138 	struct bcm2835_spidev *slv;  member
638 		bcm2835_wr(bs, BCM2835_SPI_CS, bs->slv->clear_rx_cs);  in bcm2835_spi_dma_tx_done()
670 				  struct bcm2835_spidev *slv,  in bcm2835_spi_prepare_sg()  argument
710 		bs->slv = slv;  in bcm2835_spi_prepare_sg()
768 					struct bcm2835_spidev *slv,  in bcm2835_spi_transfer_one_dma()  argument
786 		ret = bcm2835_spi_prepare_sg(ctlr, tfr, bs, slv, true);  in bcm2835_spi_transfer_one_dma()
812 		ret = bcm2835_spi_prepare_sg(ctlr, tfr, bs, slv, false);  in bcm2835_spi_transfer_one_dma()
814 		cookie = dmaengine_submit(slv->clear_rx_desc);  in bcm2835_spi_transfer_one_dma()
1053 	struct bcm2835_spidev *slv = spi_get_ctldata(spi);  in bcm2835_spi_transfer_one()  local
1056 	u32 cs = slv->prepare_cs;  in bcm2835_spi_transfer_one()
1104 		return bcm2835_spi_transfer_one_dma(ctlr, tfr, slv, cs);  in bcm2835_spi_transfer_one()
1115 	struct bcm2835_spidev *slv = spi_get_ctldata(spi);  in bcm2835_spi_prepare_message()  local
1134 	bcm2835_wr(bs, BCM2835_SPI_CS, slv->prepare_cs);  in bcm2835_spi_prepare_message()
1166 	struct bcm2835_spidev *slv = spi_get_ctldata(spi);  in bcm2835_spi_cleanup()  local
1169 	if (slv->clear_rx_desc)  in bcm2835_spi_cleanup()
1170 		dmaengine_desc_free(slv->clear_rx_desc);  in bcm2835_spi_cleanup()
1172 	if (slv->clear_rx_addr)  in bcm2835_spi_cleanup()
1174 				 slv->clear_rx_addr,  in bcm2835_spi_cleanup()
1178 	kfree(slv);  in bcm2835_spi_cleanup()
1184 				 struct bcm2835_spidev *slv)  in bcm2835_spi_setup_dma()  argument
1191 	slv->clear_rx_addr = dma_map_single(ctlr->dma_rx->device->dev,  in bcm2835_spi_setup_dma()
1192 					    &slv->clear_rx_cs,  in bcm2835_spi_setup_dma()
1195 	if (dma_mapping_error(ctlr->dma_rx->device->dev, slv->clear_rx_addr)) {  in bcm2835_spi_setup_dma()
1197 		slv->clear_rx_addr = 0;  in bcm2835_spi_setup_dma()
1201 	slv->clear_rx_desc = dmaengine_prep_dma_cyclic(ctlr->dma_rx,  in bcm2835_spi_setup_dma()
1202 						       slv->clear_rx_addr,  in bcm2835_spi_setup_dma()
1205 	if (!slv->clear_rx_desc) {  in bcm2835_spi_setup_dma()
1210 	ret = dmaengine_desc_set_reuse(slv->clear_rx_desc);  in bcm2835_spi_setup_dma()
1223 	struct bcm2835_spidev *slv = spi_get_ctldata(spi);  in bcm2835_spi_setup()  local
1228 	if (!slv) {  in bcm2835_spi_setup()
1229 		slv = kzalloc(ALIGN(sizeof(*slv), dma_get_cache_alignment()),  in bcm2835_spi_setup()
1231 		if (!slv)  in bcm2835_spi_setup()
1234 		spi_set_ctldata(spi, slv);  in bcm2835_spi_setup()
1236 		ret = bcm2835_spi_setup_dma(ctlr, spi, bs, slv);  in bcm2835_spi_setup()
1252 	slv->prepare_cs = cs;  in bcm2835_spi_setup()
1259 		slv->clear_rx_cs = cs | BCM2835_SPI_CS_TA |  in bcm2835_spi_setup()
1263 					   slv->clear_rx_addr,  in bcm2835_spi_setup()