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-rw-r--r--include/linux/regulator/machine.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h
index bac64fa390f..9328090eca2 100644
--- a/include/linux/regulator/machine.h
+++ b/include/linux/regulator/machine.h
@@ -126,13 +126,18 @@ struct regulation_constraints {
/**
* struct regulator_consumer_supply - supply -> device mapping
*
- * This maps a supply name to a device.
+ * This maps a supply name to a device. Only one of dev or dev_name
+ * can be specified. Use of dev_name allows support for buses which
+ * make struct device available late such as I2C and is the preferred
+ * form.
*
* @dev: Device structure for the consumer.
+ * @dev_name: Result of dev_name() for the consumer.
* @supply: Name for the supply.
*/
struct regulator_consumer_supply {
struct device *dev; /* consumer */
+ const char *dev_name; /* dev_name() for consumer */
const char *supply; /* consumer supply - e.g. "vcc" */
};