msk_dmamem_create
error = msk_dmamem_create(sc_if->msk_if_dev, MSK_TX_RING_SZ,
error = msk_dmamem_create(sc_if->msk_if_dev, MSK_RX_RING_SZ,
static int msk_dmamem_create(device_t, bus_size_t, bus_dma_tag_t *,