static LIST_HEAD(regulator_list);
static LIST_HEAD(regulator_map_list);
-/**
+/*
* struct regulator_dev
*
* Voltage / Current regulator class device. One for each regulator.
void *reg_data; /* regulator_dev data */
};
-/**
+/*
* struct regulator_map
*
* Used to provide symbolic supply names to devices.
/**
* set_machine_constraints - sets regulator constraints
- * @regulator: regulator source
+ * @rdev: regulator source
+ * @constraints: constraints to apply
*
* Allows platform initialisation code to define and constrain
* regulator circuits e.g. valid voltage/current ranges, etc. NOTE:
/**
* set_supply - set regulator supply regulator
- * @regulator: regulator name
- * @supply: supply regulator name
+ * @rdev: regulator name
+ * @supply_rdev: supply regulator name
*
* Called by platform initialisation code to set the supply regulator for this
* regulator. This ensures that a regulators supply will also be enabled by the
/**
* set_consumer_device_supply: Bind a regulator to a symbolic supply
- * @regulator: regulator source
- * @dev: device the supply applies to
- * @supply: symbolic name for supply
+ * @rdev: regulator source
+ * @consumer_dev: device the supply applies to
+ * @supply: symbolic name for supply
*
* Allows platform initialisation code to map physical regulator
* sources to symbolic names for supplies for use by devices. Devices
if (supply == NULL)
return -EINVAL;
+ list_for_each_entry(node, ®ulator_map_list, list) {
+ if (consumer_dev != node->dev)
+ continue;
+ if (strcmp(node->supply, supply) != 0)
+ continue;
+
+ dev_dbg(consumer_dev, "%s/%s is '%s' supply; fail %s/%s\n",
+ dev_name(&node->regulator->dev),
+ node->regulator->desc->name,
+ supply,
+ dev_name(&rdev->dev), rdev->desc->name);
+ return -EBUSY;
+ }
+
node = kmalloc(sizeof(struct regulator_map), GFP_KERNEL);
if (node == NULL)
return -ENOMEM;
* regulator_enable - enable regulator output
* @regulator: regulator source
*
- * Enable the regulator output at the predefined voltage or current value.
+ * Request that the regulator be enabled with the regulator output at
+ * the predefined voltage or current value. Calls to regulator_enable()
+ * must be balanced with calls to regulator_disable().
+ *
* NOTE: the output value can be set by other drivers, boot loader or may be
* hardwired in the regulator.
- * NOTE: calls to regulator_enable() must be balanced with calls to
- * regulator_disable().
*/
int regulator_enable(struct regulator *regulator)
{
* regulator_disable - disable regulator output
* @regulator: regulator source
*
- * Disable the regulator output voltage or current.
- * NOTE: this will only disable the regulator output if no other consumer
- * devices have it enabled.
- * NOTE: calls to regulator_enable() must be balanced with calls to
+ * Disable the regulator output voltage or current. Calls to
+ * regulator_enable() must be balanced with calls to
* regulator_disable().
+ *
+ * NOTE: this will only disable the regulator output if no other consumer
+ * devices have it enabled, the regulator device supports disabling and
+ * machine constraints permit this operation.
*/
int regulator_disable(struct regulator *regulator)
{
*
* NOTE: If the regulator is shared between several devices then the lowest
* request voltage that meets the system constraints will be used.
- * NOTE: Regulator system constraints must be set for this regulator before
+ * Regulator system constraints must be set for this regulator before
* calling this function otherwise this call will fail.
*/
int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV)
/**
* regulator_register_notifier - register regulator event notifier
* @regulator: regulator source
- * @notifier_block: notifier block
+ * @nb: notifier block
*
* Register notifier block to receive regulator events.
*/
/**
* regulator_unregister_notifier - unregister regulator event notifier
* @regulator: regulator source
- * @notifier_block: notifier block
+ * @nb: notifier block
*
* Unregister regulator event notifier block.
*/
/**
* regulator_notifier_call_chain - call regulator event notifier
- * @regulator: regulator source
+ * @rdev: regulator source
* @event: notifier block
- * @data:
+ * @data: callback-specific data.
*
* Called by regulator drivers to notify clients a regulator event has
* occurred. We also notify regulator clients downstream.
/**
* regulator_register - register regulator
- * @regulator: regulator source
- * @reg_data: private regulator data
+ * @regulator_desc: regulator to register
+ * @dev: struct device for the regulator
+ * @driver_data: private regulator data
*
* Called by regulator drivers to register a regulator.
* Returns 0 on success.
/**
* regulator_unregister - unregister regulator
- * @regulator: regulator source
+ * @rdev: regulator to unregister
*
* Called by regulator drivers to unregister a regulator.
*/
EXPORT_SYMBOL_GPL(regulator_unregister);
/**
- * regulator_suspend_prepare: prepare regulators for system wide suspend
+ * regulator_suspend_prepare - prepare regulators for system wide suspend
* @state: system suspend state
*
* Configure each regulator with it's suspend operating parameters for state.
/**
* rdev_get_drvdata - get rdev regulator driver data
- * @regulator: regulator
+ * @rdev: regulator
*
* Get rdev regulator driver private data. This call can be used in the
* regulator driver context.
/**
* regulator_get_id - get regulator ID
- * @regulator: regulator
+ * @rdev: regulator
*/
int rdev_get_id(struct regulator_dev *rdev)
{
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff