51 	struct spi_device *spi = to_spi_device(dev);  in ds1390_get_reg()  local
61 	status = spi_write_then_read(spi, chip->txrx_buf, 1, chip->txrx_buf, 1);  in ds1390_get_reg()
72 	struct spi_device *spi = to_spi_device(dev);  in ds1390_read_time()  local
80 	status = spi_write_then_read(spi, chip->txrx_buf, 1, chip->txrx_buf, 8);  in ds1390_read_time()
101 	struct spi_device *spi = to_spi_device(dev);  in ds1390_set_time()  local
116 	return spi_write_then_read(spi, chip->txrx_buf, 8, NULL, 0);  in ds1390_set_time()
124 static int ds1390_probe(struct spi_device *spi)  in ds1390_probe()  argument
130 	spi->mode = SPI_MODE_3;  in ds1390_probe()
131 	spi->bits_per_word = 8;  in ds1390_probe()
132 	spi_setup(spi);  in ds1390_probe()
134 	chip = devm_kzalloc(&spi->dev, sizeof(*chip), GFP_KERNEL);  in ds1390_probe()
138 	spi_set_drvdata(spi, chip);  in ds1390_probe()
140 	res = ds1390_get_reg(&spi->dev, DS1390_REG_SECONDS, &tmp);  in ds1390_probe()
142 		dev_err(&spi->dev, "unable to read device\n");  in ds1390_probe()
146 	chip->rtc = devm_rtc_device_register(&spi->dev, "ds1390",  in ds1390_probe()
149 		dev_err(&spi->dev, "unable to register device\n");  in ds1390_probe()