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sunvnet: remove unused variable in maybe_tx_wakeup 

The vio_dring_state *dr variable is unused in maybe_tx_wakeup().
As the comments indicate, we call maybe_tx_wakeup() whenever we
get a STOPPED LDC message on the port. If the queue is stopped,
we want to wake it up so that we will send another START message
at the next TX and trigger the consumer to drain the dring.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Sowmini Varadhan 2017-02-13 10:56:58 -08:00 committed by David S. Miller
parent 2493b842f2
commit d4aa89cc2b
1 changed files with 1 additions and 5 deletions
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6
drivers/net/ethernet/sun/sunvnet_common.c
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@ -719,12 +719,8 @@ static void maybe_tx_wakeup(struct vnet_port *port)
txq = netdev_get_tx_queue(VNET_PORT_TO_NET_DEVICE(port),
port->q_index);
__netif_tx_lock(txq, smp_processor_id());
if (likely(netif_tx_queue_stopped(txq))) {
struct vio_dring_state *dr;
dr = &port->vio.drings[VIO_DRIVER_TX_RING];
if (likely(netif_tx_queue_stopped(txq)))
netif_tx_wake_queue(txq);
}
__netif_tx_unlock(txq);
}