regulator: Add initial per-regulator debugfs support
We only expose the use and open counts to userspace, providing a tiny
bit of insight into what the API is up to.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 975ae06..b8ed16a 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -175,9 +175,9 @@
*/
struct regulator_dev {
struct regulator_desc *desc;
- int use_count;
- int open_count;
int exclusive;
+ u32 use_count;
+ u32 open_count;
/* lists we belong to */
struct list_head list; /* list of all regulators */
@@ -195,6 +195,10 @@
struct regulator_dev *supply; /* for tree */
void *reg_data; /* regulator_dev data */
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs;
+#endif
};
struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,