diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-09 09:11:09 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-09 09:11:09 +0200 |
| commit | 4fcae770f3027abefd952c5d511ac6299828865a (patch) | |
| tree | 6cf64399a20f989358831a8f9b2ac2bb19628f54 /drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c | |
| parent | 2847d242a1e48ca734cee742efa0f70abf545d1e (diff) | |
| parent | 8a5776a5f49812d29fe4b2d0a2d71675c3facf3f (diff) | |
Merge 4.14-rc4 into usb-next
This merges in the USB fixes that we need here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c')
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c index 502e72b7cdcc..69131965a298 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c +++ b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c @@ -661,14 +661,18 @@ static int qtnf_pcie_data_tx(struct qtnf_bus *bus, struct sk_buff *skb) struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus); dma_addr_t txbd_paddr, skb_paddr; struct qtnf_tx_bd *txbd; + unsigned long flags; int len, i; u32 info; int ret = 0; + spin_lock_irqsave(&priv->tx0_lock, flags); + if (!qtnf_tx_queue_ready(priv)) { if (skb->dev) netif_stop_queue(skb->dev); + spin_unlock_irqrestore(&priv->tx0_lock, flags); return NETDEV_TX_BUSY; } @@ -717,8 +721,10 @@ tx_done: dev_kfree_skb_any(skb); } - qtnf_pcie_data_tx_reclaim(priv); priv->tx_done_count++; + spin_unlock_irqrestore(&priv->tx0_lock, flags); + + qtnf_pcie_data_tx_reclaim(priv); return NETDEV_TX_OK; } @@ -1247,6 +1253,7 @@ static int qtnf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) strcpy(bus->fwname, QTN_PCI_PEARL_FW_NAME); init_completion(&bus->request_firmware_complete); mutex_init(&bus->bus_lock); + spin_lock_init(&pcie_priv->tx0_lock); spin_lock_init(&pcie_priv->irq_lock); spin_lock_init(&pcie_priv->tx_reclaim_lock); |