Lines Matching defs:head
153 unsigned int head; /* index to head pointer (write) */
910 edge_port->txfifo.head = 0;
1152 bytesleft = fifo->size - fifo->head;
1158 memcpy(&fifo->fifo[fifo->head], data, firsthalf);
1159 usb_serial_debug_data(&port->dev, __func__, firsthalf, &fifo->fifo[fifo->head]);
1162 fifo->head += firsthalf;
1166 if (fifo->head == fifo->size)
1167 fifo->head = 0;
1173 memcpy(&fifo->fifo[fifo->head], &data[firsthalf], secondhalf);
1174 usb_serial_debug_data(&port->dev, __func__, secondhalf, &fifo->fifo[fifo->head]);
1177 fifo->head += secondhalf;