HISI_PTT_TRACE_BUF_CNT
for (i = 0; i < HISI_PTT_TRACE_BUF_CNT; i++)
hisi_ptt->trace_ctrl.buf_index = (buf_idx + 1) % HISI_PTT_TRACE_BUF_CNT;
ctrl->trace_buf = devm_kcalloc(dev, HISI_PTT_TRACE_BUF_CNT,
for (i = 0; i < HISI_PTT_TRACE_BUF_CNT; ++i) {
for (i = 0; i < HISI_PTT_TRACE_BUF_CNT; i++) {
HISI_PTT_TRACE_BUF_CNT)