hsdma2dev
ring->txd = dma_alloc_coherent(hsdma2dev(hsdma), pc->sz_ring,
dma_free_coherent(hsdma2dev(hsdma),
dma_free_coherent(hsdma2dev(hsdma),
dev_err(hsdma2dev(hsdma), "cb->vd cannot be null\n");
pm_runtime_enable(hsdma2dev(hsdma));
pm_runtime_get_sync(hsdma2dev(hsdma));
pm_runtime_put_sync(hsdma2dev(hsdma));
pm_runtime_disable(hsdma2dev(hsdma));