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regulator: Hoist struct regulator_dev out of core to fix notifiers 

Commit 872ed3fe176833f7d43748eb88010da4bbd2f983 caused regulator drivers
to take the struct regulator_dev lock themselves which requires that the
struct be visible to them. Band aid this by making the struct visible.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2009-01-21 14:08:40 +00:00 committed by Liam Girdwood
parent fefdae4246
commit 1fa9ad52b0
2 changed files with 32 additions and 27 deletions
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27
drivers/regulator/core.c
View File

@ -29,33 +29,6 @@ static DEFINE_MUTEX(regulator_list_mutex);
static LIST_HEAD(regulator_list);
static LIST_HEAD(regulator_map_list);
/*
* struct regulator_dev
*
* Voltage / Current regulator class device. One for each regulator.
*/
struct regulator_dev {
struct regulator_desc *desc;
int use_count;
/* lists we belong to */
struct list_head list; /* list of all regulators */
struct list_head slist; /* list of supplied regulators */
/* lists we own */
struct list_head consumer_list; /* consumers we supply */
struct list_head supply_list; /* regulators we supply */
struct blocking_notifier_head notifier;
struct mutex mutex; /* consumer lock */
struct module *owner;
struct device dev;
struct regulation_constraints *constraints;
struct regulator_dev *supply; /* for tree */
void *reg_data; /* regulator_dev data */
};
/*
* struct regulator_map
*

32
include/linux/regulator/driver.h
View File

@ -137,6 +137,38 @@ struct regulator_desc {
struct module *owner;
};
/*
* struct regulator_dev
*
* Voltage / Current regulator class device. One for each
* regulator.
*
* This should *not* be used directly by anything except the regulator
* core and notification injection (which should take the mutex and do
* no other direct access).
*/
struct regulator_dev {
struct regulator_desc *desc;
int use_count;
/* lists we belong to */
struct list_head list; /* list of all regulators */
struct list_head slist; /* list of supplied regulators */
/* lists we own */
struct list_head consumer_list; /* consumers we supply */
struct list_head supply_list; /* regulators we supply */
struct blocking_notifier_head notifier;
struct mutex mutex; /* consumer lock */
struct module *owner;
struct device dev;
struct regulation_constraints *constraints;
struct regulator_dev *supply; /* for tree */
void *reg_data; /* regulator_dev data */
};
struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
struct device *dev, struct regulator_init_data *init_data,
void *driver_data);