diff options
| author |   Florian Westphal <fw@strlen.de> | 2016-04-24 21:38:11 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-04-26 15:53:04 -0400 |
| commit | 4acff371f2e3f386422253c7fce0092a793ec1a4 (patch) | |
| tree | d5dcd86852e98a3af4af79eb9f33ecbd5546a1c6 /drivers/net/ethernet/atheros | |
| parent | atl1c: remove private tx lock (diff) | |
| download | linux-dev-4acff371f2e3f386422253c7fce0092a793ec1a4.tar.xz linux-dev-4acff371f2e3f386422253c7fce0092a793ec1a4.zip | |
atle1: remove LLTX support and TX_UNLOCKED
similar to atl1c: lock is only used in ndo_start_xmit, but we also
advertised LLTX, so remove that as well and let core stack handle
tx locking.
Allows to remove the TX_LOCKED return value from the driver.
Cc: Jay Cliburn <jcliburn@gmail.com>
Cc: Chris Snook <chris.snook@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/atheros')
| -rw-r--r-- | drivers/net/ethernet/atheros/atl1e/atl1e.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/atheros/atl1e/atl1e_main.c | 12 |
2 files changed, 1 insertions, 12 deletions
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e.h b/drivers/net/ethernet/atheros/atl1e/atl1e.h index 0212dac7e23a..632bb843aed6 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e.h +++ b/drivers/net/ethernet/atheros/atl1e/atl1e.h @@ -442,7 +442,6 @@ struct atl1e_adapter { u16 link_duplex; spinlock_t mdio_lock; - spinlock_t tx_lock; atomic_t irq_sem; struct work_struct reset_task; diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 59a03a193e83..974713b19ab6 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -648,7 +648,6 @@ static int atl1e_sw_init(struct atl1e_adapter *adapter) atomic_set(&adapter->irq_sem, 1); spin_lock_init(&adapter->mdio_lock); - spin_lock_init(&adapter->tx_lock); set_bit(__AT_DOWN, &adapter->flags); @@ -1866,7 +1865,6 @@ static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { struct atl1e_adapter *adapter = netdev_priv(netdev); - unsigned long flags; u16 tpd_req = 1; struct atl1e_tpd_desc *tpd; @@ -1880,13 +1878,10 @@ static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb, return NETDEV_TX_OK; } tpd_req = atl1e_cal_tdp_req(skb); - if (!spin_trylock_irqsave(&adapter->tx_lock, flags)) - return NETDEV_TX_LOCKED; if (atl1e_tpd_avail(adapter) < tpd_req) { /* no enough descriptor, just stop queue */ netif_stop_queue(netdev); - spin_unlock_irqrestore(&adapter->tx_lock, flags); return NETDEV_TX_BUSY; } @@ -1910,7 +1905,6 @@ static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb, /* do TSO and check sum */ if (atl1e_tso_csum(adapter, skb, tpd) != 0) { - spin_unlock_irqrestore(&adapter->tx_lock, flags); dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -1921,10 +1915,7 @@ static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb, } atl1e_tx_queue(adapter, tpd_req, tpd); - - netdev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */ out: - spin_unlock_irqrestore(&adapter->tx_lock, flags); return NETDEV_TX_OK; } @@ -2285,8 +2276,7 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev) netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO | NETIF_F_HW_VLAN_CTAG_RX; - netdev->features = netdev->hw_features | NETIF_F_LLTX | - NETIF_F_HW_VLAN_CTAG_TX; + netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_CTAG_TX; /* not enabled by default */ netdev->hw_features |= NETIF_F_RXALL | NETIF_F_RXFCS; return 0; |