buff_head	txq_pend;
 
 	struct tasklet_struct	bh;
@@ -2710,8 +2709,6 @@ static int lan78xx_stop(struct net_device *net)
 
 	usb_kill_urb(dev->urb_intr);
 
-	skb_queue_purge(&dev->rxq_pause);
-
 	/* deferred work (task, timer, softirq) must also stop.
 	 * can't flush_scheduled_work() until we drop rtnl (later),
 	 * else workers could deadlock; so make workers a NOP.
@@ -3003,11 +3000,6 @@ static void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb)
 {
 	int status;
 
-	if (test_bit(EVENT_RX_PAUSED, &dev->flags)) {
-		skb_queue_tail(&dev->rxq_pause, skb);
-		return;
-	}
-
 	dev->net->stats.rx_packets++;
 	dev->net->stats.rx_bytes += skb->len;
 
@@ -3674,7 +3666,6 @@ static int lan78xx_probe(struct usb_interface *intf,
 	skb_queue_head_init(&dev->rxq);
 	skb_queue_head_init(&dev->txq);
 	skb_queue_head_init(&dev->done);
-	skb_queue_head_init(&dev->rxq_pause);
 	skb_queue_head_init(&dev->txq_pend);
 	mutex_init(&dev->phy_mutex);
 
-- 
2.25.1


  parent reply	other threads:[~2021-08-24 18:57 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-24 18:56 [PATCH net-next v2 00/10] LAN7800 driver improvements John Efstathiades
2021-08-24 18:56 ` [PATCH net-next v2 01/10] lan78xx: Fix white space and style issues John Efstathiades
2021-08-24 18:56 ` [PATCH net-next v2 02/10] lan78xx: Remove unused timer John Efstathiades
2021-08-24 18:56 ` [PATCH net-next v2 03/10] lan78xx: Set flow control threshold to prevent packet loss John Efstathiades
2021-08-24 18:56 ` John Efstathiades [this message]
2021-08-24 18:56 ` [PATCH net-next v2 05/10] lan78xx: Add missing return code checks John Efstathiades
2021-08-24 18:56 ` [PATCH net-next v2 06/10] lan78xx: Fix exception on link speed change John Efstathiades
2021-08-24 18:56 ` [PATCH net-next v2 07/10] lan78xx: Fix partial packet errors on suspend/resume John Efstathiades
2021-08-24 18:56 ` [PATCH net-next v2 08/10] lan78xx: Fix race conditions in suspend/resume handling John Efstathiades
2021-08-24 18:56 ` [PATCH net-next v2 09/10] lan78xx: Fix race condition in disconnect handling John Efstathiades
2021-08-24 18:56 ` [PATCH net-next v2 10/10] lan78xx: Limit number of driver warning messages John Efstathiades
2021-08-25 10:00 ` [PATCH net-next v2 00/10] LAN7800 driver improvements patchwork-bot+netdevbpf

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