171 					struct spi_transfer *tfr,  in bcm2835_spi_transfer_one_irq()  argument
246 				  struct spi_transfer *tfr,  in bcm2835_spi_prepare_sg()  argument
261 		nents = tfr->tx_sg.nents;  in bcm2835_spi_prepare_sg()
262 		sgl   = tfr->tx_sg.sgl;  in bcm2835_spi_prepare_sg()
268 		nents = tfr->rx_sg.nents;  in bcm2835_spi_prepare_sg()
269 		sgl   = tfr->rx_sg.sgl;  in bcm2835_spi_prepare_sg()
305 					struct spi_transfer *tfr,  in bcm2835_spi_transfer_one_dma()  argument
312 	if (bcm2835_check_sg_length(&tfr->tx_sg) ||  in bcm2835_spi_transfer_one_dma()
313 	    bcm2835_check_sg_length(&tfr->rx_sg)) {  in bcm2835_spi_transfer_one_dma()
316 		return bcm2835_spi_transfer_one_irq(master, spi, tfr, cs);  in bcm2835_spi_transfer_one_dma()
320 	ret = bcm2835_spi_prepare_sg(master, tfr, true);  in bcm2835_spi_transfer_one_dma()
331 	bcm2835_wr(bs, BCM2835_SPI_DLEN, tfr->len);  in bcm2835_spi_transfer_one_dma()
341 	ret = bcm2835_spi_prepare_sg(master, tfr, false);  in bcm2835_spi_transfer_one_dma()
358 				struct spi_transfer *tfr)  in bcm2835_spi_can_dma()  argument
365 	if (tfr->len < BCM2835_SPI_DMA_MIN_LENGTH)  in bcm2835_spi_can_dma()
374 	if (tfr->len > 65535) {  in bcm2835_spi_can_dma()
377 			      tfr->len);  in bcm2835_spi_can_dma()
382 	if ((((size_t)tfr->rx_buf & 3) == 0) &&  in bcm2835_spi_can_dma()
383 	    (((size_t)tfr->tx_buf & 3) == 0))  in bcm2835_spi_can_dma()
389 	if (((size_t)tfr->tx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) {  in bcm2835_spi_can_dma()
394 	if (((size_t)tfr->rx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) {  in bcm2835_spi_can_dma()
481 					 struct spi_transfer *tfr,  in bcm2835_spi_transfer_one_poll()  argument
518 							    tfr, cs);  in bcm2835_spi_transfer_one_poll()
530 				    struct spi_transfer *tfr)  in bcm2835_spi_transfer_one()  argument
539 	spi_hz = tfr->speed_hz;  in bcm2835_spi_transfer_one()
558 	if ((spi->mode & SPI_3WIRE) && (tfr->rx_buf))  in bcm2835_spi_transfer_one()
571 	bs->tx_buf = tfr->tx_buf;  in bcm2835_spi_transfer_one()
572 	bs->rx_buf = tfr->rx_buf;  in bcm2835_spi_transfer_one()
573 	bs->tx_len = tfr->len;  in bcm2835_spi_transfer_one()
574 	bs->rx_len = tfr->len;  in bcm2835_spi_transfer_one()
577 	xfer_time_us = (unsigned long long)tfr->len  in bcm2835_spi_transfer_one()
584 		return bcm2835_spi_transfer_one_poll(master, spi, tfr,  in bcm2835_spi_transfer_one()
588 	if (master->can_dma && bcm2835_spi_can_dma(master, spi, tfr))  in bcm2835_spi_transfer_one()
589 		return bcm2835_spi_transfer_one_dma(master, spi, tfr, cs);  in bcm2835_spi_transfer_one()
592 	return bcm2835_spi_transfer_one_irq(master, spi, tfr, cs);  in bcm2835_spi_transfer_one()