Lines Matching defs:period_len
908 size_t period_len, enum dma_transfer_direction direction,
917 if (!buf_len || !period_len) {
927 if (buf_len % period_len) {
928 dev_err(chan2dev(chan), "buf_len not multiple of period_len\n");
943 ret = stm32_dma_set_xfer_param(chan, direction, &buswidth, period_len);
947 nb_data_items = period_len / buswidth;
954 if (buf_len == period_len)
962 num_periods = buf_len / period_len;
969 desc->sg_req[i].len = period_len;
978 buf_addr += period_len;