diff options
83 files changed, 2582 insertions, 1519 deletions
diff --git a/Documentation/devicetree/bindings/regulator/as3722-regulator.txt b/Documentation/devicetree/bindings/regulator/as3722-regulator.txt new file mode 100644 index 000000000000..caad0c8a258d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/as3722-regulator.txt @@ -0,0 +1,91 @@ +Regulator of AMS AS3722 PMIC. +Name of the regulator subnode must be "regulators". + +Optional properties: +-------------------- +The input supply of regulators are the optional properties on the +regulator node. The AS3722 is having 7 DCDC step-down regulators as +sd[0-6], 10 LDOs as ldo[0-7], ldo[9-11]. The input supply of these +regulators are provided through following properties: +vsup-sd2-supply: Input supply for SD2. +vsup-sd3-supply: Input supply for SD3. +vsup-sd4-supply: Input supply for SD4. +vsup-sd5-supply: Input supply for SD5. +vin-ldo0-supply: Input supply for LDO0. +vin-ldo1-6-supply: Input supply for LDO1 and LDO6. +vin-ldo2-5-7-supply: Input supply for LDO2, LDO5 and LDO7. +vin-ldo3-4-supply: Input supply for LDO3 and LDO4. +vin-ldo9-10-supply: Input supply for LDO9 and LDO10. +vin-ldo11-supply: Input supply for LDO11. + +Optional nodes: +-------------- +- regulators : Must contain a sub-node per regulator from the list below. + Each sub-node should contain the constraints and initialization + information for that regulator. See regulator.txt for a + description of standard properties for these sub-nodes. + Additional custom properties are listed below. + sd[0-6], ldo[0-7], ldo[9-11]. + + Optional sub-node properties: + ---------------------------- + ams,ext-control: External control of the rail. The option of + this properties will tell which external input is + controlling this rail. Valid values are 0, 1, 2 ad 3. + 0: There is no external control of this rail. + 1: Rail is controlled by ENABLE1 input pin. + 2: Rail is controlled by ENABLE2 input pin. + 3: Rail is controlled by ENABLE3 input pin. + ams,enable-tracking: Enable tracking with SD1, only supported + by LDO3. + +Example: +------- + ams3722: ams3722 { + compatible = "ams,as3722"; + reg = <0x40>; + ... + + regulators { + vsup-sd2-supply = <...>; + ... + + sd0 { + regulator-name = "vdd_cpu"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1400000>; + regulator-always-on; + ams,ext-control = <2>; + }; + + sd1 { + regulator-name = "vdd_core"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1400000>; + regulator-always-on; + ams,ext-control = <1>; + }; + + sd2 { + regulator-name = "vddio_ddr"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + }; + + sd4 { + regulator-name = "avdd-hdmi-pex"; + regulator-min-microvolt = <1050000>; + regulator-max-microvolt = <1050000>; + regulator-always-on; + }; + + sd5 { + regulator-name = "vdd-1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + .... + }; + }; diff --git a/Documentation/devicetree/bindings/regulator/da9210.txt b/Documentation/devicetree/bindings/regulator/da9210.txt new file mode 100644 index 000000000000..f120f229d67d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/da9210.txt @@ -0,0 +1,21 @@ +* Dialog Semiconductor DA9210 Voltage Regulator + +Required properties: + +- compatible: must be "diasemi,da9210" +- reg: the i2c slave address of the regulator. It should be 0x68. + +Any standard regulator properties can be used to configure the single da9210 +DCDC. + +Example: + + da9210@68 { + compatible = "diasemi,da9210"; + reg = <0x68>; + + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + }; diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt index 875639ae0606..42e6b6bc48ff 100644 --- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt +++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt @@ -26,11 +26,17 @@ Optional nodes: For ti,palmas-pmic - smps12, smps123, smps3 depending on OTP, smps45, smps457, smps7 depending on variant, smps6, smps[8-9], - smps10_out2, smps10_out1, do[1-9], ldoln, ldousb. + smps10_out2, smps10_out1, ldo[1-9], ldoln, ldousb. Optional sub-node properties: ti,warm-reset - maintain voltage during warm reset(boolean) - ti,roof-floor - control voltage selection by pin(boolean) + ti,roof-floor - This takes as optional argument on platform supporting + the rail from desired external control. If there is no argument then + it will be assume that it is controlled by NSLEEP pin. + The valid value for external pins are: + ENABLE1 then 1, + ENABLE2 then 2 or + NSLEEP then 3. ti,mode-sleep - mode to adopt in pmic sleep 0 - off, 1 - auto, 2 - eco, 3 - forced pwm ti,smps-range - OTP has the wrong range set for the hardware so override @@ -61,7 +67,7 @@ pmic { regulator-always-on; regulator-boot-on; ti,warm-reset; - ti,roof-floor; + ti,roof-floor = <1>; /* ENABLE1 control */ ti,mode-sleep = <0>; ti,smps-range = <1>; }; diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index 2bd8f0978765..e2c7f1e7251a 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -14,6 +14,11 @@ Optional properties: - regulator-ramp-delay: ramp delay for regulator(in uV/uS) For hardwares which support disabling ramp rate, it should be explicitly intialised to zero (regulator-ramp-delay = <0>) for disabling ramp delay. +- regulator-enable-ramp-delay: The time taken, in microseconds, for the supply + rail to reach the target voltage, plus/minus whatever tolerance the board + design requires. This property describes the total system ramp time + required due to the combination of internal ramping of the regulator itself, + and board design issues such as trace capacitance and load on the supply. Deprecated properties: - regulator-compatible: If a regulator chip contains multiple diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index fcb34a5697ea..3d9c2a766230 100644 --- a/Documentation/driver-model/devres.txt +++ b/Documentation/driver-model/devres.txt @@ -283,6 +283,7 @@ REGULATOR devm_regulator_get() devm_regulator_put() devm_regulator_bulk_get() + devm_regulator_register() CLOCK devm_clk_get() diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index 1a911df9e451..aca7d16e195d 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -310,10 +310,6 @@ static struct regulator_consumer_supply wallvdd_consumers[] = { REGULATOR_SUPPLY("SPKVDDL", "spi0.1"), REGULATOR_SUPPLY("SPKVDDR", "spi0.1"), - REGULATOR_SUPPLY("SPKVDDL", "wm5102-codec"), - REGULATOR_SUPPLY("SPKVDDR", "wm5102-codec"), - REGULATOR_SUPPLY("SPKVDDL", "wm5110-codec"), - REGULATOR_SUPPLY("SPKVDDR", "wm5110-codec"), REGULATOR_SUPPLY("DC1VDD", "0-0034"), REGULATOR_SUPPLY("DC2VDD", "0-0034"), @@ -653,14 +649,6 @@ static struct regulator_consumer_supply pvdd_1v8_consumers[] = { REGULATOR_SUPPLY("DBVDD3", "spi0.1"), REGULATOR_SUPPLY("LDOVDD", "spi0.1"), REGULATOR_SUPPLY("CPVDD", "spi0.1"), - - REGULATOR_SUPPLY("DBVDD2", "wm5102-codec"), - REGULATOR_SUPPLY("DBVDD3", "wm5102-codec"), - REGULATOR_SUPPLY("CPVDD", "wm5102-codec"), - - REGULATOR_SUPPLY("DBVDD2", "wm5110-codec"), - REGULATOR_SUPPLY("DBVDD3", "wm5110-codec"), - REGULATOR_SUPPLY("CPVDD", "wm5110-codec"), }; static struct regulator_init_data pvdd_1v8 = { diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 5ac3aa48473b..022b1863d36c 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -569,13 +569,25 @@ static struct mfd_cell early_devs[] = { { .name = "arizona-ldo1" }, }; +static const char *wm5102_supplies[] = { + "DBVDD2", + "DBVDD3", + "CPVDD", + "SPKVDDL", + "SPKVDDR", +}; + static struct mfd_cell wm5102_devs[] = { { .name = "arizona-micsupp" }, { .name = "arizona-extcon" }, { .name = "arizona-gpio" }, { .name = "arizona-haptics" }, { .name = "arizona-pwm" }, - { .name = "wm5102-codec" }, + { + .name = "wm5102-codec", + .parent_supplies = wm5102_supplies, + .num_parent_supplies = ARRAY_SIZE(wm5102_supplies), + }, }; static struct mfd_cell wm5110_devs[] = { @@ -584,7 +596,17 @@ static struct mfd_cell wm5110_devs[] = { { .name = "arizona-gpio" }, { .name = "arizona-haptics" }, { .name = "arizona-pwm" }, - { .name = "wm5110-codec" }, + { + .name = "wm5110-codec", + .parent_supplies = wm5102_supplies, + .num_parent_supplies = ARRAY_SIZE(wm5102_supplies), + }, +}; + +static const char *wm8997_supplies[] = { + "DBVDD2", + "CPVDD", + "SPKVDD", }; static struct mfd_cell wm8997_devs[] = { @@ -593,7 +615,11 @@ static struct mfd_cell wm8997_devs[] = { { .name = "arizona-gpio" }, { .name = "arizona-haptics" }, { .name = "arizona-pwm" }, - { .name = "wm8997-codec" }, + { + .name = "wm8997-codec", + .parent_supplies = wm8997_supplies, + .num_parent_supplies = ARRAY_SIZE(wm8997_supplies), + }, }; int arizona_dev_init(struct arizona *arizona) diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index f421586f29fb..adc8ea36e7c4 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -20,6 +20,7 @@ #include <linux/module.h> #include <linux/irqdomain.h> #include <linux/of.h> +#include <linux/regulator/consumer.h> static struct device_type mfd_dev_type = { .name = "mfd_device", @@ -99,6 +100,13 @@ static int mfd_add_device(struct device *parent, int id, pdev->dev.dma_mask = parent->dma_mask; pdev->dev.dma_parms = parent->dma_parms; + ret = devm_regulator_bulk_register_supply_alias( + &pdev->dev, cell->parent_supplies, + parent, cell->parent_supplies, + cell->num_parent_supplies); + if (ret < 0) + goto fail_res; + if (parent->of_node && cell->of_compatible) { for_each_child_of_node(parent->of_node, np) { if (of_device_is_compatible(np, cell->of_compatible)) { @@ -112,12 +120,12 @@ static int mfd_add_device(struct device *parent, int id, ret = platform_device_add_data(pdev, cell->platform_data, cell->pdata_size); if (ret) - goto fail_res; + goto fail_alias; } ret = mfd_platform_add_cell(pdev, cell); if (ret) - goto fail_res; + goto fail_alias; for (r = 0; r < cell->num_resources; r++) { res[r].name = cell->resources[r].name; @@ -152,17 +160,17 @@ static int mfd_add_device(struct device *parent, int id, if (!cell->ignore_resource_conflicts) { ret = acpi_check_resource_conflict(&res[r]); if (ret) - goto fail_res; + goto fail_alias; } } ret = platform_device_add_resources(pdev, res, cell->num_resources); if (ret) - goto fail_res; + goto fail_alias; ret = platform_device_add(pdev); if (ret) - goto fail_res; + goto fail_alias; if (cell->pm_runtime_no_callbacks) pm_runtime_no_callbacks(&pdev->dev); @@ -171,6 +179,10 @@ static int mfd_add_device(struct device *parent, int id, return 0; +fail_alias: + devm_regulator_bulk_unregister_supply_alias(&pdev->dev, + cell->parent_supplies, + cell->num_parent_supplies); fail_res: kfree(res); fail_device: diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c index 3459f60dcfd1..d333f7eac106 100644 --- a/drivers/regulator/88pm800.c +++ b/drivers/regulator/88pm800.c @@ -141,18 +141,14 @@ struct pm800_regulators { /* Ranges are sorted in ascending order. */ static const struct regulator_linear_range buck1_volt_range[] = { - { .min_uV = 600000, .max_uV = 1587500, .min_sel = 0, .max_sel = 0x4f, - .uV_step = 12500 }, - { .min_uV = 1600000, .max_uV = 1800000, .min_sel = 0x50, - .max_sel = 0x54, .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500), + REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x54, 50000), }; /* BUCK 2~5 have same ranges. */ static const struct regulator_linear_range buck2_5_volt_range[] = { - { .min_uV = 600000, .max_uV = 1587500, .min_sel = 0, .max_sel = 0x4f, - .uV_step = 12500 }, - { .min_uV = 1600000, .max_uV = 3300000, .min_sel = 0x50, - .max_sel = 0x72, .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500), + REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x72, 50000), }; static const unsigned int ldo1_volt_table[] = { diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c index 70230974468c..f704d83c93c4 100644 --- a/drivers/regulator/88pm8607.c +++ b/drivers/regulator/88pm8607.c @@ -391,7 +391,8 @@ static int pm8607_regulator_probe(struct platform_device *pdev) else config.regmap = chip->regmap_companion; - info->regulator = regulator_register(&info->desc, &config); + info->regulator = devm_regulator_register(&pdev->dev, &info->desc, + &config); if (IS_ERR(info->regulator)) { dev_err(&pdev->dev, "failed to register regulator %s\n", info->desc.name); @@ -402,14 +403,6 @@ static int pm8607_regulator_probe(struct platform_device *pdev) return 0; } -static int pm8607_regulator_remove(struct platform_device *pdev) -{ - struct pm8607_regulator_info *info = platform_get_drvdata(pdev); - - regulator_unregister(info->regulator); - return 0; -} - static struct platform_device_id pm8607_regulator_driver_ids[] = { { .name = "88pm860x-regulator", @@ -428,7 +421,6 @@ static struct platform_driver pm8607_regulator_driver = { .owner = THIS_MODULE, }, .probe = pm8607_regulator_probe, - .remove = pm8607_regulator_remove, .id_table = pm8607_regulator_driver_ids, }; diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index dfe58096b374..ce785f481281 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -28,16 +28,6 @@ config REGULATOR_DEBUG help Say yes here to enable debugging support. -config REGULATOR_DUMMY - bool "Provide a dummy regulator if regulator lookups fail" - help - If this option is enabled then when a regulator lookup fails - and the board has not specified that it has provided full - constraints the regulator core will provide an always - enabled dummy regulator, allowing consumer drivers to continue. - - A warning will be generated when this substitution is done. - config REGULATOR_FIXED_VOLTAGE tristate "Fixed voltage regulator support" help @@ -133,6 +123,14 @@ config REGULATOR_AS3711 This driver provides support for the voltage regulators on the AS3711 PMIC +config REGULATOR_AS3722 + tristate "AMS AS3722 PMIC Regulators" + depends on MFD_AS3722 + help + This driver provides support for the voltage regulators on the + AS3722 PMIC. This will enable support for all the software + controllable DCDC/LDO regulators. + config REGULATOR_DA903X tristate "Dialog Semiconductor DA9030/DA9034 regulators" depends on PMIC_DA903X @@ -429,6 +427,14 @@ config REGULATOR_TI_ABB on TI SoCs may be unstable without enabling this as it provides device specific optimized bias to allow/optimize functionality. +config REGULATOR_STW481X_VMMC + bool "ST Microelectronics STW481X VMMC regulator" + depends on MFD_STW481X + default y if MFD_STW481X + help + This driver supports the internal VMMC regulator in the STw481x + PMIC chips. + config REGULATOR_TPS51632 tristate "TI TPS51632 Power Regulator" depends on I2C diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 185cce246022..01c597ea1744 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -3,7 +3,7 @@ # -obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o helpers.o +obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o helpers.o devres.o obj-$(CONFIG_OF) += of_regulator.o obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o @@ -18,6 +18,7 @@ obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o +obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o obj-$(CONFIG_REGULATOR_DA903X) += da903x.o obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o @@ -56,6 +57,7 @@ obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o obj-$(CONFIG_REGULATOR_RC5T583) += rc5t583-regulator.o obj-$(CONFIG_REGULATOR_S2MPS11) += s2mps11.o obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o +obj-$(CONFIG_REGULATOR_STW481X_VMMC) += stw481x-vmmc.o obj-$(CONFIG_REGULATOR_TI_ABB) += ti-abb-regulator.o obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o obj-$(CONFIG_REGULATOR_TPS62360) += tps62360-regulator.o diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c index 881159dfcb5e..f70a9bfa5ff2 100644 --- a/drivers/regulator/aat2870-regulator.c +++ b/drivers/regulator/aat2870-regulator.c @@ -176,7 +176,7 @@ static int aat2870_regulator_probe(struct platform_device *pdev) config.driver_data = ri; config.init_data = dev_get_platdata(&pdev->dev); - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "Failed to register regulator %s\n", ri->desc.name); @@ -187,21 +187,12 @@ static int aat2870_regulator_probe(struct platform_device *pdev) return 0; } -static int aat2870_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - return 0; -} - static struct platform_driver aat2870_regulator_driver = { .driver = { .name = "aat2870-regulator", .owner = THIS_MODULE, }, .probe = aat2870_regulator_probe, - .remove = aat2870_regulator_remove, }; static int __init aat2870_regulator_init(void) diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index 7d5eaa874b2d..77b46d0b37a6 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c @@ -535,7 +535,7 @@ static int ab3100_regulator_register(struct platform_device *pdev, config.dev = &pdev->dev; config.driver_data = reg; - rdev = regulator_register(desc, &config); + rdev = devm_regulator_register(&pdev->dev, desc, &config); if (IS_ERR(rdev)) { err = PTR_ERR(rdev); dev_err(&pdev->dev, @@ -616,7 +616,6 @@ static int ab3100_regulators_remove(struct platform_device *pdev) for (i = 0; i < AB3100_NUM_REGULATORS; i++) { struct ab3100_regulator *reg = &ab3100_regulators[i]; - regulator_unregister(reg->rdev); reg->rdev = NULL; } return 0; diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c index 02ff691cdb8b..29c0faaf8eba 100644 --- a/drivers/regulator/ab8500-ext.c +++ b/drivers/regulator/ab8500-ext.c @@ -413,16 +413,12 @@ static int ab8500_ext_regulator_probe(struct platform_device *pdev) &pdata->ext_regulator[i]; /* register regulator with 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 regulator %s\n", info->desc.name); - /* when we fail, un-register all earlier regulators */ - while (--i >= 0) { - info = &ab8500_ext_regulator_info[i]; - regulator_unregister(info->rdev); - } return err; } @@ -433,26 +429,8 @@ static int ab8500_ext_regulator_probe(struct platform_device *pdev) return 0; } -static int ab8500_ext_regulator_remove(struct platform_device *pdev) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ab8500_ext_regulator_info); i++) { - struct ab8500_ext_regulator_info *info = NULL; - info = &ab8500_ext_regulator_info[i]; - - dev_vdbg(rdev_get_dev(info->rdev), - "%s-remove\n", info->desc.name); - - regulator_unregister(info->rdev); - } - - return 0; -} - static struct platform_driver ab8500_ext_regulator_driver = { .probe = ab8500_ext_regulator_probe, - .remove = ab8500_ext_regulator_remove, .driver = { .name = "ab8500-ext-regulator", .owner = THIS_MODULE, diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c index b2b203cb6b2f..48016a050d5f 100644 --- a/drivers/regulator/ad5398.c +++ b/drivers/regulator/ad5398.c @@ -219,7 +219,6 @@ static int ad5398_probe(struct i2c_client *client, struct ad5398_chip_info *chip; const struct ad5398_current_data_format *df = (struct ad5398_current_data_format *)id->driver_data; - int ret; if (!init_data) return -EINVAL; @@ -240,33 +239,21 @@ static int ad5398_probe(struct i2c_client *client, chip->current_offset = df->current_offset; chip->current_mask = (chip->current_level - 1) << chip->current_offset; - chip->rdev = regulator_register(&ad5398_reg, &config); + chip->rdev = devm_regulator_register(&client->dev, &ad5398_reg, + &config); if (IS_ERR(chip->rdev)) { - ret = PTR_ERR(chip->rdev); dev_err(&client->dev, "failed to register %s %s\n", id->name, ad5398_reg.name); - goto err; + return PTR_ERR(chip->rdev); } i2c_set_clientdata(client, chip); dev_dbg(&client->dev, "%s regulator driver is registered.\n", id->name); return 0; - -err: - return ret; -} - -static int ad5398_remove(struct i2c_client *client) -{ - struct ad5398_chip_info *chip = i2c_get_clientdata(client); - - regulator_unregister(chip->rdev); - return 0; } static struct i2c_driver ad5398_driver = { .probe = ad5398_probe, - .remove = ad5398_remove, .driver = { .name = "ad5398", }, diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 0d4a8ccbb536..c734d0980826 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -200,7 +200,7 @@ static int anatop_regulator_probe(struct platform_device *pdev) config.regmap = sreg->anatop; /* register regulator */ - rdev = regulator_register(rdesc, &config); + rdev = devm_regulator_register(dev, rdesc, &config); if (IS_ERR(rdev)) { dev_err(dev, "failed to register %s\n", rdesc->name); @@ -223,7 +223,6 @@ static int anatop_regulator_remove(struct platform_device *pdev) struct anatop_regulator *sreg = rdev_get_drvdata(rdev); const char *name = sreg->name; - regulator_unregister(rdev); kfree(name); return 0; @@ -256,7 +255,7 @@ static void __exit anatop_regulator_exit(void) } module_exit(anatop_regulator_exit); -MODULE_AUTHOR("Nancy Chen <Nancy.Chen@freescale.com>, " - "Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>"); +MODULE_AUTHOR("Nancy Chen <Nancy.Chen@freescale.com>"); +MODULE_AUTHOR("Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>"); MODULE_DESCRIPTION("ANATOP Regulator driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c index 81d8681c3195..4f6c2055f6b2 100644 --- a/drivers/regulator/arizona-ldo1.c +++ b/drivers/regulator/arizona-ldo1.c @@ -226,7 +226,7 @@ static int arizona_ldo1_probe(struct platform_device *pdev) else config.init_data = &ldo1->init_data; - ldo1->regulator = regulator_register(desc, &config); + ldo1->regulator = devm_regulator_register(&pdev->dev, desc, &config); if (IS_ERR(ldo1->regulator)) { ret = PTR_ERR(ldo1->regulator); dev_err(arizona->dev, "Failed to register LDO1 supply: %d\n", @@ -239,18 +239,8 @@ static int arizona_ldo1_probe(struct platform_device *pdev) return 0; } -static int arizona_ldo1_remove(struct platform_device *pdev) -{ - struct arizona_ldo1 *ldo1 = platform_get_drvdata(pdev); - - regulator_unregister(ldo1->regulator); - - return 0; -} - static struct platform_driver arizona_ldo1_driver = { .probe = arizona_ldo1_probe, - .remove = arizona_ldo1_remove, .driver = { .name = "arizona-ldo1", .owner = THIS_MODULE, diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c index e87536bf0bed..724706a97dc4 100644 --- a/drivers/regulator/arizona-micsupp.c +++ b/drivers/regulator/arizona-micsupp.c @@ -225,7 +225,9 @@ static int arizona_micsupp_probe(struct platform_device *pdev) regmap_update_bits(arizona->regmap, ARIZONA_MIC_CHARGE_PUMP_1, ARIZONA_CPMIC_BYPASS, 0); - micsupp->regulator = regulator_register(&arizona_micsupp, &config); + micsupp->regulator = devm_regulator_register(&pdev->dev, + &arizona_micsupp, + &config); if (IS_ERR(micsupp->regulator)) { ret = PTR_ERR(micsupp->regulator); dev_err(arizona->dev, "Failed to register mic supply: %d\n", @@ -238,18 +240,8 @@ static int arizona_micsupp_probe(struct platform_device *pdev) return 0; } -static int arizona_micsupp_remove(struct platform_device *pdev) -{ - struct arizona_micsupp *micsupp = platform_get_drvdata(pdev); - - regulator_unregister(micsupp->regulator); - - return 0; -} - static struct platform_driver arizona_micsupp_driver = { .probe = arizona_micsupp_probe, - .remove = arizona_micsupp_remove, .driver = { .name = "arizona-micsupp", .owner = THIS_MODULE, diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c index 8406cd745da2..c77a58478cca 100644 --- a/drivers/regulator/as3711-regulator.c +++ b/drivers/regulator/as3711-regulator.c @@ -117,26 +117,19 @@ static struct regulator_ops as3711_dldo_ops = { }; static const struct regulator_linear_range as3711_sd_ranges[] = { - { .min_uV = 612500, .max_uV = 1400000, - .min_sel = 0x1, .max_sel = 0x40, .uV_step = 12500 }, - { .min_uV = 1425000, .max_uV = 2600000, - .min_sel = 0x41, .max_sel = 0x70, .uV_step = 25000 }, - { .min_uV = 2650000, .max_uV = 3350000, - .min_sel = 0x71, .max_sel = 0x7f, .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(612500, 0x1, 0x40, 12500), + REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000), + REGULATOR_LINEAR_RANGE(2650000, 0x71, 0x7f, 50000), }; static const struct regulator_linear_range as3711_aldo_ranges[] = { - { .min_uV = 1200000, .max_uV = 1950000, - .min_sel = 0, .max_sel = 0xf, .uV_step = 50000 }, - { .min_uV = 1800000, .max_uV = 3300000, - .min_sel = 0x10, .max_sel = 0x1f, .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(1200000, 0, 0xf, 50000), + REGULATOR_LINEAR_RANGE(1800000, 0x10, 0x1f, 100000), }; static const struct regulator_linear_range as3711_dldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1700000, - .min_sel = 0, .max_sel = 0x10, .uV_step = 50000 }, - { .min_uV = 1750000, .max_uV = 3300000, - .min_sel = 0x20, .max_sel = 0x3f, .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(900000, 0, 0x10, 50000), + REGULATOR_LINEAR_RANGE(1750000, 0x20, 0x3f, 50000), }; #define AS3711_REG(_id, _en_reg, _en_bit, _vmask, _vshift, _min_uV, _max_uV, _sfx) \ @@ -273,33 +266,16 @@ static int as3711_regulator_probe(struct platform_device *pdev) config.regmap = as3711->regmap; config.of_node = of_node[id]; - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "Failed to register regulator %s\n", ri->desc.name); - ret = PTR_ERR(rdev); - goto eregreg; + return PTR_ERR(rdev); } reg->rdev = rdev; } platform_set_drvdata(pdev, regs); return 0; - -eregreg: - while (--id >= 0) - regulator_unregister(regs[id].rdev); - - return ret; -} - -static int as3711_regulator_remove(struct platform_device *pdev) -{ - struct as3711_regulator *regs = platform_get_drvdata(pdev); - int id; - - for (id = 0; id < AS3711_REGULATOR_NUM; ++id) - regulator_unregister(regs[id].rdev); - return 0; } static struct platform_driver as3711_regulator_driver = { @@ -308,7 +284,6 @@ static struct platform_driver as3711_regulator_driver = { .owner = THIS_MODULE, }, .probe = as3711_regulator_probe, - .remove = as3711_regulator_remove, }; static int __init as3711_regulator_init(void) diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c new file mode 100644 index 000000000000..5917fe3dc983 --- /dev/null +++ b/drivers/regulator/as3722-regulator.c @@ -0,0 +1,908 @@ +/* + * Voltage regulator support for AMS AS3722 PMIC + * + * Copyright (C) 2013 ams + * + * Author: Florian Lobmaier <florian.lobmaier@ams.com> + * Author: Laxman Dewangan <ldewangan@nvidia.com> + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mfd/as3722.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> +#include <linux/slab.h> + +/* Regulator IDs */ +enum as3722_regulators_id { + AS3722_REGULATOR_ID_SD0, + AS3722_REGULATOR_ID_SD1, + AS3722_REGULATOR_ID_SD2, + AS3722_REGULATOR_ID_SD3, + AS3722_REGULATOR_ID_SD4, + AS3722_REGULATOR_ID_SD5, + AS3722_REGULATOR_ID_SD6, + AS3722_REGULATOR_ID_LDO0, + AS3722_REGULATOR_ID_LDO1, + AS3722_REGULATOR_ID_LDO2, + AS3722_REGULATOR_ID_LDO3, + AS3722_REGULATOR_ID_LDO4, + AS3722_REGULATOR_ID_LDO5, + AS3722_REGULATOR_ID_LDO6, + AS3722_REGULATOR_ID_LDO7, + AS3722_REGULATOR_ID_LDO9, + AS3722_REGULATOR_ID_LDO10, + AS3722_REGULATOR_ID_LDO11, + AS3722_REGULATOR_ID_MAX, +}; + +struct as3722_register_mapping { + u8 regulator_id; + const char *name; + const char *sname; + u8 vsel_reg; + u8 vsel_mask; + int n_voltages; + u32 enable_reg; + u8 enable_mask; + u32 control_reg; + u8 mode_mask; + u32 sleep_ctrl_reg; + u8 sleep_ctrl_mask; +}; + +struct as3722_regulator_config_data { + struct regulator_init_data *reg_init; + bool enable_tracking; + int ext_control; +}; + +struct as3722_regulators { + struct device *dev; + struct as3722 *as3722; + struct regulator_dev *rdevs[AS3722_REGULATOR_ID_MAX]; + struct regulator_desc desc[AS3722_REGULATOR_ID_MAX]; + struct as3722_regulator_config_data + reg_config_data[AS3722_REGULATOR_ID_MAX]; +}; + +static const struct as3722_register_mapping as3722_reg_lookup[] = { + { + .regulator_id = AS3722_REGULATOR_ID_SD0, + .name = "as3722-sd0", + .vsel_reg = AS3722_SD0_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(0), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL1_REG, + .sleep_ctrl_mask = AS3722_SD0_EXT_ENABLE_MASK, + .control_reg = AS3722_SD0_CONTROL_REG, + .mode_mask = AS3722_SD0_MODE_FAST, + .n_voltages = AS3722_SD0_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD1, + .name = "as3722-sd1", + .vsel_reg = AS3722_SD1_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(1), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL1_REG, + .sleep_ctrl_mask = AS3722_SD1_EXT_ENABLE_MASK, + .control_reg = AS3722_SD1_CONTROL_REG, + .mode_mask = AS3722_SD1_MODE_FAST, + .n_voltages = AS3722_SD0_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD2, + .name = "as3722-sd2", + .sname = "vsup-sd2", + .vsel_reg = AS3722_SD2_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(2), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL1_REG, + .sleep_ctrl_mask = AS3722_SD2_EXT_ENABLE_MASK, + .control_reg = AS3722_SD23_CONTROL_REG, + .mode_mask = AS3722_SD2_MODE_FAST, + .n_voltages = AS3722_SD2_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD3, + .name = "as3722-sd3", + .sname = "vsup-sd3", + .vsel_reg = AS3722_SD3_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(3), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL1_REG, + .sleep_ctrl_mask = AS3722_SD3_EXT_ENABLE_MASK, + .control_reg = AS3722_SD23_CONTROL_REG, + .mode_mask = AS3722_SD3_MODE_FAST, + .n_voltages = AS3722_SD2_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD4, + .name = "as3722-sd4", + .sname = "vsup-sd4", + .vsel_reg = AS3722_SD4_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(4), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL2_REG, + .sleep_ctrl_mask = AS3722_SD4_EXT_ENABLE_MASK, + .control_reg = AS3722_SD4_CONTROL_REG, + .mode_mask = AS3722_SD4_MODE_FAST, + .n_voltages = AS3722_SD2_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD5, + .name = "as3722-sd5", + .sname = "vsup-sd5", + .vsel_reg = AS3722_SD5_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(5), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL2_REG, + .sleep_ctrl_mask = AS3722_SD5_EXT_ENABLE_MASK, + .control_reg = AS3722_SD5_CONTROL_REG, + .mode_mask = AS3722_SD5_MODE_FAST, + .n_voltages = AS3722_SD2_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_SD6, + .name = "as3722-sd6", + .vsel_reg = AS3722_SD6_VOLTAGE_REG, + .vsel_mask = AS3722_SD_VSEL_MASK, + .enable_reg = AS3722_SD_CONTROL_REG, + .enable_mask = AS3722_SDn_CTRL(6), + .sleep_ctrl_reg = AS3722_ENABLE_CTRL2_REG, + .sleep_ctrl_mask = AS3722_SD6_EXT_ENABLE_MASK, + .control_reg = AS3722_SD6_CONTROL_REG, + .mode_mask = AS3722_SD6_MODE_FAST, + .n_voltages = AS3722_SD0_VSEL_MAX + 1, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO0, + .name = "as3722-ldo0", + .sname = "vin-ldo0", + .vsel_reg = AS3722_LDO0_VOLTAGE_REG, + .vsel_mask = AS3722_LDO0_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO0_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL3_REG, + .sleep_ctrl_mask = AS3722_LDO0_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO0_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO1, + .name = "as3722-ldo1", + .sname = "vin-ldo1-6", + .vsel_reg = AS3722_LDO1_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO1_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL3_REG, + .sleep_ctrl_mask = AS3722_LDO1_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO2, + .name = "as3722-ldo2", + .sname = "vin-ldo2-5-7", + .vsel_reg = AS3722_LDO2_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO2_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL3_REG, + .sleep_ctrl_mask = AS3722_LDO2_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO3, + .name = "as3722-ldo3", + .name = "vin-ldo3-4", + .vsel_reg = AS3722_LDO3_VOLTAGE_REG, + .vsel_mask = AS3722_LDO3_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO3_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL3_REG, + .sleep_ctrl_mask = AS3722_LDO3_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO3_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO4, + .name = "as3722-ldo4", + .name = "vin-ldo3-4", + .vsel_reg = AS3722_LDO4_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO4_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL4_REG, + .sleep_ctrl_mask = AS3722_LDO4_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO5, + .name = "as3722-ldo5", + .sname = "vin-ldo2-5-7", + .vsel_reg = AS3722_LDO5_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO5_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL4_REG, + .sleep_ctrl_mask = AS3722_LDO5_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO6, + .name = "as3722-ldo6", + .sname = "vin-ldo1-6", + .vsel_reg = AS3722_LDO6_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO6_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL4_REG, + .sleep_ctrl_mask = AS3722_LDO6_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO7, + .name = "as3722-ldo7", + .sname = "vin-ldo2-5-7", + .vsel_reg = AS3722_LDO7_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL0_REG, + .enable_mask = AS3722_LDO7_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL4_REG, + .sleep_ctrl_mask = AS3722_LDO7_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO9, + .name = "as3722-ldo9", + .sname = "vin-ldo9-10", + .vsel_reg = AS3722_LDO9_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL1_REG, + .enable_mask = AS3722_LDO9_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL5_REG, + .sleep_ctrl_mask = AS3722_LDO9_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO10, + .name = "as3722-ldo10", + .sname = "vin-ldo9-10", + .vsel_reg = AS3722_LDO10_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL1_REG, + .enable_mask = AS3722_LDO10_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL5_REG, + .sleep_ctrl_mask = AS3722_LDO10_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, + { + .regulator_id = AS3722_REGULATOR_ID_LDO11, + .name = "as3722-ldo11", + .sname = "vin-ldo11", + .vsel_reg = AS3722_LDO11_VOLTAGE_REG, + .vsel_mask = AS3722_LDO_VSEL_MASK, + .enable_reg = AS3722_LDOCONTROL1_REG, + .enable_mask = AS3722_LDO11_CTRL, + .sleep_ctrl_reg = AS3722_ENABLE_CTRL5_REG, + .sleep_ctrl_mask = AS3722_LDO11_EXT_ENABLE_MASK, + .n_voltages = AS3722_LDO_NUM_VOLT, + }, +}; + + +static const int as3722_ldo_current[] = { 150000, 300000 }; +static const int as3722_sd016_current[] = { 2500000, 3000000, 3500000 }; + +static int as3722_current_to_index(int min_uA, int max_uA, + const int *curr_table, int n_currents) +{ + int i; + + for (i = n_currents - 1; i >= 0; i--) { + if ((min_uA <= curr_table[i]) && (curr_table[i] <= max_uA)) + return i; + } + return -EINVAL; +} + +static int as3722_ldo_get_current_limit(struct regulator_dev *rdev) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + u32 val; + int ret; + + ret = as3722_read(as3722, as3722_reg_lookup[id].vsel_reg, &val); + if (ret < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n", + as3722_reg_lookup[id].vsel_reg, ret); + return ret; + } + if (val & AS3722_LDO_ILIMIT_MASK) + return 300000; + return 150000; +} + +static int as3722_ldo_set_current_limit(struct regulator_dev *rdev, + int min_uA, int max_uA) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + int ret; + u32 reg = 0; + + ret = as3722_current_to_index(min_uA, max_uA, as3722_ldo_current, + ARRAY_SIZE(as3722_ldo_current)); + if (ret < 0) { + dev_err(as3722_regs->dev, + "Current range min:max = %d:%d does not support\n", + min_uA, max_uA); + return ret; + } + if (ret) + reg = AS3722_LDO_ILIMIT_BIT; + return as3722_update_bits(as3722, as3722_reg_lookup[id].vsel_reg, + AS3722_LDO_ILIMIT_MASK, reg); +} + +static struct regulator_ops as3722_ldo0_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_ldo_get_current_limit, + .set_current_limit = as3722_ldo_set_current_limit, +}; + +static struct regulator_ops as3722_ldo0_extcntrl_ops = { + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_ldo_get_current_limit, + .set_current_limit = as3722_ldo_set_current_limit, +}; + +static int as3722_ldo3_set_tracking_mode(struct as3722_regulators *as3722_reg, + int id, u8 mode) +{ + struct as3722 *as3722 = as3722_reg->as3722; + + switch (mode) { + case AS3722_LDO3_MODE_PMOS: + case AS3722_LDO3_MODE_PMOS_TRACKING: + case AS3722_LDO3_MODE_NMOS: + case AS3722_LDO3_MODE_SWITCH: + return as3722_update_bits(as3722, + as3722_reg_lookup[id].vsel_reg, + AS3722_LDO3_MODE_MASK, mode); + + default: + return -EINVAL; + } +} + +static int as3722_ldo3_get_current_limit(struct regulator_dev *rdev) +{ + return 150000; +} + +static struct regulator_ops as3722_ldo3_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_ldo3_get_current_limit, +}; + +static struct regulator_ops as3722_ldo3_extcntrl_ops = { + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_ldo3_get_current_limit, +}; + +static const struct regulator_linear_range as3722_ldo_ranges[] = { + REGULATOR_LINEAR_RANGE(825000, 0x01, 0x24, 25000), + REGULATOR_LINEAR_RANGE(1725000, 0x40, 0x7F, 25000), +}; + +static struct regulator_ops as3722_ldo_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .get_current_limit = as3722_ldo_get_current_limit, + .set_current_limit = as3722_ldo_set_current_limit, +}; + +static struct regulator_ops as3722_ldo_extcntrl_ops = { + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .get_current_limit = as3722_ldo_get_current_limit, + .set_current_limit = as3722_ldo_set_current_limit, +}; + +static unsigned int as3722_sd_get_mode(struct regulator_dev *rdev) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + u32 val; + int ret; + + if (!as3722_reg_lookup[id].control_reg) + return -ENOTSUPP; + + ret = as3722_read(as3722, as3722_reg_lookup[id].control_reg, &val); + if (ret < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n", + as3722_reg_lookup[id].control_reg, ret); + return ret; + } + + if (val & as3722_reg_lookup[id].mode_mask) + return REGULATOR_MODE_FAST; + else + return REGULATOR_MODE_NORMAL; +} + +static int as3722_sd_set_mode(struct regulator_dev *rdev, + unsigned int mode) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + u8 id = rdev_get_id(rdev); + u8 val = 0; + int ret; + + if (!as3722_reg_lookup[id].control_reg) + return -ERANGE; + + switch (mode) { + case REGULATOR_MODE_FAST: + val = as3722_reg_lookup[id].mode_mask; + case REGULATOR_MODE_NORMAL: /* fall down */ + break; + default: + return -EINVAL; + } + + ret = as3722_update_bits(as3722, as3722_reg_lookup[id].control_reg, + as3722_reg_lookup[id].mode_mask, val); + if (ret < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x update failed: %d\n", + as3722_reg_lookup[id].control_reg, ret); + return ret; + } + return ret; +} + +static int as3722_sd016_get_current_limit(struct regulator_dev *rdev) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + u32 val, reg; + int mask; + int ret; + + switch (id) { + case AS3722_REGULATOR_ID_SD0: + reg = AS3722_OVCURRENT_REG; + mask = AS3722_OVCURRENT_SD0_TRIP_MASK; + break; + case AS3722_REGULATOR_ID_SD1: + reg = AS3722_OVCURRENT_REG; + mask = AS3722_OVCURRENT_SD1_TRIP_MASK; + break; + case AS3722_REGULATOR_ID_SD6: + reg = AS3722_OVCURRENT_DEB_REG; + mask = AS3722_OVCURRENT_SD6_TRIP_MASK; + break; + default: + return -EINVAL; + } + ret = as3722_read(as3722, reg, &val); + if (ret < 0) { + dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n", + reg, ret); + return ret; + } + val &= mask; + val >>= ffs(mask) - 1; + if (val == 3) + return -EINVAL; + return as3722_sd016_current[val]; +} + +static int as3722_sd016_set_current_limit(struct regulator_dev *rdev, + int min_uA, int max_uA) +{ + struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev); + struct as3722 *as3722 = as3722_regs->as3722; + int id = rdev_get_id(rdev); + int ret; + int val; + int mask; + u32 reg; + + ret = as3722_current_to_index(min_uA, max_uA, as3722_sd016_current, + ARRAY_SIZE(as3722_sd016_current)); + if (ret < 0) { + dev_err(as3722_regs->dev, + "Current range min:max = %d:%d does not support\n", + min_uA, max_uA); + return ret; + } + + switch (id) { + case AS3722_REGULATOR_ID_SD0: + reg = AS3722_OVCURRENT_REG; + mask = AS3722_OVCURRENT_SD0_TRIP_MASK; + break; + case AS3722_REGULATOR_ID_SD1: + reg = AS3722_OVCURRENT_REG; + mask = AS3722_OVCURRENT_SD1_TRIP_MASK; + break; + case AS3722_REGULATOR_ID_SD6: + reg = AS3722_OVCURRENT_DEB_REG; + mask = AS3722_OVCURRENT_SD6_TRIP_MASK; + break; + default: + return -EINVAL; + } + val = ret & mask; + val <<= ffs(mask) - 1; + return as3722_update_bits(as3722, reg, mask, val); +} + +static const struct regulator_linear_range as3722_sd2345_ranges[] = { + REGULATOR_LINEAR_RANGE(612500, 0x01, 0x40, 12500), + REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000), + REGULATOR_LINEAR_RANGE(2650000, 0x71, 0x7F, 50000), +}; + +static struct regulator_ops as3722_sd016_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_sd016_get_current_limit, + .set_current_limit = as3722_sd016_set_current_limit, + .get_mode = as3722_sd_get_mode, + .set_mode = as3722_sd_set_mode, +}; + +static struct regulator_ops as3722_sd016_extcntrl_ops = { + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_current_limit = as3722_sd016_get_current_limit, + .set_current_limit = as3722_sd016_set_current_limit, + .get_mode = as3722_sd_get_mode, + .set_mode = as3722_sd_set_mode, +}; + +static struct regulator_ops as3722_sd2345_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .get_mode = as3722_sd_get_mode, + .set_mode = as3722_sd_set_mode, +}; + +static struct regulator_ops as3722_sd2345_extcntrl_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .get_mode = as3722_sd_get_mode, + .set_mode = as3722_sd_set_mode, +}; + +static int as3722_extreg_init(struct as3722_regulators *as3722_regs, int id, + int ext_pwr_ctrl) +{ + int ret; + unsigned int val; + + if ((ext_pwr_ctrl < AS3722_EXT_CONTROL_ENABLE1) || + (ext_pwr_ctrl > AS3722_EXT_CONTROL_ENABLE3)) + return -EINVAL; + + val = ext_pwr_ctrl << (ffs(as3722_reg_lookup[id].sleep_ctrl_mask) - 1); + ret = as3722_update_bits(as3722_regs->as3722, + as3722_reg_lookup[id].sleep_ctrl_reg, + as3722_reg_lookup[id].sleep_ctrl_mask, val); + if (ret < 0) + dev_err(as3722_regs->dev, "Reg 0x%02x update failed: %d\n", + as3722_reg_lookup[id].sleep_ctrl_reg, ret); + return ret; +} + +static struct of_regulator_match as3722_regulator_matches[] = { + { .name = "sd0", }, + { .name = "sd1", }, + { .name = "sd2", }, + { .name = "sd3", }, + { .name = "sd4", }, + { .name = "sd5", }, + { .name = "sd6", }, + { .name = "ldo0", }, + { .name = "ldo1", }, + { .name = "ldo2", }, + { .name = "ldo3", }, + { .name = "ldo4", }, + { .name = "ldo5", }, + { .name = "ldo6", }, + { .name = "ldo7", }, + { .name = "ldo9", }, + { .name = "ldo10", }, + { .name = "ldo11", }, +}; + +static int as3722_get_regulator_dt_data(struct platform_device *pdev, + struct as3722_regulators *as3722_regs) +{ + struct device_node *np; + struct as3722_regulator_config_data *reg_config; + u32 prop; + int id; + int ret; + + np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); + if (!np) { + dev_err(&pdev->dev, "Device is not having regulators node\n"); + return -ENODEV; + } + pdev->dev.of_node = np; + + ret = of_regulator_match(&pdev->dev, np, as3722_regulator_matches, + ARRAY_SIZE(as3722_regulator_matches)); + if (ret < 0) { + dev_err(&pdev->dev, "Parsing of regulator node failed: %d\n", + ret); + return ret; + } + + for (id = 0; id < ARRAY_SIZE(as3722_regulator_matches); ++id) { + struct device_node *reg_node; + + reg_config = &as3722_regs->reg_config_data[id]; + reg_config->reg_init = as3722_regulator_matches[id].init_data; + reg_node = as3722_regulator_matches[id].of_node; + + if (!reg_config->reg_init || !reg_node) + continue; + + ret = of_property_read_u32(reg_node, "ams,ext-control", &prop); + if (!ret) { + if (prop < 3) + reg_config->ext_control = prop; + else + dev_warn(&pdev->dev, + "ext-control have invalid option: %u\n", + prop); + } + reg_config->enable_tracking = + of_property_read_bool(reg_node, "ams,enable-tracking"); + } + return 0; +} + +static int as3722_regulator_probe(struct platform_device *pdev) +{ + struct as3722 *as3722 = dev_get_drvdata(pdev->dev.parent); + struct as3722_regulators *as3722_regs; + struct as3722_regulator_config_data *reg_config; + struct regulator_dev *rdev; + struct regulator_config config = { }; + struct regulator_ops *ops; + int id; + int ret; + + as3722_regs = devm_kzalloc(&pdev->dev, sizeof(*as3722_regs), + GFP_KERNEL); + if (!as3722_regs) + return -ENOMEM; + + as3722_regs->dev = &pdev->dev; + as3722_regs->as3722 = as3722; + platform_set_drvdata(pdev, as3722_regs); + + ret = as3722_get_regulator_dt_data(pdev, as3722_regs); + if (ret < 0) + return ret; + + config.dev = &pdev->dev; + config.driver_data = as3722_regs; + config.regmap = as3722->regmap; + + for (id = 0; id < AS3722_REGULATOR_ID_MAX; id++) { + reg_config = &as3722_regs->reg_config_data[id]; + + as3722_regs->desc[id].name = as3722_reg_lookup[id].name; + as3722_regs->desc[id].supply_name = as3722_reg_lookup[id].sname; + as3722_regs->desc[id].id = as3722_reg_lookup[id].regulator_id; + as3722_regs->desc[id].n_voltages = + as3722_reg_lookup[id].n_voltages; + as3722_regs->desc[id].type = REGULATOR_VOLTAGE; + as3722_regs->desc[id].owner = THIS_MODULE; + as3722_regs->desc[id].enable_reg = + as3722_reg_lookup[id].enable_reg; + as3722_regs->desc[id].enable_mask = + as3722_reg_lookup[id].enable_mask; + as3722_regs->desc[id].vsel_reg = as3722_reg_lookup[id].vsel_reg; + as3722_regs->desc[id].vsel_mask = + as3722_reg_lookup[id].vsel_mask; + switch (id) { + case AS3722_REGULATOR_ID_LDO0: + if (reg_config->ext_control) + ops = &as3722_ldo0_extcntrl_ops; + else + ops = &as3722_ldo0_ops; + as3722_regs->desc[id].min_uV = 825000; + as3722_regs->desc[id].uV_step = 25000; + as3722_regs->desc[id].linear_min_sel = 1; + as3722_regs->desc[id].enable_time = 500; + break; + case AS3722_REGULATOR_ID_LDO3: + if (reg_config->ext_control) + ops = &as3722_ldo3_extcntrl_ops; + else + ops = &as3722_ldo3_ops; + as3722_regs->desc[id].min_uV = 620000; + as3722_regs->desc[id].uV_step = 20000; + as3722_regs->desc[id].linear_min_sel = 1; + as3722_regs->desc[id].enable_time = 500; + if (reg_config->enable_tracking) { + ret = as3722_ldo3_set_tracking_mode(as3722_regs, + id, AS3722_LDO3_MODE_PMOS_TRACKING); + if (ret < 0) { + dev_err(&pdev->dev, + "LDO3 tracking failed: %d\n", + ret); + return ret; + } + } + break; + case AS3722_REGULATOR_ID_SD0: + case AS3722_REGULATOR_ID_SD1: + case AS3722_REGULATOR_ID_SD6: + if (reg_config->ext_control) + ops = &as3722_sd016_extcntrl_ops; + else + ops = &as3722_sd016_ops; + as3722_regs->desc[id].min_uV = 610000; + as3722_regs->desc[id].uV_step = 10000; + as3722_regs->desc[id].linear_min_sel = 1; + break; + case AS3722_REGULATOR_ID_SD2: + case AS3722_REGULATOR_ID_SD3: + case AS3722_REGULATOR_ID_SD4: + case AS3722_REGULATOR_ID_SD5: + if (reg_config->ext_control) + ops = &as3722_sd2345_extcntrl_ops; + else + ops = &as3722_sd2345_ops; + as3722_regs->desc[id].linear_ranges = + as3722_sd2345_ranges; + as3722_regs->desc[id].n_linear_ranges = + ARRAY_SIZE(as3722_sd2345_ranges); + break; + default: + if (reg_config->ext_control) + ops = &as3722_ldo_extcntrl_ops; + else + ops = &as3722_ldo_ops; + as3722_regs->desc[id].min_uV = 825000; + as3722_regs->desc[id].uV_step = 25000; + as3722_regs->desc[id].linear_min_sel = 1; + as3722_regs->desc[id].enable_time = 500; + as3722_regs->desc[id].linear_ranges = as3722_ldo_ranges; + as3722_regs->desc[id].n_linear_ranges = + ARRAY_SIZE(as3722_ldo_ranges); + break; + } + as3722_regs->desc[id].ops = ops; + config.init_data = reg_config->reg_init; + config.of_node = as3722_regulator_matches[id].of_node; + rdev = devm_regulator_register(&pdev->dev, + &as3722_regs->desc[id], &config); + if (IS_ERR(rdev)) { + ret = PTR_ERR(rdev); + dev_err(&pdev->dev, "regulator %d register failed %d\n", + id, ret); + return ret; + } + + as3722_regs->rdevs[id] = rdev; + if (reg_config->ext_control) { + ret = regulator_enable_regmap(rdev); + if (ret < 0) { + dev_err(&pdev->dev, + "Regulator %d enable failed: %d\n", + id, ret); + return ret; + } + ret = as3722_extreg_init(as3722_regs, id, + reg_config->ext_control); + if (ret < 0) { + dev_err(&pdev->dev, + "AS3722 ext control failed: %d", ret); + return ret; + } + } + } + return 0; +} + +static const struct of_device_id of_as3722_regulator_match[] = { + { .compatible = "ams,as3722-regulator", }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_as3722_regulator_match); + +static struct platform_driver as3722_regulator_driver = { + .driver = { + .name = "as3722-regulator", + .owner = THIS_MODULE, + .of_match_table = of_as3722_regulator_match, + }, + .probe = as3722_regulator_probe, +}; + +module_platform_driver(as3722_regulator_driver); + +MODULE_ALIAS("platform:as3722-regulator"); +MODULE_DESCRIPTION("AS3722 regulator driver"); +MODULE_AUTHOR("Florian Lobmaier <florian.lobmaier@ams.com>"); +MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a01b8b3b70ca..6382f0af353b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -36,6 +36,7 @@ #include <trace/events/regulator.h> #include "dummy.h" +#include "internal.h" #define rdev_crit(rdev, fmt, ...) \ pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) @@ -52,8 +53,8 @@ static DEFINE_MUTEX(regulator_list_mutex); static LIST_HEAD(regulator_list); static LIST_HEAD(regulator_map_list); static LIST_HEAD(regulator_ena_gpio_list); +static LIST_HEAD(regulator_supply_alias_list); static bool has_full_constraints; -static bool board_wants_dummy_regulator; static struct dentry *debugfs_root; @@ -83,22 +84,16 @@ struct regulator_enable_gpio { }; /* - * struct regulator + * struct regulator_supply_alias * - * One for each consumer device. + * Used to map lookups for a supply onto an alternative device. */ -struct regulator { - struct device *dev; +struct regulator_supply_alias { struct list_head list; - unsigned int always_on:1; - unsigned int bypass:1; - int uA_load; - int min_uV; - int max_uV; - char *supply_name; - struct device_attribute dev_attr; - struct regulator_dev *rdev; - struct dentry *debugfs; + struct device *src_dev; + const char *src_supply; + struct device *alias_dev; + const char *alias_supply; }; static int _regulator_is_enabled(struct regulator_dev *rdev); @@ -923,6 +918,36 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, return 0; } +static int machine_constraints_current(struct regulator_dev *rdev, + struct regulation_constraints *constraints) +{ + struct regulator_ops *ops = rdev->desc->ops; + int ret; + + if (!constraints->min_uA && !constraints->max_uA) + return 0; + + if (constraints->min_uA > constraints->max_uA) { + rdev_err(rdev, "Invalid current constraints\n"); + return -EINVAL; + } + + if (!ops->set_current_limit || !ops->get_current_limit) { + rdev_warn(rdev, "Operation of current configuration missing\n"); + return 0; + } + + /* Set regulator current in constraints range */ + ret = ops->set_current_limit(rdev, constraints->min_uA, + constraints->max_uA); + if (ret < 0) { + rdev_err(rdev, "Failed to set current constraint, %d\n", ret); + return ret; + } + + return 0; +} + /** * set_machine_constraints - sets regulator constraints * @rdev: regulator source @@ -953,6 +978,10 @@ static int set_machine_constraints(struct regulator_dev *rdev, if (ret != 0) goto out; + ret = machine_constraints_current(rdev, rdev->constraints); + if (ret != 0) + goto out; + /* do we need to setup our suspend state */ if (rdev->constraints->initial_state) { ret = suspend_prepare(rdev, rdev->constraints->initial_state); @@ -1186,11 +1215,39 @@ overflow_err: static int _regulator_get_enable_time(struct regulator_dev *rdev) { + if (rdev->constraints && rdev->constraints->enable_time) + return rdev->constraints->enable_time; if (!rdev->desc->ops->enable_time) return rdev->desc->enable_time; return rdev->desc->ops->enable_time(rdev); } +static struct regulator_supply_alias *regulator_find_supply_alias( + struct device *dev, const char *supply) +{ + struct regulator_supply_alias *map; + + list_for_each_entry(map, ®ulator_supply_alias_list, list) + if (map->src_dev == dev && strcmp(map->src_supply, supply) == 0) + return map; + + return NULL; +} + +static void regulator_supply_alias(struct device **dev, const char **supply) +{ + struct regulator_supply_alias *map; + + map = regulator_find_supply_alias(*dev, *supply); + if (map) { + dev_dbg(*dev, "Mapping supply %s to %s,%s\n", + *supply, map->alias_supply, + dev_name(map->alias_dev)); + *dev = map->alias_dev; + *supply = map->alias_supply; + } +} + static struct regulator_dev *regulator_dev_lookup(struct device *dev, const char *supply, int *ret) @@ -1200,6 +1257,8 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev, struct regulator_map *map; const char *devname = NULL; + regulator_supply_alias(&dev, &supply); + /* first do a dt based lookup */ if (dev && dev->of_node) { node = of_get_regulator(dev, supply); @@ -1243,16 +1302,16 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev, /* Internal regulator request function */ static struct regulator *_regulator_get(struct device *dev, const char *id, - bool exclusive) + bool exclusive, bool allow_dummy) { struct regulator_dev *rdev; struct regulator *regulator = ERR_PTR(-EPROBE_DEFER); const char *devname = NULL; - int ret = 0; + int ret = -EPROBE_DEFER; if (id == NULL) { pr_err("get() with no identifier\n"); - return regulator; + return ERR_PTR(-EINVAL); } if (dev) @@ -1264,34 +1323,32 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, if (rdev) goto found; + regulator = ERR_PTR(ret); + /* * If we have return value from dev_lookup fail, we do not expect to * succeed, so, quit with appropriate error value */ - if (ret) { - regulator = ERR_PTR(ret); + if (ret && ret != -ENODEV) { goto out; } - if (board_wants_dummy_regulator) { - rdev = dummy_regulator_rdev; - goto found; - } - -#ifdef CONFIG_REGULATOR_DUMMY if (!devname) devname = "deviceless"; - /* If the board didn't flag that it was fully constrained then - * substitute in a dummy regulator so consumers can continue. + /* + * Assume that a regulator is physically present and enabled + * even if it isn't hooked up and just provide a dummy. */ - if (!has_full_constraints) { + if (has_full_constraints && allow_dummy) { pr_warn("%s supply %s not found, using dummy regulator\n", devname, id); + rdev = dummy_regulator_rdev; goto found; + } else { + dev_err(dev, "dummy supplies not allowed\n"); } -#endif mutex_unlock(®ulator_list_mutex); return regulator; @@ -1349,44 +1406,10 @@ out: */ struct regulator *regulator_get(struct device *dev, const char *id) { - return _regulator_get(dev, id, false); + return _regulator_get(dev, id, false, true); } EXPORT_SYMBOL_GPL(regulator_get); -static void devm_regulator_release(struct device *dev, void *res) -{ - regulator_put(*(struct regulator **)res); -} - -/** - * devm_regulator_get - Resource managed regulator_get() - * @dev: device for regulator "consumer" - * @id: Supply name or regulator ID. - * - * Managed regulator_get(). Regulators returned from this function are - * automatically regulator_put() on driver detach. See regulator_get() for more - * information. - */ -struct regulator *devm_regulator_get(struct device *dev, const char *id) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = regulator_get(dev, id); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get); - /** * regulator_get_exclusive - obtain exclusive access to a regulator. * @dev: device for regulator "consumer" @@ -1410,7 +1433,7 @@ EXPORT_SYMBOL_GPL(devm_regulator_get); */ struct regulator *regulator_get_exclusive(struct device *dev, const char *id) { - return _regulator_get(dev, id, true); + return _regulator_get(dev, id, true, false); } EXPORT_SYMBOL_GPL(regulator_get_exclusive); @@ -1439,40 +1462,10 @@ EXPORT_SYMBOL_GPL(regulator_get_exclusive); */ struct regulator *regulator_get_optional(struct device *dev, const char *id) { - return _regulator_get(dev, id, 0); + return _regulator_get(dev, id, false, false); } EXPORT_SYMBOL_GPL(regulator_get_optional); -/** - * devm_regulator_get_optional - Resource managed regulator_get_optional() - * @dev: device for regulator "consumer" - * @id: Supply name or regulator ID. - * - * Managed regulator_get_optional(). Regulators returned from this - * function are automatically regulator_put() on driver detach. See - * regulator_get_optional() for more information. - */ -struct regulator *devm_regulator_get_optional(struct device *dev, - const char *id) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = regulator_get_optional(dev, id); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get_optional); - /* Locks held by regulator_put() */ static void _regulator_put(struct regulator *regulator) { @@ -1499,36 +1492,6 @@ static void _regulator_put(struct regulator *regulator) } /** - * devm_regulator_get_exclusive - Resource managed regulator_get_exclusive() - * @dev: device for regulator "consumer" - * @id: Supply name or regulator ID. - * - * Managed regulator_get_exclusive(). Regulators returned from this function - * are automatically regulator_put() on driver detach. See regulator_get() for - * more information. - */ -struct regulator *devm_regulator_get_exclusive(struct device *dev, - const char *id) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = _regulator_get(dev, id, 1); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive); - -/** * regulator_put - "free" the regulator source * @regulator: regulator source * @@ -1544,34 +1507,133 @@ void regulator_put(struct regulator *regulator) } EXPORT_SYMBOL_GPL(regulator_put); -static int devm_regulator_match(struct device *dev, void *res, void *data) +/** + * regulator_register_supply_alias - Provide device alias for supply lookup + * + * @dev: device that will be given as the regulator "consumer" + * @id: Supply name or regulator ID + * @alias_dev: device that should be used to lookup the supply + * @alias_id: Supply name or regulator ID that should be used to lookup the + * supply + * + * All lookups for id on dev will instead be conducted for alias_id on + * alias_dev. + */ +int regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id) +{ + struct regulator_supply_alias *map; + + map = regulator_find_supply_alias(dev, id); + if (map) + return -EEXIST; + + map = kzalloc(sizeof(struct regulator_supply_alias), GFP_KERNEL); + if (!map) + return -ENOMEM; + + map->src_dev = dev; + map->src_supply = id; + map->alias_dev = alias_dev; + map->alias_supply = alias_id; + + list_add(&map->list, ®ulator_supply_alias_list); + + pr_info("Adding alias for supply %s,%s -> %s,%s\n", + id, dev_name(dev), alias_id, dev_name(alias_dev)); + + return 0; +} +EXPORT_SYMBOL_GPL(regulator_register_supply_alias); + +/** + * regulator_unregister_supply_alias - Remove device alias + * + * @dev: device that will be given as the regulator "consumer" + * @id: Supply name or regulator ID + * + * Remove a lookup alias if one exists for id on dev. + */ +void regulator_unregister_supply_alias(struct device *dev, const char *id) { - struct regulator **r = res; - if (!r || !*r) { - WARN_ON(!r || !*r); - return 0; + struct regulator_supply_alias *map; + + map = regulator_find_supply_alias(dev, id); + if (map) { + list_del(&map->list); + kfree(map); } - return *r == data; } +EXPORT_SYMBOL_GPL(regulator_unregister_supply_alias); /** - * devm_regulator_put - Resource managed regulator_put() - * @regulator: regulator to free + * regulator_bulk_register_supply_alias - register multiple aliases + * + * @dev: device that will be given as the regulator "consumer" + * @id: List of supply names or regulator IDs + * @alias_dev: device that should be used to lookup the supply + * @alias_id: List of supply names or regulator IDs that should be used to + * lookup the supply + * @num_id: Number of aliases to register + * + * @return 0 on success, an errno on failure. * - * Deallocate a regulator allocated with devm_regulator_get(). Normally - * this function will not need to be called and the resource management - * code will ensure that the resource is freed. + * This helper function allows drivers to register several supply + * aliases in one operation. If any of the aliases cannot be + * registered any aliases that were registered will be removed + * before returning to the caller. */ -void devm_regulator_put(struct regulator *regulator) +int regulator_bulk_register_supply_alias(struct device *dev, const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id) { - int rc; + int i; + int ret; + + for (i = 0; i < num_id; ++i) { + ret = regulator_register_supply_alias(dev, id[i], alias_dev, + alias_id[i]); + if (ret < 0) + goto err; + } + + return 0; + +err: + dev_err(dev, + "Failed to create supply alias %s,%s -> %s,%s\n", + id[i], dev_name(dev), alias_id[i], dev_name(alias_dev)); + + while (--i >= 0) + regulator_unregister_supply_alias(dev, id[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(regulator_bulk_register_supply_alias); + +/** + * regulator_bulk_unregister_supply_alias - unregister multiple aliases + * + * @dev: device that will be given as the regulator "consumer" + * @id: List of supply names or regulator IDs + * @num_id: Number of aliases to unregister + * + * This helper function allows drivers to unregister several supply + * aliases in one operation. + */ +void regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id) +{ + int i; - rc = devres_release(regulator->dev, devm_regulator_release, - devm_regulator_match, regulator); - if (rc != 0) - WARN_ON(rc); + for (i = 0; i < num_id; ++i) + regulator_unregister_supply_alias(dev, id[i]); } -EXPORT_SYMBOL_GPL(devm_regulator_put); +EXPORT_SYMBOL_GPL(regulator_bulk_unregister_supply_alias); + /* Manage enable GPIO list. Same GPIO pin can be shared among regulators */ static int regulator_ena_gpio_request(struct regulator_dev *rdev, @@ -1704,11 +1766,39 @@ static int _regulator_do_enable(struct regulator_dev *rdev) * together. */ trace_regulator_enable_delay(rdev_get_name(rdev)); - if (delay >= 1000) { - mdelay(delay / 1000); - udelay(delay % 1000); - } else if (delay) { - udelay(delay); + /* + * Delay for the requested amount of time as per the guidelines in: + * + * Documentation/timers/timers-howto.txt + * + * The assumption here is that regulators will never be enabled in + * atomic context and therefore sleeping functions can be used. + */ + if (delay) { + unsigned int ms = delay / 1000; + unsigned int us = delay % 1000; + + if (ms > 0) { + /* + * For small enough values, handle super-millisecond + * delays in the usleep_range() call below. + */ + if (ms < 20) + us += ms * 1000; + else + msleep(ms); + } + + /* + * Give the scheduler some room to coalesce with any other + * wakeup sources. For delays shorter than 10 us, don't even + * bother setting up high-resolution timers and just busy- + * loop. + */ + if (us >= 10) + usleep_range(us, us + 100); + else + udelay(us); } trace_regulator_enable_complete(rdev_get_name(rdev)); @@ -2489,6 +2579,8 @@ static int _regulator_get_voltage(struct regulator_dev *rdev) ret = rdev->desc->ops->get_voltage(rdev); } else if (rdev->desc->ops->list_voltage) { ret = rdev->desc->ops->list_voltage(rdev, 0); + } else if (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1)) { + ret = rdev->desc->fixed_uV; } else { return -EINVAL; } @@ -2912,52 +3004,6 @@ err: } EXPORT_SYMBOL_GPL(regulator_bulk_get); -/** - * devm_regulator_bulk_get - managed get multiple regulator consumers - * - * @dev: Device to supply - * @num_consumers: Number of consumers to register - * @consumers: Configuration of consumers; clients are stored here. - * - * @return 0 on success, an errno on failure. - * - * This helper function allows drivers to get several regulator - * consumers in one operation with management, the regulators will - * automatically be freed when the device is unbound. If any of the - * regulators cannot be acquired then any regulators that were - * allocated will be freed before returning to the caller. - */ -int devm_regulator_bulk_get(struct device *dev, int num_consumers, - struct regulator_bulk_data *consumers) -{ - int i; - int ret; - - for (i = 0; i < num_consumers; i++) - consumers[i].consumer = NULL; - - for (i = 0; i < num_consumers; i++) { - consumers[i].consumer = devm_regulator_get(dev, - consumers[i].supply); - if (IS_ERR(consumers[i].consumer)) { - ret = PTR_ERR(consumers[i].consumer); - dev_err(dev, "Failed to get supply '%s': %d\n", - consumers[i].supply, ret); - consumers[i].consumer = NULL; - goto err; - } - } - - return 0; - -err: - for (i = 0; i < num_consumers && consumers[i].consumer; i++) - devm_regulator_put(consumers[i].consumer); - - return ret; -} -EXPORT_SYMBOL_GPL(devm_regulator_bulk_get); - static void regulator_bulk_enable_async(void *data, async_cookie_t cookie) { struct regulator_bulk_data *bulk = data; @@ -3170,7 +3216,8 @@ static int add_regulator_attributes(struct regulator_dev *rdev) /* some attributes need specific methods to be displayed */ if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) || (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0) || - (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0)) { + (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0) || + (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1))) { status = device_create_file(dev, &dev_attr_microvolts); if (status < 0) return status; @@ -3614,22 +3661,6 @@ void regulator_has_full_constraints(void) EXPORT_SYMBOL_GPL(regulator_has_full_constraints); /** - * regulator_use_dummy_regulator - Provide a dummy regulator when none is found - * - * Calling this function will cause the regulator API to provide a - * dummy regulator to consumers if no physical regulator is found, - * allowing most consumers to proceed as though a regulator were - * configured. This allows systems such as those with software - * controllable regulators for the CPU core only to be brought up more - * readily. - */ -void regulator_use_dummy_regulator(void) -{ - board_wants_dummy_regulator = true; -} -EXPORT_SYMBOL_GPL(regulator_use_dummy_regulator); - -/** * rdev_get_drvdata - get rdev regulator driver data * @rdev: regulator * diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c index f06854cf8cf5..b431ae357fcd 100644 --- a/drivers/regulator/da903x.c +++ b/drivers/regulator/da903x.c @@ -253,10 +253,8 @@ static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev, } static const struct regulator_linear_range da9034_ldo12_ranges[] = { - { .min_uV = 1700000, .max_uV = 2050000, .min_sel = 0, .max_sel = 7, - .uV_step = 50000 }, - { .min_uV = 2700000, .max_uV = 3050000, .min_sel = 8, .max_sel = 15, - .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(1700000, 0, 7, 50000), + REGULATOR_LINEAR_RANGE(2700000, 8, 15, 50000), }; static struct regulator_ops da903x_regulator_ldo_ops = { @@ -463,7 +461,7 @@ static int da903x_regulator_probe(struct platform_device *pdev) config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = ri; - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc.name); @@ -474,21 +472,12 @@ static int da903x_regulator_probe(struct platform_device *pdev) return 0; } -static int da903x_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - return 0; -} - static struct platform_driver da903x_regulator_driver = { .driver = { .name = "da903x-regulator", .owner = THIS_MODULE, }, .probe = da903x_regulator_probe, - .remove = da903x_regulator_remove, }; static int __init da903x_regulator_init(void) diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c index 1e4d483f6163..3adeaeffc485 100644 --- a/drivers/regulator/da9052-regulator.c +++ b/drivers/regulator/da9052-regulator.c @@ -70,6 +70,7 @@ struct da9052_regulator_info { int step_uV; int min_uV; int max_uV; + unsigned char activate_bit; }; struct da9052_regulator { @@ -209,6 +210,36 @@ static int da9052_map_voltage(struct regulator_dev *rdev, return sel; } +static int da9052_regulator_set_voltage_sel(struct regulator_dev *rdev, + unsigned int selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int id = rdev_get_id(rdev); + int ret; + + ret = da9052_reg_update(regulator->da9052, rdev->desc->vsel_reg, + rdev->desc->vsel_mask, selector); + if (ret < 0) + return ret; + + /* Some LDOs and DCDCs are DVC controlled which requires enabling of + * the activate bit to implment the changes on the output. + */ + switch (id) { + case DA9052_ID_BUCK1: + case DA9052_ID_BUCK2: + case DA9052_ID_BUCK3: + case DA9052_ID_LDO2: + case DA9052_ID_LDO3: + ret = da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG, + info->activate_bit, info->activate_bit); + break; + } + + return ret; +} + static struct regulator_ops da9052_dcdc_ops = { .get_current_limit = da9052_dcdc_get_current_limit, .set_current_limit = da9052_dcdc_set_current_limit, @@ -216,7 +247,7 @@ static struct regulator_ops da9052_dcdc_ops = { .list_voltage = da9052_list_voltage, .map_voltage = da9052_map_voltage, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_sel = da9052_regulator_set_voltage_sel, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -226,7 +257,7 @@ static struct regulator_ops da9052_ldo_ops = { .list_voltage = da9052_list_voltage, .map_voltage = da9052_map_voltage, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_sel = da9052_regulator_set_voltage_sel, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -243,14 +274,13 @@ static struct regulator_ops da9052_ldo_ops = { .owner = THIS_MODULE,\ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .vsel_mask = (1 << (sbits)) - 1,\ - .apply_reg = DA9052_SUPPLY_REG, \ - .apply_bit = (abits), \ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .enable_mask = 1 << (ebits),\ },\ .min_uV = (min) * 1000,\ .max_uV = (max) * 1000,\ .step_uV = (step) * 1000,\ + .activate_bit = (abits),\ } #define DA9052_DCDC(_id, step, min, max, sbits, ebits, abits) \ @@ -264,14 +294,13 @@ static struct regulator_ops da9052_ldo_ops = { .owner = THIS_MODULE,\ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .vsel_mask = (1 << (sbits)) - 1,\ - .apply_reg = DA9052_SUPPLY_REG, \ - .apply_bit = (abits), \ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .enable_mask = 1 << (ebits),\ },\ .min_uV = (min) * 1000,\ .max_uV = (max) * 1000,\ .step_uV = (step) * 1000,\ + .activate_bit = (abits),\ } static struct da9052_regulator_info da9052_regulator_info[] = { @@ -389,8 +418,9 @@ static int da9052_regulator_probe(struct platform_device *pdev) #endif } - regulator->rdev = regulator_register(®ulator->info->reg_desc, - &config); + regulator->rdev = devm_regulator_register(&pdev->dev, + ®ulator->info->reg_desc, + &config); if (IS_ERR(regulator->rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", regulator->info->reg_desc.name); @@ -402,17 +432,8 @@ static int da9052_regulator_probe(struct platform_device *pdev) return 0; } -static int da9052_regulator_remove(struct platform_device *pdev) -{ - struct da9052_regulator *regulator = platform_get_drvdata(pdev); - - regulator_unregister(regulator->rdev); - return 0; -} - static struct platform_driver da9052_regulator_driver = { .probe = da9052_regulator_probe, - .remove = da9052_regulator_remove, .driver = { .name = "da9052-regulator", .owner = THIS_MODULE, diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index 77b53e5a231c..7f340206d329 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c @@ -564,13 +564,13 @@ static int da9055_regulator_probe(struct platform_device *pdev) if (ret < 0) return ret; - regulator->rdev = regulator_register(®ulator->info->reg_desc, - &config); + regulator->rdev = devm_regulator_register(&pdev->dev, + ®ulator->info->reg_desc, + &config); if (IS_ERR(regulator->rdev)) { dev_err(&pdev->dev, "Failed to register regulator %s\n", regulator->info->reg_desc.name); - ret = PTR_ERR(regulator->rdev); - return ret; + return PTR_ERR(regulator->rdev); } /* Only LDO 5 and 6 has got the over current interrupt */ @@ -588,7 +588,7 @@ static int da9055_regulator_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Failed to request Regulator IRQ %d: %d\n", irq, ret); - goto err_regulator; + return ret; } } } @@ -596,24 +596,10 @@ static int da9055_regulator_probe(struct platform_device *pdev) platform_set_drvdata(pdev, regulator); return 0; - -err_regulator: - regulator_unregister(regulator->rdev); - return ret; -} - -static int da9055_regulator_remove(struct platform_device *pdev) -{ - struct da9055_regulator *regulator = platform_get_drvdata(pdev); - - regulator_unregister(regulator->rdev); - - return 0; } static struct platform_driver da9055_regulator_driver = { .probe = da9055_regulator_probe, - .remove = da9055_regulator_remove, .driver = { .name = "da9055-regulator", .owner = THIS_MODULE, diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index b9f2653e4ef9..56727eb745df 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -717,7 +717,7 @@ static int da9063_regulator_probe(struct platform_device *pdev) { struct da9063 *da9063 = dev_get_drvdata(pdev->dev.parent); struct da9063_pdata *da9063_pdata = dev_get_platdata(da9063->dev); - struct of_regulator_match *da9063_reg_matches; + struct of_regulator_match *da9063_reg_matches = NULL; struct da9063_regulators_pdata *regl_pdata; const struct da9063_dev_model *model; struct da9063_regulators *regulators; @@ -847,13 +847,13 @@ static int da9063_regulator_probe(struct platform_device *pdev) if (da9063_reg_matches) config.of_node = da9063_reg_matches[id].of_node; config.regmap = da9063->regmap; - regl->rdev = regulator_register(®l->desc, &config); + regl->rdev = devm_regulator_register(&pdev->dev, ®l->desc, + &config); if (IS_ERR(regl->rdev)) { dev_err(&pdev->dev, "Failed to register %s regulator\n", regl->desc.name); - ret = PTR_ERR(regl->rdev); - goto err; + return PTR_ERR(regl->rdev); } id++; n++; @@ -862,9 +862,8 @@ static int da9063_regulator_probe(struct platform_device *pdev) /* LDOs overcurrent event support */ irq = platform_get_irq_byname(pdev, "LDO_LIM"); if (irq < 0) { - ret = irq; dev_err(&pdev->dev, "Failed to get IRQ.\n"); - goto err; + return irq; } regulators->irq_ldo_lim = regmap_irq_get_virq(da9063->regmap_irq, irq); @@ -881,27 +880,15 @@ static int da9063_regulator_probe(struct platform_device *pdev) } return 0; - -err: - /* Wind back regulators registeration */ - while (--n >= 0) - regulator_unregister(regulators->regulator[n].rdev); - - return ret; } static int da9063_regulator_remove(struct platform_device *pdev) { struct da9063_regulators *regulators = platform_get_drvdata(pdev); - struct da9063_regulator *regl; free_irq(regulators->irq_ldo_lim, regulators); free_irq(regulators->irq_uvov, regulators); - for (regl = ®ulators->regulator[regulators->n_regulators - 1]; - regl >= ®ulators->regulator[0]; regl--) - regulator_unregister(regl->rdev); - return 0; } diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c index f0fe54b38977..6f5ecbe1132e 100644 --- a/drivers/regulator/da9210-regulator.c +++ b/drivers/regulator/da9210-regulator.c @@ -25,6 +25,7 @@ #include <linux/slab.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> #include <linux/regmap.h> #include "da9210-regulator.h" @@ -126,7 +127,8 @@ static int da9210_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct da9210 *chip; - struct da9210_pdata *pdata = i2c->dev.platform_data; + struct device *dev = &i2c->dev; + struct da9210_pdata *pdata = dev_get_platdata(dev); struct regulator_dev *rdev = NULL; struct regulator_config config = { }; int error; @@ -147,12 +149,13 @@ static int da9210_i2c_probe(struct i2c_client *i2c, } config.dev = &i2c->dev; - if (pdata) - config.init_data = &pdata->da9210_constraints; + config.init_data = pdata ? &pdata->da9210_constraints : + of_get_regulator_init_data(dev, dev->of_node); config.driver_data = chip; config.regmap = chip->regmap; + config.of_node = dev->of_node; - rdev = regulator_register(&da9210_reg, &config); + rdev = devm_regulator_register(&i2c->dev, &da9210_reg, &config); if (IS_ERR(rdev)) { dev_err(&i2c->dev, "Failed to register DA9210 regulator\n"); return PTR_ERR(rdev); @@ -165,13 +168,6 @@ static int da9210_i2c_probe(struct i2c_client *i2c, return 0; } -static int da9210_i2c_remove(struct i2c_client *i2c) -{ - struct da9210 *chip = i2c_get_clientdata(i2c); - regulator_unregister(chip->rdev); - return 0; -} - static const struct i2c_device_id da9210_i2c_id[] = { {"da9210", 0}, {}, @@ -185,7 +181,6 @@ static struct i2c_driver da9210_regulator_driver = { .owner = THIS_MODULE, }, .probe = da9210_i2c_probe, - .remove = da9210_i2c_remove, .id_table = da9210_i2c_id, }; diff --git a/drivers/regulator/devres.c b/drivers/regulator/devres.c new file mode 100644 index 000000000000..f44818b838dc --- /dev/null +++ b/drivers/regulator/devres.c @@ -0,0 +1,415 @@ +/* + * devres.c -- Voltage/Current Regulator framework devres implementation. + * + * Copyright 2013 Linaro Ltd + * + * 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. + * + */ + +#include <linux/kernel.h> +#include <linux/err.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/regulator/driver.h> +#include <linux/module.h> + +#include "internal.h" + +enum { + NORMAL_GET, + EXCLUSIVE_GET, + OPTIONAL_GET, +}; + +static void devm_regulator_release(struct device *dev, void *res) +{ + regulator_put(*(struct regulator **)res); +} + +static struct regulator *_devm_regulator_get(struct device *dev, const char *id, + int get_type) +{ + struct regulator **ptr, *regulator; + + ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + switch (get_type) { + case NORMAL_GET: + regulator = regulator_get(dev, id); + break; + case EXCLUSIVE_GET: + regulator = regulator_get_exclusive(dev, id); + break; + case OPTIONAL_GET: + regulator = regulator_get_optional(dev, id); + break; + default: + regulator = ERR_PTR(-EINVAL); + } + + if (!IS_ERR(regulator)) { + *ptr = regulator; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return regulator; +} + +/** + * devm_regulator_get - Resource managed regulator_get() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get(). Regulators returned from this function are + * automatically regulator_put() on driver detach. See regulator_get() for more + * information. + */ +struct regulator *devm_regulator_get(struct device *dev, const char *id) +{ + return _devm_regulator_get(dev, id, NORMAL_GET); +} +EXPORT_SYMBOL_GPL(devm_regulator_get); + +/** + * devm_regulator_get_exclusive - Resource managed regulator_get_exclusive() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get_exclusive(). Regulators returned from this function + * are automatically regulator_put() on driver detach. See regulator_get() for + * more information. + */ +struct regulator *devm_regulator_get_exclusive(struct device *dev, + const char *id) +{ + return _devm_regulator_get(dev, id, EXCLUSIVE_GET); +} +EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive); + +/** + * devm_regulator_get_optional - Resource managed regulator_get_optional() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get_optional(). Regulators returned from this + * function are automatically regulator_put() on driver detach. See + * regulator_get_optional() for more information. + */ +struct regulator *devm_regulator_get_optional(struct device *dev, + const char *id) +{ + return _devm_regulator_get(dev, id, OPTIONAL_GET); +} +EXPORT_SYMBOL_GPL(devm_regulator_get_optional); + +static int devm_regulator_match(struct device *dev, void *res, void *data) +{ + struct regulator **r = res; + if (!r || !*r) { + WARN_ON(!r || !*r); + return 0; + } + return *r == data; +} + +/** + * devm_regulator_put - Resource managed regulator_put() + * @regulator: regulator to free + * + * Deallocate a regulator allocated with devm_regulator_get(). Normally + * this function will not need to be called and the resource management + * code will ensure that the resource is freed. + */ +void devm_regulator_put(struct regulator *regulator) +{ + int rc; + + rc = devres_release(regulator->dev, devm_regulator_release, + devm_regulator_match, regulator); + if (rc != 0) + WARN_ON(rc); +} +EXPORT_SYMBOL_GPL(devm_regulator_put); + +/** + * devm_regulator_bulk_get - managed get multiple regulator consumers + * + * @dev: Device to supply + * @num_consumers: Number of consumers to register + * @consumers: Configuration of consumers; clients are stored here. + * + * @return 0 on success, an errno on failure. + * + * This helper function allows drivers to get several regulator + * consumers in one operation with management, the regulators will + * automatically be freed when the device is unbound. If any of the + * regulators cannot be acquired then any regulators that were + * allocated will be freed before returning to the caller. + */ +int devm_regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers) +{ + int i; + int ret; + + for (i = 0; i < num_consumers; i++) + consumers[i].consumer = NULL; + + for (i = 0; i < num_consumers; i++) { + consumers[i].consumer = devm_regulator_get(dev, + consumers[i].supply); + if (IS_ERR(consumers[i].consumer)) { + ret = PTR_ERR(consumers[i].consumer); + dev_err(dev, "Failed to get supply '%s': %d\n", + consumers[i].supply, ret); + consumers[i].consumer = NULL; + goto err; + } + } + + return 0; + +err: + for (i = 0; i < num_consumers && consumers[i].consumer; i++) + devm_regulator_put(consumers[i].consumer); + + return ret; +} +EXPORT_SYMBOL_GPL(devm_regulator_bulk_get); + +static void devm_rdev_release(struct device *dev, void *res) +{ + regulator_unregister(*(struct regulator_dev **)res); +} + +/** + * devm_regulator_register - Resource managed regulator_register() + * @regulator_desc: regulator to register + * @config: runtime configuration for regulator + * + * Called by regulator drivers to register a regulator. Returns a + * valid pointer to struct regulator_dev on success or an ERR_PTR() on + * error. The regulator will automatically be released when the device + * is unbound. + */ +struct regulator_dev *devm_regulator_register(struct device *dev, + const struct regulator_desc *regulator_desc, + const struct regulator_config *config) +{ + struct regulator_dev **ptr, *rdev; + + ptr = devres_alloc(devm_rdev_release, sizeof(*ptr), + GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + rdev = regulator_register(regulator_desc, config); + if (!IS_ERR(rdev)) { + *ptr = rdev; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return rdev; +} +EXPORT_SYMBOL_GPL(devm_regulator_register); + +static int devm_rdev_match(struct device *dev, void *res, void *data) +{ + struct regulator_dev **r = res; + if (!r || !*r) { + WARN_ON(!r || !*r); + return 0; + } + return *r == data; +} + +/** + * devm_regulator_unregister - Resource managed regulator_unregister() + * @regulator: regulator to free + * + * Unregister a regulator registered with devm_regulator_register(). + * Normally this function will not need to be called and the resource + * management code will ensure that the resource is freed. + */ +void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev) +{ + int rc; + + rc = devres_release(dev, devm_rdev_release, devm_rdev_match, rdev); + if (rc != 0) + WARN_ON(rc); +} +EXPORT_SYMBOL_GPL(devm_regulator_unregister); + +struct regulator_supply_alias_match { + struct device *dev; + const char *id; +}; + +static int devm_regulator_match_supply_alias(struct device *dev, void *res, + void *data) +{ + struct regulator_supply_alias_match *match = res; + struct regulator_supply_alias_match *target = data; + + return match->dev == target->dev && strcmp(match->id, target->id) == 0; +} + +static void devm_regulator_destroy_supply_alias(struct device *dev, void *res) +{ + struct regulator_supply_alias_match *match = res; + + regulator_unregister_supply_alias(match->dev, match->id); +} + +/** + * devm_regulator_register_supply_alias - Resource managed + * regulator_register_supply_alias() + * + * @dev: device that will be given as the regulator "consumer" + * @id: Supply name or regulator ID + * @alias_dev: device that should be used to lookup the supply + * @alias_id: Supply name or regulator ID that should be used to lookup the + * supply + * + * The supply alias will automatically be unregistered when the source + * device is unbound. + */ +int devm_regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id) +{ + struct regulator_supply_alias_match *match; + int ret; + + match = devres_alloc(devm_regulator_destroy_supply_alias, + sizeof(struct regulator_supply_alias_match), + GFP_KERNEL); + if (!match) + return -ENOMEM; + + match->dev = dev; + match->id = id; + + ret = regulator_register_supply_alias(dev, id, alias_dev, alias_id); + if (ret < 0) { + devres_free(match); + return ret; + } + + devres_add(dev, match); + + return 0; +} +EXPORT_SYMBOL_GPL(devm_regulator_register_supply_alias); + +/** + * devm_regulator_unregister_supply_alias - Resource managed + * regulator_unregister_supply_alias() + * + * @dev: device that will be given as the regulator "consumer" + * @id: Supply name or regulator ID + * + * Unregister an alias registered with + * devm_regulator_register_supply_alias(). Normally this function + * will not need to be called and the resource management code + * will ensure that the resource is freed. + */ +void devm_regulator_unregister_supply_alias(struct device *dev, const char *id) +{ + struct regulator_supply_alias_match match; + int rc; + + match.dev = dev; + match.id = id; + + rc = devres_release(dev, devm_regulator_destroy_supply_alias, + devm_regulator_match_supply_alias, &match); + if (rc != 0) + WARN_ON(rc); +} +EXPORT_SYMBOL_GPL(devm_regulator_unregister_supply_alias); + +/** + * devm_regulator_bulk_register_supply_alias - Managed register + * multiple aliases + * + * @dev: device that will be given as the regulator "consumer" + * @id: List of supply names or regulator IDs + * @alias_dev: device that should be used to lookup the supply + * @alias_id: List of supply names or regulator IDs that should be used to + * lookup the supply + * @num_id: Number of aliases to register + * + * @return 0 on success, an errno on failure. + * + * This helper function allows drivers to register several supply + * aliases in one operation, the aliases will be automatically + * unregisters when the source device is unbound. If any of the + * aliases cannot be registered any aliases that were registered + * will be removed before returning to the caller. + */ +int devm_regulator_bulk_register_supply_alias(struct device *dev, + const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id) +{ + int i; + int ret; + + for (i = 0; i < num_id; ++i) { + ret = devm_regulator_register_supply_alias(dev, id[i], + alias_dev, + alias_id[i]); + if (ret < 0) + goto err; + } + + return 0; + +err: + dev_err(dev, + "Failed to create supply alias %s,%s -> %s,%s\n", + id[i], dev_name(dev), alias_id[i], dev_name(alias_dev)); + + while (--i >= 0) + devm_regulator_unregister_supply_alias(dev, id[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(devm_regulator_bulk_register_supply_alias); + +/** + * devm_regulator_bulk_unregister_supply_alias - Managed unregister + * multiple aliases + * + * @dev: device that will be given as the regulator "consumer" + * @id: List of supply names or regulator IDs + * @num_id: Number of aliases to unregister + * + * Unregister aliases registered with + * devm_regulator_bulk_register_supply_alias(). Normally this function + * will not need to be called and the resource management code + * will ensure that the resource is freed. + */ +void devm_regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id) +{ + int i; + + for (i = 0; i < num_id; ++i) + devm_regulator_unregister_supply_alias(dev, id[i]); +} +EXPORT_SYMBOL_GPL(devm_regulator_bulk_unregister_supply_alias); diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c index 70b7220c587f..7ca3d9e3b0fe 100644 --- a/drivers/regulator/fan53555.c +++ b/drivers/regulator/fan53555.c @@ -218,9 +218,8 @@ static int fan53555_regulator_register(struct fan53555_device_info *di, rdesc->vsel_mask = VSEL_NSEL_MASK; rdesc->owner = THIS_MODULE; - di->rdev = regulator_register(&di->desc, config); + di->rdev = devm_regulator_register(di->dev, &di->desc, config); return PTR_ERR_OR_ZERO(di->rdev); - } static struct regmap_config fan53555_regmap_config = { @@ -291,14 +290,6 @@ static int fan53555_regulator_probe(struct i2c_client *client, } -static int fan53555_regulator_remove(struct i2c_client *client) -{ - struct fan53555_device_info *di = i2c_get_clientdata(client); - - regulator_unregister(di->rdev); - return 0; -} - static const struct i2c_device_id fan53555_id[] = { {"fan53555", -1}, { }, @@ -309,7 +300,6 @@ static struct i2c_driver fan53555_regulator_driver = { .name = "fan53555-regulator", }, .probe = fan53555_regulator_probe, - .remove = fan53555_regulator_remove, .id_table = fan53555_id, }; diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 7610920014d7..5ea64b94341c 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -34,7 +34,6 @@ struct fixed_voltage_data { struct regulator_desc desc; struct regulator_dev *dev; - int microvolts; }; @@ -108,30 +107,7 @@ of_get_fixed_voltage_config(struct device *dev) return config; } -static int fixed_voltage_get_voltage(struct regulator_dev *dev) -{ - struct fixed_voltage_data *data = rdev_get_drvdata(dev); - - if (data->microvolts) - return data->microvolts; - else - return -EINVAL; -} - -static int fixed_voltage_list_voltage(struct regulator_dev *dev, - unsigned selector) -{ - struct fixed_voltage_data *data = rdev_get_drvdata(dev); - - if (selector != 0) - return -EINVAL; - - return data->microvolts; -} - static struct regulator_ops fixed_voltage_ops = { - .get_voltage = fixed_voltage_get_voltage, - .list_voltage = fixed_voltage_list_voltage, }; static int reg_fixed_voltage_probe(struct platform_device *pdev) @@ -186,23 +162,21 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) if (config->microvolts) drvdata->desc.n_voltages = 1; - drvdata->microvolts = config->microvolts; + drvdata->desc.fixed_uV = config->microvolts; if (config->gpio >= 0) cfg.ena_gpio = config->gpio; cfg.ena_gpio_invert = !config->enable_high; if (config->enabled_at_boot) { - if (config->enable_high) { + if (config->enable_high) cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH; - } else { + else cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW; - } } else { - if (config->enable_high) { + if (config->enable_high) cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW; - } else { + else cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH; - } } if (config->gpio_is_open_drain) cfg.ena_gpio_flags |= GPIOF_OPEN_DRAIN; @@ -222,7 +196,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) platform_set_drvdata(pdev, drvdata); dev_dbg(&pdev->dev, "%s supplying %duV\n", drvdata->desc.name, - drvdata->microvolts); + drvdata->desc.fixed_uV); return 0; diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 98a98ffa7fe0..04406a918c04 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c @@ -283,7 +283,6 @@ static int gpio_regulator_probe(struct platform_device *pdev) dev_err(&pdev->dev, "No regulator type set\n"); ret = -EINVAL; goto err_memgpio; - break; } drvdata->nr_gpios = config->nr_gpios; diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c index 6e30df14714b..e221a271ba56 100644 --- a/drivers/regulator/helpers.c +++ b/drivers/regulator/helpers.c @@ -284,9 +284,13 @@ int regulator_map_voltage_linear_range(struct regulator_dev *rdev, } for (i = 0; i < rdev->desc->n_linear_ranges; i++) { + int linear_max_uV; + range = &rdev->desc->linear_ranges[i]; + linear_max_uV = range->min_uV + + (range->max_sel - range->min_sel) * range->uV_step; - if (!(min_uV <= range->max_uV && max_uV >= range->min_uV)) + if (!(min_uV <= linear_max_uV && max_uV >= range->min_uV)) continue; if (min_uV <= range->min_uV) diff --git a/drivers/regulator/internal.h b/drivers/regulator/internal.h new file mode 100644 index 000000000000..84bbda10c396 --- /dev/null +++ b/drivers/regulator/internal.h @@ -0,0 +1,38 @@ +/* + * internal.h -- Voltage/Current Regulator framework internal code + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * Copyright 2008 SlimLogic Ltd. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * 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. + * + */ + +#ifndef __REGULATOR_INTERNAL_H +#define __REGULATOR_INTERNAL_H + +/* + * struct regulator + * + * One for each consumer device. + */ +struct regulator { + struct device *dev; + struct list_head list; + unsigned int always_on:1; + unsigned int bypass:1; + int uA_load; + int min_uV; + int max_uV; + char *supply_name; + struct device_attribute dev_attr; + struct regulator_dev *rdev; + struct dentry *debugfs; +}; + +#endif diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c index 88c1a3acf563..6e5da95fa025 100644 --- a/drivers/regulator/isl6271a-regulator.c +++ b/drivers/regulator/isl6271a-regulator.c @@ -112,7 +112,7 @@ static int isl6271a_probe(struct i2c_client *i2c, struct regulator_config config = { }; struct regulator_init_data *init_data = dev_get_platdata(&i2c->dev); struct isl_pmic *pmic; - int err, i; + int i; if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; @@ -133,32 +133,17 @@ static int isl6271a_probe(struct i2c_client *i2c, config.init_data = NULL; config.driver_data = pmic; - pmic->rdev[i] = regulator_register(&isl_rd[i], &config); + pmic->rdev[i] = devm_regulator_register(&i2c->dev, &isl_rd[i], + &config); if (IS_ERR(pmic->rdev[i])) { dev_err(&i2c->dev, "failed to register %s\n", id->name); - err = PTR_ERR(pmic->rdev[i]); - goto error; + return PTR_ERR(pmic->rdev[i]); } } i2c_set_clientdata(i2c, pmic); return 0; - -error: - while (--i >= 0) - regulator_unregister(pmic->rdev[i]); - return err; -} - -static int isl6271a_remove(struct i2c_client *i2c) -{ - struct isl_pmic *pmic = i2c_get_clientdata(i2c); - int i; - - for (i = 0; i < 3; i++) - regulator_unregister(pmic->rdev[i]); - return 0; } static const struct i2c_device_id isl6271a_id[] = { @@ -174,7 +159,6 @@ static struct i2c_driver isl6271a_i2c_driver = { .owner = THIS_MODULE, }, .probe = isl6271a_probe, - .remove = isl6271a_remove, .id_table = isl6271a_id, }; diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c index 5a4604ee5ea5..947c05ffe0ab 100644 --- a/drivers/regulator/lp3971.c +++ b/drivers/regulator/lp3971.c @@ -474,8 +474,8 @@ static int lp3971_i2c_remove(struct i2c_client *i2c) } static const struct i2c_device_id lp3971_i2c_id[] = { - { "lp3971", 0 }, - { } + { "lp3971", 0 }, + { } }; MODULE_DEVICE_TABLE(i2c, lp3971_i2c_id); diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c index 2b84b727a3c4..2e4734ff79fc 100644 --- a/drivers/regulator/lp872x.c +++ b/drivers/regulator/lp872x.c @@ -785,7 +785,7 @@ static int lp872x_regulator_register(struct lp872x *lp) struct regulator_desc *desc; struct regulator_config cfg = { }; struct regulator_dev *rdev; - int i, ret; + int i; for (i = 0; i < lp->num_regulators; i++) { desc = (lp->chipid == LP8720) ? &lp8720_regulator_desc[i] : @@ -796,34 +796,16 @@ static int lp872x_regulator_register(struct lp872x *lp) cfg.driver_data = lp; cfg.regmap = lp->regmap; - rdev = regulator_register(desc, &cfg); + rdev = devm_regulator_register(lp->dev, desc, &cfg); if (IS_ERR(rdev)) { dev_err(lp->dev, "regulator register err"); - ret = PTR_ERR(rdev); - goto err; + return PTR_ERR(rdev); } *(lp->regulators + i) = rdev; } return 0; -err: - while (--i >= 0) { - rdev = *(lp->regulators + i); - regulator_unregister(rdev); - } - return ret; -} - -static void lp872x_regulator_unregister(struct lp872x *lp) -{ - struct regulator_dev *rdev; - int i; - - for (i = 0; i < lp->num_regulators; i++) { - rdev = *(lp->regulators + i); - regulator_unregister(rdev); - } } static const struct regmap_config lp872x_regmap_config = { @@ -979,14 +961,6 @@ err_dev: return ret; } -static int lp872x_remove(struct i2c_client *cl) -{ - struct lp872x *lp = i2c_get_clientdata(cl); - - lp872x_regulator_unregister(lp); - return 0; -} - static const struct of_device_id lp872x_dt_ids[] = { { .compatible = "ti,lp8720", }, { .compatible = "ti,lp8725", }, @@ -1008,7 +982,6 @@ static struct i2c_driver lp872x_driver = { .of_match_table = of_match_ptr(lp872x_dt_ids), }, .probe = lp872x_probe, - .remove = lp872x_remove, .id_table = lp872x_ids, }; diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c index 0b015f2a7fd9..948afc249e29 100644 --- a/drivers/regulator/lp8788-buck.c +++ b/drivers/regulator/lp8788-buck.c @@ -515,7 +515,7 @@ static int lp8788_buck_probe(struct platform_device *pdev) cfg.driver_data = buck; cfg.regmap = lp->regmap; - rdev = regulator_register(&lp8788_buck_desc[id], &cfg); + rdev = devm_regulator_register(&pdev->dev, &lp8788_buck_desc[id], &cfg); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(&pdev->dev, "BUCK%d regulator register err = %d\n", @@ -529,18 +529,8 @@ static int lp8788_buck_probe(struct platform_device *pdev) return 0; } -static int lp8788_buck_remove(struct platform_device *pdev) -{ - struct lp8788_buck *buck = platform_get_drvdata(pdev); - - regulator_unregister(buck->regulator); - - return 0; -} - static struct platform_driver lp8788_buck_driver = { .probe = lp8788_buck_probe, - .remove = lp8788_buck_remove, .driver = { .name = LP8788_DEV_BUCK, .owner = THIS_MODULE, diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c index 0527d87c6dd5..b9a29a29933f 100644 --- a/drivers/regulator/lp8788-ldo.c +++ b/drivers/regulator/lp8788-ldo.c @@ -543,7 +543,7 @@ static int lp8788_dldo_probe(struct platform_device *pdev) cfg.driver_data = ldo; cfg.regmap = lp->regmap; - rdev = regulator_register(&lp8788_dldo_desc[id], &cfg); + rdev = devm_regulator_register(&pdev->dev, &lp8788_dldo_desc[id], &cfg); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(&pdev->dev, "DLDO%d regulator register err = %d\n", @@ -557,18 +557,8 @@ static int lp8788_dldo_probe(struct platform_device *pdev) return 0; } -static int lp8788_dldo_remove(struct platform_device *pdev) -{ - struct lp8788_ldo *ldo = platform_get_drvdata(pdev); - - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver lp8788_dldo_driver = { .probe = lp8788_dldo_probe, - .remove = lp8788_dldo_remove, .driver = { .name = LP8788_DEV_DLDO, .owner = THIS_MODULE, @@ -603,7 +593,7 @@ static int lp8788_aldo_probe(struct platform_device *pdev) cfg.driver_data = ldo; cfg.regmap = lp->regmap; - rdev = regulator_register(&lp8788_aldo_desc[id], &cfg); + rdev = devm_regulator_register(&pdev->dev, &lp8788_aldo_desc[id], &cfg); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(&pdev->dev, "ALDO%d regulator register err = %d\n", @@ -617,18 +607,8 @@ static int lp8788_aldo_probe(struct platform_device *pdev) return 0; } -static int lp8788_aldo_remove(struct platform_device *pdev) -{ - struct lp8788_ldo *ldo = platform_get_drvdata(pdev); - - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver lp8788_aldo_driver = { .probe = lp8788_aldo_probe, - .remove = lp8788_aldo_remove, .driver = { .name = LP8788_DEV_ALDO, .owner = THIS_MODULE, diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c index 3a599ee0a456..e242dd316d36 100644 --- a/drivers/regulator/max1586.c +++ b/drivers/regulator/max1586.c @@ -166,7 +166,7 @@ static int max1586_pmic_probe(struct i2c_client *client, struct max1586_platform_data *pdata = dev_get_platdata(&client->dev); struct regulator_config config = { }; struct max1586_data *max1586; - int i, id, ret = -ENOMEM; + int i, id; max1586 = devm_kzalloc(&client->dev, sizeof(struct max1586_data) + sizeof(struct regulator_dev *) * (MAX1586_V6 + 1), @@ -193,7 +193,7 @@ static int max1586_pmic_probe(struct i2c_client *client, continue; if (id < MAX1586_V3 || id > MAX1586_V6) { dev_err(&client->dev, "invalid regulator id %d\n", id); - goto err; + return -EINVAL; } if (id == MAX1586_V3) { @@ -207,33 +207,18 @@ static int max1586_pmic_probe(struct i2c_client *client, config.init_data = pdata->subdevs[i].platform_data; config.driver_data = max1586; - rdev[i] = regulator_register(&max1586_reg[id], &config); + rdev[i] = devm_regulator_register(&client->dev, + &max1586_reg[id], &config); if (IS_ERR(rdev[i])) { - ret = PTR_ERR(rdev[i]); dev_err(&client->dev, "failed to register %s\n", max1586_reg[id].name); - goto err; + return PTR_ERR(rdev[i]); } } i2c_set_clientdata(client, max1586); dev_info(&client->dev, "Maxim 1586 regulator driver loaded\n"); return 0; - -err: - while (--i >= 0) - regulator_unregister(rdev[i]); - return ret; -} - -static int max1586_pmic_remove(struct i2c_client *client) -{ - struct max1586_data *max1586 = i2c_get_clientdata(client); - int i; - - for (i = 0; i <= MAX1586_V6; i++) - regulator_unregister(max1586->rdev[i]); - return 0; } static const struct i2c_device_id max1586_id[] = { @@ -244,7 +229,6 @@ MODULE_DEVICE_TABLE(i2c, max1586_id); static struct i2c_driver max1586_pmic_driver = { .probe = max1586_pmic_probe, - .remove = max1586_pmic_remove, .driver = { .name = "max1586", .owner = THIS_MODULE, diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c index f563057e5690..ae001ccf26f4 100644 --- a/drivers/regulator/max77686.c +++ b/drivers/regulator/max77686.c @@ -478,32 +478,16 @@ static int max77686_pmic_probe(struct platform_device *pdev) config.of_node = pdata->regulators[i].of_node; max77686->opmode[i] = regulators[i].enable_mask; - max77686->rdev[i] = regulator_register(®ulators[i], &config); + max77686->rdev[i] = devm_regulator_register(&pdev->dev, + ®ulators[i], &config); if (IS_ERR(max77686->rdev[i])) { - ret = PTR_ERR(max77686->rdev[i]); dev_err(&pdev->dev, "regulator init failed for %d\n", i); - max77686->rdev[i] = NULL; - goto err; + return PTR_ERR(max77686->rdev[i]); } } return 0; -err: - while (--i >= 0) - regulator_unregister(max77686->rdev[i]); - return ret; -} - -static int max77686_pmic_remove(struct platform_device *pdev) -{ - struct max77686_data *max77686 = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < MAX77686_REGULATORS; i++) - regulator_unregister(max77686->rdev[i]); - - return 0; } static const struct platform_device_id max77686_pmic_id[] = { @@ -518,7 +502,6 @@ static struct platform_driver max77686_pmic_driver = { .owner = THIS_MODULE, }, .probe = max77686_pmic_probe, - .remove = max77686_pmic_remove, .id_table = max77686_pmic_id, }; diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c index ce4b96c15eba..feb20bf4ccab 100644 --- a/drivers/regulator/max77693.c +++ b/drivers/regulator/max77693.c @@ -230,7 +230,7 @@ static int max77693_pmic_probe(struct platform_device *pdev) struct max77693_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct max77693_pmic_dev *max77693_pmic; struct max77693_regulator_data *rdata = NULL; - int num_rdata, i, ret; + int num_rdata, i; struct regulator_config config; num_rdata = max77693_pmic_init_rdata(&pdev->dev, &rdata); @@ -266,36 +266,16 @@ static int max77693_pmic_probe(struct platform_device *pdev) config.init_data = rdata[i].initdata; config.of_node = rdata[i].of_node; - max77693_pmic->rdev[i] = regulator_register(®ulators[id], - &config); + max77693_pmic->rdev[i] = devm_regulator_register(&pdev->dev, + ®ulators[id], &config); if (IS_ERR(max77693_pmic->rdev[i])) { - ret = PTR_ERR(max77693_pmic->rdev[i]); dev_err(max77693_pmic->dev, "Failed to initialize regulator-%d\n", id); - max77693_pmic->rdev[i] = NULL; - goto err; + return PTR_ERR(max77693_pmic->rdev[i]); } } return 0; - err: - while (--i >= 0) - regulator_unregister(max77693_pmic->rdev[i]); - - return ret; -} - -static int max77693_pmic_remove(struct platform_device *pdev) -{ - struct max77693_pmic_dev *max77693_pmic = platform_get_drvdata(pdev); - struct regulator_dev **rdev = max77693_pmic->rdev; - int i; - - for (i = 0; i < max77693_pmic->num_regulators; i++) - if (rdev[i]) - regulator_unregister(rdev[i]); - - return 0; } static const struct platform_device_id max77693_pmic_id[] = { @@ -311,7 +291,6 @@ static struct platform_driver max77693_pmic_driver = { .owner = THIS_MODULE, }, .probe = max77693_pmic_probe, - .remove = max77693_pmic_remove, .id_table = max77693_pmic_id, }; diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c index 19c6f08eafd5..7f049c92ee52 100644 --- a/drivers/regulator/max8649.c +++ b/drivers/regulator/max8649.c @@ -234,7 +234,8 @@ static int max8649_regulator_probe(struct i2c_client *client, config.driver_data = info; config.regmap = info->regmap; - info->regulator = regulator_register(&dcdc_desc, &config); + info->regulator = devm_regulator_register(&client->dev, &dcdc_desc, + &config); if (IS_ERR(info->regulator)) { dev_err(info->dev, "failed to register regulator %s\n", dcdc_desc.name); @@ -244,16 +245,6 @@ static int max8649_regulator_probe(struct i2c_client *client, return 0; } -static int max8649_regulator_remove(struct i2c_client *client) -{ - struct max8649_regulator_info *info = i2c_get_clientdata(client); - - if (info) - regulator_unregister(info->regulator); - - return 0; -} - static const struct i2c_device_id max8649_id[] = { { "max8649", 0 }, { } @@ -262,7 +253,6 @@ MODULE_DEVICE_TABLE(i2c, max8649_id); static struct i2c_driver max8649_driver = { .probe = max8649_regulator_probe, - .remove = max8649_regulator_remove, .driver = { .name = "max8649", }, diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c index 144bcacd734d..8d94d3d7f97f 100644 --- a/drivers/regulator/max8660.c +++ b/drivers/regulator/max8660.c @@ -439,7 +439,7 @@ static int max8660_probe(struct i2c_client *client, for (i = 0; i < pdata->num_subdevs; i++) { if (!pdata->subdevs[i].platform_data) - goto err_out; + return ret; boot_on = pdata->subdevs[i].platform_data->constraints.boot_on; @@ -465,7 +465,7 @@ static int max8660_probe(struct i2c_client *client, case MAX8660_V7: if (type == MAX8661) { dev_err(dev, "Regulator not on this chip!\n"); - goto err_out; + return -EINVAL; } if (boot_on) @@ -475,7 +475,7 @@ static int max8660_probe(struct i2c_client *client, default: dev_err(dev, "invalid regulator %s\n", pdata->subdevs[i].name); - goto err_out; + return ret; } } @@ -489,33 +489,18 @@ static int max8660_probe(struct i2c_client *client, config.of_node = of_node[i]; config.driver_data = max8660; - rdev[i] = regulator_register(&max8660_reg[id], &config); + rdev[i] = devm_regulator_register(&client->dev, + &max8660_reg[id], &config); if (IS_ERR(rdev[i])) { ret = PTR_ERR(rdev[i]); - dev_err(dev, "failed to register %s\n", + dev_err(&client->dev, "failed to register %s\n", max8660_reg[id].name); - goto err_unregister; + return PTR_ERR(rdev[i]); } } i2c_set_clientdata(client, max8660); return 0; - -err_unregister: - while (--i >= 0) - regulator_unregister(rdev[i]); -err_out: - return ret; -} - -static int max8660_remove(struct i2c_client *client) -{ - struct max8660 *max8660 = i2c_get_clientdata(client); - int i; - - for (i = 0; i < MAX8660_V_END; i++) - regulator_unregister(max8660->rdev[i]); - return 0; } static const struct i2c_device_id max8660_id[] = { @@ -527,7 +512,6 @@ MODULE_DEVICE_TABLE(i2c, max8660_id); static struct i2c_driver max8660_driver = { .probe = max8660_probe, - .remove = max8660_remove, .driver = { .name = "max8660", .owner = THIS_MODULE, diff --git a/drivers/regulator/max8907-regulator.c b/drivers/regulator/max8907-regulator.c index 4568c15fa78d..0c5fe6c6ac26 100644 --- a/drivers/regulator/max8907-regulator.c +++ b/drivers/regulator/max8907-regulator.c @@ -350,33 +350,17 @@ static int max8907_regulator_probe(struct platform_device *pdev) pmic->desc[i].ops = &max8907_out5v_hwctl_ops; } - pmic->rdev[i] = regulator_register(&pmic->desc[i], &config); + pmic->rdev[i] = devm_regulator_register(&pdev->dev, + &pmic->desc[i], &config); if (IS_ERR(pmic->rdev[i])) { dev_err(&pdev->dev, "failed to register %s regulator\n", pmic->desc[i].name); - ret = PTR_ERR(pmic->rdev[i]); - goto err_unregister_regulator; + return PTR_ERR(pmic->rdev[i]); } } return 0; - -err_unregister_regulator: - while (--i >= 0) - regulator_unregister(pmic->rdev[i]); - return ret; -} - -static int max8907_regulator_remove(struct platform_device *pdev) -{ - struct max8907_regulator *pmic = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < MAX8907_NUM_REGULATORS; i++) - regulator_unregister(pmic->rdev[i]); - - return 0; } static struct platform_driver max8907_regulator_driver = { @@ -385,7 +369,6 @@ static struct platform_driver max8907_regulator_driver = { .owner = THIS_MODULE, }, .probe = max8907_regulator_probe, - .remove = max8907_regulator_remove, }; static int __init max8907_regulator_init(void) diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c index d80b5fa758ae..759510789e71 100644 --- a/drivers/regulator/max8925-regulator.c +++ b/drivers/regulator/max8925-regulator.c @@ -312,7 +312,7 @@ static int max8925_regulator_probe(struct platform_device *pdev) if (pdata) config.init_data = pdata; - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc.name); @@ -323,22 +323,12 @@ static int max8925_regulator_probe(struct platform_device *pdev) return 0; } -static int max8925_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - - return 0; -} - static struct platform_driver max8925_regulator_driver = { .driver = { .name = "max8925-regulator", .owner = THIS_MODULE, }, .probe = max8925_regulator_probe, - .remove = max8925_regulator_remove, }; static int __init max8925_regulator_init(void) diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index 5b77ab7762e4..892aa1e5b96c 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c @@ -467,7 +467,7 @@ static int max8973_probe(struct i2c_client *client, config.regmap = max->regmap; /* Register the regulators */ - rdev = regulator_register(&max->desc, &config); + rdev = devm_regulator_register(&client->dev, &max->desc, &config); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(max->dev, "regulator register failed, err %d\n", ret); @@ -478,14 +478,6 @@ static int max8973_probe(struct i2c_client *client, return 0; } -static int max8973_remove(struct i2c_client *client) -{ - struct max8973_chip *max = i2c_get_clientdata(client); - - regulator_unregister(max->rdev); - return 0; -} - static const struct i2c_device_id max8973_id[] = { {.name = "max8973",}, {}, @@ -499,7 +491,6 @@ static struct i2c_driver max8973_i2c_driver = { .owner = THIS_MODULE, }, .probe = max8973_probe, - .remove = max8973_remove, .id_table = max8973_id, }; diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index df20069f0537..2d618fc9c1af 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -690,8 +690,9 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev, if (max8997->ignore_gpiodvs_side_effect == false) return -EINVAL; - dev_warn(&rdev->dev, "MAX8997 GPIO-DVS Side Effect Warning: GPIO SET:" - " %d -> %d\n", max8997->buck125_gpioindex, tmp_idx); + dev_warn(&rdev->dev, + "MAX8997 GPIO-DVS Side Effect Warning: GPIO SET: %d -> %d\n", + max8997->buck125_gpioindex, tmp_idx); out: if (new_idx < 0 || new_val < 0) @@ -1081,7 +1082,7 @@ static int max8997_pmic_probe(struct platform_device *pdev) pdata->buck1_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) - goto err_out; + return ret; max8997->buck2_vol[i] = ret = max8997_get_voltage_proper_val( @@ -1090,7 +1091,7 @@ static int max8997_pmic_probe(struct platform_device *pdev) pdata->buck2_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) - goto err_out; + return ret; max8997->buck5_vol[i] = ret = max8997_get_voltage_proper_val( @@ -1099,7 +1100,7 @@ static int max8997_pmic_probe(struct platform_device *pdev) pdata->buck5_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) - goto err_out; + return ret; if (max_buck1 < max8997->buck1_vol[i]) max_buck1 = max8997->buck1_vol[i]; @@ -1143,24 +1144,23 @@ static int max8997_pmic_probe(struct platform_device *pdev) !gpio_is_valid(pdata->buck125_gpios[1]) || !gpio_is_valid(pdata->buck125_gpios[2])) { dev_err(&pdev->dev, "GPIO NOT VALID\n"); - ret = -EINVAL; - goto err_out; + return -EINVAL; } ret = devm_gpio_request(&pdev->dev, pdata->buck125_gpios[0], "MAX8997 SET1"); if (ret) - goto err_out; + return ret; ret = devm_gpio_request(&pdev->dev, pdata->buck125_gpios[1], "MAX8997 SET2"); if (ret) - goto err_out; + return ret; ret = devm_gpio_request(&pdev->dev, pdata->buck125_gpios[2], "MAX8997 SET3"); if (ret) - goto err_out; + return ret; gpio_direction_output(pdata->buck125_gpios[0], (max8997->buck125_gpioindex >> 2) @@ -1205,33 +1205,16 @@ static int max8997_pmic_probe(struct platform_device *pdev) config.driver_data = max8997; config.of_node = pdata->regulators[i].reg_node; - rdev[i] = regulator_register(®ulators[id], &config); + rdev[i] = devm_regulator_register(&pdev->dev, ®ulators[id], + &config); if (IS_ERR(rdev[i])) { - ret = PTR_ERR(rdev[i]); dev_err(max8997->dev, "regulator init failed for %d\n", id); - rdev[i] = NULL; - goto err; + return PTR_ERR(rdev[i]); } } return 0; -err: - while (--i >= 0) - regulator_unregister(rdev[i]); -err_out: - return ret; -} - -static int max8997_pmic_remove(struct platform_device *pdev) -{ - struct max8997_data *max8997 = platform_get_drvdata(pdev); - struct regulator_dev **rdev = max8997->rdev; - int i; - - for (i = 0; i < max8997->num_regulators; i++) - regulator_unregister(rdev[i]); - return 0; } static const struct platform_device_id max8997_pmic_id[] = { @@ -1246,7 +1229,6 @@ static struct platform_driver max8997_pmic_driver = { .owner = THIS_MODULE, }, .probe = max8997_pmic_probe, - .remove = max8997_pmic_remove, .id_table = max8997_pmic_id, }; diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index a4c53b2d1aaf..ae3f0656feb0 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -790,16 +790,14 @@ static int max8998_pmic_probe(struct platform_device *pdev) dev_err(&pdev->dev, "MAX8998 SET1 GPIO defined as 0 !\n"); WARN_ON(!pdata->buck1_set1); - ret = -EIO; - goto err_out; + return -EIO; } /* Check if SET2 is not equal to 0 */ if (!pdata->buck1_set2) { dev_err(&pdev->dev, "MAX8998 SET2 GPIO defined as 0 !\n"); WARN_ON(!pdata->buck1_set2); - ret = -EIO; - goto err_out; + return -EIO; } gpio_request(pdata->buck1_set1, "MAX8998 BUCK1_SET1"); @@ -823,7 +821,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE1 + v, i); if (ret) - goto err_out; + return ret; } } @@ -833,8 +831,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) dev_err(&pdev->dev, "MAX8998 SET3 GPIO defined as 0 !\n"); WARN_ON(!pdata->buck2_set3); - ret = -EIO; - goto err_out; + return -EIO; } gpio_request(pdata->buck2_set3, "MAX8998 BUCK2_SET3"); gpio_direction_output(pdata->buck2_set3, @@ -852,7 +849,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE1 + v, i); if (ret) - goto err_out; + return ret; } } @@ -875,34 +872,19 @@ static int max8998_pmic_probe(struct platform_device *pdev) config.init_data = pdata->regulators[i].initdata; config.driver_data = max8998; - rdev[i] = regulator_register(®ulators[index], &config); + rdev[i] = devm_regulator_register(&pdev->dev, + ®ulators[index], &config); if (IS_ERR(rdev[i])) { ret = PTR_ERR(rdev[i]); dev_err(max8998->dev, "regulator %s init failed (%d)\n", regulators[index].name, ret); rdev[i] = NULL; - goto err; + return ret; } } return 0; -err: - while (--i >= 0) - regulator_unregister(rdev[i]); -err_out: - return ret; -} - -static int max8998_pmic_remove(struct platform_device *pdev) -{ - struct max8998_data *max8998 = platform_get_drvdata(pdev); - struct regulator_dev **rdev = max8998->rdev; - int i; - - for (i = 0; i < max8998->num_regulators; i++) - regulator_unregister(rdev[i]); - return 0; } static const struct platform_device_id max8998_pmic_id[] = { @@ -918,7 +900,6 @@ static struct platform_driver max8998_pmic_driver = { .owner = THIS_MODULE, }, .probe = max8998_pmic_probe, - .remove = max8998_pmic_remove, .id_table = max8998_pmic_id, }; diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c index 5ff99d2703db..7f4a67edf780 100644 --- a/drivers/regulator/mc13783-regulator.c +++ b/drivers/regulator/mc13783-regulator.c @@ -258,34 +258,34 @@ static struct mc13xxx_regulator mc13783_regulators[] = { MC13783_FIXED_DEFINE(REG, VAUDIO, REGULATORMODE0, mc13783_vaudio_val), MC13783_FIXED_DEFINE(REG, VIOHI, REGULATORMODE0, mc13783_viohi_val), - MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0, mc13783_violo_val), - MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, mc13783_vdig_val), - MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0, mc13783_vgen_val), - MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfdig_val), - MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfref_val), - MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfcp_val), - MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0, mc13783_vsim_val), - MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0, mc13783_vesim_val), - MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, mc13783_vcam_val), MC13783_FIXED_DEFINE(REG, VRFBG, REGULATORMODE1, mc13783_vrfbg_val), - MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1, mc13783_vvib_val), - MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1, mc13783_vrf_val), - MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1, mc13783_vrf_val), - MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1, mc13783_vmmc_val), - MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1, mc13783_vmmc_val), MC13783_GPO_DEFINE(REG, GPO1, POWERMISC, mc13783_gpo_val), MC13783_GPO_DEFINE(REG, GPO2, POWERMISC, mc13783_gpo_val), @@ -400,7 +400,7 @@ static int mc13783_regulator_probe(struct platform_device *pdev) dev_get_platdata(&pdev->dev); struct mc13xxx_regulator_init_data *mc13xxx_data; struct regulator_config config = { }; - int i, ret, num_regulators; + int i, num_regulators; num_regulators = mc13xxx_get_num_regulators_dt(pdev); @@ -444,32 +444,16 @@ static int mc13783_regulator_probe(struct platform_device *pdev) config.driver_data = priv; config.of_node = node; - priv->regulators[i] = regulator_register(desc, &config); + priv->regulators[i] = devm_regulator_register(&pdev->dev, desc, + &config); if (IS_ERR(priv->regulators[i])) { dev_err(&pdev->dev, "failed to register regulator %s\n", mc13783_regulators[i].desc.name); - ret = PTR_ERR(priv->regulators[i]); - goto err; + return PTR_ERR(priv->regulators[i]); } } return 0; -err: - while (--i >= 0) - regulator_unregister(priv->regulators[i]); - - return ret; -} - -static int mc13783_regulator_remove(struct platform_device *pdev) -{ - struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < priv->num_regulators; i++) - regulator_unregister(priv->regulators[i]); - - return 0; } static struct platform_driver mc13783_regulator_driver = { @@ -477,7 +461,6 @@ static struct platform_driver mc13783_regulator_driver = { .name = "mc13783-regulator", .owner = THIS_MODULE, }, - .remove = mc13783_regulator_remove, .probe = mc13783_regulator_probe, }; diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c index 1037e07937cf..96c9f80d9550 100644 --- a/drivers/regulator/mc13892-regulator.c +++ b/drivers/regulator/mc13892-regulator.c @@ -611,43 +611,27 @@ static int mc13892_regulator_probe(struct platform_device *pdev) config.driver_data = priv; config.of_node = node; - priv->regulators[i] = regulator_register(desc, &config); + priv->regulators[i] = devm_regulator_register(&pdev->dev, desc, + &config); if (IS_ERR(priv->regulators[i])) { dev_err(&pdev->dev, "failed to register regulator %s\n", mc13892_regulators[i].desc.name); - ret = PTR_ERR(priv->regulators[i]); - goto err; + return PTR_ERR(priv->regulators[i]); } } return 0; -err: - while (--i >= 0) - regulator_unregister(priv->regulators[i]); - return ret; err_unlock: mc13xxx_unlock(mc13892); return ret; } -static int mc13892_regulator_remove(struct platform_device *pdev) -{ - struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < priv->num_regulators; i++) - regulator_unregister(priv->regulators[i]); - - return 0; -} - static struct platform_driver mc13892_regulator_driver = { .driver = { .name = "mc13892-regulator", .owner = THIS_MODULE, }, - .remove = mc13892_regulator_remove, .probe = mc13892_regulator_probe, }; diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 7827384680d6..ea4f36f2cbe2 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -23,6 +23,8 @@ static void of_get_regulation_constraints(struct device_node *np, const __be32 *min_uA, *max_uA, *ramp_delay; struct property *prop; struct regulation_constraints *constraints = &(*init_data)->constraints; + int ret; + u32 pval; constraints->name = of_get_property(np, "regulator-name", NULL); @@ -73,6 +75,10 @@ static void of_get_regulation_constraints(struct device_node *np, else constraints->ramp_disable = true; } + + ret = of_property_read_u32(np, "regulator-enable-ramp-delay", &pval); + if (!ret) + constraints->enable_time = pval; } /** diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 7e2b165972e6..9c62b1d34685 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -33,6 +33,7 @@ struct regs_info { u8 vsel_addr; u8 ctrl_addr; u8 tstep_addr; + int sleep_id; }; static const struct regs_info palmas_regs_info[] = { @@ -42,6 +43,7 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS12_VOLTAGE, .ctrl_addr = PALMAS_SMPS12_CTRL, .tstep_addr = PALMAS_SMPS12_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS12, }, { .name = "SMPS123", @@ -49,12 +51,14 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS12_VOLTAGE, .ctrl_addr = PALMAS_SMPS12_CTRL, .tstep_addr = PALMAS_SMPS12_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS12, }, { .name = "SMPS3", .sname = "smps3-in", .vsel_addr = PALMAS_SMPS3_VOLTAGE, .ctrl_addr = PALMAS_SMPS3_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS3, }, { .name = "SMPS45", @@ -62,6 +66,7 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS45_VOLTAGE, .ctrl_addr = PALMAS_SMPS45_CTRL, .tstep_addr = PALMAS_SMPS45_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS45, }, { .name = "SMPS457", @@ -69,6 +74,7 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS45_VOLTAGE, .ctrl_addr = PALMAS_SMPS45_CTRL, .tstep_addr = PALMAS_SMPS45_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS45, }, { .name = "SMPS6", @@ -76,12 +82,14 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS6_VOLTAGE, .ctrl_addr = PALMAS_SMPS6_CTRL, .tstep_addr = PALMAS_SMPS6_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS6, }, { .name = "SMPS7", .sname = "smps7-in", .vsel_addr = PALMAS_SMPS7_VOLTAGE, .ctrl_addr = PALMAS_SMPS7_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS7, }, { .name = "SMPS8", @@ -89,108 +97,128 @@ static const struct regs_info palmas_regs_info[] = { .vsel_addr = PALMAS_SMPS8_VOLTAGE, .ctrl_addr = PALMAS_SMPS8_CTRL, .tstep_addr = PALMAS_SMPS8_TSTEP, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS8, }, { .name = "SMPS9", .sname = "smps9-in", .vsel_addr = PALMAS_SMPS9_VOLTAGE, .ctrl_addr = PALMAS_SMPS9_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS9, }, { .name = "SMPS10_OUT2", .sname = "smps10-in", .ctrl_addr = PALMAS_SMPS10_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10, }, { .name = "SMPS10_OUT1", .sname = "smps10-out2", .ctrl_addr = PALMAS_SMPS10_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10, }, { .name = "LDO1", .sname = "ldo1-in", .vsel_addr = PALMAS_LDO1_VOLTAGE, .ctrl_addr = PALMAS_LDO1_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO1, }, { .name = "LDO2", .sname = "ldo2-in", .vsel_addr = PALMAS_LDO2_VOLTAGE, .ctrl_addr = PALMAS_LDO2_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO2, }, { .name = "LDO3", .sname = "ldo3-in", .vsel_addr = PALMAS_LDO3_VOLTAGE, .ctrl_addr = PALMAS_LDO3_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO3, }, { .name = "LDO4", .sname = "ldo4-in", .vsel_addr = PALMAS_LDO4_VOLTAGE, .ctrl_addr = PALMAS_LDO4_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO4, }, { .name = "LDO5", .sname = "ldo5-in", .vsel_addr = PALMAS_LDO5_VOLTAGE, .ctrl_addr = PALMAS_LDO5_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO5, }, { .name = "LDO6", .sname = "ldo6-in", .vsel_addr = PALMAS_LDO6_VOLTAGE, .ctrl_addr = PALMAS_LDO6_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO6, }, { .name = "LDO7", .sname = "ldo7-in", .vsel_addr = PALMAS_LDO7_VOLTAGE, .ctrl_addr = PALMAS_LDO7_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO7, }, { .name = "LDO8", .sname = "ldo8-in", .vsel_addr = PALMAS_LDO8_VOLTAGE, .ctrl_addr = PALMAS_LDO8_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO8, }, { .name = "LDO9", .sname = "ldo9-in", .vsel_addr = PALMAS_LDO9_VOLTAGE, .ctrl_addr = PALMAS_LDO9_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO9, }, { .name = "LDOLN", .sname = "ldoln-in", .vsel_addr = PALMAS_LDOLN_VOLTAGE, .ctrl_addr = PALMAS_LDOLN_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOLN, }, { .name = "LDOUSB", .sname = "ldousb-in", .vsel_addr = PALMAS_LDOUSB_VOLTAGE, .ctrl_addr = PALMAS_LDOUSB_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB, }, { .name = "REGEN1", .ctrl_addr = PALMAS_REGEN1_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN1, }, { .name = "REGEN2", .ctrl_addr = PALMAS_REGEN2_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN2, }, { .name = "REGEN3", .ctrl_addr = PALMAS_REGEN3_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN3, }, { .name = "SYSEN1", .ctrl_addr = PALMAS_SYSEN1_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1, }, { .name = "SYSEN2", .ctrl_addr = PALMAS_SYSEN2_CTRL, + .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2, }, }; @@ -478,6 +506,17 @@ static struct regulator_ops palmas_ops_smps = { .set_ramp_delay = palmas_smps_set_ramp_delay, }; +static struct regulator_ops palmas_ops_ext_control_smps = { + .set_mode = palmas_set_mode_smps, + .get_mode = palmas_get_mode_smps, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = palmas_list_voltage_smps, + .map_voltage = palmas_map_voltage_smps, + .set_voltage_time_sel = palma_smps_set_voltage_smps_time_sel, + .set_ramp_delay = palmas_smps_set_ramp_delay, +}; + static struct regulator_ops palmas_ops_smps10 = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, @@ -513,12 +552,37 @@ static struct regulator_ops palmas_ops_ldo = { .map_voltage = regulator_map_voltage_linear, }; +static struct regulator_ops palmas_ops_ext_control_ldo = { + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, +}; + static struct regulator_ops palmas_ops_extreg = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, }; +static struct regulator_ops palmas_ops_ext_control_extreg = { +}; + +static int palmas_regulator_config_external(struct palmas *palmas, int id, + struct palmas_reg_init *reg_init) +{ + int sleep_id = palmas_regs_info[id].sleep_id; + int ret; + + ret = palmas_ext_control_req_config(palmas, sleep_id, + reg_init->roof_floor, true); + if (ret < 0) + dev_err(palmas->dev, + "Ext control config for regulator %d failed %d\n", + id, ret); + return ret; +} + /* * setup the hardware based sleep configuration of the SMPS/LDO regulators * from the platform data. This is different to the software based control @@ -577,7 +641,22 @@ static int palmas_smps_init(struct palmas *palmas, int id, return ret; } + if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) && + (id != PALMAS_REG_SMPS10_OUT2)) { + /* Enable externally controlled regulator */ + addr = palmas_regs_info[id].ctrl_addr; + ret = palmas_smps_read(palmas, addr, ®); + if (ret < 0) + return ret; + if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) { + reg |= SMPS_CTRL_MODE_ON; + ret = palmas_smps_write(palmas, addr, reg); + if (ret < 0) + return ret; + } + return palmas_regulator_config_external(palmas, id, reg_init); + } return 0; } @@ -608,6 +687,20 @@ static int palmas_ldo_init(struct palmas *palmas, int id, if (ret) return ret; + if (reg_init->roof_floor) { + /* Enable externally controlled regulator */ + addr = palmas_regs_info[id].ctrl_addr; + ret = palmas_update_bits(palmas, PALMAS_LDO_BASE, + addr, PALMAS_LDO1_CTRL_MODE_ACTIVE, + PALMAS_LDO1_CTRL_MODE_ACTIVE); + if (ret < 0) { + dev_err(palmas->dev, + "LDO Register 0x%02x update failed %d\n", + addr, ret); + return ret; + } + return palmas_regulator_config_external(palmas, id, reg_init); + } return 0; } @@ -630,6 +723,21 @@ static int palmas_extreg_init(struct palmas *palmas, int id, addr, ret); return ret; } + + if (reg_init->roof_floor) { + /* Enable externally controlled regulator */ + addr = palmas_regs_info[id].ctrl_addr; + ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, + addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE, + PALMAS_REGEN1_CTRL_MODE_ACTIVE); + if (ret < 0) { + dev_err(palmas->dev, + "Resource Register 0x%02x update failed %d\n", + addr, ret); + return ret; + } + return palmas_regulator_config_external(palmas, id, reg_init); + } return 0; } @@ -712,7 +820,7 @@ static void palmas_dt_to_pdata(struct device *dev, int idx, ret; node = of_node_get(node); - regulators = of_find_node_by_name(node, "regulators"); + regulators = of_get_child_by_name(node, "regulators"); if (!regulators) { dev_info(dev, "regulator node not found\n"); return; @@ -740,9 +848,35 @@ static void palmas_dt_to_pdata(struct device *dev, of_property_read_bool(palmas_matches[idx].of_node, "ti,warm-reset"); - pdata->reg_init[idx]->roof_floor = - of_property_read_bool(palmas_matches[idx].of_node, - "ti,roof-floor"); + ret = of_property_read_u32(palmas_matches[idx].of_node, + "ti,roof-floor", &prop); + /* EINVAL: Property not found */ + if (ret != -EINVAL) { + int econtrol; + + /* use default value, when no value is specified */ + econtrol = PALMAS_EXT_CONTROL_NSLEEP; + if (!ret) { + switch (prop) { + case 1: + econtrol = PALMAS_EXT_CONTROL_ENABLE1; + break; + case 2: + econtrol = PALMAS_EXT_CONTROL_ENABLE2; + break; + case 3: + econtrol = PALMAS_EXT_CONTROL_NSLEEP; + break; + default: + WARN_ON(1); + dev_warn(dev, + "%s: Invalid roof-floor option: %u\n", + palmas_matches[idx].name, prop); + break; + } + } + pdata->reg_init[idx]->roof_floor = econtrol; + } ret = of_property_read_u32(palmas_matches[idx].of_node, "ti,mode-sleep", &prop); @@ -856,7 +990,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "reading TSTEP reg failed: %d\n", ret); - goto err_unregister_regulator; + return ret; } pmic->desc[id].ramp_delay = palmas_smps_ramp_delay[reg & 0x3]; @@ -868,7 +1002,9 @@ static int palmas_regulators_probe(struct platform_device *pdev) reg_init = pdata->reg_init[id]; ret = palmas_smps_init(palmas, id, reg_init); if (ret) - goto err_unregister_regulator; + return ret; + } else { + reg_init = NULL; } /* Register the regulators */ @@ -909,11 +1045,15 @@ static int palmas_regulators_probe(struct platform_device *pdev) ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret) - goto err_unregister_regulator; + return ret; if (reg & PALMAS_SMPS12_VOLTAGE_RANGE) pmic->range[id] = 1; - pmic->desc[id].ops = &palmas_ops_smps; + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &palmas_ops_ext_control_smps; + else + pmic->desc[id].ops = &palmas_ops_smps; pmic->desc[id].n_voltages = PALMAS_SMPS_NUM_VOLTAGES; pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, @@ -925,7 +1065,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) addr = palmas_regs_info[id].ctrl_addr; ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret) - goto err_unregister_regulator; + return ret; pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; } @@ -941,13 +1081,13 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].supply_name = palmas_regs_info[id].sname; config.of_node = palmas_matches[id].of_node; - rdev = regulator_register(&pmic->desc[id], &config); + rdev = devm_regulator_register(&pdev->dev, &pmic->desc[id], + &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register %s regulator\n", pdev->name); - ret = PTR_ERR(rdev); - goto err_unregister_regulator; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ @@ -956,6 +1096,10 @@ static int palmas_regulators_probe(struct platform_device *pdev) /* Start this loop from the id left from previous loop */ for (; id < PALMAS_NUM_REGS; id++) { + if (pdata && pdata->reg_init[id]) + reg_init = pdata->reg_init[id]; + else + reg_init = NULL; /* Miss out regulators which are not available due * to alternate functions. @@ -969,7 +1113,11 @@ static int palmas_regulators_probe(struct platform_device *pdev) if (id < PALMAS_REG_REGEN1) { pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES; - pmic->desc[id].ops = &palmas_ops_ldo; + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &palmas_ops_ext_control_ldo; + else + pmic->desc[id].ops = &palmas_ops_ldo; pmic->desc[id].min_uV = 900000; pmic->desc[id].uV_step = 50000; pmic->desc[id].linear_min_sel = 1; @@ -999,7 +1147,11 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].enable_time = 2000; } else { pmic->desc[id].n_voltages = 1; - pmic->desc[id].ops = &palmas_ops_extreg; + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &palmas_ops_ext_control_extreg; + else + pmic->desc[id].ops = &palmas_ops_extreg; pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, palmas_regs_info[id].ctrl_addr); @@ -1015,13 +1167,13 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].supply_name = palmas_regs_info[id].sname; config.of_node = palmas_matches[id].of_node; - rdev = regulator_register(&pmic->desc[id], &config); + rdev = devm_regulator_register(&pdev->dev, &pmic->desc[id], + &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register %s regulator\n", pdev->name); - ret = PTR_ERR(rdev); - goto err_unregister_regulator; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ @@ -1037,31 +1189,14 @@ static int palmas_regulators_probe(struct platform_device *pdev) else ret = palmas_extreg_init(palmas, id, reg_init); - if (ret) { - regulator_unregister(pmic->rdev[id]); - goto err_unregister_regulator; - } + if (ret) + return ret; } } } return 0; - -err_unregister_regulator: - while (--id >= 0) - regulator_unregister(pmic->rdev[id]); - return ret; -} - -static int palmas_regulators_remove(struct platform_device *pdev) -{ - struct palmas_pmic *pmic = platform_get_drvdata(pdev); - int id; - - for (id = 0; id < PALMAS_NUM_REGS; id++) - regulator_unregister(pmic->rdev[id]); - return 0; } static struct of_device_id of_palmas_match_tbl[] = { @@ -1083,7 +1218,6 @@ static struct platform_driver palmas_driver = { .owner = THIS_MODULE, }, .probe = palmas_regulators_probe, - .remove = palmas_regulators_remove, }; static int __init palmas_init(void) diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c index b49eaeedea84..3727b7d0e9ac 100644 --- a/drivers/regulator/pcap-regulator.c +++ b/drivers/regulator/pcap-regulator.c @@ -246,7 +246,8 @@ static int pcap_regulator_probe(struct platform_device *pdev) config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = pcap; - rdev = regulator_register(&pcap_regulators[pdev->id], &config); + rdev = devm_regulator_register(&pdev->dev, &pcap_regulators[pdev->id], + &config); if (IS_ERR(rdev)) return PTR_ERR(rdev); @@ -255,22 +256,12 @@ static int pcap_regulator_probe(struct platform_device *pdev) return 0; } -static int pcap_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - - return 0; -} - static struct platform_driver pcap_regulator_driver = { .driver = { .name = "pcap-regulator", .owner = THIS_MODULE, }, .probe = pcap_regulator_probe, - .remove = pcap_regulator_remove, }; static int __init pcap_regulator_init(void) diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c index 0f3576d48abf..d7da1c15a6da 100644 --- a/drivers/regulator/pcf50633-regulator.c +++ b/drivers/regulator/pcf50633-regulator.c @@ -90,7 +90,8 @@ static int pcf50633_regulator_probe(struct platform_device *pdev) config.driver_data = pcf; config.regmap = pcf->regmap; - rdev = regulator_register(®ulators[pdev->id], &config); + rdev = devm_regulator_register(&pdev->dev, ®ulators[pdev->id], + &config); if (IS_ERR(rdev)) return PTR_ERR(rdev); @@ -102,21 +103,11 @@ static int pcf50633_regulator_probe(struct platform_device *pdev) return 0; } -static int pcf50633_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - - return 0; -} - static struct platform_driver pcf50633_regulator_driver = { .driver = { .name = "pcf50633-regltr", }, .probe = pcf50633_regulator_probe, - .remove = pcf50633_regulator_remove, }; static int __init pcf50633_regulator_init(void) diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c index 5885b4504596..b58affb33143 100644 --- a/drivers/regulator/rc5t583-regulator.c +++ b/drivers/regulator/rc5t583-regulator.c @@ -173,33 +173,16 @@ skip_ext_pwr_config: config.driver_data = reg; config.regmap = rc5t583->regmap; - rdev = regulator_register(&ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "Failed to register regulator %s\n", ri->desc.name); - ret = PTR_ERR(rdev); - goto clean_exit; + return PTR_ERR(rdev); } reg->rdev = rdev; } platform_set_drvdata(pdev, regs); return 0; - -clean_exit: - while (--id >= 0) - regulator_unregister(regs[id].rdev); - - return ret; -} - -static int rc5t583_regulator_remove(struct platform_device *pdev) -{ - struct rc5t583_regulator *regs = platform_get_drvdata(pdev); - int id; - - for (id = 0; id < RC5T583_REGULATOR_MAX; ++id) - regulator_unregister(regs[id].rdev); - return 0; } static struct platform_driver rc5t583_regulator_driver = { @@ -208,7 +191,6 @@ static struct platform_driver rc5t583_regulator_driver = { .owner = THIS_MODULE, }, .probe = rc5t583_regulator_probe, - .remove = rc5t583_regulator_remove, }; static int __init rc5t583_regulator_init(void) diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 5eba2ff8c0e8..333677d68d0e 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -448,33 +448,17 @@ common_reg: config.of_node = rdata[i].of_node; } - s2mps11->rdev[i] = regulator_register(®ulators[i], &config); + s2mps11->rdev[i] = devm_regulator_register(&pdev->dev, + ®ulators[i], &config); if (IS_ERR(s2mps11->rdev[i])) { ret = PTR_ERR(s2mps11->rdev[i]); dev_err(&pdev->dev, "regulator init failed for %d\n", i); - s2mps11->rdev[i] = NULL; - goto err; + return ret; } } return 0; -err: - for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) - regulator_unregister(s2mps11->rdev[i]); - - return ret; -} - -static int s2mps11_pmic_remove(struct platform_device *pdev) -{ - struct s2mps11_info *s2mps11 = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) - regulator_unregister(s2mps11->rdev[i]); - - return 0; } static const struct platform_device_id s2mps11_pmic_id[] = { @@ -489,7 +473,6 @@ static struct platform_driver s2mps11_pmic_driver = { .owner = THIS_MODULE, }, .probe = s2mps11_pmic_probe, - .remove = s2mps11_pmic_remove, .id_table = s2mps11_pmic_id, }; diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index c24448bc43cf..cbf91e25cf7f 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -522,7 +522,7 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, struct device_node *pmic_np, *regulators_np, *reg_np; struct sec_regulator_data *rdata; struct sec_opmode_data *rmode; - unsigned int i, dvs_voltage_nr = 1, ret; + unsigned int i, dvs_voltage_nr = 8, ret; pmic_np = iodev->dev->of_node; if (!pmic_np) { @@ -586,15 +586,39 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, rmode++; } - if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL)) + if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL)) { pdata->buck2_gpiodvs = true; - if (of_get_property(pmic_np, "s5m8767,pmic-buck3-uses-gpio-dvs", NULL)) + if (of_property_read_u32_array(pmic_np, + "s5m8767,pmic-buck2-dvs-voltage", + pdata->buck2_voltage, dvs_voltage_nr)) { + dev_err(iodev->dev, "buck2 voltages not specified\n"); + return -EINVAL; + } + } + + if (of_get_property(pmic_np, "s5m8767,pmic-buck3-uses-gpio-dvs", NULL)) { pdata->buck3_gpiodvs = true; - if (of_get_property(pmic_np, "s5m8767,pmic-buck4-uses-gpio-dvs", NULL)) + if (of_property_read_u32_array(pmic_np, + "s5m8767,pmic-buck3-dvs-voltage", + pdata->buck3_voltage, dvs_voltage_nr)) { + dev_err(iodev->dev, "buck3 voltages not specified\n"); + return -EINVAL; + } + } + + if (of_get_property(pmic_np, "s5m8767,pmic-buck4-uses-gpio-dvs", NULL)) { pdata->buck4_gpiodvs = true; + if (of_property_read_u32_array(pmic_np, + "s5m8767,pmic-buck4-dvs-voltage", + pdata->buck4_voltage, dvs_voltage_nr)) { + dev_err(iodev->dev, "buck4 voltages not specified\n"); + return -EINVAL; + } + } + if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs || pdata->buck4_gpiodvs) { ret = s5m8767_pmic_dt_parse_dvs_gpio(iodev, pdata, pmic_np); @@ -612,32 +636,26 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, "invalid value for default dvs index, use 0\n"); } } - dvs_voltage_nr = 8; } ret = s5m8767_pmic_dt_parse_ds_gpio(iodev, pdata, pmic_np); if (ret) return -EINVAL; - if (of_property_read_u32_array(pmic_np, - "s5m8767,pmic-buck2-dvs-voltage", - pdata->buck2_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck2 voltages not specified\n"); - return -EINVAL; - } + if (of_get_property(pmic_np, "s5m8767,pmic-buck2-ramp-enable", NULL)) + pdata->buck2_ramp_enable = true; - if (of_property_read_u32_array(pmic_np, - "s5m8767,pmic-buck3-dvs-voltage", - pdata->buck3_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck3 voltages not specified\n"); - return -EINVAL; - } + if (of_get_property(pmic_np, "s5m8767,pmic-buck3-ramp-enable", NULL)) + pdata->buck3_ramp_enable = true; - if (of_property_read_u32_array(pmic_np, - "s5m8767,pmic-buck4-dvs-voltage", - pdata->buck4_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck4 voltages not specified\n"); - return -EINVAL; + if (of_get_property(pmic_np, "s5m8767,pmic-buck4-ramp-enable", NULL)) + pdata->buck4_ramp_enable = true; + + if (pdata->buck2_ramp_enable || pdata->buck3_ramp_enable + || pdata->buck4_ramp_enable) { + if (of_property_read_u32(pmic_np, "s5m8767,pmic-buck-ramp-delay", + &pdata->buck_ramp_delay)) + pdata->buck_ramp_delay = 0; } return 0; @@ -910,34 +928,17 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) config.regmap = iodev->regmap; config.of_node = pdata->regulators[i].reg_node; - rdev[i] = regulator_register(®ulators[id], &config); + rdev[i] = devm_regulator_register(&pdev->dev, ®ulators[id], + &config); if (IS_ERR(rdev[i])) { ret = PTR_ERR(rdev[i]); dev_err(s5m8767->dev, "regulator init failed for %d\n", id); - rdev[i] = NULL; - goto err; + return ret; } } return 0; -err: - for (i = 0; i < s5m8767->num_regulators; i++) - regulator_unregister(rdev[i]); - - return ret; -} - -static int s5m8767_pmic_remove(struct platform_device *pdev) -{ - struct s5m8767_info *s5m8767 = platform_get_drvdata(pdev); - struct regulator_dev **rdev = s5m8767->rdev; - int i; - - for (i = 0; i < s5m8767->num_regulators; i++) - regulator_unregister(rdev[i]); - - return 0; } static const struct platform_device_id s5m8767_pmic_id[] = { @@ -952,7 +953,6 @@ static struct platform_driver s5m8767_pmic_driver = { .owner = THIS_MODULE, }, .probe = s5m8767_pmic_probe, - .remove = s5m8767_pmic_remove, .id_table = s5m8767_pmic_id, }; diff --git a/drivers/regulator/stw481x-vmmc.c b/drivers/regulator/stw481x-vmmc.c new file mode 100644 index 000000000000..f78857bd6a15 --- /dev/null +++ b/drivers/regulator/stw481x-vmmc.c @@ -0,0 +1,111 @@ +/* + * Regulator driver for STw4810/STw4811 VMMC regulator. + * + * Copyright (C) 2013 ST-Ericsson SA + * Written on behalf of Linaro for ST-Ericsson + * + * Author: Linus Walleij <linus.walleij@linaro.org> + * + * License terms: GNU General Public License (GPL) version 2 + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/mfd/stw481x.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/of_regulator.h> + +static const unsigned int stw481x_vmmc_voltages[] = { + 1800000, + 1800000, + 2850000, + 3000000, + 1850000, + 2600000, + 2700000, + 3300000, +}; + +static struct regulator_ops stw481x_vmmc_ops = { + .list_voltage = regulator_list_voltage_table, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, +}; + +static struct regulator_desc vmmc_regulator = { + .name = "VMMC", + .id = 0, + .ops = &stw481x_vmmc_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + .n_voltages = ARRAY_SIZE(stw481x_vmmc_voltages), + .volt_table = stw481x_vmmc_voltages, + .enable_time = 200, /* FIXME: look this up */ + .enable_reg = STW_CONF1, + .enable_mask = STW_CONF1_PDN_VMMC, + .vsel_reg = STW_CONF1, + .vsel_mask = STW_CONF1_VMMC_MASK, +}; + +static int stw481x_vmmc_regulator_probe(struct platform_device *pdev) +{ + struct stw481x *stw481x = dev_get_platdata(&pdev->dev); + struct regulator_config config = { }; + int ret; + + /* First disable the external VMMC if it's active */ + ret = regmap_update_bits(stw481x->map, STW_CONF2, + STW_CONF2_VMMC_EXT, 0); + if (ret) { + dev_err(&pdev->dev, "could not disable external VMMC\n"); + return ret; + } + + /* Register VMMC regulator */ + config.dev = &pdev->dev; + config.driver_data = stw481x; + config.regmap = stw481x->map; + config.of_node = pdev->dev.of_node; + config.init_data = of_get_regulator_init_data(&pdev->dev, + pdev->dev.of_node); + + stw481x->vmmc_regulator = regulator_register(&vmmc_regulator, &config); + if (IS_ERR(stw481x->vmmc_regulator)) { + dev_err(&pdev->dev, + "error initializing STw481x VMMC regulator\n"); + return PTR_ERR(stw481x->vmmc_regulator); + } + + dev_info(&pdev->dev, "initialized STw481x VMMC regulator\n"); + return 0; +} + +static int stw481x_vmmc_regulator_remove(struct platform_device *pdev) +{ + struct stw481x *stw481x = dev_get_platdata(&pdev->dev); + + regulator_unregister(stw481x->vmmc_regulator); + return 0; +} + +static const struct of_device_id stw481x_vmmc_match[] = { + { .compatible = "st,stw481x-vmmc", }, + {}, +}; + +static struct platform_driver stw481x_vmmc_regulator_driver = { + .driver = { + .name = "stw481x-vmmc-regulator", + .owner = THIS_MODULE, + .of_match_table = stw481x_vmmc_match, + }, + .probe = stw481x_vmmc_regulator_probe, + .remove = stw481x_vmmc_regulator_remove, +}; + +module_platform_driver(stw481x_vmmc_regulator_driver); diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index 20c271d49dcb..b187b6bba7ad 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -615,7 +615,7 @@ static int ti_abb_init_table(struct device *dev, struct ti_abb *abb, pname, *volt_table, vset_mask); continue; } - info->vset = efuse_val & vset_mask >> __ffs(vset_mask); + info->vset = (efuse_val & vset_mask) >> __ffs(vset_mask); dev_dbg(dev, "[%d]v=%d vset=%x\n", i, *volt_table, info->vset); check_abb: switch (info->opp_sel) { @@ -708,39 +708,31 @@ static int ti_abb_probe(struct platform_device *pdev) match = of_match_device(ti_abb_of_match, dev); if (!match) { /* We do not expect this to happen */ - ret = -ENODEV; dev_err(dev, "%s: Unable to match device\n", __func__); - goto err; + return -ENODEV; } if (!match->data) { - ret = -EINVAL; dev_err(dev, "%s: Bad data in match\n", __func__); - goto err; + return -EINVAL; } abb = devm_kzalloc(dev, sizeof(struct ti_abb), GFP_KERNEL); - if (!abb) { - dev_err(dev, "%s: Unable to allocate ABB struct\n", __func__); - ret = -ENOMEM; - goto err; - } + if (!abb) + return -ENOMEM; abb->regs = match->data; /* Map ABB resources */ pname = "base-address"; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); abb->base = devm_ioremap_resource(dev, res); - if (IS_ERR(abb->base)) { - ret = PTR_ERR(abb->base); - goto err; - } + if (IS_ERR(abb->base)) + return PTR_ERR(abb->base); pname = "int-address"; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); if (!res) { dev_err(dev, "Missing '%s' IO resource\n", pname); - ret = -ENODEV; - goto err; + return -ENODEV; } /* * We may have shared interrupt register offsets which are @@ -750,8 +742,7 @@ static int ti_abb_probe(struct platform_device *pdev) resource_size(res)); if (!abb->int_base) { dev_err(dev, "Unable to map '%s'\n", pname); - ret = -ENOMEM; - goto err; + return -ENOMEM; } /* Map Optional resources */ @@ -771,17 +762,19 @@ static int ti_abb_probe(struct platform_device *pdev) resource_size(res)); if (!abb->efuse_base) { dev_err(dev, "Unable to map '%s'\n", pname); - ret = -ENOMEM; - goto err; + return -ENOMEM; } pname = "ldo-address"; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); - abb->ldo_base = devm_ioremap_resource(dev, res); - if (IS_ERR(abb->ldo_base)) { - ret = PTR_ERR(abb->ldo_base); - goto err; + if (!res) { + dev_dbg(dev, "Missing '%s' IO resource\n", pname); + ret = -ENODEV; + goto skip_opt; } + abb->ldo_base = devm_ioremap_resource(dev, res); + if (IS_ERR(abb->ldo_base)) + return PTR_ERR(abb->ldo_base); /* IF ldo_base is set, the following are mandatory */ pname = "ti,ldovbb-override-mask"; @@ -790,12 +783,11 @@ static int ti_abb_probe(struct platform_device *pdev) &abb->ldovbb_override_mask); if (ret) { dev_err(dev, "Missing '%s' (%d)\n", pname, ret); - goto err; + return ret; } if (!abb->ldovbb_override_mask) { dev_err(dev, "Invalid property:'%s' set as 0!\n", pname); - ret = -EINVAL; - goto err; + return -EINVAL; } pname = "ti,ldovbb-vset-mask"; @@ -804,12 +796,11 @@ static int ti_abb_probe(struct platform_device *pdev) &abb->ldovbb_vset_mask); if (ret) { dev_err(dev, "Missing '%s' (%d)\n", pname, ret); - goto err; + return ret; } if (!abb->ldovbb_vset_mask) { dev_err(dev, "Invalid property:'%s' set as 0!\n", pname); - ret = -EINVAL; - goto err; + return -EINVAL; } skip_opt: @@ -819,31 +810,29 @@ skip_opt: &abb->txdone_mask); if (ret) { dev_err(dev, "Missing '%s' (%d)\n", pname, ret); - goto err; + return ret; } if (!abb->txdone_mask) { dev_err(dev, "Invalid property:'%s' set as 0!\n", pname); - ret = -EINVAL; - goto err; + return -EINVAL; } initdata = of_get_regulator_init_data(dev, pdev->dev.of_node); if (!initdata) { - ret = -ENOMEM; dev_err(dev, "%s: Unable to alloc regulator init data\n", __func__); - goto err; + return -ENOMEM; } /* init ABB opp_sel table */ ret = ti_abb_init_table(dev, abb, initdata); if (ret) - goto err; + return ret; /* init ABB timing */ ret = ti_abb_init_timings(dev, abb); if (ret) - goto err; + return ret; desc = &abb->rdesc; desc->name = dev_name(dev); @@ -861,12 +850,12 @@ skip_opt: config.driver_data = abb; config.of_node = pdev->dev.of_node; - rdev = regulator_register(desc, &config); + rdev = devm_regulator_register(dev, desc, &config); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(dev, "%s: failed to register regulator(%d)\n", __func__, ret); - goto err; + return ret; } platform_set_drvdata(pdev, rdev); @@ -874,31 +863,12 @@ skip_opt: ti_abb_rmw(abb->regs->sr2_en_mask, 1, abb->regs->setup_reg, abb->base); return 0; - -err: - dev_err(dev, "%s: Failed to initialize(%d)\n", __func__, ret); - return ret; -} - -/** - * ti_abb_remove() - cleanups - * @pdev: ABB platform device - * - * Return: 0 - */ -static int ti_abb_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - return 0; } MODULE_ALIAS("platform:ti_abb"); static struct platform_driver ti_abb_driver = { .probe = ti_abb_probe, - .remove = ti_abb_remove, .driver = { .name = "ti_abb", .owner = THIS_MODULE, diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c index 9392a7ca3d2d..b0a3f0917a27 100644 --- a/drivers/regulator/tps51632-regulator.c +++ b/drivers/regulator/tps51632-regulator.c @@ -343,7 +343,7 @@ static int tps51632_probe(struct i2c_client *client, config.regmap = tps->regmap; config.of_node = client->dev.of_node; - rdev = regulator_register(&tps->desc, &config); + rdev = devm_regulator_register(&client->dev, &tps->desc, &config); if (IS_ERR(rdev)) { dev_err(tps->dev, "regulator register failed\n"); return PTR_ERR(rdev); @@ -353,14 +353,6 @@ static int tps51632_probe(struct i2c_client *client, return 0; } -static int tps51632_remove(struct i2c_client *client) -{ - struct tps51632_chip *tps = i2c_get_clientdata(client); - - regulator_unregister(tps->rdev); - return 0; -} - static const struct i2c_device_id tps51632_id[] = { {.name = "tps51632",}, {}, @@ -375,7 +367,6 @@ static struct i2c_driver tps51632_i2c_driver = { .of_match_table = of_match_ptr(tps51632_of_match), }, .probe = tps51632_probe, - .remove = tps51632_remove, .id_table = tps51632_id, }; diff --git a/drivers/regulator/tps6105x-regulator.c b/drivers/regulator/tps6105x-regulator.c index ec9453ffb77f..c1e33a3d397b 100644 --- a/drivers/regulator/tps6105x-regulator.c +++ b/drivers/regulator/tps6105x-regulator.c @@ -137,7 +137,7 @@ static int tps6105x_regulator_probe(struct platform_device *pdev) /* This instance is not set for regulator mode so bail out */ if (pdata->mode != TPS6105X_MODE_VOLTAGE) { dev_info(&pdev->dev, - "chip not in voltage mode mode, exit probe \n"); + "chip not in voltage mode mode, exit probe\n"); return 0; } @@ -146,8 +146,9 @@ static int tps6105x_regulator_probe(struct platform_device *pdev) config.driver_data = tps6105x; /* Register regulator with framework */ - tps6105x->regulator = regulator_register(&tps6105x_regulator_desc, - &config); + tps6105x->regulator = devm_regulator_register(&pdev->dev, + &tps6105x_regulator_desc, + &config); if (IS_ERR(tps6105x->regulator)) { ret = PTR_ERR(tps6105x->regulator); dev_err(&tps6105x->client->dev, @@ -159,20 +160,12 @@ static int tps6105x_regulator_probe(struct platform_device *pdev) return 0; } -static int tps6105x_regulator_remove(struct platform_device *pdev) -{ - struct tps6105x *tps6105x = dev_get_platdata(&pdev->dev); - regulator_unregister(tps6105x->regulator); - return 0; -} - static struct platform_driver tps6105x_regulator_driver = { .driver = { .name = "tps6105x-regulator", .owner = THIS_MODULE, }, .probe = tps6105x_regulator_probe, - .remove = tps6105x_regulator_remove, }; static __init int tps6105x_regulator_init(void) diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c index 0b7ebb1ebf85..c2c0185a2dcd 100644 --- a/drivers/regulator/tps62360-regulator.c +++ b/drivers/regulator/tps62360-regulator.c @@ -476,7 +476,7 @@ static int tps62360_probe(struct i2c_client *client, config.of_node = client->dev.of_node; /* Register the regulators */ - rdev = regulator_register(&tps->desc, &config); + rdev = devm_regulator_register(&client->dev, &tps->desc, &config); if (IS_ERR(rdev)) { dev_err(tps->dev, "%s(): regulator register failed with err %s\n", @@ -488,20 +488,6 @@ static int tps62360_probe(struct i2c_client *client, return 0; } -/** - * tps62360_remove - tps62360 driver i2c remove handler - * @client: i2c driver client device structure - * - * Unregister TPS driver as an i2c client device driver - */ -static int tps62360_remove(struct i2c_client *client) -{ - struct tps62360_chip *tps = i2c_get_clientdata(client); - - regulator_unregister(tps->rdev); - return 0; -} - static void tps62360_shutdown(struct i2c_client *client) { struct tps62360_chip *tps = i2c_get_clientdata(client); @@ -535,7 +521,6 @@ static struct i2c_driver tps62360_i2c_driver = { .of_match_table = of_match_ptr(tps62360_of_match), }, .probe = tps62360_probe, - .remove = tps62360_remove, .shutdown = tps62360_shutdown, .id_table = tps62360_id, }; diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c index a15263d4bdff..3ef67a86115c 100644 --- a/drivers/regulator/tps65023-regulator.c +++ b/drivers/regulator/tps65023-regulator.c @@ -277,12 +277,12 @@ static int tps_65023_probe(struct i2c_client *client, config.regmap = tps->regmap; /* Register the regulators */ - rdev = regulator_register(&tps->desc[i], &config); + rdev = devm_regulator_register(&client->dev, &tps->desc[i], + &config); if (IS_ERR(rdev)) { dev_err(&client->dev, "failed to register %s\n", id->name); - error = PTR_ERR(rdev); - goto fail; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ @@ -293,24 +293,10 @@ static int tps_65023_probe(struct i2c_client *client, /* Enable setting output voltage by I2C */ regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2, - TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ); + TPS65023_REG_CTRL2_CORE_ADJ, + TPS65023_REG_CTRL2_CORE_ADJ); return 0; - - fail: - while (--i >= 0) - regulator_unregister(tps->rdev[i]); - return error; -} - -static int tps_65023_remove(struct i2c_client *client) -{ - struct tps_pmic *tps = i2c_get_clientdata(client); - int i; - - for (i = 0; i < TPS65023_NUM_REGULATOR; i++) - regulator_unregister(tps->rdev[i]); - return 0; } static const struct tps_info tps65020_regs[] = { @@ -430,7 +416,6 @@ static struct i2c_driver tps_65023_i2c_driver = { .owner = THIS_MODULE, }, .probe = tps_65023_probe, - .remove = tps_65023_remove, .id_table = tps_65023_id, }; diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c index 4117ff52dba1..162a0fae20b3 100644 --- a/drivers/regulator/tps6507x-regulator.c +++ b/drivers/regulator/tps6507x-regulator.c @@ -508,13 +508,13 @@ static int tps6507x_pmic_probe(struct platform_device *pdev) config.of_node = tps6507x_reg_matches[i].of_node; } - rdev = regulator_register(&tps->desc[i], &config); + rdev = devm_regulator_register(&pdev->dev, &tps->desc[i], + &config); if (IS_ERR(rdev)) { dev_err(tps6507x_dev->dev, "failed to register %s regulator\n", pdev->name); - error = PTR_ERR(rdev); - goto fail; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ @@ -525,22 +525,6 @@ static int tps6507x_pmic_probe(struct platform_device *pdev) platform_set_drvdata(pdev, tps6507x_dev); return 0; - -fail: - while (--i >= 0) - regulator_unregister(tps->rdev[i]); - return error; -} - -static int tps6507x_pmic_remove(struct platform_device *pdev) -{ - struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev); - struct tps6507x_pmic *tps = tps6507x_dev->pmic; - int i; - - for (i = 0; i < TPS6507X_NUM_REGULATOR; i++) - regulator_unregister(tps->rdev[i]); - return 0; } static struct platform_driver tps6507x_pmic_driver = { @@ -549,7 +533,6 @@ static struct platform_driver tps6507x_pmic_driver = { .owner = THIS_MODULE, }, .probe = tps6507x_pmic_probe, - .remove = tps6507x_pmic_remove, }; static int __init tps6507x_pmic_init(void) diff --git a/drivers/regulator/tps65090-regulator.c b/drivers/regulator/tps65090-regulator.c index c8e70451df38..676f75548f00 100644 --- a/drivers/regulator/tps65090-regulator.c +++ b/drivers/regulator/tps65090-regulator.c @@ -180,7 +180,7 @@ static struct tps65090_platform_data *tps65090_parse_dt_reg_data( return ERR_PTR(-ENOMEM); } - regulators = of_find_node_by_name(np, "regulators"); + regulators = of_get_child_by_name(np, "regulators"); if (!regulators) { dev_err(&pdev->dev, "regulator node not found\n"); return ERR_PTR(-ENODEV); @@ -279,7 +279,7 @@ static int tps65090_regulator_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "failed disable ext control\n"); - goto scrub; + return ret; } } } @@ -296,12 +296,11 @@ static int tps65090_regulator_probe(struct platform_device *pdev) else config.of_node = NULL; - rdev = regulator_register(ri->desc, &config); + rdev = devm_regulator_register(&pdev->dev, ri->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc->name); - ret = PTR_ERR(rdev); - goto scrub; + return PTR_ERR(rdev); } ri->rdev = rdev; @@ -309,36 +308,13 @@ static int tps65090_regulator_probe(struct platform_device *pdev) if (tps_pdata && is_dcdc(num) && tps_pdata->reg_init_data && tps_pdata->enable_ext_control) { ret = tps65090_config_ext_control(ri, true); - if (ret < 0) { - /* Increment num to get unregister rdev */ - num++; - goto scrub; - } + if (ret < 0) + return ret; } } platform_set_drvdata(pdev, pmic); return 0; - -scrub: - while (--num >= 0) { - ri = &pmic[num]; - regulator_unregister(ri->rdev); - } - return ret; -} - -static int tps65090_regulator_remove(struct platform_device *pdev) -{ - struct tps65090_regulator *pmic = platform_get_drvdata(pdev); - struct tps65090_regulator *ri; - int num; - - for (num = 0; num < TPS65090_REGULATOR_MAX; ++num) { - ri = &pmic[num]; - regulator_unregister(ri->rdev); - } - return 0; } static struct platform_driver tps65090_regulator_driver = { @@ -347,7 +323,6 @@ static struct platform_driver tps65090_regulator_driver = { .owner = THIS_MODULE, }, .probe = tps65090_regulator_probe, - .remove = tps65090_regulator_remove, }; static int __init tps65090_regulator_init(void) diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index 90861d68a0b0..9ea1bf26bd13 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -52,25 +52,17 @@ static const unsigned int LDO1_VSEL_table[] = { }; static const struct regulator_linear_range tps65217_uv1_ranges[] = { - { .min_uV = 900000, .max_uV = 1500000, .min_sel = 0, .max_sel = 24, - .uV_step = 25000 }, - { .min_uV = 1550000, .max_uV = 1800000, .min_sel = 25, .max_sel = 30, - .uV_step = 50000 }, - { .min_uV = 1850000, .max_uV = 2900000, .min_sel = 31, .max_sel = 52, - .uV_step = 50000 }, - { .min_uV = 3000000, .max_uV = 3200000, .min_sel = 53, .max_sel = 55, - .uV_step = 100000 }, - { .min_uV = 3300000, .max_uV = 3300000, .min_sel = 56, .max_sel = 62, - .uV_step = 0 }, + REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000), + REGULATOR_LINEAR_RANGE(1550000, 25, 30, 50000), + REGULATOR_LINEAR_RANGE(1850000, 31, 52, 50000), + REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000), + REGULATOR_LINEAR_RANGE(3300000, 56, 62, 0), }; static const struct regulator_linear_range tps65217_uv2_ranges[] = { - { .min_uV = 1500000, .max_uV = 1900000, .min_sel = 0, .max_sel = 8, - .uV_step = 50000 }, - { .min_uV = 2000000, .max_uV = 2400000, .min_sel = 9, .max_sel = 13, - .uV_step = 100000 }, - { .min_uV = 2450000, .max_uV = 3300000, .min_sel = 14, .max_sel = 31, - .uV_step = 50000 }, + REGULATOR_LINEAR_RANGE(1500000, 0, 8, 50000), + REGULATOR_LINEAR_RANGE(2000000, 9, 13, 100000), + REGULATOR_LINEAR_RANGE(2450000, 14, 31, 50000), }; static int tps65217_pmic_enable(struct regulator_dev *dev) @@ -233,7 +225,7 @@ static int tps65217_regulator_probe(struct platform_device *pdev) struct regulator_init_data *reg_data; struct regulator_dev *rdev; struct regulator_config config = { }; - int i, ret; + int i; if (tps->dev->of_node) pdata = tps65217_parse_dt(pdev); @@ -269,35 +261,18 @@ static int tps65217_regulator_probe(struct platform_device *pdev) if (tps->dev->of_node) config.of_node = pdata->of_node[i]; - rdev = regulator_register(®ulators[i], &config); + rdev = devm_regulator_register(&pdev->dev, ®ulators[i], + &config); if (IS_ERR(rdev)) { dev_err(tps->dev, "failed to register %s regulator\n", pdev->name); - ret = PTR_ERR(rdev); - goto err_unregister_regulator; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ tps->rdev[i] = rdev; } return 0; - -err_unregister_regulator: - while (--i >= 0) - regulator_unregister(tps->rdev[i]); - - return ret; -} - -static int tps65217_regulator_remove(struct platform_device *pdev) -{ - struct tps65217 *tps = platform_get_drvdata(pdev); - unsigned int i; - - for (i = 0; i < TPS65217_NUM_REGULATOR; i++) - regulator_unregister(tps->rdev[i]); - - return 0; } static struct platform_driver tps65217_regulator_driver = { @@ -305,7 +280,6 @@ static struct platform_driver tps65217_regulator_driver = { .name = "tps65217-pmic", }, .probe = tps65217_regulator_probe, - .remove = tps65217_regulator_remove, }; static int __init tps65217_regulator_init(void) diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c index 62e8d28beabd..9f6bfda711b7 100644 --- a/drivers/regulator/tps6524x-regulator.c +++ b/drivers/regulator/tps6524x-regulator.c @@ -577,21 +577,6 @@ static struct regulator_ops regulator_ops = { .get_current_limit = get_current_limit, }; -static int pmic_remove(struct spi_device *spi) -{ - struct tps6524x *hw = spi_get_drvdata(spi); - int i; - - if (!hw) - return 0; - for (i = 0; i < N_REGULATORS; i++) { - regulator_unregister(hw->rdev[i]); - hw->rdev[i] = NULL; - } - spi_set_drvdata(spi, NULL); - return 0; -} - static int pmic_probe(struct spi_device *spi) { struct tps6524x *hw; @@ -599,7 +584,7 @@ static int pmic_probe(struct spi_device *spi) const struct supply_info *info = supply_info; struct regulator_init_data *init_data; struct regulator_config config = { }; - int ret = 0, i; + int i; init_data = dev_get_platdata(dev); if (!init_data) { @@ -632,24 +617,17 @@ static int pmic_probe(struct spi_device *spi) config.init_data = init_data; config.driver_data = hw; - hw->rdev[i] = regulator_register(&hw->desc[i], &config); - if (IS_ERR(hw->rdev[i])) { - ret = PTR_ERR(hw->rdev[i]); - hw->rdev[i] = NULL; - goto fail; - } + hw->rdev[i] = devm_regulator_register(dev, &hw->desc[i], + &config); + if (IS_ERR(hw->rdev[i])) + return PTR_ERR(hw->rdev[i]); } return 0; - -fail: - pmic_remove(spi); - return ret; } static struct spi_driver pmic_driver = { .probe = pmic_probe, - .remove = pmic_remove, .driver = { .name = "tps6524x", .owner = THIS_MODULE, diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 2c9155b66f09..e8e3a8afd3e2 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -298,7 +298,7 @@ static struct tps6586x_platform_data *tps6586x_parse_regulator_dt( struct tps6586x_platform_data *pdata; int err; - regs = of_find_node_by_name(np, "regulators"); + regs = of_get_child_by_name(np, "regulators"); if (!regs) { dev_err(&pdev->dev, "regulator node not found\n"); return NULL; @@ -379,15 +379,14 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) ri = find_regulator_info(id); if (!ri) { dev_err(&pdev->dev, "invalid regulator ID specified\n"); - err = -EINVAL; - goto fail; + return -EINVAL; } err = tps6586x_regulator_preinit(pdev->dev.parent, ri); if (err) { dev_err(&pdev->dev, "regulator %d preinit failed, e %d\n", id, err); - goto fail; + return err; } config.dev = pdev->dev.parent; @@ -397,12 +396,12 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) if (tps6586x_reg_matches) config.of_node = tps6586x_reg_matches[id].of_node; - rdev[id] = regulator_register(&ri->desc, &config); + rdev[id] = devm_regulator_register(&pdev->dev, &ri->desc, + &config); if (IS_ERR(rdev[id])) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc.name); - err = PTR_ERR(rdev[id]); - goto fail; + return PTR_ERR(rdev[id]); } if (reg_data) { @@ -411,30 +410,13 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "Slew rate config failed, e %d\n", err); - regulator_unregister(rdev[id]); - goto fail; + return err; } } } platform_set_drvdata(pdev, rdev); return 0; - -fail: - while (--id >= 0) - regulator_unregister(rdev[id]); - return err; -} - -static int tps6586x_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev **rdev = platform_get_drvdata(pdev); - int id = TPS6586X_ID_MAX_REGULATOR; - - while (--id >= 0) - regulator_unregister(rdev[id]); - - return 0; } static struct platform_driver tps6586x_regulator_driver = { @@ -443,7 +425,6 @@ static struct platform_driver tps6586x_regulator_driver = { .owner = THIS_MODULE, }, .probe = tps6586x_regulator_probe, - .remove = tps6586x_regulator_remove, }; static int __init tps6586x_regulator_init(void) diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index 45c16447744b..23f8d1ce877d 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -481,7 +481,7 @@ static int tps65910_get_voltage_dcdc_sel(struct regulator_dev *dev) /* multiplier 0 == 1 but 2,3 normal */ if (!mult) - mult=1; + mult = 1; if (sr) { /* normalise to valid range */ @@ -685,7 +685,7 @@ static int tps65910_list_voltage_dcdc(struct regulator_dev *dev, case TPS65910_REG_VDD2: mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1; volt = VDD1_2_MIN_VOLT + - (selector % VDD1_2_NUM_VOLT_FINE) * VDD1_2_OFFSET; + (selector % VDD1_2_NUM_VOLT_FINE) * VDD1_2_OFFSET; break; case TPS65911_REG_VDDCTRL: volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET); @@ -703,7 +703,7 @@ static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector) struct tps65910_reg *pmic = rdev_get_drvdata(dev); int step_mv = 0, id = rdev_get_id(dev); - switch(id) { + switch (id) { case TPS65911_REG_LDO1: case TPS65911_REG_LDO2: case TPS65911_REG_LDO4: @@ -982,7 +982,7 @@ static struct tps65910_board *tps65910_parse_dt_reg_data( } np = of_node_get(pdev->dev.parent->of_node); - regulators = of_find_node_by_name(np, "regulators"); + regulators = of_get_child_by_name(np, "regulators"); if (!regulators) { dev_err(&pdev->dev, "regulator node not found\n"); return NULL; @@ -1074,7 +1074,7 @@ static int tps65910_probe(struct platform_device *pdev) tps65910_reg_set_bits(pmic->mfd, TPS65910_DEVCTRL, DEVCTRL_SR_CTL_I2C_SEL_MASK); - switch(tps65910_chip_id(tps65910)) { + switch (tps65910_chip_id(tps65910)) { case TPS65910: pmic->get_ctrl_reg = &tps65910_get_ctrl_register; pmic->num_regulators = ARRAY_SIZE(tps65910_regs); @@ -1177,35 +1177,19 @@ static int tps65910_probe(struct platform_device *pdev) if (tps65910_reg_matches) config.of_node = tps65910_reg_matches[i].of_node; - rdev = regulator_register(&pmic->desc[i], &config); + rdev = devm_regulator_register(&pdev->dev, &pmic->desc[i], + &config); if (IS_ERR(rdev)) { dev_err(tps65910->dev, "failed to register %s regulator\n", pdev->name); - err = PTR_ERR(rdev); - goto err_unregister_regulator; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ pmic->rdev[i] = rdev; } return 0; - -err_unregister_regulator: - while (--i >= 0) - regulator_unregister(pmic->rdev[i]); - return err; -} - -static int tps65910_remove(struct platform_device *pdev) -{ - struct tps65910_reg *pmic = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < pmic->num_regulators; i++) - regulator_unregister(pmic->rdev[i]); - - return 0; } static void tps65910_shutdown(struct platform_device *pdev) @@ -1244,7 +1228,6 @@ static struct platform_driver tps65910_driver = { .owner = THIS_MODULE, }, .probe = tps65910_probe, - .remove = tps65910_remove, .shutdown = tps65910_shutdown, }; diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c index 281e52ac64ba..9cafaa0f9455 100644 --- a/drivers/regulator/tps65912-regulator.c +++ b/drivers/regulator/tps65912-regulator.c @@ -119,12 +119,9 @@ struct tps65912_reg { }; static const struct regulator_linear_range tps65912_ldo_ranges[] = { - { .min_uV = 800000, .max_uV = 1600000, .min_sel = 0, .max_sel = 32, - .uV_step = 25000 }, - { .min_uV = 1650000, .max_uV = 3000000, .min_sel = 33, .max_sel = 60, - .uV_step = 50000 }, - { .min_uV = 3100000, .max_uV = 3300000, .min_sel = 61, .max_sel = 63, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(800000, 0, 32, 25000), + REGULATOR_LINEAR_RANGE(1650000, 33, 60, 50000), + REGULATOR_LINEAR_RANGE(3100000, 61, 63, 100000), }; static int tps65912_get_range(struct tps65912_reg *pmic, int id) @@ -461,7 +458,7 @@ static int tps65912_probe(struct platform_device *pdev) struct regulator_dev *rdev; struct tps65912_reg *pmic; struct tps65912_board *pmic_plat_data; - int i, err; + int i; pmic_plat_data = dev_get_platdata(tps65912->dev); if (!pmic_plat_data) @@ -504,34 +501,19 @@ static int tps65912_probe(struct platform_device *pdev) config.init_data = reg_data; config.driver_data = pmic; - rdev = regulator_register(&pmic->desc[i], &config); + rdev = devm_regulator_register(&pdev->dev, &pmic->desc[i], + &config); if (IS_ERR(rdev)) { dev_err(tps65912->dev, "failed to register %s regulator\n", pdev->name); - err = PTR_ERR(rdev); - goto err; + return PTR_ERR(rdev); } /* Save regulator for cleanup */ pmic->rdev[i] = rdev; } return 0; - -err: - while (--i >= 0) - regulator_unregister(pmic->rdev[i]); - return err; -} - -static int tps65912_remove(struct platform_device *pdev) -{ - struct tps65912_reg *tps65912_reg = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < TPS65912_NUM_REGULATOR; i++) - regulator_unregister(tps65912_reg->rdev[i]); - return 0; } static struct platform_driver tps65912_driver = { @@ -540,7 +522,6 @@ static struct platform_driver tps65912_driver = { .owner = THIS_MODULE, }, .probe = tps65912_probe, - .remove = tps65912_remove, }; static int __init tps65912_init(void) diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c index 6511d0bfd896..71f457a42623 100644 --- a/drivers/regulator/tps80031-regulator.c +++ b/drivers/regulator/tps80031-regulator.c @@ -719,7 +719,7 @@ static int tps80031_regulator_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "regulator config failed, e %d\n", ret); - goto fail; + return ret; } ret = tps80031_power_req_config(pdev->dev.parent, @@ -727,41 +727,22 @@ static int tps80031_regulator_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "pwr_req config failed, err %d\n", ret); - goto fail; + return ret; } } - rdev = regulator_register(&ri->rinfo->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &ri->rinfo->desc, + &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "register regulator failed %s\n", ri->rinfo->desc.name); - ret = PTR_ERR(rdev); - goto fail; + return PTR_ERR(rdev); } ri->rdev = rdev; } platform_set_drvdata(pdev, pmic); return 0; -fail: - while (--num >= 0) { - ri = &pmic[num]; - regulator_unregister(ri->rdev); - } - return ret; -} - -static int tps80031_regulator_remove(struct platform_device *pdev) -{ - struct tps80031_regulator *pmic = platform_get_drvdata(pdev); - struct tps80031_regulator *ri = NULL; - int num; - - for (num = 0; num < TPS80031_REGULATOR_MAX; ++num) { - ri = &pmic[num]; - regulator_unregister(ri->rdev); - } - return 0; } static struct platform_driver tps80031_regulator_driver = { @@ -770,7 +751,6 @@ static struct platform_driver tps80031_regulator_driver = { .owner = THIS_MODULE, }, .probe = tps80031_regulator_probe, - .remove = tps80031_regulator_remove, }; static int __init tps80031_regulator_init(void) diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 78aae4cbb004..8ebd785485c7 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -1188,7 +1188,7 @@ static int twlreg_probe(struct platform_device *pdev) config.driver_data = info; config.of_node = pdev->dev.of_node; - rdev = regulator_register(&info->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "can't register %s, %ld\n", info->desc.name, PTR_ERR(rdev)); @@ -1217,7 +1217,6 @@ static int twlreg_remove(struct platform_device *pdev) struct regulator_dev *rdev = platform_get_drvdata(pdev); struct twlreg_info *info = rdev->reg_data; - regulator_unregister(rdev); kfree(info); return 0; } diff --git a/drivers/regulator/vexpress.c b/drivers/regulator/vexpress.c index 4668c7f8133d..f3ae28a7e663 100644 --- a/drivers/regulator/vexpress.c +++ b/drivers/regulator/vexpress.c @@ -96,7 +96,7 @@ static int vexpress_regulator_probe(struct platform_device *pdev) config.driver_data = reg; config.of_node = pdev->dev.of_node; - reg->regdev = regulator_register(®->desc, &config); + reg->regdev = devm_regulator_register(&pdev->dev, ®->desc, &config); if (IS_ERR(reg->regdev)) { err = PTR_ERR(reg->regdev); goto error_regulator_register; @@ -119,7 +119,6 @@ static int vexpress_regulator_remove(struct platform_device *pdev) struct vexpress_regulator *reg = platform_get_drvdata(pdev); vexpress_config_func_put(reg->func); - regulator_unregister(reg->regdev); return 0; } diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 11861cb861df..6823e6f2b88a 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -387,8 +387,9 @@ static struct regulator_ops wm831x_buckv_ops = { * Set up DVS control. We just log errors since we can still run * (with reduced performance) if we fail. */ -static void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc, - struct wm831x_buckv_pdata *pdata) +static void wm831x_buckv_dvs_init(struct platform_device *pdev, + struct wm831x_dcdc *dcdc, + struct wm831x_buckv_pdata *pdata) { struct wm831x *wm831x = dcdc->wm831x; int ret; @@ -402,9 +403,9 @@ static void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc, */ dcdc->dvs_gpio_state = pdata->dvs_init_state; - ret = gpio_request_one(pdata->dvs_gpio, - dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0, - "DCDC DVS"); + ret = devm_gpio_request_one(&pdev->dev, pdata->dvs_gpio, + dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0, + "DCDC DVS"); if (ret < 0) { dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n", dcdc->name, ret); @@ -513,7 +514,8 @@ static int wm831x_buckv_probe(struct platform_device *pdev) dcdc->dvs_vsel = ret & WM831X_DC1_DVS_VSEL_MASK; if (pdata && pdata->dcdc[id]) - wm831x_buckv_dvs_init(dcdc, pdata->dcdc[id]->driver_data); + wm831x_buckv_dvs_init(pdev, dcdc, + pdata->dcdc[id]->driver_data); config.dev = pdev->dev.parent; if (pdata) @@ -521,7 +523,8 @@ static int wm831x_buckv_probe(struct platform_device *pdev) config.driver_data = dcdc; config.regmap = wm831x->regmap; - dcdc->regulator = regulator_register(&dcdc->desc, &config); + dcdc->regulator = devm_regulator_register(&pdev->dev, &dcdc->desc, + &config); if (IS_ERR(dcdc->regulator)) { ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n", @@ -530,57 +533,35 @@ static int wm831x_buckv_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq, - IRQF_TRIGGER_RISING, dcdc->name, dcdc); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_uv_irq, + IRQF_TRIGGER_RISING, dcdc->name, dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "HC")); - ret = request_threaded_irq(irq, NULL, wm831x_dcdc_oc_irq, - IRQF_TRIGGER_RISING, dcdc->name, dcdc); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_oc_irq, + IRQF_TRIGGER_RISING, dcdc->name, dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request HC IRQ %d: %d\n", irq, ret); - goto err_uv; + goto err; } platform_set_drvdata(pdev, dcdc); return 0; -err_uv: - free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")), - dcdc); -err_regulator: - regulator_unregister(dcdc->regulator); err: - if (dcdc->dvs_gpio) - gpio_free(dcdc->dvs_gpio); return ret; } -static int wm831x_buckv_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - struct wm831x *wm831x = dcdc->wm831x; - - free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "HC")), - dcdc); - free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")), - dcdc); - regulator_unregister(dcdc->regulator); - if (dcdc->dvs_gpio) - gpio_free(dcdc->dvs_gpio); - - return 0; -} - static struct platform_driver wm831x_buckv_driver = { .probe = wm831x_buckv_probe, - .remove = wm831x_buckv_remove, .driver = { .name = "wm831x-buckv", .owner = THIS_MODULE, @@ -681,7 +662,8 @@ static int wm831x_buckp_probe(struct platform_device *pdev) config.driver_data = dcdc; config.regmap = wm831x->regmap; - dcdc->regulator = regulator_register(&dcdc->desc, &config); + dcdc->regulator = devm_regulator_register(&pdev->dev, &dcdc->desc, + &config); if (IS_ERR(dcdc->regulator)) { ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n", @@ -690,38 +672,25 @@ static int wm831x_buckp_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq, - IRQF_TRIGGER_RISING, dcdc->name, dcdc); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_uv_irq, + IRQF_TRIGGER_RISING, dcdc->name, dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, dcdc); return 0; -err_regulator: - regulator_unregister(dcdc->regulator); err: return ret; } -static int wm831x_buckp_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(dcdc->wm831x, platform_get_irq_byname(pdev, "UV")), - dcdc); - regulator_unregister(dcdc->regulator); - - return 0; -} - static struct platform_driver wm831x_buckp_driver = { .probe = wm831x_buckp_probe, - .remove = wm831x_buckp_remove, .driver = { .name = "wm831x-buckp", .owner = THIS_MODULE, @@ -813,7 +782,8 @@ static int wm831x_boostp_probe(struct platform_device *pdev) config.driver_data = dcdc; config.regmap = wm831x->regmap; - dcdc->regulator = regulator_register(&dcdc->desc, &config); + dcdc->regulator = devm_regulator_register(&pdev->dev, &dcdc->desc, + &config); if (IS_ERR(dcdc->regulator)) { ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n", @@ -822,39 +792,26 @@ static int wm831x_boostp_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq, - IRQF_TRIGGER_RISING, dcdc->name, - dcdc); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_dcdc_uv_irq, + IRQF_TRIGGER_RISING, dcdc->name, + dcdc); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, dcdc); return 0; -err_regulator: - regulator_unregister(dcdc->regulator); err: return ret; } -static int wm831x_boostp_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(dcdc->wm831x, platform_get_irq_byname(pdev, "UV")), - dcdc); - regulator_unregister(dcdc->regulator); - - return 0; -} - static struct platform_driver wm831x_boostp_driver = { .probe = wm831x_boostp_probe, - .remove = wm831x_boostp_remove, .driver = { .name = "wm831x-boostp", .owner = THIS_MODULE, @@ -914,7 +871,8 @@ static int wm831x_epe_probe(struct platform_device *pdev) config.driver_data = dcdc; config.regmap = wm831x->regmap; - dcdc->regulator = regulator_register(&dcdc->desc, &config); + dcdc->regulator = devm_regulator_register(&pdev->dev, &dcdc->desc, + &config); if (IS_ERR(dcdc->regulator)) { ret = PTR_ERR(dcdc->regulator); dev_err(wm831x->dev, "Failed to register EPE%d: %d\n", @@ -930,18 +888,8 @@ err: return ret; } -static int wm831x_epe_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - - regulator_unregister(dcdc->regulator); - - return 0; -} - static struct platform_driver wm831x_epe_driver = { .probe = wm831x_epe_probe, - .remove = wm831x_epe_remove, .driver = { .name = "wm831x-epe", .owner = THIS_MODULE, diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c index 4eb373de1fac..0339b886df5d 100644 --- a/drivers/regulator/wm831x-isink.c +++ b/drivers/regulator/wm831x-isink.c @@ -194,7 +194,8 @@ static int wm831x_isink_probe(struct platform_device *pdev) config.init_data = pdata->isink[id]; config.driver_data = isink; - isink->regulator = regulator_register(&isink->desc, &config); + isink->regulator = devm_regulator_register(&pdev->dev, &isink->desc, + &config); if (IS_ERR(isink->regulator)) { ret = PTR_ERR(isink->regulator); dev_err(wm831x->dev, "Failed to register ISINK%d: %d\n", @@ -203,38 +204,26 @@ static int wm831x_isink_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq(pdev, 0)); - ret = request_threaded_irq(irq, NULL, wm831x_isink_irq, - IRQF_TRIGGER_RISING, isink->name, isink); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_isink_irq, + IRQF_TRIGGER_RISING, isink->name, + isink); if (ret != 0) { dev_err(&pdev->dev, "Failed to request ISINK IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, isink); return 0; -err_regulator: - regulator_unregister(isink->regulator); err: return ret; } -static int wm831x_isink_remove(struct platform_device *pdev) -{ - struct wm831x_isink *isink = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(isink->wm831x, platform_get_irq(pdev, 0)), isink); - - regulator_unregister(isink->regulator); - - return 0; -} - static struct platform_driver wm831x_isink_driver = { .probe = wm831x_isink_probe, - .remove = wm831x_isink_remove, .driver = { .name = "wm831x-isink", .owner = THIS_MODULE, diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 2205fbc2c37b..46d6700467b5 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -63,10 +63,8 @@ static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data) */ static const struct regulator_linear_range wm831x_gp_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1600000, .min_sel = 0, .max_sel = 14, - .uV_step = 50000 }, - { .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(900000, 0, 14, 50000), + REGULATOR_LINEAR_RANGE(1700000, 15, 31, 100000), }; static int wm831x_gp_ldo_set_suspend_voltage(struct regulator_dev *rdev, @@ -279,7 +277,8 @@ static int wm831x_gp_ldo_probe(struct platform_device *pdev) config.driver_data = ldo; config.regmap = wm831x->regmap; - ldo->regulator = regulator_register(&ldo->desc, &config); + ldo->regulator = devm_regulator_register(&pdev->dev, &ldo->desc, + &config); if (IS_ERR(ldo->regulator)) { ret = PTR_ERR(ldo->regulator); dev_err(wm831x->dev, "Failed to register LDO%d: %d\n", @@ -288,39 +287,26 @@ static int wm831x_gp_ldo_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq, - IRQF_TRIGGER_RISING, ldo->name, - ldo); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_ldo_uv_irq, + IRQF_TRIGGER_RISING, ldo->name, + ldo); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, ldo); return 0; -err_regulator: - regulator_unregister(ldo->regulator); err: return ret; } -static int wm831x_gp_ldo_remove(struct platform_device *pdev) -{ - struct wm831x_ldo *ldo = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(ldo->wm831x, - platform_get_irq_byname(pdev, "UV")), ldo); - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver wm831x_gp_ldo_driver = { .probe = wm831x_gp_ldo_probe, - .remove = wm831x_gp_ldo_remove, .driver = { .name = "wm831x-ldo", .owner = THIS_MODULE, @@ -332,10 +318,8 @@ static struct platform_driver wm831x_gp_ldo_driver = { */ static const struct regulator_linear_range wm831x_aldo_ranges[] = { - { .min_uV = 1000000, .max_uV = 1600000, .min_sel = 0, .max_sel = 12, - .uV_step = 50000 }, - { .min_uV = 1700000, .max_uV = 3500000, .min_sel = 13, .max_sel = 31, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(1000000, 0, 12, 50000), + REGULATOR_LINEAR_RANGE(1700000, 13, 31, 100000), }; static int wm831x_aldo_set_suspend_voltage(struct regulator_dev *rdev, @@ -505,7 +489,8 @@ static int wm831x_aldo_probe(struct platform_device *pdev) config.driver_data = ldo; config.regmap = wm831x->regmap; - ldo->regulator = regulator_register(&ldo->desc, &config); + ldo->regulator = devm_regulator_register(&pdev->dev, &ldo->desc, + &config); if (IS_ERR(ldo->regulator)) { ret = PTR_ERR(ldo->regulator); dev_err(wm831x->dev, "Failed to register LDO%d: %d\n", @@ -514,38 +499,25 @@ static int wm831x_aldo_probe(struct platform_device *pdev) } irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")); - ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq, - IRQF_TRIGGER_RISING, ldo->name, ldo); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wm831x_ldo_uv_irq, + IRQF_TRIGGER_RISING, ldo->name, ldo); if (ret != 0) { dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n", irq, ret); - goto err_regulator; + goto err; } platform_set_drvdata(pdev, ldo); return 0; -err_regulator: - regulator_unregister(ldo->regulator); err: return ret; } -static int wm831x_aldo_remove(struct platform_device *pdev) -{ - struct wm831x_ldo *ldo = platform_get_drvdata(pdev); - - free_irq(wm831x_irq(ldo->wm831x, platform_get_irq_byname(pdev, "UV")), - ldo); - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver wm831x_aldo_driver = { .probe = wm831x_aldo_probe, - .remove = wm831x_aldo_remove, .driver = { .name = "wm831x-aldo", .owner = THIS_MODULE, @@ -663,7 +635,8 @@ static int wm831x_alive_ldo_probe(struct platform_device *pdev) config.driver_data = ldo; config.regmap = wm831x->regmap; - ldo->regulator = regulator_register(&ldo->desc, &config); + ldo->regulator = devm_regulator_register(&pdev->dev, &ldo->desc, + &config); if (IS_ERR(ldo->regulator)) { ret = PTR_ERR(ldo->regulator); dev_err(wm831x->dev, "Failed to register LDO%d: %d\n", @@ -679,18 +652,8 @@ err: return ret; } -static int wm831x_alive_ldo_remove(struct platform_device *pdev) -{ - struct wm831x_ldo *ldo = platform_get_drvdata(pdev); - - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver wm831x_alive_ldo_driver = { .probe = wm831x_alive_ldo_probe, - .remove = wm831x_alive_ldo_remove, .driver = { .name = "wm831x-alive-ldo", .owner = THIS_MODULE, diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 61ca9292a429..de7b9c73e3fa 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -543,10 +543,8 @@ static int wm8350_dcdc_set_suspend_mode(struct regulator_dev *rdev, } static const struct regulator_linear_range wm8350_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 15, - .uV_step = 50000 }, - { .min_uV = 1800000, .max_uV = 3300000, .min_sel = 16, .max_sel = 31, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(900000, 0, 15, 50000), + REGULATOR_LINEAR_RANGE(1800000, 16, 31, 100000), }; static int wm8350_ldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) @@ -1206,7 +1204,8 @@ static int wm8350_regulator_probe(struct platform_device *pdev) config.regmap = wm8350->regmap; /* register regulator */ - rdev = regulator_register(&wm8350_reg[pdev->id], &config); + rdev = devm_regulator_register(&pdev->dev, &wm8350_reg[pdev->id], + &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register %s\n", wm8350_reg[pdev->id].name); @@ -1217,7 +1216,6 @@ static int wm8350_regulator_probe(struct platform_device *pdev) ret = wm8350_register_irq(wm8350, wm8350_reg[pdev->id].irq, pmic_uv_handler, 0, "UV", rdev); if (ret < 0) { - regulator_unregister(rdev); dev_err(&pdev->dev, "failed to register regulator %s IRQ\n", wm8350_reg[pdev->id].name); return ret; @@ -1233,8 +1231,6 @@ static int wm8350_regulator_remove(struct platform_device *pdev) wm8350_free_irq(wm8350, wm8350_reg[pdev->id].irq, rdev); - regulator_unregister(rdev); - return 0; } diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index 58f51bec13f2..82d829000851 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c @@ -20,10 +20,8 @@ #include <linux/mfd/wm8400-private.h> static const struct regulator_linear_range wm8400_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1600000, .min_sel = 0, .max_sel = 14, - .uV_step = 50000 }, - { .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31, - .uV_step = 100000 }, + REGULATOR_LINEAR_RANGE(900000, 0, 14, 50000), + REGULATOR_LINEAR_RANGE(1700000, 15, 31, 100000), }; static struct regulator_ops wm8400_ldo_ops = { @@ -219,7 +217,8 @@ static int wm8400_regulator_probe(struct platform_device *pdev) config.driver_data = wm8400; config.regmap = wm8400->regmap; - rdev = regulator_register(®ulators[pdev->id], &config); + rdev = devm_regulator_register(&pdev->dev, ®ulators[pdev->id], + &config); if (IS_ERR(rdev)) return PTR_ERR(rdev); @@ -228,21 +227,11 @@ static int wm8400_regulator_probe(struct platform_device *pdev) return 0; } -static int wm8400_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - - regulator_unregister(rdev); - - return 0; -} - static struct platform_driver wm8400_regulator_driver = { .driver = { .name = "wm8400-regulator", }, .probe = wm8400_regulator_probe, - .remove = wm8400_regulator_remove, }; /** diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c index 5ee2a208457c..71c5911f2e71 100644 --- a/drivers/regulator/wm8994-regulator.c +++ b/drivers/regulator/wm8994-regulator.c @@ -165,7 +165,9 @@ static int wm8994_ldo_probe(struct platform_device *pdev) ldo->init_data = *pdata->ldo[id].init_data; } - ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &config); + ldo->regulator = devm_regulator_register(&pdev->dev, + &wm8994_ldo_desc[id], + &config); if (IS_ERR(ldo->regulator)) { ret = PTR_ERR(ldo->regulator); dev_err(wm8994->dev, "Failed to register LDO%d: %d\n", @@ -181,18 +183,8 @@ err: return ret; } -static int wm8994_ldo_remove(struct platform_device *pdev) -{ - struct wm8994_ldo *ldo = platform_get_drvdata(pdev); - - regulator_unregister(ldo->regulator); - - return 0; -} - static struct platform_driver wm8994_ldo_driver = { .probe = wm8994_ldo_probe, - .remove = wm8994_ldo_remove, .driver = { .name = "wm8994-ldo", .owner = THIS_MODULE, diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index cebe97ee98b8..7314fc4e6d25 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -59,6 +59,12 @@ struct mfd_cell { * pm_runtime_no_callbacks(). */ bool pm_runtime_no_callbacks; + + /* A list of regulator supplies that should be mapped to the MFD + * device rather than the child device when requested + */ + const char **parent_supplies; + int num_parent_supplies; }; /* diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 27be915caa96..e530681bea70 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -146,6 +146,32 @@ struct regulator *__must_check devm_regulator_get_optional(struct device *dev, void regulator_put(struct regulator *regulator); void devm_regulator_put(struct regulator *regulator); +int regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id); +void regulator_unregister_supply_alias(struct device *dev, const char *id); + +int regulator_bulk_register_supply_alias(struct device *dev, const char **id, + struct device *alias_dev, + const char **alias_id, int num_id); +void regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, int num_id); + +int devm_regulator_register_supply_alias(struct device *dev, const char *id, + struct device *alias_dev, + const char *alias_id); +void devm_regulator_unregister_supply_alias(struct device *dev, + const char *id); + +int devm_regulator_bulk_register_supply_alias(struct device *dev, + const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id); +void devm_regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id); + /* regulator output control and status */ int __must_check regulator_enable(struct regulator *regulator); int regulator_disable(struct regulator *regulator); @@ -250,6 +276,59 @@ static inline void devm_regulator_put(struct regulator *regulator) { } +static inline int regulator_register_supply_alias(struct device *dev, + const char *id, + struct device *alias_dev, + const char *alias_id) +{ + return 0; +} + +static inline void regulator_unregister_supply_alias(struct device *dev, + const char *id) +{ +} + +static inline int regulator_bulk_register_supply_alias(struct device *dev, + const char **id, + struct device *alias_dev, + const char **alias_id, + int num_id) +{ + return 0; +} + +static inline void regulator_bulk_unregister_supply_alias(struct device *dev, + const char **id, + int num_id) +{ +} + +static inline int devm_regulator_register_supply_alias(struct device *dev, + const char *id, + struct device *alias_dev, + const char *alias_id) +{ + return 0; +} + +static inline void devm_regulator_unregister_supply_alias(struct device *dev, + const char *id) +{ +} + +static inline int devm_regulator_bulk_register_supply_alias( + struct device *dev, const char **id, struct device *alias_dev, + const char **alias_id, int num_id) +{ + return 0; +} + +static inline void devm_regulator_bulk_unregister_supply_alias( + struct device *dev, const char **id, int num_id) +{ +} + static inline int regulator_enable(struct regulator *regulator) { return 0; diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 9bdad43ad228..9370e65348a4 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -46,19 +46,26 @@ enum regulator_status { * regulator_list_linear_range(). * * @min_uV: Lowest voltage in range - * @max_uV: Highest voltage in range * @min_sel: Lowest selector for range * @max_sel: Highest selector for range * @uV_step: Step size */ struct regulator_linear_range { unsigned int min_uV; - unsigned int max_uV; unsigned int min_sel; unsigned int max_sel; unsigned int uV_step; }; +/* Initialize struct regulator_linear_range */ +#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ +{ \ + .min_uV = _min_uV, \ + .min_sel = _min_sel, \ + .max_sel = _max_sel, \ + .uV_step = _step_uV, \ +} + /** * struct regulator_ops - regulator operations. * @@ -209,6 +216,7 @@ enum regulator_type { * @min_uV: Voltage given by the lowest selector (if linear mapping) * @uV_step: Voltage increase with each selector (if linear mapping) * @linear_min_sel: Minimal selector for starting linear mapping + * @fixed_uV: Fixed voltage of rails. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) * @volt_table: Voltage mapping table (if table based mapping) * @@ -241,6 +249,7 @@ struct regulator_desc { unsigned int min_uV; unsigned int uV_step; unsigned int linear_min_sel; + int fixed_uV; unsigned int ramp_delay; const struct regulator_linear_range *linear_ranges; @@ -336,7 +345,12 @@ struct regulator_dev { struct regulator_dev * regulator_register(const struct regulator_desc *regulator_desc, const struct regulator_config *config); +struct regulator_dev * +devm_regulator_register(struct device *dev, + const struct regulator_desc *regulator_desc, + const struct regulator_config *config); void regulator_unregister(struct regulator_dev *rdev); +void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev); int regulator_notifier_call_chain(struct regulator_dev *rdev, unsigned long event, void *data); diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 999b20ce06cf..730e638c5589 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -95,6 +95,7 @@ struct regulator_state { * @initial_state: Suspend state to set by default. * @initial_mode: Mode to set at startup. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) + * @enable_time: Turn-on time of the rails (unit: microseconds) */ struct regulation_constraints { @@ -129,6 +130,7 @@ struct regulation_constraints { unsigned int initial_mode; unsigned int ramp_delay; + unsigned int enable_time; /* constraint flags */ unsigned always_on:1; /* regulator never off when system is on */ @@ -193,15 +195,10 @@ int regulator_suspend_finish(void); #ifdef CONFIG_REGULATOR void regulator_has_full_constraints(void); -void regulator_use_dummy_regulator(void); #else static inline void regulator_has_full_constraints(void) { } - -static inline void regulator_use_dummy_regulator(void) -{ -} #endif #endif |