diff options
Diffstat (limited to 'drivers/regulator/core.c')
-rw-r--r-- | drivers/regulator/core.c | 189 |
1 files changed, 1 insertions, 188 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a01b8b3b70ca..906deb7354ed 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -36,6 +36,7 @@ #include <trace/events/regulator.h> #include "dummy.h" +#include "internal.h" #define rdev_crit(rdev, fmt, ...) \ pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) @@ -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); @@ -1353,40 +1335,6 @@ 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" - * @id: Supply name or regulator ID. - * - * Managed regulator_get(). Regulators returned from this function are - * automatically regulator_put() on driver detach. See regulator_get() for more - * information. - */ -struct regulator *devm_regulator_get(struct device *dev, const char *id) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = regulator_get(dev, id); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get); - /** * regulator_get_exclusive - obtain exclusive access to a regulator. * @dev: device for regulator "consumer" @@ -1443,36 +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) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = regulator_get_optional(dev, id); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get_optional); - /* Locks held by regulator_put() */ static void _regulator_put(struct regulator *regulator) { @@ -1499,36 +1417,6 @@ static void _regulator_put(struct regulator *regulator) } /** - * devm_regulator_get_exclusive - Resource managed regulator_get_exclusive() - * @dev: device for regulator "consumer" - * @id: Supply name or regulator ID. - * - * Managed regulator_get_exclusive(). Regulators returned from this function - * are automatically regulator_put() on driver detach. See regulator_get() for - * more information. - */ -struct regulator *devm_regulator_get_exclusive(struct device *dev, - const char *id) -{ - struct regulator **ptr, *regulator; - - ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - regulator = _regulator_get(dev, id, 1); - if (!IS_ERR(regulator)) { - *ptr = regulator; - devres_add(dev, ptr); - } else { - devres_free(ptr); - } - - return regulator; -} -EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive); - -/** * regulator_put - "free" the regulator source * @regulator: regulator source * @@ -1544,35 +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) @@ -2912,52 +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; |