Lines Matching defs:clear_rx_desc
119 * @clear_rx_desc: preallocated RX DMA descriptor used for TX-only transfers
152 struct dma_async_tx_descriptor *clear_rx_desc[BCM2835_SPI_NUM_CS];
806 cookie = dmaengine_submit(bs->clear_rx_desc[spi->chip_select]);
877 if (bs->clear_rx_desc[i])
878 dmaengine_desc_free(bs->clear_rx_desc[i]);
989 bs->clear_rx_desc[i] = dmaengine_prep_dma_cyclic(ctlr->dma_rx,
993 if (!bs->clear_rx_desc[i]) {
994 dev_err(dev, "cannot prepare clear_rx_desc - not using DMA mode\n");
999 ret = dmaengine_desc_set_reuse(bs->clear_rx_desc[i]);
1001 dev_err(dev, "cannot reuse clear_rx_desc - not using DMA mode\n");