175 	u32 rd_idx, rem, slots;  in mei_dma_ring_read()  local
187 	slots = mei_data2slots(len);  in mei_dma_ring_read()
193 	if (rd_idx + slots > dbuf_depth) {  in mei_dma_ring_read()
195 		rem = slots - (dbuf_depth - rd_idx);  in mei_dma_ring_read()
198 		rem = slots;  in mei_dma_ring_read()
203 	WRITE_ONCE(ctrl->dbuf_rd_idx, ctrl->dbuf_rd_idx + slots);  in mei_dma_ring_read()
252 	u32 wr_idx, rem, slots;  in mei_dma_ring_write()  local
260 	slots = mei_data2slots(len);  in mei_dma_ring_write()
262 	if (wr_idx + slots > hbuf_depth) {  in mei_dma_ring_write()
264 		rem = slots - (hbuf_depth - wr_idx);  in mei_dma_ring_write()
267 		rem = slots;  in mei_dma_ring_write()
272 	WRITE_ONCE(ctrl->hbuf_wr_idx, ctrl->hbuf_wr_idx + slots);  in mei_dma_ring_write()