if (unlikely(!tx)) {
async_tx_quiesce(&depend_tx);
- while (!tx)
+ while (!tx) {
dma_async_issue_pending(chan);
tx = device->device_prep_dma_zero_sum(chan,
dma_src, src_cnt, len, result,
dma_prep_flags);
+ }
}
async_tx_submit(chan, tx, flags, depend_tx, cb_fn, cb_param);