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 <broonie@linaro.org>

1 files changed, 1 insertions, 251 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 388397bb3192..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);
@@ -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