41 	struct spi_device	*spi = dev_get_drvdata(dev);  in ds1302_rtc_set_time()  local
51 	status = spi_write_then_read(spi, buf, 2,  in ds1302_rtc_set_time()
70 	return spi_write_then_read(spi, buf, sizeof(buf),  in ds1302_rtc_set_time()
76 	struct spi_device	*spi = dev_get_drvdata(dev);  in ds1302_rtc_get_time()  local
84 	status = spi_write_then_read(spi, &addr, sizeof(addr),  in ds1302_rtc_get_time()
106 static int ds1302_probe(struct spi_device *spi)  in ds1302_probe()  argument
118 	if (spi->bits_per_word && (spi->bits_per_word != 8)) {  in ds1302_probe()
119 		dev_err(&spi->dev, "bad word length\n");  in ds1302_probe()
121 	} else if (spi->max_speed_hz > 2000000) {  in ds1302_probe()
122 		dev_err(&spi->dev, "speed is too high\n");  in ds1302_probe()
124 	} else if (spi->mode & SPI_CPHA) {  in ds1302_probe()
125 		dev_err(&spi->dev, "bad mode\n");  in ds1302_probe()
130 	status = spi_write_then_read(spi, &addr, sizeof(addr), buf, 1);  in ds1302_probe()
132 		dev_err(&spi->dev, "control register read error %d\n",  in ds1302_probe()
138 		status = spi_write_then_read(spi, &addr, sizeof(addr), buf, 1);  in ds1302_probe()
140 			dev_err(&spi->dev, "control register read error %d\n",  in ds1302_probe()
146 			dev_err(&spi->dev, "junk in control register\n");  in ds1302_probe()
155 		status = spi_write_then_read(spi, buf, 2, NULL, 0);  in ds1302_probe()
157 			dev_err(&spi->dev, "control register write error %d\n",  in ds1302_probe()
163 		status = spi_write_then_read(spi, &addr, sizeof(addr), buf, 1);  in ds1302_probe()
165 			dev_err(&spi->dev,  in ds1302_probe()
172 			dev_err(&spi->dev, "failed to detect chip\n");  in ds1302_probe()
177 	spi_set_drvdata(spi, spi);  in ds1302_probe()
179 	rtc = devm_rtc_device_register(&spi->dev, "ds1302",  in ds1302_probe()
183 		dev_err(&spi->dev, "error %d registering rtc\n", status);  in ds1302_probe()
190 static int ds1302_remove(struct spi_device *spi)  in ds1302_remove()  argument
192 	spi_set_drvdata(spi, NULL);  in ds1302_remove()