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>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index f17362a..0ed13c2 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -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
  *

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 2254ad9..c263e36 100644 (file)
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -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);