38 	struct spi_device *spi = to_spi_device(dev);  in ds1347_read_reg()  local
42 	return spi_write_then_read(spi, data, 1, data, 1);  in ds1347_read_reg()
48 	struct spi_device *spi = to_spi_device(dev);  in ds1347_write_reg()  local
54 	return spi_write_then_read(spi, buf, 2, NULL, 0);  in ds1347_write_reg()
59 	struct spi_device *spi = to_spi_device(dev);  in ds1347_read_time()  local
65 	err = spi_write_then_read(spi, buf, 1, buf, 8);  in ds1347_read_time()
82 	struct spi_device *spi = to_spi_device(dev);  in ds1347_set_time()  local
101 	return spi_write_then_read(spi, buf, 9, NULL, 0);  in ds1347_set_time()
109 static int ds1347_probe(struct spi_device *spi)  in ds1347_probe()  argument
116 	spi->mode = SPI_MODE_3;  in ds1347_probe()
117 	spi->bits_per_word = 8;  in ds1347_probe()
118 	spi_setup(spi);  in ds1347_probe()
121 	res = ds1347_read_reg(&spi->dev, DS1347_SECONDS_REG, &data);  in ds1347_probe()
126 	ds1347_read_reg(&spi->dev, DS1347_CONTROL_REG, &data);  in ds1347_probe()
128 	ds1347_write_reg(&spi->dev, DS1347_CONTROL_REG, data);  in ds1347_probe()
132 	ds1347_read_reg(&spi->dev, DS1347_STATUS_REG, &data);  in ds1347_probe()
134 	ds1347_write_reg(&spi->dev, DS1347_STATUS_REG, data);  in ds1347_probe()
137 	ds1347_read_reg(&spi->dev, DS1347_CONTROL_REG, &data);  in ds1347_probe()
138 	dev_info(&spi->dev, "DS1347 RTC CTRL Reg = 0x%02x\n", data);  in ds1347_probe()
140 	ds1347_read_reg(&spi->dev, DS1347_STATUS_REG, &data);  in ds1347_probe()
141 	dev_info(&spi->dev, "DS1347 RTC Status Reg = 0x%02x\n", data);  in ds1347_probe()
143 	rtc = devm_rtc_device_register(&spi->dev, "ds1347",  in ds1347_probe()
149 	spi_set_drvdata(spi, rtc);  in ds1347_probe()