169 struct ds1307 {  struct
195 	u8			(*do_trickle_setup)(struct ds1307 *, u32,  argument
212 	struct ds1307	*ds1307 = dev_get_drvdata(dev);  in ds1307_get_time()  local
214 	const struct chip_desc *chip = &chips[ds1307->type];  in ds1307_get_time()
217 	if (ds1307->type == rx_8130) {  in ds1307_get_time()
219 		ret = regmap_read(ds1307->regmap, RX8130_REG_FLAG, &regflag);  in ds1307_get_time()
232 	ret = regmap_bulk_read(ds1307->regmap, chip->offset, regs,  in ds1307_get_time()
242 	if (ds1307->type == m41t0 &&  in ds1307_get_time()
249 	switch (ds1307->type) {  in ds1307_get_time()
262 		ret = regmap_read(ds1307->regmap, DS1307_REG_CONTROL, &tmp);  in ds1307_get_time()
272 		ret = regmap_read(ds1307->regmap, DS1340_REG_FLAG, &tmp);  in ds1307_get_time()
279 		ret = regmap_read(ds1307->regmap, DS1388_REG_FLAG, &tmp);  in ds1307_get_time()
319 	struct ds1307	*ds1307 = dev_get_drvdata(dev);  in ds1307_set_time()  local
320 	const struct chip_desc *chip = &chips[ds1307->type];  in ds1307_set_time()
358 	switch (ds1307->type) {  in ds1307_set_time()
361 		regmap_update_bits(ds1307->regmap, DS1307_REG_CONTROL,  in ds1307_set_time()
365 		regmap_update_bits(ds1307->regmap, DS1340_REG_FLAG,  in ds1307_set_time()
369 		regmap_update_bits(ds1307->regmap, DS1388_REG_FLAG,  in ds1307_set_time()
387 	result = regmap_bulk_write(ds1307->regmap, chip->offset, regs,  in ds1307_set_time()
394 	if (ds1307->type == rx_8130) {  in ds1307_set_time()
396 		result = regmap_write(ds1307->regmap, RX8130_REG_FLAG,  in ds1307_set_time()
409 	struct ds1307		*ds1307 = dev_get_drvdata(dev);  in ds1337_read_alarm()  local
413 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in ds1337_read_alarm()
417 	ret = regmap_bulk_read(ds1307->regmap, DS1339_REG_ALARM1_SECS,  in ds1337_read_alarm()
451 	struct ds1307		*ds1307 = dev_get_drvdata(dev);  in ds1337_set_alarm()  local
456 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in ds1337_set_alarm()
466 	ret = regmap_bulk_read(ds1307->regmap, DS1339_REG_ALARM1_SECS, regs,  in ds1337_set_alarm()
493 	ret = regmap_bulk_write(ds1307->regmap, DS1339_REG_ALARM1_SECS, regs,  in ds1337_set_alarm()
504 		regmap_write(ds1307->regmap, DS1337_REG_CONTROL, regs[7]);  in ds1337_set_alarm()
512 	struct ds1307		*ds1307 = dev_get_drvdata(dev);  in ds1307_alarm_irq_enable()  local
514 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in ds1307_alarm_irq_enable()
517 	return regmap_update_bits(ds1307->regmap, DS1337_REG_CONTROL,  in ds1307_alarm_irq_enable()
522 static u8 do_trickle_setup_ds1339(struct ds1307 *ds1307, u32 ohms, bool diode)  in do_trickle_setup_ds1339()  argument
540 		dev_warn(ds1307->dev,  in do_trickle_setup_ds1339()
547 static u8 do_trickle_setup_rx8130(struct ds1307 *ds1307, u32 ohms, bool diode)  in do_trickle_setup_rx8130()  argument
559 	struct ds1307           *ds1307 = dev_id;  in rx8130_irq()  local
560 	struct mutex            *lock = &ds1307->rtc->ops_lock;  in rx8130_irq()
567 	ret = regmap_bulk_read(ds1307->regmap, RX8130_REG_EXTENSION, ctl,  in rx8130_irq()
576 	ret = regmap_bulk_write(ds1307->regmap, RX8130_REG_EXTENSION, ctl,  in rx8130_irq()
581 	rtc_update_irq(ds1307->rtc, 1, RTC_AF | RTC_IRQF);  in rx8130_irq()
591 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in rx8130_read_alarm()  local
595 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in rx8130_read_alarm()
599 	ret = regmap_bulk_read(ds1307->regmap, RX8130_REG_ALARM_MIN, ald,  in rx8130_read_alarm()
605 	ret = regmap_bulk_read(ds1307->regmap, RX8130_REG_EXTENSION, ctl,  in rx8130_read_alarm()
633 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in rx8130_set_alarm()  local
637 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in rx8130_set_alarm()
647 	ret = regmap_bulk_read(ds1307->regmap, RX8130_REG_EXTENSION, ctl,  in rx8130_set_alarm()
656 	ret = regmap_bulk_write(ds1307->regmap, RX8130_REG_EXTENSION, ctl,  in rx8130_set_alarm()
666 	ret = regmap_bulk_write(ds1307->regmap, RX8130_REG_ALARM_MIN, ald,  in rx8130_set_alarm()
676 	return regmap_write(ds1307->regmap, RX8130_REG_CONTROL0, ctl[2]);  in rx8130_set_alarm()
681 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in rx8130_alarm_irq_enable()  local
684 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in rx8130_alarm_irq_enable()
687 	ret = regmap_read(ds1307->regmap, RX8130_REG_CONTROL0, &reg);  in rx8130_alarm_irq_enable()
696 	return regmap_write(ds1307->regmap, RX8130_REG_CONTROL0, reg);  in rx8130_alarm_irq_enable()
701 	struct ds1307           *ds1307 = dev_id;  in mcp794xx_irq()  local
702 	struct mutex            *lock = &ds1307->rtc->ops_lock;  in mcp794xx_irq()
708 	ret = regmap_read(ds1307->regmap, MCP794XX_REG_ALARM0_CTRL, &reg);  in mcp794xx_irq()
714 	ret = regmap_write(ds1307->regmap, MCP794XX_REG_ALARM0_CTRL, reg);  in mcp794xx_irq()
719 	ret = regmap_update_bits(ds1307->regmap, MCP794XX_REG_CONTROL,  in mcp794xx_irq()
724 	rtc_update_irq(ds1307->rtc, 1, RTC_AF | RTC_IRQF);  in mcp794xx_irq()
734 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in mcp794xx_read_alarm()  local
738 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in mcp794xx_read_alarm()
742 	ret = regmap_bulk_read(ds1307->regmap, MCP794XX_REG_CONTROL, regs,  in mcp794xx_read_alarm()
792 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in mcp794xx_set_alarm()  local
796 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in mcp794xx_set_alarm()
810 	ret = regmap_bulk_read(ds1307->regmap, MCP794XX_REG_CONTROL, regs,  in mcp794xx_set_alarm()
830 	ret = regmap_bulk_write(ds1307->regmap, MCP794XX_REG_CONTROL, regs,  in mcp794xx_set_alarm()
838 	return regmap_write(ds1307->regmap, MCP794XX_REG_CONTROL, regs[0]);  in mcp794xx_set_alarm()
843 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in mcp794xx_alarm_irq_enable()  local
845 	if (!test_bit(HAS_ALARM, &ds1307->flags))  in mcp794xx_alarm_irq_enable()
848 	return regmap_update_bits(ds1307->regmap, MCP794XX_REG_CONTROL,  in mcp794xx_alarm_irq_enable()
855 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in m41txx_rtc_read_offset()  local
859 	regmap_read(ds1307->regmap, M41TXX_REG_CONTROL, &ctrl_reg);  in m41txx_rtc_read_offset()
874 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in m41txx_rtc_set_offset()  local
889 	return regmap_update_bits(ds1307->regmap, M41TXX_REG_CONTROL,  in m41txx_rtc_set_offset()
897 	struct ds1307 *ds1307 = watchdog_get_drvdata(wdt_dev);  in ds1388_wdt_start()  local
901 	ret = regmap_update_bits(ds1307->regmap, DS1388_REG_FLAG,  in ds1388_wdt_start()
906 	ret = regmap_update_bits(ds1307->regmap, DS1388_REG_CONTROL,  in ds1388_wdt_start()
918 	ret = regmap_bulk_write(ds1307->regmap, DS1388_REG_WDOG_HUN_SECS, regs,  in ds1388_wdt_start()
923 	return regmap_update_bits(ds1307->regmap, DS1388_REG_CONTROL,  in ds1388_wdt_start()
930 	struct ds1307 *ds1307 = watchdog_get_drvdata(wdt_dev);  in ds1388_wdt_stop()  local
932 	return regmap_update_bits(ds1307->regmap, DS1388_REG_CONTROL,  in ds1388_wdt_stop()
938 	struct ds1307 *ds1307 = watchdog_get_drvdata(wdt_dev);  in ds1388_wdt_ping()  local
941 	return regmap_bulk_read(ds1307->regmap, DS1388_REG_WDOG_HUN_SECS, regs,  in ds1388_wdt_ping()
948 	struct ds1307 *ds1307 = watchdog_get_drvdata(wdt_dev);  in ds1388_wdt_set_timeout()  local
955 	return regmap_bulk_write(ds1307->regmap, DS1388_REG_WDOG_HUN_SECS, regs,  in ds1388_wdt_set_timeout()
1204 	struct ds1307		*ds1307 = dev_id;  in ds1307_irq()  local
1205 	struct mutex		*lock = &ds1307->rtc->ops_lock;  in ds1307_irq()
1209 	ret = regmap_read(ds1307->regmap, DS1337_REG_STATUS, &stat);  in ds1307_irq()
1215 		regmap_write(ds1307->regmap, DS1337_REG_STATUS, stat);  in ds1307_irq()
1217 		ret = regmap_update_bits(ds1307->regmap, DS1337_REG_CONTROL,  in ds1307_irq()
1222 		rtc_update_irq(ds1307->rtc, 1, RTC_AF | RTC_IRQF);  in ds1307_irq()
1245 	struct ds1307 *ds1307 = dev_get_drvdata(dev->parent);  in frequency_test_store()  local
1255 	regmap_update_bits(ds1307->regmap, M41TXX_REG_CONTROL, M41TXX_BIT_FT,  in frequency_test_store()
1265 	struct ds1307 *ds1307 = dev_get_drvdata(dev->parent);  in frequency_test_show()  local
1268 	regmap_read(ds1307->regmap, M41TXX_REG_CONTROL, &ctrl_reg);  in frequency_test_show()
1285 static int ds1307_add_frequency_test(struct ds1307 *ds1307)  in ds1307_add_frequency_test()  argument
1289 	switch (ds1307->type) {  in ds1307_add_frequency_test()
1293 		err = rtc_add_group(ds1307->rtc, &rtc_freq_test_attr_group);  in ds1307_add_frequency_test()
1309 	struct ds1307 *ds1307 = priv;  in ds1307_nvram_read()  local
1310 	const struct chip_desc *chip = &chips[ds1307->type];  in ds1307_nvram_read()
1312 	return regmap_bulk_read(ds1307->regmap, chip->nvram_offset + offset,  in ds1307_nvram_read()
1319 	struct ds1307 *ds1307 = priv;  in ds1307_nvram_write()  local
1320 	const struct chip_desc *chip = &chips[ds1307->type];  in ds1307_nvram_write()
1322 	return regmap_bulk_write(ds1307->regmap, chip->nvram_offset + offset,  in ds1307_nvram_write()
1328 static u8 ds1307_trickle_init(struct ds1307 *ds1307,  in ds1307_trickle_init()  argument
1337 	if (device_property_read_u32(ds1307->dev, "trickle-resistor-ohms",  in ds1307_trickle_init()
1344 	if (!device_property_read_u32(ds1307->dev, "aux-voltage-chargeable",  in ds1307_trickle_init()
1354 			dev_warn(ds1307->dev,  in ds1307_trickle_init()
1358 	} else if (device_property_read_bool(ds1307->dev,  in ds1307_trickle_init()
1363 	return chip->do_trickle_setup(ds1307, ohms, diode);  in ds1307_trickle_init()
1382 	struct ds1307 *ds1307 = dev_get_drvdata(dev);  in ds3231_hwmon_read_temp()  local
1387 	ret = regmap_bulk_read(ds1307->regmap, DS3231_REG_TEMPERATURE,  in ds3231_hwmon_read_temp()
1423 static void ds1307_hwmon_register(struct ds1307 *ds1307)  in ds1307_hwmon_register()  argument
1427 	if (ds1307->type != ds_3231)  in ds1307_hwmon_register()
1430 	dev = devm_hwmon_device_register_with_groups(ds1307->dev, ds1307->name,  in ds1307_hwmon_register()
1431 						     ds1307,  in ds1307_hwmon_register()
1434 		dev_warn(ds1307->dev, "unable to register hwmon device %ld\n",  in ds1307_hwmon_register()
1441 static void ds1307_hwmon_register(struct ds1307 *ds1307)  in ds1307_hwmon_register()  argument
1461 	container_of(clk, struct ds1307, clks[DS3231_CLK_SQW])
1463 	container_of(clk, struct ds1307, clks[DS3231_CLK_32KHZ])
1472 static int ds1337_write_control(struct ds1307 *ds1307, u8 mask, u8 value)  in ds1337_write_control()  argument
1474 	struct mutex *lock = &ds1307->rtc->ops_lock;  in ds1337_write_control()
1478 	ret = regmap_update_bits(ds1307->regmap, DS1337_REG_CONTROL,  in ds1337_write_control()
1488 	struct ds1307 *ds1307 = clk_sqw_to_ds1307(hw);  in ds3231_clk_sqw_recalc_rate()  local
1492 	ret = regmap_read(ds1307->regmap, DS1337_REG_CONTROL, &control);  in ds3231_clk_sqw_recalc_rate()
1519 	struct ds1307 *ds1307 = clk_sqw_to_ds1307(hw);  in ds3231_clk_sqw_set_rate()  local
1537 	return ds1337_write_control(ds1307, DS1337_BIT_RS1 | DS1337_BIT_RS2,  in ds3231_clk_sqw_set_rate()
1543 	struct ds1307 *ds1307 = clk_sqw_to_ds1307(hw);  in ds3231_clk_sqw_prepare()  local
1545 	return ds1337_write_control(ds1307, DS1337_BIT_INTCN, 0);  in ds3231_clk_sqw_prepare()
1550 	struct ds1307 *ds1307 = clk_sqw_to_ds1307(hw);  in ds3231_clk_sqw_unprepare()  local
1552 	ds1337_write_control(ds1307, DS1337_BIT_INTCN, DS1337_BIT_INTCN);  in ds3231_clk_sqw_unprepare()
1557 	struct ds1307 *ds1307 = clk_sqw_to_ds1307(hw);  in ds3231_clk_sqw_is_prepared()  local
1560 	ret = regmap_read(ds1307->regmap, DS1337_REG_CONTROL, &control);  in ds3231_clk_sqw_is_prepared()
1582 static int ds3231_clk_32khz_control(struct ds1307 *ds1307, bool enable)  in ds3231_clk_32khz_control()  argument
1584 	struct mutex *lock = &ds1307->rtc->ops_lock;  in ds3231_clk_32khz_control()
1588 	ret = regmap_update_bits(ds1307->regmap, DS1337_REG_STATUS,  in ds3231_clk_32khz_control()
1598 	struct ds1307 *ds1307 = clk_32khz_to_ds1307(hw);  in ds3231_clk_32khz_prepare()  local
1600 	return ds3231_clk_32khz_control(ds1307, true);  in ds3231_clk_32khz_prepare()
1605 	struct ds1307 *ds1307 = clk_32khz_to_ds1307(hw);  in ds3231_clk_32khz_unprepare()  local
1607 	ds3231_clk_32khz_control(ds1307, false);  in ds3231_clk_32khz_unprepare()
1612 	struct ds1307 *ds1307 = clk_32khz_to_ds1307(hw);  in ds3231_clk_32khz_is_prepared()  local
1615 	ret = regmap_read(ds1307->regmap, DS1337_REG_STATUS, &status);  in ds3231_clk_32khz_is_prepared()
1640 static int ds3231_clks_register(struct ds1307 *ds1307)  in ds3231_clks_register()  argument
1642 	struct device_node *node = ds1307->dev->of_node;  in ds3231_clks_register()
1646 	onecell = devm_kzalloc(ds1307->dev, sizeof(*onecell), GFP_KERNEL);  in ds3231_clks_register()
1651 	onecell->clks = devm_kcalloc(ds1307->dev, onecell->clk_num,  in ds3231_clks_register()
1663 		if (i == DS3231_CLK_SQW && test_bit(HAS_ALARM, &ds1307->flags))  in ds3231_clks_register()
1669 		ds1307->clks[i].init = &init;  in ds3231_clks_register()
1671 		onecell->clks[i] = devm_clk_register(ds1307->dev,  in ds3231_clks_register()
1672 						     &ds1307->clks[i]);  in ds3231_clks_register()
1685 static void ds1307_clks_register(struct ds1307 *ds1307)  in ds1307_clks_register()  argument
1689 	if (ds1307->type != ds_3231)  in ds1307_clks_register()
1692 	ret = ds3231_clks_register(ds1307);  in ds1307_clks_register()
1694 		dev_warn(ds1307->dev, "unable to register clock device %d\n",  in ds1307_clks_register()
1701 static void ds1307_clks_register(struct ds1307 *ds1307)  in ds1307_clks_register()  argument
1722 static void ds1307_wdt_register(struct ds1307 *ds1307)  in ds1307_wdt_register()  argument
1728 	if (ds1307->type != ds_1388)  in ds1307_wdt_register()
1731 	wdt = devm_kzalloc(ds1307->dev, sizeof(*wdt), GFP_KERNEL);  in ds1307_wdt_register()
1735 	err = regmap_read(ds1307->regmap, DS1388_REG_FLAG, &val);  in ds1307_wdt_register()
1745 	watchdog_init_timeout(wdt, 0, ds1307->dev);  in ds1307_wdt_register()
1746 	watchdog_set_drvdata(wdt, ds1307);  in ds1307_wdt_register()
1747 	devm_watchdog_register_device(ds1307->dev, wdt);  in ds1307_wdt_register()
1750 static void ds1307_wdt_register(struct ds1307 *ds1307)  in ds1307_wdt_register()  argument
1763 	struct ds1307		*ds1307;  in ds1307_probe()  local
1773 	ds1307 = devm_kzalloc(&client->dev, sizeof(struct ds1307), GFP_KERNEL);  in ds1307_probe()
1774 	if (!ds1307)  in ds1307_probe()
1777 	dev_set_drvdata(&client->dev, ds1307);  in ds1307_probe()
1778 	ds1307->dev = &client->dev;  in ds1307_probe()
1779 	ds1307->name = client->name;  in ds1307_probe()
1781 	ds1307->regmap = devm_regmap_init_i2c(client, &regmap_config);  in ds1307_probe()
1782 	if (IS_ERR(ds1307->regmap)) {  in ds1307_probe()
1783 		dev_err(ds1307->dev, "regmap allocation failed\n");  in ds1307_probe()
1784 		return PTR_ERR(ds1307->regmap);  in ds1307_probe()
1787 	i2c_set_clientdata(client, ds1307);  in ds1307_probe()
1790 		ds1307->type = (enum ds_type)  in ds1307_probe()
1792 		chip = &chips[ds1307->type];  in ds1307_probe()
1795 		ds1307->type = id->driver_data;  in ds1307_probe()
1800 					    ds1307->dev);  in ds1307_probe()
1804 		ds1307->type = acpi_id->driver_data;  in ds1307_probe()
1810 		trickle_charger_setup = ds1307_trickle_init(ds1307, chip);  in ds1307_probe()
1815 		dev_dbg(ds1307->dev,  in ds1307_probe()
1818 		regmap_write(ds1307->regmap, chip->trickle_charger_reg,  in ds1307_probe()
1836 	switch (ds1307->type) {  in ds1307_probe()
1842 		err = regmap_bulk_read(ds1307->regmap, DS1337_REG_CONTROL,  in ds1307_probe()
1845 			dev_dbg(ds1307->dev, "read error %d\n", err);  in ds1307_probe()
1864 		regmap_write(ds1307->regmap, DS1337_REG_CONTROL,  in ds1307_probe()
1869 			regmap_write(ds1307->regmap, DS1337_REG_STATUS,  in ds1307_probe()
1871 			dev_warn(ds1307->dev, "SET TIME!\n");  in ds1307_probe()
1876 		err = regmap_bulk_read(ds1307->regmap,  in ds1307_probe()
1879 			dev_dbg(ds1307->dev, "read error %d\n", err);  in ds1307_probe()
1886 			regmap_write(ds1307->regmap,  in ds1307_probe()
1889 			dev_warn(ds1307->dev,  in ds1307_probe()
1895 			regmap_write(ds1307->regmap,  in ds1307_probe()
1898 			dev_warn(ds1307->dev, "power-on detected\n");  in ds1307_probe()
1903 			regmap_write(ds1307->regmap,  in ds1307_probe()
1906 			dev_warn(ds1307->dev, "voltage drop detected\n");  in ds1307_probe()
1914 			regmap_write(ds1307->regmap,  in ds1307_probe()
1918 			err = regmap_bulk_read(ds1307->regmap,  in ds1307_probe()
1922 				dev_dbg(ds1307->dev, "read error %d\n", err);  in ds1307_probe()
1933 			regmap_write(ds1307->regmap,  in ds1307_probe()
1938 		err = regmap_read(ds1307->regmap, DS1388_REG_CONTROL, &tmp);  in ds1307_probe()
1940 			dev_dbg(ds1307->dev, "read error %d\n", err);  in ds1307_probe()
1947 			regmap_write(ds1307->regmap, DS1388_REG_CONTROL, tmp);  in ds1307_probe()
1955 	err = regmap_bulk_read(ds1307->regmap, chip->offset, regs,  in ds1307_probe()
1958 		dev_dbg(ds1307->dev, "read error %d\n", err);  in ds1307_probe()
1962 	if (ds1307->type == mcp794xx &&  in ds1307_probe()
1964 		regmap_write(ds1307->regmap, DS1307_REG_WDAY,  in ds1307_probe()
1970 	switch (ds1307->type) {  in ds1307_probe()
1995 		regmap_write(ds1307->regmap, chip->offset + DS1307_REG_HOUR,  in ds1307_probe()
2000 		device_set_wakeup_capable(ds1307->dev, true);  in ds1307_probe()
2001 		set_bit(HAS_ALARM, &ds1307->flags);  in ds1307_probe()
2004 	ds1307->rtc = devm_rtc_allocate_device(ds1307->dev);  in ds1307_probe()
2005 	if (IS_ERR(ds1307->rtc))  in ds1307_probe()
2006 		return PTR_ERR(ds1307->rtc);  in ds1307_probe()
2009 		dev_info(ds1307->dev,  in ds1307_probe()
2012 		ds1307->rtc->uie_unsupported = 1;  in ds1307_probe()
2016 		err = devm_request_threaded_irq(ds1307->dev, client->irq, NULL,  in ds1307_probe()
2019 						ds1307->name, ds1307);  in ds1307_probe()
2022 			device_set_wakeup_capable(ds1307->dev, false);  in ds1307_probe()
2023 			clear_bit(HAS_ALARM, &ds1307->flags);  in ds1307_probe()
2024 			dev_err(ds1307->dev, "unable to request IRQ!\n");  in ds1307_probe()
2026 			dev_dbg(ds1307->dev, "got IRQ %d\n", client->irq);  in ds1307_probe()
2030 	ds1307->rtc->ops = chip->rtc_ops ?: &ds13xx_rtc_ops;  in ds1307_probe()
2031 	err = ds1307_add_frequency_test(ds1307);  in ds1307_probe()
2035 	err = rtc_register_device(ds1307->rtc);  in ds1307_probe()
2047 			.priv = ds1307,  in ds1307_probe()
2050 		ds1307->rtc->nvram_old_abi = true;  in ds1307_probe()
2051 		rtc_nvmem_register(ds1307->rtc, &nvmem_cfg);  in ds1307_probe()
2054 	ds1307_hwmon_register(ds1307);  in ds1307_probe()
2055 	ds1307_clks_register(ds1307);  in ds1307_probe()
2056 	ds1307_wdt_register(ds1307);  in ds1307_probe()