155 	struct circ_buf		rx_ring;  member
643 	struct circ_buf *ring = &atmel_port->rx_ring;  in atmel_buffer_rx_char()
1008 	struct circ_buf *ring = &atmel_port->rx_ring;  in atmel_rx_from_dma()
1101 	ring = &atmel_port->rx_ring;  in atmel_prepare_rx_dma()
1406 	struct circ_buf *ring = &atmel_port->rx_ring;  in atmel_rx_from_ring()
2021 	atmel_port->rx_ring.head = 0;  in atmel_shutdown()
2022 	atmel_port->rx_ring.tail = 0;  in atmel_shutdown()
2397 	memset(&atmel_port->rx_ring, 0, sizeof(atmel_port->rx_ring));  in atmel_init_port()
2819 		port->rx_ring.buf = data;  in atmel_serial_probe()
2868 	kfree(port->rx_ring.buf);  in atmel_serial_probe()
2869 	port->rx_ring.buf = NULL;  in atmel_serial_probe()
2893 	kfree(atmel_port->rx_ring.buf);  in atmel_serial_remove()