diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index 6841d6805fd6..41ab5e34d2ac 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -245,7 +245,7 @@ static int pcf50633_probe(struct i2c_client *client, for (i = 0; i < PCF50633_NUM_REGULATORS; i++) { struct platform_device *pdev; - pdev = platform_device_alloc("pcf50633-regltr", i); + pdev = platform_device_alloc("pcf50633-regulator", i); if (!pdev) { dev_err(pcf->dev, "Cannot create regulator %d\n", i); continue; diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 63bc1bab37e3..77711d4bd377 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -257,6 +257,13 @@ config REGULATOR_LP8788 help This driver supports LP8788 voltage regulator chip. +config REGULATOR_MAX14577 + tristate "Maxim 14577 regulator" + depends on MFD_MAX14577 + help + This driver controls a Maxim 14577 regulator via I2C bus. + The regulators include safeout LDO and current regulator 'CHARGER'. + config REGULATOR_MAX1586 tristate "Maxim 1586/1587 voltage regulator" depends on I2C @@ -392,7 +399,7 @@ config REGULATOR_PCF50633 on PCF50633 config REGULATOR_PFUZE100 - tristate "Support regulators on Freescale PFUZE100 PMIC" + tristate "Freescale PFUZE100 regulator driver" depends on I2C select REGMAP_I2C help diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 3bb3a5591b95..979f9ddcf259 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_REGULATOR_LP872X) += lp872x.o obj-$(CONFIG_REGULATOR_LP8788) += lp8788-buck.o obj-$(CONFIG_REGULATOR_LP8788) += lp8788-ldo.o obj-$(CONFIG_REGULATOR_LP8755) += lp8755.o +obj-$(CONFIG_REGULATOR_MAX14577) += max14577.o obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o obj-$(CONFIG_REGULATOR_MAX8649) += max8649.o obj-$(CONFIG_REGULATOR_MAX8660) += max8660.o diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c index a53c11a529d5..846acf240e48 100644 --- a/drivers/regulator/db8500-prcmu.c +++ b/drivers/regulator/db8500-prcmu.c @@ -431,17 +431,11 @@ static int db8500_regulator_register(struct platform_device *pdev, config.of_node = np; /* register with the regulator framework */ - info->rdev = regulator_register(&info->desc, &config); + info->rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); if (IS_ERR(info->rdev)) { err = PTR_ERR(info->rdev); dev_err(&pdev->dev, "failed to register %s: err %i\n", info->desc.name, err); - - /* if failing, unregister all earlier regulators */ - while (--id >= 0) { - info = &dbx500_regulator_info[id]; - regulator_unregister(info->rdev); - } return err; } @@ -530,20 +524,8 @@ static int db8500_regulator_probe(struct platform_device *pdev) static int db8500_regulator_remove(struct platform_device *pdev) { - int i; - ux500_regulator_debug_exit(); - for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) { - struct dbx500_regulator_info *info; - info = &dbx500_regulator_info[i]; - - dev_vdbg(rdev_get_dev(info->rdev), - "regulator-%s-remove\n", info->desc.name); - - regulator_unregister(info->rdev); - } - return 0; } diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 234960dc9607..c0a1d00b78c9 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c @@ -203,17 +203,18 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np) } config->nr_states = i; + config->type = REGULATOR_VOLTAGE; ret = of_property_read_string(np, "regulator-type", ®type); - if (ret < 0) { - dev_err(dev, "Missing 'regulator-type' property\n"); - return ERR_PTR(-EINVAL); + if (ret >= 0) { + if (!strncmp("voltage", regtype, 7)) + config->type = REGULATOR_VOLTAGE; + else if (!strncmp("current", regtype, 7)) + config->type = REGULATOR_CURRENT; + else + dev_warn(dev, "Unknown regulator-type '%s'\n", + regtype); } - if (!strncmp("voltage", regtype, 7)) - config->type = REGULATOR_VOLTAGE; - else if (!strncmp("current", regtype, 7)) - config->type = REGULATOR_CURRENT; - return config; } diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c index 947c05ffe0ab..3b1102b75071 100644 --- a/drivers/regulator/lp3971.c +++ b/drivers/regulator/lp3971.c @@ -25,8 +25,6 @@ struct lp3971 { struct device *dev; struct mutex io_lock; struct i2c_client *i2c; - int num_regulators; - struct regulator_dev **rdev; }; static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg); @@ -383,42 +381,27 @@ static int setup_regulators(struct lp3971 *lp3971, { int i, err; - lp3971->num_regulators = pdata->num_regulators; - lp3971->rdev = kcalloc(pdata->num_regulators, - sizeof(struct regulator_dev *), GFP_KERNEL); - if (!lp3971->rdev) { - err = -ENOMEM; - goto err_nomem; - } - /* Instantiate the regulators */ for (i = 0; i < pdata->num_regulators; i++) { struct regulator_config config = { }; struct lp3971_regulator_subdev *reg = &pdata->regulators[i]; + struct regulator_dev *rdev; config.dev = lp3971->dev; config.init_data = reg->initdata; config.driver_data = lp3971; - lp3971->rdev[i] = regulator_register(®ulators[reg->id], - &config); - if (IS_ERR(lp3971->rdev[i])) { - err = PTR_ERR(lp3971->rdev[i]); + rdev = devm_regulator_register(lp3971->dev, + ®ulators[reg->id], &config); + if (IS_ERR(rdev)) { + err = PTR_ERR(rdev); dev_err(lp3971->dev, "regulator init failed: %d\n", err); - goto error; + return err; } } return 0; - -error: - while (--i >= 0) - regulator_unregister(lp3971->rdev[i]); - kfree(lp3971->rdev); - lp3971->rdev = NULL; -err_nomem: - return err; } static int lp3971_i2c_probe(struct i2c_client *i2c, @@ -460,19 +443,6 @@ static int lp3971_i2c_probe(struct i2c_client *i2c, return 0; } -static int lp3971_i2c_remove(struct i2c_client *i2c) -{ - struct lp3971 *lp3971 = i2c_get_clientdata(i2c); - int i; - - for (i = 0; i < lp3971->num_regulators; i++) - regulator_unregister(lp3971->rdev[i]); - - kfree(lp3971->rdev); - - return 0; -} - static const struct i2c_device_id lp3971_i2c_id[] = { { "lp3971", 0 }, { } @@ -485,7 +455,6 @@ static struct i2c_driver lp3971_i2c_driver = { .owner = THIS_MODULE, }, .probe = lp3971_i2c_probe, - .remove = lp3971_i2c_remove, .id_table = lp3971_i2c_id, }; diff --git a/drivers/regulator/lp3972.c b/drivers/regulator/lp3972.c index 093e6f44ff8a..aea485afcc1a 100644 --- a/drivers/regulator/lp3972.c +++ b/drivers/regulator/lp3972.c @@ -22,8 +22,6 @@ struct lp3972 { struct device *dev; struct mutex io_lock; struct i2c_client *i2c; - int num_regulators; - struct regulator_dev **rdev; }; /* LP3972 Control Registers */ @@ -478,41 +476,27 @@ static int setup_regulators(struct lp3972 *lp3972, { int i, err; - lp3972->num_regulators = pdata->num_regulators; - lp3972->rdev = kcalloc(pdata->num_regulators, - sizeof(struct regulator_dev *), GFP_KERNEL); - if (!lp3972->rdev) { - err = -ENOMEM; - goto err_nomem; - } - /* Instantiate the regulators */ for (i = 0; i < pdata->num_regulators; i++) { struct lp3972_regulator_subdev *reg = &pdata->regulators[i]; struct regulator_config config = { }; + struct regulator_dev *rdev; config.dev = lp3972->dev; config.init_data = reg->initdata; config.driver_data = lp3972; - lp3972->rdev[i] = regulator_register(®ulators[reg->id], - &config); - if (IS_ERR(lp3972->rdev[i])) { - err = PTR_ERR(lp3972->rdev[i]); + rdev = devm_regulator_register(lp3972->dev, + ®ulators[reg->id], &config); + if (IS_ERR(rdev)) { + err = PTR_ERR(rdev); dev_err(lp3972->dev, "regulator init failed: %d\n", err); - goto error; + return err; } } return 0; -error: - while (--i >= 0) - regulator_unregister(lp3972->rdev[i]); - kfree(lp3972->rdev); - lp3972->rdev = NULL; -err_nomem: - return err; } static int lp3972_i2c_probe(struct i2c_client *i2c, @@ -557,18 +541,6 @@ static int lp3972_i2c_probe(struct i2c_client *i2c, return 0; } -static int lp3972_i2c_remove(struct i2c_client *i2c) -{ - struct lp3972 *lp3972 = i2c_get_clientdata(i2c); - int i; - - for (i = 0; i < lp3972->num_regulators; i++) - regulator_unregister(lp3972->rdev[i]); - kfree(lp3972->rdev); - - return 0; -} - static const struct i2c_device_id lp3972_i2c_id[] = { { "lp3972", 0 }, { } @@ -581,7 +553,6 @@ static struct i2c_driver lp3972_i2c_driver = { .owner = THIS_MODULE, }, .probe = lp3972_i2c_probe, - .remove = lp3972_i2c_remove, .id_table = lp3972_i2c_id, }; diff --git a/drivers/regulator/max14577.c b/drivers/regulator/max14577.c new file mode 100644 index 000000000000..b1078ba3f393 --- /dev/null +++ b/drivers/regulator/max14577.c @@ -0,0 +1,273 @@ +/* + * max14577.c - Regulator driver for the Maxim 14577 + * + * Copyright (C) 2013 Samsung Electronics + * Krzysztof Kozlowski + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include +#include +#include + +struct max14577_regulator { + struct device *dev; + struct max14577 *max14577; + struct regulator_dev **regulators; +}; + +static int max14577_reg_is_enabled(struct regulator_dev *rdev) +{ + int rid = rdev_get_id(rdev); + struct regmap *rmap = rdev->regmap; + u8 reg_data; + + switch (rid) { + case MAX14577_CHARGER: + max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL2, ®_data); + if ((reg_data & CHGCTRL2_MBCHOSTEN_MASK) == 0) + return 0; + max14577_read_reg(rmap, MAX14577_CHG_REG_STATUS3, ®_data); + if ((reg_data & STATUS3_CGMBC_MASK) == 0) + return 0; + /* MBCHOSTEN and CGMBC are on */ + return 1; + default: + return -EINVAL; + } +} + +static int max14577_reg_get_current_limit(struct regulator_dev *rdev) +{ + u8 reg_data; + struct regmap *rmap = rdev->regmap; + + if (rdev_get_id(rdev) != MAX14577_CHARGER) + return -EINVAL; + + max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, ®_data); + + if ((reg_data & CHGCTRL4_MBCICHWRCL_MASK) == 0) + return MAX14577_REGULATOR_CURRENT_LIMIT_MIN; + + reg_data = ((reg_data & CHGCTRL4_MBCICHWRCH_MASK) >> + CHGCTRL4_MBCICHWRCH_SHIFT); + return MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START + + reg_data * MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP; +} + +static int max14577_reg_set_current_limit(struct regulator_dev *rdev, + int min_uA, int max_uA) +{ + int i, current_bits = 0xf; + u8 reg_data; + + if (rdev_get_id(rdev) != MAX14577_CHARGER) + return -EINVAL; + + if (min_uA > MAX14577_REGULATOR_CURRENT_LIMIT_MAX || + max_uA < MAX14577_REGULATOR_CURRENT_LIMIT_MIN) + return -EINVAL; + + if (max_uA < MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START) { + /* Less than 200 mA, so set 90mA (turn only Low Bit off) */ + u8 reg_data = 0x0 << CHGCTRL4_MBCICHWRCL_SHIFT; + return max14577_update_reg(rdev->regmap, + MAX14577_CHG_REG_CHG_CTRL4, + CHGCTRL4_MBCICHWRCL_MASK, reg_data); + } + + /* max_uA is in range: , so search for + * valid current starting from LIMIT_MAX. */ + for (i = MAX14577_REGULATOR_CURRENT_LIMIT_MAX; + i >= MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START; + i -= MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP) { + if (i <= max_uA) + break; + current_bits--; + } + BUG_ON(current_bits < 0); /* Cannot happen */ + /* Turn Low Bit on (use range 200mA-950 mA) */ + reg_data = 0x1 << CHGCTRL4_MBCICHWRCL_SHIFT; + /* and set proper High Bits */ + reg_data |= current_bits << CHGCTRL4_MBCICHWRCH_SHIFT; + + return max14577_update_reg(rdev->regmap, MAX14577_CHG_REG_CHG_CTRL4, + CHGCTRL4_MBCICHWRCL_MASK | CHGCTRL4_MBCICHWRCH_MASK, + reg_data); +} + +static struct regulator_ops max14577_safeout_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear, +}; + +static struct regulator_ops max14577_charger_ops = { + .is_enabled = max14577_reg_is_enabled, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .get_current_limit = max14577_reg_get_current_limit, + .set_current_limit = max14577_reg_set_current_limit, +}; + +static const struct regulator_desc supported_regulators[] = { + [MAX14577_SAFEOUT] = { + .name = "SAFEOUT", + .id = MAX14577_SAFEOUT, + .ops = &max14577_safeout_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + .n_voltages = 1, + .min_uV = MAX14577_REGULATOR_SAFEOUT_VOLTAGE, + .enable_reg = MAX14577_REG_CONTROL2, + .enable_mask = CTRL2_SFOUTORD_MASK, + }, + [MAX14577_CHARGER] = { + .name = "CHARGER", + .id = MAX14577_CHARGER, + .ops = &max14577_charger_ops, + .type = REGULATOR_CURRENT, + .owner = THIS_MODULE, + .enable_reg = MAX14577_CHG_REG_CHG_CTRL2, + .enable_mask = CHGCTRL2_MBCHOSTEN_MASK, + }, +}; + +#ifdef CONFIG_OF +static struct of_regulator_match max14577_regulator_matches[] = { + { .name = "SAFEOUT", }, + { .name = "CHARGER", }, +}; + +static int max14577_regulator_dt_parse_pdata(struct platform_device *pdev) +{ + int ret; + struct device_node *np; + + np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); + if (!np) { + dev_err(&pdev->dev, "Failed to get child OF node for regulators\n"); + return -EINVAL; + } + + ret = of_regulator_match(&pdev->dev, np, max14577_regulator_matches, + MAX14577_REG_MAX); + if (ret < 0) { + dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", ret); + return ret; + } + + return 0; +} + +static inline struct regulator_init_data *match_init_data(int index) +{ + return max14577_regulator_matches[index].init_data; +} + +static inline struct device_node *match_of_node(int index) +{ + return max14577_regulator_matches[index].of_node; +} +#else /* CONFIG_OF */ +static int max14577_regulator_dt_parse_pdata(struct platform_device *pdev) +{ + return 0; +} +static inline struct regulator_init_data *match_init_data(int index) +{ + return NULL; +} + +static inline struct device_node *match_of_node(int index) +{ + return NULL; +} +#endif /* CONFIG_OF */ + + +static int max14577_regulator_probe(struct platform_device *pdev) +{ + struct max14577 *max14577 = dev_get_drvdata(pdev->dev.parent); + struct max14577_platform_data *pdata = dev_get_platdata(max14577->dev); + int i, ret; + struct regulator_config config = {}; + + ret = max14577_regulator_dt_parse_pdata(pdev); + if (ret) + return ret; + + config.dev = &pdev->dev; + config.regmap = max14577->regmap; + + for (i = 0; i < ARRAY_SIZE(supported_regulators); i++) { + struct regulator_dev *regulator; + /* + * Index of supported_regulators[] is also the id and must + * match index of pdata->regulators[]. + */ + if (pdata && pdata->regulators) { + config.init_data = pdata->regulators[i].initdata; + config.of_node = pdata->regulators[i].of_node; + } else { + config.init_data = match_init_data(i); + config.of_node = match_of_node(i); + } + + regulator = devm_regulator_register(&pdev->dev, + &supported_regulators[i], &config); + if (IS_ERR(regulator)) { + ret = PTR_ERR(regulator); + dev_err(&pdev->dev, + "Regulator init failed for ID %d with error: %d\n", + i, ret); + return ret; + } + } + + return ret; +} + +static struct platform_driver max14577_regulator_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "max14577-regulator", + }, + .probe = max14577_regulator_probe, +}; + +static int __init max14577_regulator_init(void) +{ + BUILD_BUG_ON(MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START + + MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP * 0xf != + MAX14577_REGULATOR_CURRENT_LIMIT_MAX); + BUILD_BUG_ON(ARRAY_SIZE(supported_regulators) != MAX14577_REG_MAX); + + return platform_driver_register(&max14577_regulator_driver); +} +subsys_initcall(max14577_regulator_init); + +static void __exit max14577_regulator_exit(void) +{ + platform_driver_unregister(&max14577_regulator_driver); +} +module_exit(max14577_regulator_exit); + +MODULE_AUTHOR("Krzysztof Kozlowski "); +MODULE_DESCRIPTION("MAXIM 14577 regulator driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:max14577-regulator"); diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c index feb20bf4ccab..5fb899f461d0 100644 --- a/drivers/regulator/max77693.c +++ b/drivers/regulator/max77693.c @@ -138,6 +138,7 @@ static struct regulator_ops max77693_charger_ops = { .n_voltages = 4, \ .ops = &max77693_safeout_ops, \ .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ .volt_table = max77693_safeout_table, \ .vsel_reg = MAX77693_CHG_REG_SAFEOUT_CTRL, \ .vsel_mask = SAFEOUT_CTRL_SAFEOUT##_num##_MASK, \ diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c index 96c9f80d9550..f374fa57220f 100644 --- a/drivers/regulator/mc13892-regulator.c +++ b/drivers/regulator/mc13892-regulator.c @@ -274,25 +274,25 @@ static struct mc13xxx_regulator mc13892_regulators[] = { MC13892_SW_DEFINE(SW4, SWITCHERS3, SWITCHERS3, mc13892_sw), MC13892_FIXED_DEFINE(SWBST, SWITCHERS5, mc13892_swbst), MC13892_FIXED_DEFINE(VIOHI, REGULATORMODE0, mc13892_viohi), - MC13892_DEFINE_REGU(VPLL, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VPLL, REGULATORMODE0, REGULATORSETTING0, mc13892_vpll), - MC13892_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, mc13892_vdig), - MC13892_DEFINE_REGU(VSD, REGULATORMODE1, REGULATORSETTING1, \ + MC13892_DEFINE_REGU(VSD, REGULATORMODE1, REGULATORSETTING1, mc13892_vsd), - MC13892_DEFINE_REGU(VUSB2, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VUSB2, REGULATORMODE0, REGULATORSETTING0, mc13892_vusb2), - MC13892_DEFINE_REGU(VVIDEO, REGULATORMODE1, REGULATORSETTING1, \ + MC13892_DEFINE_REGU(VVIDEO, REGULATORMODE1, REGULATORSETTING1, mc13892_vvideo), - MC13892_DEFINE_REGU(VAUDIO, REGULATORMODE1, REGULATORSETTING1, \ + MC13892_DEFINE_REGU(VAUDIO, REGULATORMODE1, REGULATORSETTING1, mc13892_vaudio), - MC13892_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, mc13892_vcam), - MC13892_DEFINE_REGU(VGEN1, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VGEN1, REGULATORMODE0, REGULATORSETTING0, mc13892_vgen1), - MC13892_DEFINE_REGU(VGEN2, REGULATORMODE0, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VGEN2, REGULATORMODE0, REGULATORSETTING0, mc13892_vgen2), - MC13892_DEFINE_REGU(VGEN3, REGULATORMODE1, REGULATORSETTING0, \ + MC13892_DEFINE_REGU(VGEN3, REGULATORMODE1, REGULATORSETTING0, mc13892_vgen3), MC13892_FIXED_DEFINE(VUSB, USB1, mc13892_vusb), MC13892_GPO_DEFINE(GPO1, POWERMISC, mc13892_gpo), @@ -476,8 +476,8 @@ static int mc13892_sw_regulator_set_voltage_sel(struct regulator_dev *rdev, } mc13xxx_lock(priv->mc13xxx); - ret = mc13xxx_reg_rmw(priv->mc13xxx, mc13892_regulators[id].vsel_reg, mask, - reg_value); + ret = mc13xxx_reg_rmw(priv->mc13xxx, mc13892_regulators[id].vsel_reg, + mask, reg_value); mc13xxx_unlock(priv->mc13xxx); return ret; diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c index d7da1c15a6da..134f90ec9ca1 100644 --- a/drivers/regulator/pcf50633-regulator.c +++ b/drivers/regulator/pcf50633-regulator.c @@ -105,7 +105,7 @@ static int pcf50633_regulator_probe(struct platform_device *pdev) static struct platform_driver pcf50633_regulator_driver = { .driver = { - .name = "pcf50633-regltr", + .name = "pcf50633-regulator", }, .probe = pcf50633_regulator_probe, }; diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c index c31e0485de25..ab174f20ca11 100644 --- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -309,14 +309,17 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip) return ret; switch (value & 0x0f) { - /* Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 as ID=8 */ - case 0x8: - dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8"); - case 0x0: - break; - default: - dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); - return -ENODEV; + /* + * Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 + * as ID=8 + */ + case 0x8: + dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8"); + case 0x0: + break; + default: + dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); + return -ENODEV; } ret = regmap_read(pfuze_chip->regmap, PFUZE100_REVID, &value); @@ -408,31 +411,18 @@ static int pfuze100_regulator_probe(struct i2c_client *client, config.driver_data = pfuze_chip; config.of_node = match_of_node(i); - pfuze_chip->regulators[i] = regulator_register(desc, &config); + pfuze_chip->regulators[i] = + devm_regulator_register(&client->dev, desc, &config); if (IS_ERR(pfuze_chip->regulators[i])) { dev_err(&client->dev, "register regulator%s failed\n", pfuze100_regulators[i].desc.name); - ret = PTR_ERR(pfuze_chip->regulators[i]); - while (--i >= 0) - regulator_unregister(pfuze_chip->regulators[i]); - return ret; + return PTR_ERR(pfuze_chip->regulators[i]); } } return 0; } -static int pfuze100_regulator_remove(struct i2c_client *client) -{ - int i; - struct pfuze_chip *pfuze_chip = i2c_get_clientdata(client); - - for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) - regulator_unregister(pfuze_chip->regulators[i]); - - return 0; -} - static struct i2c_driver pfuze_driver = { .id_table = pfuze_device_id, .driver = { @@ -441,7 +431,6 @@ static struct i2c_driver pfuze_driver = { .of_match_table = pfuze_dt_ids, }, .probe = pfuze100_regulator_probe, - .remove = pfuze100_regulator_remove, }; module_i2c_driver(pfuze_driver);