dbuf_depth 170 drivers/misc/mei/dma-ring.c u32 dbuf_depth; dbuf_depth 181 drivers/misc/mei/dma-ring.c dbuf_depth = dev->dr_dscr[DMA_DSCR_DEVICE].size >> 2; dbuf_depth 182 drivers/misc/mei/dma-ring.c rd_idx = READ_ONCE(ctrl->dbuf_rd_idx) & (dbuf_depth - 1); dbuf_depth 189 drivers/misc/mei/dma-ring.c if (rd_idx + slots > dbuf_depth) { dbuf_depth 190 drivers/misc/mei/dma-ring.c buf += mei_dma_copy_from(dev, buf, rd_idx, dbuf_depth - rd_idx); dbuf_depth 191 drivers/misc/mei/dma-ring.c rem = slots - (dbuf_depth - rd_idx);