282 	unsigned		tx_tail;  member
411 	while (priv->tx_head - priv->tx_tail > 0) {  in _sc92031_tx_clear()
412 		priv->tx_tail++;  in _sc92031_tx_clear()
415 	priv->tx_head = priv->tx_tail = 0;  in _sc92031_tx_clear()
657 	old_tx_tail = priv->tx_tail;  in _sc92031_tx_tasklet()
658 	while (priv->tx_head - priv->tx_tail > 0) {  in _sc92031_tx_tasklet()
659 		entry = priv->tx_tail % NUM_TX_DESC;  in _sc92031_tx_tasklet()
665 		priv->tx_tail++;  in _sc92031_tx_tasklet()
691 	if (priv->tx_tail != old_tx_tail)  in _sc92031_tx_tasklet()
956 	BUG_ON(priv->tx_head - priv->tx_tail >= NUM_TX_DESC);  in sc92031_start_xmit()
983 	if (priv->tx_head - priv->tx_tail >= NUM_TX_DESC)  in sc92031_start_xmit()
1014 	priv->tx_head = priv->tx_tail = 0;  in sc92031_open()