diff options
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/max14577.c | 80 | ||||
-rw-r--r-- | drivers/regulator/max1586.c | 2 | ||||
-rw-r--r-- | drivers/regulator/max77686.c | 2 | ||||
-rw-r--r-- | drivers/regulator/max77693.c | 2 | ||||
-rw-r--r-- | drivers/regulator/max77802.c | 2 | ||||
-rw-r--r-- | drivers/regulator/max8660.c | 2 | ||||
-rw-r--r-- | drivers/regulator/of_regulator.c | 3 | ||||
-rw-r--r-- | drivers/regulator/rk808-regulator.c | 2 | ||||
-rw-r--r-- | drivers/regulator/s2mpa01.c | 2 |
9 files changed, 13 insertions, 84 deletions
diff --git a/drivers/regulator/max14577.c b/drivers/regulator/max14577.c index 5d9c605cf534..0ff5a20ac958 100644 --- a/drivers/regulator/max14577.c +++ b/drivers/regulator/max14577.c @@ -22,42 +22,6 @@ #include <linux/mfd/max14577-private.h> #include <linux/regulator/of_regulator.h> -/* - * Valid limits of current for max14577 and max77836 chargers. - * They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4 - * register for given chipset. - */ -struct maxim_charger_current { - /* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */ - unsigned int min; - /* - * Minimal current when high setting is active, - * set in CHGCTRL4/MBCICHWRCH, uA - */ - unsigned int high_start; - /* Value of one step in high setting, uA */ - unsigned int high_step; - /* Maximum current of high setting, uA */ - unsigned int max; -}; - -/* Table of valid charger currents for different Maxim chipsets */ -static const struct maxim_charger_current maxim_charger_currents[] = { - [MAXIM_DEVICE_TYPE_UNKNOWN] = { 0, 0, 0, 0 }, - [MAXIM_DEVICE_TYPE_MAX14577] = { - .min = MAX14577_REGULATOR_CURRENT_LIMIT_MIN, - .high_start = MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START, - .high_step = MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP, - .max = MAX14577_REGULATOR_CURRENT_LIMIT_MAX, - }, - [MAXIM_DEVICE_TYPE_MAX77836] = { - .min = MAX77836_REGULATOR_CURRENT_LIMIT_MIN, - .high_start = MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_START, - .high_step = MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_STEP, - .max = MAX77836_REGULATOR_CURRENT_LIMIT_MAX, - }, -}; - static int max14577_reg_is_enabled(struct regulator_dev *rdev) { int rid = rdev_get_id(rdev); @@ -103,8 +67,8 @@ static int max14577_reg_get_current_limit(struct regulator_dev *rdev) 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; + int ret; struct max14577 *max14577 = rdev_get_drvdata(rdev); const struct maxim_charger_current *limits = &maxim_charger_currents[max14577->dev_type]; @@ -112,35 +76,9 @@ static int max14577_reg_set_current_limit(struct regulator_dev *rdev, if (rdev_get_id(rdev) != MAX14577_CHARGER) return -EINVAL; - if (min_uA > limits->max || max_uA < limits->min) - return -EINVAL; - - if (max_uA < limits->high_start) { - /* - * Less than high_start, - * so set the minimal current (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: <high_start, inifinite>, so search for - * valid current starting from maximum current. - */ - for (i = limits->max; i >= limits->high_start; i -= limits->high_step) { - if (i <= max_uA) - break; - current_bits--; - } - BUG_ON(current_bits < 0); /* Cannot happen */ - - /* Turn Low Bit on (use range high_start-max)... */ - reg_data = 0x1 << CHGCTRL4_MBCICHWRCL_SHIFT; - /* and set proper High Bits */ - reg_data |= current_bits << CHGCTRL4_MBCICHWRCH_SHIFT; + ret = maxim_charger_calc_reg_current(limits, min_uA, max_uA, ®_data); + if (ret) + return ret; return max14577_update_reg(rdev->regmap, MAX14577_CHG_REG_CHG_CTRL4, CHGCTRL4_MBCICHWRCL_MASK | CHGCTRL4_MBCICHWRCH_MASK, @@ -442,16 +380,6 @@ static struct platform_driver max14577_regulator_driver = { static int __init max14577_regulator_init(void) { - /* Check for valid values for charger */ - BUILD_BUG_ON(MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START + - MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP * 0xf != - MAX14577_REGULATOR_CURRENT_LIMIT_MAX); - BUILD_BUG_ON(MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_START + - MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_STEP * 0xf != - MAX77836_REGULATOR_CURRENT_LIMIT_MAX); - /* Valid charger current values must be provided for each chipset */ - BUILD_BUG_ON(ARRAY_SIZE(maxim_charger_currents) != MAXIM_DEVICE_TYPE_NUM); - BUILD_BUG_ON(ARRAY_SIZE(max14577_supported_regulators) != MAX14577_REGULATOR_NUM); BUILD_BUG_ON(ARRAY_SIZE(max77836_supported_regulators) != MAX77836_REGULATOR_NUM); diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c index 86db310d5304..d2a8c64cae42 100644 --- a/drivers/regulator/max1586.c +++ b/drivers/regulator/max1586.c @@ -163,7 +163,7 @@ static int of_get_max1586_platform_data(struct device *dev, struct max1586_platform_data *pdata) { struct max1586_subdev_data *sub; - struct of_regulator_match rmatch[ARRAY_SIZE(max1586_reg)]; + struct of_regulator_match rmatch[ARRAY_SIZE(max1586_reg)] = { }; struct device_node *np = dev->of_node; int i, matched; diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c index ef1af2debbd2..f69320e1738f 100644 --- a/drivers/regulator/max77686.c +++ b/drivers/regulator/max77686.c @@ -395,7 +395,7 @@ static int max77686_pmic_dt_parse_pdata(struct platform_device *pdev, struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct device_node *pmic_np, *regulators_np; struct max77686_regulator_data *rdata; - struct of_regulator_match rmatch; + struct of_regulator_match rmatch = { }; unsigned int i; pmic_np = iodev->dev->of_node; diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c index c67ff05fc1dd..d158f71fa128 100644 --- a/drivers/regulator/max77693.c +++ b/drivers/regulator/max77693.c @@ -227,7 +227,7 @@ static int max77693_pmic_probe(struct platform_device *pdev) struct max77693_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct max77693_regulator_data *rdata = NULL; int num_rdata, i; - struct regulator_config config; + struct regulator_config config = { }; num_rdata = max77693_pmic_init_rdata(&pdev->dev, &rdata); if (!rdata || num_rdata <= 0) { diff --git a/drivers/regulator/max77802.c b/drivers/regulator/max77802.c index d89792b084e9..45fa240fe243 100644 --- a/drivers/regulator/max77802.c +++ b/drivers/regulator/max77802.c @@ -454,7 +454,7 @@ static int max77802_pmic_dt_parse_pdata(struct platform_device *pdev, struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct device_node *pmic_np, *regulators_np; struct max77686_regulator_data *rdata; - struct of_regulator_match rmatch; + struct of_regulator_match rmatch = { }; unsigned int i; pmic_np = iodev->dev->of_node; diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c index 2fc411188794..7eee2ca18541 100644 --- a/drivers/regulator/max8660.c +++ b/drivers/regulator/max8660.c @@ -335,7 +335,7 @@ static int max8660_pdata_from_dt(struct device *dev, int matched, i; struct device_node *np; struct max8660_subdev_data *sub; - struct of_regulator_match rmatch[ARRAY_SIZE(max8660_reg)]; + struct of_regulator_match rmatch[ARRAY_SIZE(max8660_reg)] = { }; np = of_get_child_by_name(dev->of_node, "regulators"); if (!np) { diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 7a51814abdc5..5a1d4afa4776 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -211,7 +211,8 @@ struct regulator_init_data *regulator_of_get_init_data(struct device *dev, search = dev->of_node; if (!search) { - dev_err(dev, "Failed to find regulator container node\n"); + dev_dbg(dev, "Failed to find regulator container node '%s'\n", + desc->regulators_node); return NULL; } diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c index e305416d7697..196a5c8838c4 100644 --- a/drivers/regulator/rk808-regulator.c +++ b/drivers/regulator/rk808-regulator.c @@ -44,7 +44,7 @@ static const int rk808_buck_config_regs[] = { }; static const struct regulator_linear_range rk808_buck_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(700000, 0, 63, 12500), + REGULATOR_LINEAR_RANGE(712500, 0, 63, 12500), }; static const struct regulator_linear_range rk808_buck4_voltage_ranges[] = { diff --git a/drivers/regulator/s2mpa01.c b/drivers/regulator/s2mpa01.c index 4acefa6b462e..7633b9bfbe6e 100644 --- a/drivers/regulator/s2mpa01.c +++ b/drivers/regulator/s2mpa01.c @@ -341,7 +341,7 @@ static int s2mpa01_pmic_probe(struct platform_device *pdev) { struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct sec_platform_data *pdata = dev_get_platdata(iodev->dev); - struct of_regulator_match rdata[S2MPA01_REGULATOR_MAX]; + struct of_regulator_match rdata[S2MPA01_REGULATOR_MAX] = { }; struct device_node *reg_np = NULL; struct regulator_config config = { }; struct s2mpa01_info *s2mpa01; |