From 1aa20d27b4d23c18a20a9268e49e5d21a74789ff Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:42:46 +0100 Subject: regulator: wm831x-dcdc: Convert to devm_gpio_request_one() Saves code in the unwind path. Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 11861cb..8f62750 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) @@ -557,8 +559,6 @@ err_uv: err_regulator: regulator_unregister(dcdc->regulator); err: - if (dcdc->dvs_gpio) - gpio_free(dcdc->dvs_gpio); return ret; } @@ -572,8 +572,6 @@ static int wm831x_buckv_remove(struct platform_device *pdev) 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; } -- cgit v0.10.2 From b0c4c0c68982156bfb94993305e69a03309395c3 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:47:39 +0100 Subject: regulator: wm831x-dcdc: Convert to devm_request_threaded_irq() devm guarantees that resources are freed in the opposite order to that in which they are registered. Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 8f62750..aca2fcb 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -532,8 +532,9 @@ 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); @@ -541,21 +542,19 @@ static int wm831x_buckv_probe(struct platform_device *pdev) } 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_regulator; } 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: @@ -565,12 +564,7 @@ err: 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); return 0; @@ -688,8 +682,9 @@ 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); @@ -710,8 +705,6 @@ 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; @@ -820,9 +813,10 @@ 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); @@ -843,8 +837,6 @@ 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; -- cgit v0.10.2 From 63fb3149c8ba2b0194ba7e967f2dafc1c8c0da69 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:48:45 +0100 Subject: regulator: wm831x-isink: Use devm_request_threaded_irq() devm guarantees that resources are freed in the opposite order to that in which they are allocated. Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c index 4eb373d..841cb52 100644 --- a/drivers/regulator/wm831x-isink.c +++ b/drivers/regulator/wm831x-isink.c @@ -203,8 +203,10 @@ 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); @@ -225,8 +227,6 @@ 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; -- cgit v0.10.2 From 41c7a879d1d637c0c9731682a822b1c3162b0764 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:50:00 +0100 Subject: regulator: wm831x-ldo: Use devm_request_threaded_irq() devm guarantees that resources are freed in the oposite order to that in which they are allocated. Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 1432b26..5570f3e 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -288,9 +288,10 @@ 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); @@ -311,8 +312,6 @@ 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; @@ -514,8 +513,9 @@ 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); @@ -536,8 +536,6 @@ 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; -- cgit v0.10.2 From b33e46bcdc4e598d738ed12a5a7906be4e11d786 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:58:26 +0100 Subject: regulator: core: Provide managed regulator registration Many regulator drivers have a remove function that consists solely of calling regulator_unregister() so provide a devm_regulator_register() in order to allow this repeated code to be removed and help eliminate error handling code. Signed-off-by: Mark Brown diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index fcb34a5..3d9c2a7 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/drivers/regulator/core.c b/drivers/regulator/core.c index a01b8b3..5f995d2 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3492,6 +3492,44 @@ clean: } EXPORT_SYMBOL_GPL(regulator_register); +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 automaticall 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); + /** * regulator_unregister - unregister regulator * @rdev: regulator to unregister @@ -3521,6 +3559,34 @@ void regulator_unregister(struct regulator_dev *rdev) } EXPORT_SYMBOL_GPL(regulator_unregister); +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); + /** * regulator_suspend_prepare - prepare regulators for system wide suspend * @state: system suspend state diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 67e13aa..8474c7f 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -334,7 +334,12 @@ 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); -- cgit v0.10.2 From 14ffa8882bbd991497f2f87ce80382e5a1e6eb8f Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:56:47 +0100 Subject: regulator: arizona-ldo1: Convert to devm_regulator_register() Signed-off-by: Mark Brown diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c index 81d8681..4f6c205 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, -- cgit v0.10.2 From b6b7709cf95c6f5db074f2d725ddf29b0977589f Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:57:00 +0100 Subject: regulator: arizona-micsupp: Convert to devm_regulator_register() Signed-off-by: Mark Brown diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c index e87536b..724706a 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, -- cgit v0.10.2 From b707a274455f8f80feab24b999dad9e649c98c9c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:57:16 +0100 Subject: regulator: s2mps11: Convert to devm_regulator_register() Signed-off-by: Mark Brown Acked-by: Sangbeom Kim diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 5eba2ff..d7c241e 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -453,28 +453,11 @@ common_reg: 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 +472,6 @@ static struct platform_driver s2mps11_pmic_driver = { .owner = THIS_MODULE, }, .probe = s2mps11_pmic_probe, - .remove = s2mps11_pmic_remove, .id_table = s2mps11_pmic_id, }; -- cgit v0.10.2 From f0db475dee8fdae611364829ceb7afcd6aa02166 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:57:34 +0100 Subject: regulator: s5m8767: Covert to devm_regulator_register() Signed-off-by: Mark Brown Acked-by: Sangbeom Kim diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index c24448b..2297fdf 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -910,34 +910,17 @@ 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 +935,6 @@ static struct platform_driver s5m8767_pmic_driver = { .owner = THIS_MODULE, }, .probe = s5m8767_pmic_probe, - .remove = s5m8767_pmic_remove, .id_table = s5m8767_pmic_id, }; -- cgit v0.10.2 From d73b4cb7b3632ccd726746e9cb43002f1adf7956 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:58:40 +0100 Subject: regulator: wm831x-dcdc: Convert to devm_regulator_register() Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index aca2fcb..6823e6f 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -523,7 +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", @@ -538,7 +539,7 @@ static int wm831x_buckv_probe(struct platform_device *pdev) 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")); @@ -548,31 +549,19 @@ static int wm831x_buckv_probe(struct platform_device *pdev) if (ret != 0) { dev_err(&pdev->dev, "Failed to request HC 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_buckv_remove(struct platform_device *pdev) -{ - struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev); - - regulator_unregister(dcdc->regulator); - - return 0; -} - static struct platform_driver wm831x_buckv_driver = { .probe = wm831x_buckv_probe, - .remove = wm831x_buckv_remove, .driver = { .name = "wm831x-buckv", .owner = THIS_MODULE, @@ -673,7 +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", @@ -688,31 +678,19 @@ static int wm831x_buckp_probe(struct platform_device *pdev) 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); - - 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, @@ -804,7 +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", @@ -820,31 +799,19 @@ static int wm831x_boostp_probe(struct platform_device *pdev) 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); - - 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, @@ -904,7 +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", @@ -920,18 +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, -- cgit v0.10.2 From af151ded1b4b22dbedd8cb1600fcaf72e3eaf31e Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 11:59:57 +0100 Subject: regulator: wm831x-isink: Convert to devm_regulator_register() Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c index 841cb52..0339b88 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", @@ -210,31 +211,19 @@ static int wm831x_isink_probe(struct platform_device *pdev) 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); - - 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, -- cgit v0.10.2 From fc7c60e390c9b99b28d078c27360cb6cd688cfd3 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 12:00:17 +0100 Subject: regulator: wm831x-ldo: Convert to devm_regulator_register() Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 5570f3e..2be72fe 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -279,7 +279,8 @@ 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", @@ -295,31 +296,19 @@ static int wm831x_gp_ldo_probe(struct platform_device *pdev) 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); - - 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, @@ -504,7 +493,8 @@ 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", @@ -519,31 +509,19 @@ static int wm831x_aldo_probe(struct platform_device *pdev) 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); - - 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, @@ -661,7 +639,8 @@ 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", @@ -677,18 +656,8 @@ 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, -- cgit v0.10.2 From e57e54693371fe1530f376c8a67c33d19bb2a0dc Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 12:00:37 +0100 Subject: regulator: wm8350: Convert to devm_regulator_register() Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 835b5f0..a438e93 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -1206,7 +1206,8 @@ 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 +1218,6 @@ 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 +1233,6 @@ static int wm8350_regulator_remove(struct platform_device *pdev) wm8350_free_irq(wm8350, wm8350_reg[pdev->id].irq, rdev); - regulator_unregister(rdev); - return 0; } -- cgit v0.10.2 From eb8b3c8360408b78ca99492f8c1fec080c75dd71 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 12:00:57 +0100 Subject: regulator: wm8400: Convert to devm_regulator_register() Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index 58f51be..870b52f 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c @@ -219,7 +219,8 @@ 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 +229,11 @@ 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, }; /** -- cgit v0.10.2 From 9e2bfbbdf203c954a306a5e402a84c24622c55b0 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 31 Aug 2013 12:01:12 +0100 Subject: regulator: wm8994: Convert to devm_regulator_register Signed-off-by: Mark Brown diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c index 5ee2a20..71c5911 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, -- cgit v0.10.2 From bcb5fe44875b09756c5e81925de19f9ca5bb9117 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 3 Sep 2013 14:17:36 +0800 Subject: regulator: 88pm8607: Convert to devm_regulator_register Signed-off-by: Axel Lin Signed-off-by: Mark Brown diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c index 7023097..f704d83 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, }; -- cgit v0.10.2 From b1a613d505c53ad4f4af4cf228841a1784a50011 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 3 Sep 2013 14:19:00 +0800 Subject: regulator: aat2870: Convert to devm_regulator_register Signed-off-by: Axel Lin Acked-by: Jinyoung Park Signed-off-by: Mark Brown diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c index 881159d..f70a9bf 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) -- cgit v0.10.2 From 9b2cdac712448ca182dabeffd36bd532c53f3935 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 3 Sep 2013 14:20:25 +0800 Subject: regulator: ad5398: Convert to devm_regulator_register Signed-off-by: Axel Lin Signed-off-by: Mark Brown diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c index b2b203c..48016a0 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", }, -- cgit v0.10.2 From 27447c934a9e6ea7753f61211ef06327915ed0d2 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 3 Sep 2013 14:22:00 +0800 Subject: regulator: as3711: Convert to devm_regulator_register Signed-off-by: Axel Lin Signed-off-by: Mark Brown diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c index 8406cd7..fb27e6c 100644 --- a/drivers/regulator/as3711-regulator.c +++ b/drivers/regulator/as3711-regulator.c @@ -273,33 +273,16 @@ 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 +291,6 @@ 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) -- cgit v0.10.2 From 4e8d79355da117b4be7ea6f870eabc7f18740f2c Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 3 Sep 2013 14:23:14 +0800 Subject: regulator: da903x: Convert to devm_regulator_register Signed-off-by: Axel Lin Signed-off-by: Mark Brown diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c index f06854c..c61d96e 100644 --- a/drivers/regulator/da903x.c +++ b/drivers/regulator/da903x.c @@ -463,7 +463,7 @@ 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 +474,12 @@ 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) -- cgit v0.10.2 From ea49a5ebbbfa982c893d4d6cf68feeb829f58324 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 3 Sep 2013 14:24:46 +0800 Subject: regulator: da9052: Convert to devm_regulator_register Signed-off-by: Axel Lin Signed-off-by: Mark Brown diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c index 1e4d483..c427e42 100644 --- a/drivers/regulator/da9052-regulator.c +++ b/drivers/regulator/da9052-regulator.c @@ -389,8 +389,9 @@ 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 +403,8 @@ 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, -- cgit v0.10.2 From 0d3288063b4e45335ea011b89d0850a0fd76096c Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 3 Sep 2013 14:26:10 +0800 Subject: regulator: da9055: Convert to devm_regulator_register Signed-off-by: Axel Lin Signed-off-by: Mark Brown diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index 77b53e5..7f34020 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, -- cgit v0.10.2 From b15f5f7603fe9963e2201874f6e6c6cc0410b4d1 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 3 Sep 2013 14:27:56 +0800 Subject: regulator: fan53555: Convert to devm_regulator_register Signed-off-by: Axel Lin Signed-off-by: Mark Brown diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c index 70b7220..7ca3d9e 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, }; -- cgit v0.10.2 From d55cd794d6ae9d0730c0b039c0a2d5d0e5ff12c4 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 12:12:15 +0530 Subject: regulator: s2mps11: Use devm_regulator_register Commit e398b51a ("regulator: s2mps11: Convert to devm_regulator_register()") intended to do this conversion. However the actual conversion to devm_* got missed out. Fix this. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index d7c241e..333677d 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -448,7 +448,8 @@ 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", -- cgit v0.10.2 From 44815b4a619065f510cffa2976722e78381d4fd2 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:07:54 +0530 Subject: regulator: max77686: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c index f563057..de5b30e 100644 --- a/drivers/regulator/max77686.c +++ b/drivers/regulator/max77686.c @@ -478,32 +478,17 @@ 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 +503,6 @@ static struct platform_driver max77686_pmic_driver = { .owner = THIS_MODULE, }, .probe = max77686_pmic_probe, - .remove = max77686_pmic_remove, .id_table = max77686_pmic_id, }; -- cgit v0.10.2 From 249cc1f21ee22d9cfead5ae552d91b9669d16c83 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:07:55 +0530 Subject: regulator: max1586: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c index 3a599ee..e242dd3 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, -- cgit v0.10.2 From 027a27545cc09dfc392d056437c5eb3f260d7e43 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:07:56 +0530 Subject: regulator: max77693: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c index ce4b96c..2054ae1 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 +266,17 @@ 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 +292,6 @@ static struct platform_driver max77693_pmic_driver = { .owner = THIS_MODULE, }, .probe = max77693_pmic_probe, - .remove = max77693_pmic_remove, .id_table = max77693_pmic_id, }; -- cgit v0.10.2 From e453f92eec6d72db0d7fe6bab2e0a710dc6cd927 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:07:57 +0530 Subject: regulator: max8649: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c index 19c6f08..7f049c9 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", }, -- cgit v0.10.2 From dcfb6b56f18b5d9eff9b784d4e5b4a085f149de2 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:07:58 +0530 Subject: regulator: max8660: Use devm_regulator_register devm_* simplifies the code. [Fixups from rebase onto v3.12 code -- broonie] Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c index 144bcac..8d94d3d 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, -- cgit v0.10.2 From 5ecdf140f21c50c08be34a83b44f28722813366c Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:07:59 +0530 Subject: regulator: max8907-regulator: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max8907-regulator.c b/drivers/regulator/max8907-regulator.c index 4568c15..0c5fe6c 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) -- cgit v0.10.2 From 8d581fd01c922f9df586074078d70027156cfff8 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:08:00 +0530 Subject: regulator: max8973-regulator: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index 5b77ab7..892aa1e 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, }; -- cgit v0.10.2 From 4177f95b8433f809228ab485e3303ae4708c98ca Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:08:01 +0530 Subject: regulator: max8997: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index df20069..059e8ed 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -1081,7 +1081,7 @@ 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 +1090,7 @@ 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 +1099,7 @@ 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 +1143,23 @@ 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 +1204,17 @@ 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, }; -- cgit v0.10.2 From 8d491bf42e01e8cc7597ee55cdeab20dbc75ec97 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 11:08:02 +0530 Subject: regulator: max8998: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index a4c53b2..ae3f065 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, }; -- cgit v0.10.2 From be1221e893775d8447623475a01f877b902fc8b4 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 12:00:57 +0530 Subject: regulator: anatop-regulator: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Acked-by: Marek Vasut Signed-off-by: Mark Brown diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 0d4a8cc..e42bfd1 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; -- cgit v0.10.2 From 0ab6e8ca54d22f986a488bbc493e01f1394a3b2b Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 12:00:58 +0530 Subject: regulator: isl6271a-regulator: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Acked-by: Marek Vasut Signed-off-by: Mark Brown diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c index 88c1a3a..6e5da95 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, }; -- cgit v0.10.2 From 8e568635afcce245d771c2fc527f3902b6d2e723 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 12:00:59 +0530 Subject: regulator: mc13783: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Acked-by: Marek Vasut Signed-off-by: Mark Brown diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c index 5ff99d2..f036b26 100644 --- a/drivers/regulator/mc13783-regulator.c +++ b/drivers/regulator/mc13783-regulator.c @@ -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, }; -- cgit v0.10.2 From 8c0b4ab5024c7b7d3498957cdbe4fea151142f7a Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 12:01:00 +0530 Subject: regulator: mc13892: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Acked-by: Marek Vasut Signed-off-by: Mark Brown diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c index 1037e07..96c9f80 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, }; -- cgit v0.10.2 From 51c86b3eb80ebe0a35aba5ba3e96b22d61043ad1 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 12:01:01 +0530 Subject: regulator: palmas: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 488dfe7..6c9670f 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -862,7 +862,7 @@ 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]; @@ -874,7 +874,7 @@ 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; } /* Register the regulators */ @@ -915,7 +915,7 @@ 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; @@ -931,7 +931,7 @@ 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; } @@ -947,13 +947,13 @@ 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 */ @@ -1015,13 +1015,13 @@ 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 */ @@ -1039,7 +1039,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) id, reg_init); if (ret) { regulator_unregister(pmic->rdev[id]); - goto err_unregister_regulator; + return ret; } } } @@ -1047,21 +1047,6 @@ static int palmas_regulators_probe(struct platform_device *pdev) 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 +1068,6 @@ static struct platform_driver palmas_driver = { .owner = THIS_MODULE, }, .probe = palmas_regulators_probe, - .remove = palmas_regulators_remove, }; static int __init palmas_init(void) -- cgit v0.10.2 From 1377530910da1502b07d09df1a368ce9a246c114 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 12:01:02 +0530 Subject: regulator: rc5t583: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Acked-by: Marek Vasut Signed-off-by: Mark Brown diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c index 5885b45..b58affb 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) -- cgit v0.10.2 From 91dfc80d84eee076a835fb34d053618e63667370 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 12:01:03 +0530 Subject: regulator: ti-abb: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index d8e3e12..8c2a819 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -696,39 +696,31 @@ 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 @@ -738,8 +730,7 @@ 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 */ @@ -759,17 +750,14 @@ 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 (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"; @@ -778,12 +766,11 @@ 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"; @@ -792,12 +779,11 @@ 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: @@ -807,31 +793,29 @@ 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); @@ -849,12 +833,12 @@ 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); @@ -862,31 +846,12 @@ 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, -- cgit v0.10.2 From 1084081dc8e5556e91539de082eaae89e39516c9 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:44 +0530 Subject: regulator: tps51632: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c index 9392a7c..b0a3f09 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, }; -- cgit v0.10.2 From 58c6e938c00de744d52f739aa426a4b1b13ef22b Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:45 +0530 Subject: regulator: tps62360: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c index 0b7ebb1..c2c0185 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, }; -- cgit v0.10.2 From 9c7c9eae5f7ac57465c0ac6adc8e3ad3afad2544 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:46 +0530 Subject: regulator: tps65023: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c index a15263d..a957579 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 */ @@ -296,21 +296,6 @@ static int tps_65023_probe(struct i2c_client *client, 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 +415,6 @@ static struct i2c_driver tps_65023_i2c_driver = { .owner = THIS_MODULE, }, .probe = tps_65023_probe, - .remove = tps_65023_remove, .id_table = tps_65023_id, }; -- cgit v0.10.2 From 71b710e705b3b152f0e5682aa179a8c2d2cbb4cd Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:47 +0530 Subject: regulator: tps6507x: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c index 4117ff5..162a0fa 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) -- cgit v0.10.2 From 9738efae695733a9d367bd083e6ae0474dc5bd3c Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:48 +0530 Subject: regulator: tps65090: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps65090-regulator.c b/drivers/regulator/tps65090-regulator.c index c8e7045..bd611cdf 100644 --- a/drivers/regulator/tps65090-regulator.c +++ b/drivers/regulator/tps65090-regulator.c @@ -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) -- cgit v0.10.2 From 4aac198ddcfe38c7cf10cb2d23497b4a5ad24fdf Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:49 +0530 Subject: regulator: tps65217: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index 90861d6..8860379 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -233,7 +233,7 @@ 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 +269,18 @@ 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 +288,6 @@ 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) -- cgit v0.10.2 From 884ea5570f1eda8a1e0f5235cba4f00bafed450e Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:50 +0530 Subject: regulator: tps6586x: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 2c9155b..45e5d68 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -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) -- cgit v0.10.2 From 95095e422e94afa5a286c2a015aad4c039c9cbd4 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:51 +0530 Subject: regulator: tps65910: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index 45c1644..b8167df 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -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, }; -- cgit v0.10.2 From ab1d65e03afdafa991bb208ade089d36b0e1d2ad Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:52 +0530 Subject: regulator: tps65912: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c index 281e52a..1ed4d04 100644 --- a/drivers/regulator/tps65912-regulator.c +++ b/drivers/regulator/tps65912-regulator.c @@ -461,7 +461,7 @@ 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 +504,19 @@ 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 +525,6 @@ static struct platform_driver tps65912_driver = { .owner = THIS_MODULE, }, .probe = tps65912_probe, - .remove = tps65912_remove, }; static int __init tps65912_init(void) -- cgit v0.10.2 From 0fb0c82e8135d3de9eff2a05202f6870ec378392 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Wed, 4 Sep 2013 17:17:53 +0530 Subject: regulator: tps80031: Use devm_regulator_register devm_* simplifies the code. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c index 6511d0b..71f457a 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) -- cgit v0.10.2 From 42141f22e32a452b02b3dc8764d93223505e1c10 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Thu, 5 Sep 2013 09:22:02 +0530 Subject: regulator: core: Fix a trivial typo Changed automaticall -> automatically. Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 5f995d2..85e8cbe 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3504,7 +3504,7 @@ static void devm_rdev_release(struct device *dev, void *res) * * 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 automaticall be released when the device + * error. The regulator will automatically be released when the device * is unbound. */ struct regulator_dev *devm_regulator_register(struct device *dev, -- cgit v0.10.2 From cab87f062d0c57c9734257e4079ced489a3189b1 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Thu, 5 Sep 2013 09:22:03 +0530 Subject: regulator: Remove redundant NULL assignment NULL assignment corrupts the error pointer and is not necessary. Reported-by: kbuild test robot Signed-off-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c index de5b30e..ae001cc 100644 --- a/drivers/regulator/max77686.c +++ b/drivers/regulator/max77686.c @@ -483,7 +483,6 @@ static int max77686_pmic_probe(struct platform_device *pdev) if (IS_ERR(max77686->rdev[i])) { dev_err(&pdev->dev, "regulator init failed for %d\n", i); - max77686->rdev[i] = NULL; return PTR_ERR(max77686->rdev[i]); } } diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c index 2054ae1..feb20bf 100644 --- a/drivers/regulator/max77693.c +++ b/drivers/regulator/max77693.c @@ -271,7 +271,6 @@ static int max77693_pmic_probe(struct platform_device *pdev) if (IS_ERR(max77693_pmic->rdev[i])) { dev_err(max77693_pmic->dev, "Failed to initialize regulator-%d\n", id); - max77693_pmic->rdev[i] = NULL; return PTR_ERR(max77693_pmic->rdev[i]); } } diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index 059e8ed..bcd2488 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -1209,7 +1209,6 @@ static int max8997_pmic_probe(struct platform_device *pdev) if (IS_ERR(rdev[i])) { dev_err(max8997->dev, "regulator init failed for %d\n", id); - rdev[i] = NULL; return PTR_ERR(rdev[i]); } } -- cgit v0.10.2 From cb2e45e31615bc37b31b44fc257042a860ce82b8 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Thu, 5 Sep 2013 11:31:25 +0800 Subject: regulator: palmas: Drop regulator_unregister while using devm_regulator_register Commmit af40a94aba "regulator: palmas: Use devm_regulator_register" missed removing a regulator_unregister() call if palmas_extreg_init falis. Fix it. Signed-off-by: Axel Lin Acked-by: Sachin Kamat Signed-off-by: Mark Brown diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 6c9670f..b5278ac 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -1037,10 +1037,8 @@ 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]); + if (ret) return ret; - } } } } -- cgit v0.10.2 From cee8e355942c01f408bddf8a53596be1dff7a86b Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Sun, 1 Sep 2013 12:24:17 +0800 Subject: regulator: core: Refactor devm_regulator_get* APIs The implementation of devm_regulator_get, devm_regulator_get_exclusive and devm_regulator_get_optional are almost the same. Introduce _devm_regulator_get helper function and refactor the code. Also move devm_regulator_get_exclusive to proper place, put it after regulator_get_exclusive() function. Signed-off-by: Axel Lin Signed-off-by: Mark Brown diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 85e8cbe..388397b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1334,6 +1334,50 @@ out: return regulator; } +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; +} + /** * regulator_get - lookup and obtain a reference to a regulator. * @dev: device for regulator "consumer" @@ -1353,11 +1397,6 @@ struct regulator *regulator_get(struct device *dev, const char *id) } 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" @@ -1369,21 +1408,7 @@ static void devm_regulator_release(struct device *dev, void *res) */ 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; + return _devm_regulator_get(dev, id, NORMAL_GET); } EXPORT_SYMBOL_GPL(devm_regulator_get); @@ -1415,6 +1440,22 @@ struct regulator *regulator_get_exclusive(struct device *dev, const char *id) EXPORT_SYMBOL_GPL(regulator_get_exclusive); /** + * 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); + +/** * regulator_get_optional - obtain optional access to a regulator. * @dev: device for regulator "consumer" * @id: Supply name or regulator ID. @@ -1455,21 +1496,7 @@ EXPORT_SYMBOL_GPL(regulator_get_optional); 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; + return _devm_regulator_get(dev, id, OPTIONAL_GET); } EXPORT_SYMBOL_GPL(devm_regulator_get_optional); @@ -1499,36 +1526,6 @@ 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 * -- cgit v0.10.2 From 0cdfcc0f9352a4c076fbb51299e2b12a35619a51 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 11 Sep 2013 13:15:40 +0100 Subject: regulator: core: Split devres code out into a separate file Cut down on the size of core.c a bit more and ensure that the devres versions of things don't do too much peering inside the internals of the APIs they wrap. Signed-off-by: Mark Brown diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 185cce2..69db4c8 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 diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 388397b..906deb7 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -36,6 +36,7 @@ #include #include "dummy.h" +#include "internal.h" #define rdev_crit(rdev, fmt, ...) \ pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) @@ -82,25 +83,6 @@ struct regulator_enable_gpio { unsigned int ena_gpio_invert:1; }; -/* - * 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; -}; - static int _regulator_is_enabled(struct regulator_dev *rdev); static int _regulator_disable(struct regulator_dev *rdev); static int _regulator_get_voltage(struct regulator_dev *rdev); @@ -1334,50 +1316,6 @@ out: return regulator; } -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; -} - /** * regulator_get - lookup and obtain a reference to a regulator. * @dev: device for regulator "consumer" @@ -1398,21 +1336,6 @@ struct regulator *regulator_get(struct device *dev, const char *id) EXPORT_SYMBOL_GPL(regulator_get); /** - * 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); - -/** * regulator_get_exclusive - obtain exclusive access to a regulator. * @dev: device for regulator "consumer" * @id: Supply name or regulator ID. @@ -1440,22 +1363,6 @@ struct regulator *regulator_get_exclusive(struct device *dev, const char *id) EXPORT_SYMBOL_GPL(regulator_get_exclusive); /** - * 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); - -/** * regulator_get_optional - obtain optional access to a regulator. * @dev: device for regulator "consumer" * @id: Supply name or regulator ID. @@ -1484,22 +1391,6 @@ struct regulator *regulator_get_optional(struct device *dev, const char *id) } 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) -{ - return _devm_regulator_get(dev, id, OPTIONAL_GET); -} -EXPORT_SYMBOL_GPL(devm_regulator_get_optional); - /* Locks held by regulator_put() */ static void _regulator_put(struct regulator *regulator) { @@ -1541,35 +1432,6 @@ void regulator_put(struct regulator *regulator) } EXPORT_SYMBOL_GPL(regulator_put); -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); - /* Manage enable GPIO list. Same GPIO pin can be shared among regulators */ static int regulator_ena_gpio_request(struct regulator_dev *rdev, const struct regulator_config *config) @@ -2909,52 +2771,6 @@ 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; @@ -3489,44 +3305,6 @@ clean: } EXPORT_SYMBOL_GPL(regulator_register); -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); - /** * regulator_unregister - unregister regulator * @rdev: regulator to unregister @@ -3556,34 +3334,6 @@ void regulator_unregister(struct regulator_dev *rdev) } EXPORT_SYMBOL_GPL(regulator_unregister); -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); - /** * regulator_suspend_prepare - prepare regulators for system wide suspend * @state: system suspend state diff --git a/drivers/regulator/devres.c b/drivers/regulator/devres.c new file mode 100644 index 0000000..2672a02 --- /dev/null +++ b/drivers/regulator/devres.c @@ -0,0 +1,252 @@ +/* + * 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 +#include +#include +#include +#include +#include + +#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); diff --git a/drivers/regulator/internal.h b/drivers/regulator/internal.h new file mode 100644 index 0000000..84bbda1 --- /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 + * + * 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 -- cgit v0.10.2 From a06ccd9c3785fa5550917ae036944f4e080b5749 Mon Sep 17 00:00:00 2001 From: Charles Keepax Date: Tue, 15 Oct 2013 20:14:20 +0100 Subject: regulator: core: Add ability to create a lookup alias for supply These patches add the ability to create an alternative device on which a lookup for a certain supply should be conducted. A common use-case for this would be devices that are logically represented as a collection of drivers within Linux but are are presented as a single device from device tree. It this case it is necessary for each sub device to locate their supply data on the main device. Signed-off-by: Charles Keepax Signed-off-by: Mark Brown diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 906deb7..16427de 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -53,6 +53,7 @@ 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; @@ -83,6 +84,19 @@ struct regulator_enable_gpio { unsigned int ena_gpio_invert:1; }; +/* + * struct regulator_supply_alias + * + * Used to map lookups for a supply onto an alternative device. + */ +struct regulator_supply_alias { + struct list_head list; + 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); static int _regulator_disable(struct regulator_dev *rdev); static int _regulator_get_voltage(struct regulator_dev *rdev); @@ -1173,6 +1187,32 @@ static int _regulator_get_enable_time(struct regulator_dev *rdev) 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) @@ -1182,6 +1222,8 @@ 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); @@ -1432,6 +1474,134 @@ void regulator_put(struct regulator *regulator) } EXPORT_SYMBOL_GPL(regulator_put); +/** + * 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_supply_alias *map; + + map = regulator_find_supply_alias(dev, id); + if (map) { + list_del(&map->list); + kfree(map); + } +} +EXPORT_SYMBOL_GPL(regulator_unregister_supply_alias); + +/** + * 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. + * + * 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. + */ +int 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 = 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; + + for (i = 0; i < num_id; ++i) + regulator_unregister_supply_alias(dev, id[i]); +} +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, const struct regulator_config *config) diff --git a/drivers/regulator/devres.c b/drivers/regulator/devres.c index 2672a02..f44818b 100644 --- a/drivers/regulator/devres.c +++ b/drivers/regulator/devres.c @@ -250,3 +250,166 @@ void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev) 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/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 27be915..e530681 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; -- cgit v0.10.2 From 7fcd427465e710d0c4e2737d2f02b2ffa14b9bb3 Mon Sep 17 00:00:00 2001 From: Charles Keepax Date: Tue, 15 Oct 2013 20:14:21 +0100 Subject: mfd: Allow mapping regulator supplies to MFD device from children Occasionally, it is useful to map supplies from a child device onto the MFD device. A typical usecase for this would be if the MFD device is represented as a single node in device tree. All supplies will be defined in device tree as existing on the MFD device. When a child depends on frameworks which might have no knowledge of MFD to lookup supplies on its behalf the supply will not be found. This patch adds a list of supplies that should be looked up on the parent rather than the child as part of the mfd_cell structure. Signed-off-by: Charles Keepax Acked-by: Lee Jones Signed-off-by: Mark Brown diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index f421586..adc8ea3 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -20,6 +20,7 @@ #include #include #include +#include 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/include/linux/mfd/core.h b/include/linux/mfd/core.h index cebe97e..7314fc4 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; }; /* -- cgit v0.10.2 From 32dadef2190efd2e06331825b11881daf100d6d9 Mon Sep 17 00:00:00 2001 From: Charles Keepax Date: Tue, 15 Oct 2013 20:14:22 +0100 Subject: mfd: arizona: Specify supply mappings for Arizona CODECs The CODEC power supplies should be looked up on the Arizona device as they will be created here by device tree also update the only user of non-device tree bindings. Signed-off-by: Charles Keepax Acked-by: Lee Jones Signed-off-by: Mark Brown diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index eb8e5a1..f27ca3b 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 5ac3aa4..022b186 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) -- cgit v0.10.2