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>

2 files changed, 32 insertions, 27 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index f17362ac9c61..0ed13c2a8c3c 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -30,33 +30,6 @@ 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
  *
  * Used to provide symbolic supply names to devices.
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 2254ad93b784..c263e36e564e 100644
--- 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);