bcm2835_spi_prepare_sg 778 drivers/spi/spi-bcm2835.c ret = bcm2835_spi_prepare_sg(ctlr, spi, tfr, bs, true); bcm2835_spi_prepare_sg 804 drivers/spi/spi-bcm2835.c ret = bcm2835_spi_prepare_sg(ctlr, spi, tfr, bs, false);