* [PATCH 1/2] regulator: max8998: Constify regulator_ops @ 2019-04-14 12:48 Axel Lin 2019-04-14 12:48 ` [PATCH 2/2] regulator: max8998: Factor out struct voltage_map_desc Axel Lin 2019-04-15 8:53 ` Applied "regulator: max8998: Constify regulator_ops" " Mark Brown 0 siblings, 2 replies; 4+ messages in thread From: Axel Lin @ 2019-04-14 12:48 UTC (permalink / raw) To: Mark Brown Cc: Kyungmin Park, MyungJoo Ham, Lukasz Majewski, Liam Girdwood, linux-kernel, Axel Lin These regulator_ops variables never need to be modified, make them const so compiler can put them to .rodata. Signed-off-by: Axel Lin <axel.lin@ingics.com> --- drivers/regulator/max8998.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 271bb736f3f5..43b69ebd086b 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -427,7 +427,7 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, return 0; } -static struct regulator_ops max8998_ldo_ops = { +static const struct regulator_ops max8998_ldo_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .is_enabled = max8998_ldo_is_enabled, @@ -437,7 +437,7 @@ static struct regulator_ops max8998_ldo_ops = { .set_voltage_sel = max8998_set_voltage_ldo_sel, }; -static struct regulator_ops max8998_buck_ops = { +static const struct regulator_ops max8998_buck_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .is_enabled = max8998_ldo_is_enabled, @@ -448,7 +448,7 @@ static struct regulator_ops max8998_buck_ops = { .set_voltage_time_sel = max8998_set_voltage_buck_time_sel, }; -static struct regulator_ops max8998_others_ops = { +static const struct regulator_ops max8998_others_ops = { .is_enabled = max8998_ldo_is_enabled, .enable = max8998_ldo_enable, .disable = max8998_ldo_disable, -- 2.17.1 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH 2/2] regulator: max8998: Factor out struct voltage_map_desc 2019-04-14 12:48 [PATCH 1/2] regulator: max8998: Constify regulator_ops Axel Lin @ 2019-04-14 12:48 ` Axel Lin 2019-04-15 8:53 ` Applied "regulator: max8998: Factor out struct voltage_map_desc" to the regulator tree Mark Brown 2019-04-15 8:53 ` Applied "regulator: max8998: Constify regulator_ops" " Mark Brown 1 sibling, 1 reply; 4+ messages in thread From: Axel Lin @ 2019-04-14 12:48 UTC (permalink / raw) To: Mark Brown Cc: Kyungmin Park, MyungJoo Ham, Lukasz Majewski, Liam Girdwood, linux-kernel, Axel Lin The struct voltage_map_desc is used for storing min/max/step fileds, and then setup the min_uV, uV_step and n_voltages fields for regulator_desc. Introduce MAX8998_LINEAR_REG/MAX8998_OTHERS_REG macro to setup these filds directly in regulator_desc to simplify the code. Signed-off-by: Axel Lin <axel.lin@ingics.com> --- drivers/regulator/max8998.c | 294 +++++++----------------------------- 1 file changed, 56 insertions(+), 238 deletions(-) diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 43b69ebd086b..60599c3bb845 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -33,72 +33,6 @@ struct max8998_data { unsigned int buck2_idx; }; -struct voltage_map_desc { - int min; - int max; - int step; -}; - -/* Voltage maps in uV*/ -static const struct voltage_map_desc ldo23_voltage_map_desc = { - .min = 800000, .step = 50000, .max = 1300000, -}; -static const struct voltage_map_desc ldo456711_voltage_map_desc = { - .min = 1600000, .step = 100000, .max = 3600000, -}; -static const struct voltage_map_desc ldo8_voltage_map_desc = { - .min = 3000000, .step = 100000, .max = 3600000, -}; -static const struct voltage_map_desc ldo9_voltage_map_desc = { - .min = 2800000, .step = 100000, .max = 3100000, -}; -static const struct voltage_map_desc ldo10_voltage_map_desc = { - .min = 950000, .step = 50000, .max = 1300000, -}; -static const struct voltage_map_desc ldo1213_voltage_map_desc = { - .min = 800000, .step = 100000, .max = 3300000, -}; -static const struct voltage_map_desc ldo1415_voltage_map_desc = { - .min = 1200000, .step = 100000, .max = 3300000, -}; -static const struct voltage_map_desc ldo1617_voltage_map_desc = { - .min = 1600000, .step = 100000, .max = 3600000, -}; -static const struct voltage_map_desc buck12_voltage_map_desc = { - .min = 750000, .step = 25000, .max = 1525000, -}; -static const struct voltage_map_desc buck3_voltage_map_desc = { - .min = 1600000, .step = 100000, .max = 3600000, -}; -static const struct voltage_map_desc buck4_voltage_map_desc = { - .min = 800000, .step = 100000, .max = 2300000, -}; - -static const struct voltage_map_desc *ldo_voltage_map[] = { - NULL, - NULL, - &ldo23_voltage_map_desc, /* LDO2 */ - &ldo23_voltage_map_desc, /* LDO3 */ - &ldo456711_voltage_map_desc, /* LDO4 */ - &ldo456711_voltage_map_desc, /* LDO5 */ - &ldo456711_voltage_map_desc, /* LDO6 */ - &ldo456711_voltage_map_desc, /* LDO7 */ - &ldo8_voltage_map_desc, /* LDO8 */ - &ldo9_voltage_map_desc, /* LDO9 */ - &ldo10_voltage_map_desc, /* LDO10 */ - &ldo456711_voltage_map_desc, /* LDO11 */ - &ldo1213_voltage_map_desc, /* LDO12 */ - &ldo1213_voltage_map_desc, /* LDO13 */ - &ldo1415_voltage_map_desc, /* LDO14 */ - &ldo1415_voltage_map_desc, /* LDO15 */ - &ldo1617_voltage_map_desc, /* LDO16 */ - &ldo1617_voltage_map_desc, /* LDO17 */ - &buck12_voltage_map_desc, /* BUCK1 */ - &buck12_voltage_map_desc, /* BUCK2 */ - &buck3_voltage_map_desc, /* BUCK3 */ - &buck4_voltage_map_desc, /* BUCK4 */ -}; - static int max8998_get_enable_register(struct regulator_dev *rdev, int *reg, int *shift) { @@ -400,7 +334,6 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, { struct max8998_data *max8998 = rdev_get_drvdata(rdev); struct i2c_client *i2c = max8998->iodev->i2c; - const struct voltage_map_desc *desc; int buck = rdev_get_id(rdev); u8 val = 0; int difference, ret; @@ -408,8 +341,6 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, if (buck < MAX8998_BUCK1 || buck > MAX8998_BUCK4) return -EINVAL; - desc = ldo_voltage_map[buck]; - /* Voltage stabilization */ ret = max8998_read_reg(i2c, MAX8998_REG_ONOFF4, &val); if (ret) @@ -420,7 +351,7 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, if (max8998->iodev->type == TYPE_MAX8998 && !(val & MAX8998_ENRAMP)) return 0; - difference = (new_selector - old_selector) * desc->step / 1000; + difference = (new_selector - old_selector) * rdev->desc->uV_step / 1000; if (difference > 0) return DIV_ROUND_UP(difference, (val & 0x0f) + 1); @@ -454,158 +385,53 @@ static const struct regulator_ops max8998_others_ops = { .disable = max8998_ldo_disable, }; -static struct regulator_desc regulators[] = { - { - .name = "LDO2", - .id = MAX8998_LDO2, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO3", - .id = MAX8998_LDO3, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO4", - .id = MAX8998_LDO4, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO5", - .id = MAX8998_LDO5, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO6", - .id = MAX8998_LDO6, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO7", - .id = MAX8998_LDO7, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO8", - .id = MAX8998_LDO8, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO9", - .id = MAX8998_LDO9, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO10", - .id = MAX8998_LDO10, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO11", - .id = MAX8998_LDO11, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO12", - .id = MAX8998_LDO12, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO13", - .id = MAX8998_LDO13, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO14", - .id = MAX8998_LDO14, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO15", - .id = MAX8998_LDO15, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO16", - .id = MAX8998_LDO16, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO17", - .id = MAX8998_LDO17, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "BUCK1", - .id = MAX8998_BUCK1, - .ops = &max8998_buck_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "BUCK2", - .id = MAX8998_BUCK2, - .ops = &max8998_buck_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "BUCK3", - .id = MAX8998_BUCK3, - .ops = &max8998_buck_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "BUCK4", - .id = MAX8998_BUCK4, - .ops = &max8998_buck_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "EN32KHz-AP", - .id = MAX8998_EN32KHZ_AP, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "EN32KHz-CP", - .id = MAX8998_EN32KHZ_CP, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "ENVICHG", - .id = MAX8998_ENVICHG, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "ESAFEOUT1", - .id = MAX8998_ESAFEOUT1, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "ESAFEOUT2", - .id = MAX8998_ESAFEOUT2, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, +#define MAX8998_LINEAR_REG(_name, _ops, _min, _step, _max) \ + { \ + .name = #_name, \ + .id = MAX8998_##_name, \ + .ops = _ops, \ + .min_uV = (_min), \ + .uV_step = (_step), \ + .n_voltages = ((_max) - (_min)) / (_step) + 1, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ } + +#define MAX8998_OTHERS_REG(_name, _id) \ + { \ + .name = #_name, \ + .id = _id, \ + .ops = &max8998_others_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + } + +static const struct regulator_desc regulators[] = { + MAX8998_LINEAR_REG(LDO2, &max8998_ldo_ops, 800000, 50000, 1300000), + MAX8998_LINEAR_REG(LDO3, &max8998_ldo_ops, 800000, 50000, 1300000), + MAX8998_LINEAR_REG(LDO4, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO5, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO6, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO7, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO8, &max8998_ldo_ops, 3000000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO9, &max8998_ldo_ops, 2800000, 100000, 3100000), + MAX8998_LINEAR_REG(LDO10, &max8998_ldo_ops, 950000, 50000, 1300000), + MAX8998_LINEAR_REG(LDO11, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO12, &max8998_ldo_ops, 800000, 100000, 3300000), + MAX8998_LINEAR_REG(LDO13, &max8998_ldo_ops, 800000, 100000, 3300000), + MAX8998_LINEAR_REG(LDO14, &max8998_ldo_ops, 1200000, 100000, 3300000), + MAX8998_LINEAR_REG(LDO15, &max8998_ldo_ops, 1200000, 100000, 3300000), + MAX8998_LINEAR_REG(LDO16, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO17, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(BUCK1, &max8998_buck_ops, 750000, 25000, 1525000), + MAX8998_LINEAR_REG(BUCK2, &max8998_buck_ops, 750000, 25000, 1525000), + MAX8998_LINEAR_REG(BUCK3, &max8998_buck_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(BUCK4, &max8998_buck_ops, 800000, 100000, 2300000), + MAX8998_OTHERS_REG(EN32KHz-AP, MAX8998_EN32KHZ_AP), + MAX8998_OTHERS_REG(EN32KHz-CP, MAX8998_EN32KHZ_CP), + MAX8998_OTHERS_REG(ENVICHG, MAX8998_ENVICHG), + MAX8998_OTHERS_REG(ESAFEOUT1, MAX8998_ESAFEOUT1), + MAX8998_OTHERS_REG(ESAFEOUT2, MAX8998_ESAFEOUT2), }; static int max8998_pmic_dt_parse_dvs_gpio(struct max8998_dev *iodev, @@ -796,9 +622,11 @@ static int max8998_pmic_probe(struct platform_device *pdev) /* Set predefined values for BUCK1 registers */ for (v = 0; v < ARRAY_SIZE(pdata->buck1_voltage); ++v) { + int index = MAX8998_BUCK1 - MAX8998_LDO2; + i = 0; - while (buck12_voltage_map_desc.min + - buck12_voltage_map_desc.step*i + while (regulators[index].min_uV + + regulators[index].uV_step * i < pdata->buck1_voltage[v]) i++; @@ -824,9 +652,11 @@ static int max8998_pmic_probe(struct platform_device *pdev) /* Set predefined values for BUCK2 registers */ for (v = 0; v < ARRAY_SIZE(pdata->buck2_voltage); ++v) { + int index = MAX8998_BUCK2 - MAX8998_LDO2; + i = 0; - while (buck12_voltage_map_desc.min + - buck12_voltage_map_desc.step*i + while (regulators[index].min_uV + + regulators[index].uV_step * i < pdata->buck2_voltage[v]) i++; @@ -839,18 +669,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) } for (i = 0; i < pdata->num_regulators; i++) { - const struct voltage_map_desc *desc; - int id = pdata->regulators[i].id; - int index = id - MAX8998_LDO2; - - desc = ldo_voltage_map[id]; - if (desc && regulators[index].ops != &max8998_others_ops) { - int count = (desc->max - desc->min) / desc->step + 1; - - regulators[index].n_voltages = count; - regulators[index].min_uV = desc->min; - regulators[index].uV_step = desc->step; - } + int index = pdata->regulators[i].id - MAX8998_LDO2; config.dev = max8998->dev; config.of_node = pdata->regulators[i].reg_node; @@ -867,7 +686,6 @@ static int max8998_pmic_probe(struct platform_device *pdev) } } - return 0; } -- 2.17.1 ^ permalink raw reply [flat|nested] 4+ messages in thread
* Applied "regulator: max8998: Factor out struct voltage_map_desc" to the regulator tree 2019-04-14 12:48 ` [PATCH 2/2] regulator: max8998: Factor out struct voltage_map_desc Axel Lin @ 2019-04-15 8:53 ` Mark Brown 0 siblings, 0 replies; 4+ messages in thread From: Mark Brown @ 2019-04-15 8:53 UTC (permalink / raw) To: Axel Lin Cc: Kyungmin Park, Liam Girdwood, linux-kernel, Lukasz Majewski, Mark Brown, MyungJoo Ham The patch regulator: max8998: Factor out struct voltage_map_desc has been applied to the regulator tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-5.2 All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 0dceab33342d279130252b7c587142a7252a9324 Mon Sep 17 00:00:00 2001 From: Axel Lin <axel.lin@ingics.com> Date: Sun, 14 Apr 2019 20:48:18 +0800 Subject: [PATCH] regulator: max8998: Factor out struct voltage_map_desc The struct voltage_map_desc is used for storing min/max/step fileds, and then setup the min_uV, uV_step and n_voltages fields for regulator_desc. Introduce MAX8998_LINEAR_REG/MAX8998_OTHERS_REG macro to setup these filds directly in regulator_desc to simplify the code. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org> --- drivers/regulator/max8998.c | 294 +++++++----------------------------- 1 file changed, 56 insertions(+), 238 deletions(-) diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 43b69ebd086b..60599c3bb845 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -33,72 +33,6 @@ struct max8998_data { unsigned int buck2_idx; }; -struct voltage_map_desc { - int min; - int max; - int step; -}; - -/* Voltage maps in uV*/ -static const struct voltage_map_desc ldo23_voltage_map_desc = { - .min = 800000, .step = 50000, .max = 1300000, -}; -static const struct voltage_map_desc ldo456711_voltage_map_desc = { - .min = 1600000, .step = 100000, .max = 3600000, -}; -static const struct voltage_map_desc ldo8_voltage_map_desc = { - .min = 3000000, .step = 100000, .max = 3600000, -}; -static const struct voltage_map_desc ldo9_voltage_map_desc = { - .min = 2800000, .step = 100000, .max = 3100000, -}; -static const struct voltage_map_desc ldo10_voltage_map_desc = { - .min = 950000, .step = 50000, .max = 1300000, -}; -static const struct voltage_map_desc ldo1213_voltage_map_desc = { - .min = 800000, .step = 100000, .max = 3300000, -}; -static const struct voltage_map_desc ldo1415_voltage_map_desc = { - .min = 1200000, .step = 100000, .max = 3300000, -}; -static const struct voltage_map_desc ldo1617_voltage_map_desc = { - .min = 1600000, .step = 100000, .max = 3600000, -}; -static const struct voltage_map_desc buck12_voltage_map_desc = { - .min = 750000, .step = 25000, .max = 1525000, -}; -static const struct voltage_map_desc buck3_voltage_map_desc = { - .min = 1600000, .step = 100000, .max = 3600000, -}; -static const struct voltage_map_desc buck4_voltage_map_desc = { - .min = 800000, .step = 100000, .max = 2300000, -}; - -static const struct voltage_map_desc *ldo_voltage_map[] = { - NULL, - NULL, - &ldo23_voltage_map_desc, /* LDO2 */ - &ldo23_voltage_map_desc, /* LDO3 */ - &ldo456711_voltage_map_desc, /* LDO4 */ - &ldo456711_voltage_map_desc, /* LDO5 */ - &ldo456711_voltage_map_desc, /* LDO6 */ - &ldo456711_voltage_map_desc, /* LDO7 */ - &ldo8_voltage_map_desc, /* LDO8 */ - &ldo9_voltage_map_desc, /* LDO9 */ - &ldo10_voltage_map_desc, /* LDO10 */ - &ldo456711_voltage_map_desc, /* LDO11 */ - &ldo1213_voltage_map_desc, /* LDO12 */ - &ldo1213_voltage_map_desc, /* LDO13 */ - &ldo1415_voltage_map_desc, /* LDO14 */ - &ldo1415_voltage_map_desc, /* LDO15 */ - &ldo1617_voltage_map_desc, /* LDO16 */ - &ldo1617_voltage_map_desc, /* LDO17 */ - &buck12_voltage_map_desc, /* BUCK1 */ - &buck12_voltage_map_desc, /* BUCK2 */ - &buck3_voltage_map_desc, /* BUCK3 */ - &buck4_voltage_map_desc, /* BUCK4 */ -}; - static int max8998_get_enable_register(struct regulator_dev *rdev, int *reg, int *shift) { @@ -400,7 +334,6 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, { struct max8998_data *max8998 = rdev_get_drvdata(rdev); struct i2c_client *i2c = max8998->iodev->i2c; - const struct voltage_map_desc *desc; int buck = rdev_get_id(rdev); u8 val = 0; int difference, ret; @@ -408,8 +341,6 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, if (buck < MAX8998_BUCK1 || buck > MAX8998_BUCK4) return -EINVAL; - desc = ldo_voltage_map[buck]; - /* Voltage stabilization */ ret = max8998_read_reg(i2c, MAX8998_REG_ONOFF4, &val); if (ret) @@ -420,7 +351,7 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, if (max8998->iodev->type == TYPE_MAX8998 && !(val & MAX8998_ENRAMP)) return 0; - difference = (new_selector - old_selector) * desc->step / 1000; + difference = (new_selector - old_selector) * rdev->desc->uV_step / 1000; if (difference > 0) return DIV_ROUND_UP(difference, (val & 0x0f) + 1); @@ -454,158 +385,53 @@ static const struct regulator_ops max8998_others_ops = { .disable = max8998_ldo_disable, }; -static struct regulator_desc regulators[] = { - { - .name = "LDO2", - .id = MAX8998_LDO2, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO3", - .id = MAX8998_LDO3, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO4", - .id = MAX8998_LDO4, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO5", - .id = MAX8998_LDO5, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO6", - .id = MAX8998_LDO6, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO7", - .id = MAX8998_LDO7, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO8", - .id = MAX8998_LDO8, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO9", - .id = MAX8998_LDO9, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO10", - .id = MAX8998_LDO10, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO11", - .id = MAX8998_LDO11, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO12", - .id = MAX8998_LDO12, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO13", - .id = MAX8998_LDO13, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO14", - .id = MAX8998_LDO14, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO15", - .id = MAX8998_LDO15, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO16", - .id = MAX8998_LDO16, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "LDO17", - .id = MAX8998_LDO17, - .ops = &max8998_ldo_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "BUCK1", - .id = MAX8998_BUCK1, - .ops = &max8998_buck_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "BUCK2", - .id = MAX8998_BUCK2, - .ops = &max8998_buck_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "BUCK3", - .id = MAX8998_BUCK3, - .ops = &max8998_buck_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "BUCK4", - .id = MAX8998_BUCK4, - .ops = &max8998_buck_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "EN32KHz-AP", - .id = MAX8998_EN32KHZ_AP, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "EN32KHz-CP", - .id = MAX8998_EN32KHZ_CP, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "ENVICHG", - .id = MAX8998_ENVICHG, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "ESAFEOUT1", - .id = MAX8998_ESAFEOUT1, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, { - .name = "ESAFEOUT2", - .id = MAX8998_ESAFEOUT2, - .ops = &max8998_others_ops, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, +#define MAX8998_LINEAR_REG(_name, _ops, _min, _step, _max) \ + { \ + .name = #_name, \ + .id = MAX8998_##_name, \ + .ops = _ops, \ + .min_uV = (_min), \ + .uV_step = (_step), \ + .n_voltages = ((_max) - (_min)) / (_step) + 1, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ } + +#define MAX8998_OTHERS_REG(_name, _id) \ + { \ + .name = #_name, \ + .id = _id, \ + .ops = &max8998_others_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + } + +static const struct regulator_desc regulators[] = { + MAX8998_LINEAR_REG(LDO2, &max8998_ldo_ops, 800000, 50000, 1300000), + MAX8998_LINEAR_REG(LDO3, &max8998_ldo_ops, 800000, 50000, 1300000), + MAX8998_LINEAR_REG(LDO4, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO5, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO6, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO7, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO8, &max8998_ldo_ops, 3000000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO9, &max8998_ldo_ops, 2800000, 100000, 3100000), + MAX8998_LINEAR_REG(LDO10, &max8998_ldo_ops, 950000, 50000, 1300000), + MAX8998_LINEAR_REG(LDO11, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO12, &max8998_ldo_ops, 800000, 100000, 3300000), + MAX8998_LINEAR_REG(LDO13, &max8998_ldo_ops, 800000, 100000, 3300000), + MAX8998_LINEAR_REG(LDO14, &max8998_ldo_ops, 1200000, 100000, 3300000), + MAX8998_LINEAR_REG(LDO15, &max8998_ldo_ops, 1200000, 100000, 3300000), + MAX8998_LINEAR_REG(LDO16, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(LDO17, &max8998_ldo_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(BUCK1, &max8998_buck_ops, 750000, 25000, 1525000), + MAX8998_LINEAR_REG(BUCK2, &max8998_buck_ops, 750000, 25000, 1525000), + MAX8998_LINEAR_REG(BUCK3, &max8998_buck_ops, 1600000, 100000, 3600000), + MAX8998_LINEAR_REG(BUCK4, &max8998_buck_ops, 800000, 100000, 2300000), + MAX8998_OTHERS_REG(EN32KHz-AP, MAX8998_EN32KHZ_AP), + MAX8998_OTHERS_REG(EN32KHz-CP, MAX8998_EN32KHZ_CP), + MAX8998_OTHERS_REG(ENVICHG, MAX8998_ENVICHG), + MAX8998_OTHERS_REG(ESAFEOUT1, MAX8998_ESAFEOUT1), + MAX8998_OTHERS_REG(ESAFEOUT2, MAX8998_ESAFEOUT2), }; static int max8998_pmic_dt_parse_dvs_gpio(struct max8998_dev *iodev, @@ -796,9 +622,11 @@ static int max8998_pmic_probe(struct platform_device *pdev) /* Set predefined values for BUCK1 registers */ for (v = 0; v < ARRAY_SIZE(pdata->buck1_voltage); ++v) { + int index = MAX8998_BUCK1 - MAX8998_LDO2; + i = 0; - while (buck12_voltage_map_desc.min + - buck12_voltage_map_desc.step*i + while (regulators[index].min_uV + + regulators[index].uV_step * i < pdata->buck1_voltage[v]) i++; @@ -824,9 +652,11 @@ static int max8998_pmic_probe(struct platform_device *pdev) /* Set predefined values for BUCK2 registers */ for (v = 0; v < ARRAY_SIZE(pdata->buck2_voltage); ++v) { + int index = MAX8998_BUCK2 - MAX8998_LDO2; + i = 0; - while (buck12_voltage_map_desc.min + - buck12_voltage_map_desc.step*i + while (regulators[index].min_uV + + regulators[index].uV_step * i < pdata->buck2_voltage[v]) i++; @@ -839,18 +669,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) } for (i = 0; i < pdata->num_regulators; i++) { - const struct voltage_map_desc *desc; - int id = pdata->regulators[i].id; - int index = id - MAX8998_LDO2; - - desc = ldo_voltage_map[id]; - if (desc && regulators[index].ops != &max8998_others_ops) { - int count = (desc->max - desc->min) / desc->step + 1; - - regulators[index].n_voltages = count; - regulators[index].min_uV = desc->min; - regulators[index].uV_step = desc->step; - } + int index = pdata->regulators[i].id - MAX8998_LDO2; config.dev = max8998->dev; config.of_node = pdata->regulators[i].reg_node; @@ -867,7 +686,6 @@ static int max8998_pmic_probe(struct platform_device *pdev) } } - return 0; } -- 2.20.1 ^ permalink raw reply [flat|nested] 4+ messages in thread
* Applied "regulator: max8998: Constify regulator_ops" to the regulator tree 2019-04-14 12:48 [PATCH 1/2] regulator: max8998: Constify regulator_ops Axel Lin 2019-04-14 12:48 ` [PATCH 2/2] regulator: max8998: Factor out struct voltage_map_desc Axel Lin @ 2019-04-15 8:53 ` Mark Brown 1 sibling, 0 replies; 4+ messages in thread From: Mark Brown @ 2019-04-15 8:53 UTC (permalink / raw) To: Axel Lin Cc: Kyungmin Park, Liam Girdwood, linux-kernel, Lukasz Majewski, Mark Brown, MyungJoo Ham The patch regulator: max8998: Constify regulator_ops has been applied to the regulator tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-5.2 All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 7d695f20c27f33173f2149d4d1c6e994e5c0b08e Mon Sep 17 00:00:00 2001 From: Axel Lin <axel.lin@ingics.com> Date: Sun, 14 Apr 2019 20:48:17 +0800 Subject: [PATCH] regulator: max8998: Constify regulator_ops These regulator_ops variables never need to be modified, make them const so compiler can put them to .rodata. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org> --- drivers/regulator/max8998.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 271bb736f3f5..43b69ebd086b 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -427,7 +427,7 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, return 0; } -static struct regulator_ops max8998_ldo_ops = { +static const struct regulator_ops max8998_ldo_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .is_enabled = max8998_ldo_is_enabled, @@ -437,7 +437,7 @@ static struct regulator_ops max8998_ldo_ops = { .set_voltage_sel = max8998_set_voltage_ldo_sel, }; -static struct regulator_ops max8998_buck_ops = { +static const struct regulator_ops max8998_buck_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .is_enabled = max8998_ldo_is_enabled, @@ -448,7 +448,7 @@ static struct regulator_ops max8998_buck_ops = { .set_voltage_time_sel = max8998_set_voltage_buck_time_sel, }; -static struct regulator_ops max8998_others_ops = { +static const struct regulator_ops max8998_others_ops = { .is_enabled = max8998_ldo_is_enabled, .enable = max8998_ldo_enable, .disable = max8998_ldo_disable, -- 2.20.1 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-04-15 8:54 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2019-04-14 12:48 [PATCH 1/2] regulator: max8998: Constify regulator_ops Axel Lin 2019-04-14 12:48 ` [PATCH 2/2] regulator: max8998: Factor out struct voltage_map_desc Axel Lin 2019-04-15 8:53 ` Applied "regulator: max8998: Factor out struct voltage_map_desc" to the regulator tree Mark Brown 2019-04-15 8:53 ` Applied "regulator: max8998: Constify regulator_ops" " Mark Brown
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