regulator: Add devm_regulator_get()
Add a resource managed regulator_get() to simplify regulator
usage in drivers. This allows driver authors to "get and forget"
about their regulators by automatically calling regulator_put()
when the driver is detached.
[Fixed up a couple of coding style issues -- broonie]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index f2698a0..bcfe106 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -132,6 +132,8 @@
/* regulator get and put */
struct regulator *__must_check regulator_get(struct device *dev,
const char *id);
+struct regulator *__must_check devm_regulator_get(struct device *dev,
+ const char *id);
struct regulator *__must_check regulator_get_exclusive(struct device *dev,
const char *id);
void regulator_put(struct regulator *regulator);
@@ -200,6 +202,13 @@
*/
return NULL;
}
+
+static inline struct regulator *__must_check
+devm_regulator_get(struct device *dev, const char *id)
+{
+ return NULL;
+}
+
static inline void regulator_put(struct regulator *regulator)
{
}