52 	struct ds1390 *chip = dev_get_drvdata(dev);  in ds1390_get_reg()  local
59 	chip->txrx_buf[0] = address & 0x7f;  in ds1390_get_reg()
61 	status = spi_write_then_read(spi, chip->txrx_buf, 1, chip->txrx_buf, 1);  in ds1390_get_reg()
65 	*data = chip->txrx_buf[1];  in ds1390_get_reg()
73 	struct ds1390 *chip = dev_get_drvdata(dev);  in ds1390_read_time()  local
77 	chip->txrx_buf[0] = DS1390_REG_SECONDS;  in ds1390_read_time()
80 	status = spi_write_then_read(spi, chip->txrx_buf, 1, chip->txrx_buf, 8);  in ds1390_read_time()
86 	dt->tm_sec	= bcd2bin(chip->txrx_buf[0]);  in ds1390_read_time()
87 	dt->tm_min	= bcd2bin(chip->txrx_buf[1]);  in ds1390_read_time()
88 	dt->tm_hour	= bcd2bin(chip->txrx_buf[2]);  in ds1390_read_time()
89 	dt->tm_wday	= bcd2bin(chip->txrx_buf[3]);  in ds1390_read_time()
90 	dt->tm_mday	= bcd2bin(chip->txrx_buf[4]);  in ds1390_read_time()
92 	dt->tm_mon	= bcd2bin(chip->txrx_buf[5] & 0x7f) - 1;  in ds1390_read_time()
94 	dt->tm_year = bcd2bin(chip->txrx_buf[6]) + ((chip->txrx_buf[5] & 0x80) ? 100 : 0);  in ds1390_read_time()
102 	struct ds1390 *chip = dev_get_drvdata(dev);  in ds1390_set_time()  local
105 	chip->txrx_buf[0] = DS1390_REG_SECONDS | 0x80;  in ds1390_set_time()
106 	chip->txrx_buf[1] = bin2bcd(dt->tm_sec);  in ds1390_set_time()
107 	chip->txrx_buf[2] = bin2bcd(dt->tm_min);  in ds1390_set_time()
108 	chip->txrx_buf[3] = bin2bcd(dt->tm_hour);  in ds1390_set_time()
109 	chip->txrx_buf[4] = bin2bcd(dt->tm_wday);  in ds1390_set_time()
110 	chip->txrx_buf[5] = bin2bcd(dt->tm_mday);  in ds1390_set_time()
111 	chip->txrx_buf[6] = bin2bcd(dt->tm_mon + 1) |  in ds1390_set_time()
113 	chip->txrx_buf[7] = bin2bcd(dt->tm_year % 100);  in ds1390_set_time()
116 	return spi_write_then_read(spi, chip->txrx_buf, 8, NULL, 0);  in ds1390_set_time()
127 	struct ds1390 *chip;  in ds1390_probe()  local
134 	chip = devm_kzalloc(&spi->dev, sizeof(*chip), GFP_KERNEL);  in ds1390_probe()
135 	if (!chip)  in ds1390_probe()
138 	spi_set_drvdata(spi, chip);  in ds1390_probe()
146 	chip->rtc = devm_rtc_device_register(&spi->dev, "ds1390",  in ds1390_probe()
148 	if (IS_ERR(chip->rtc)) {  in ds1390_probe()
150 		res = PTR_ERR(chip->rtc);  in ds1390_probe()