23 	cdr->write = cdr->base;  in safexcel_init_ring_descriptors()
33 	rdr->write = rdr->base;  in safexcel_init_ring_descriptors()
48 	void *ptr = ring->write;  in safexcel_ring_next_wptr()
50 	if ((ring->write == ring->read - ring->offset) ||  in safexcel_ring_next_wptr()
51 	    (ring->read == ring->base && ring->write == ring->base_end))  in safexcel_ring_next_wptr()
54 	if (ring->write == ring->base_end)  in safexcel_ring_next_wptr()
55 		ring->write = ring->base;  in safexcel_ring_next_wptr()
57 		ring->write += ring->offset;  in safexcel_ring_next_wptr()
67 	if (ring->write == ring->read)  in safexcel_ring_next_rptr()
106 	if (ring->write == ring->read)  in safexcel_ring_rollback_wptr()
109 	if (ring->write == ring->base)  in safexcel_ring_rollback_wptr()
110 		ring->write = ring->base_end;  in safexcel_ring_rollback_wptr()
112 		ring->write -= ring->offset;  in safexcel_ring_rollback_wptr()