44 	struct spi_device	*spi = dev_get_drvdata(dev);  in ds1302_rtc_set_time()  local
54 	status = spi_write_then_read(spi, buf, 2,  in ds1302_rtc_set_time()
73 	return spi_write_then_read(spi, buf, sizeof(buf),  in ds1302_rtc_set_time()
79 	struct spi_device	*spi = dev_get_drvdata(dev);  in ds1302_rtc_get_time()  local
87 	status = spi_write_then_read(spi, &addr, sizeof(addr),  in ds1302_rtc_get_time()
109 static int ds1302_probe(struct spi_device *spi)  in ds1302_probe()  argument
121 	if (spi->bits_per_word && (spi->bits_per_word != 8)) {  in ds1302_probe()
122 		dev_err(&spi->dev, "bad word length\n");  in ds1302_probe()
124 	} else if (spi->max_speed_hz > 2000000) {  in ds1302_probe()
125 		dev_err(&spi->dev, "speed is too high\n");  in ds1302_probe()
127 	} else if (spi->mode & SPI_CPHA) {  in ds1302_probe()
128 		dev_err(&spi->dev, "bad mode\n");  in ds1302_probe()
133 	status = spi_write_then_read(spi, &addr, sizeof(addr), buf, 1);  in ds1302_probe()
135 		dev_err(&spi->dev, "control register read error %d\n",  in ds1302_probe()
141 		status = spi_write_then_read(spi, &addr, sizeof(addr), buf, 1);  in ds1302_probe()
143 			dev_err(&spi->dev, "control register read error %d\n",  in ds1302_probe()
149 			dev_err(&spi->dev, "junk in control register\n");  in ds1302_probe()
158 		status = spi_write_then_read(spi, buf, 2, NULL, 0);  in ds1302_probe()
160 			dev_err(&spi->dev, "control register write error %d\n",  in ds1302_probe()
166 		status = spi_write_then_read(spi, &addr, sizeof(addr), buf, 1);  in ds1302_probe()
168 			dev_err(&spi->dev,  in ds1302_probe()
175 			dev_err(&spi->dev, "failed to detect chip\n");  in ds1302_probe()
180 	spi_set_drvdata(spi, spi);  in ds1302_probe()
182 	rtc = devm_rtc_device_register(&spi->dev, "ds1302",  in ds1302_probe()
186 		dev_err(&spi->dev, "error %d registering rtc\n", status);  in ds1302_probe()
193 static int ds1302_remove(struct spi_device *spi)  in ds1302_remove()  argument
195 	spi_set_drvdata(spi, NULL);  in ds1302_remove()