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-rw-r--r--include/linux/regulator/driver.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index fc0ee0ce8325..28da08e4671f 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -301,6 +301,9 @@ struct regulator_desc {
* NULL).
* @regmap: regmap to use for core regmap helpers if dev_get_regulator() is
* insufficient.
+ * @ena_gpio_initialized: GPIO controlling regulator enable was properly
+ * initialized, meaning that >= 0 is a valid gpio
+ * identifier and < 0 is a non existent gpio.
* @ena_gpio: GPIO controlling regulator enable.
* @ena_gpio_invert: Sense for GPIO enable control.
* @ena_gpio_flags: Flags to use when calling gpio_request_one()
@@ -312,6 +315,7 @@ struct regulator_config {
struct device_node *of_node;
struct regmap *regmap;
+ bool ena_gpio_initialized;
int ena_gpio;
unsigned int ena_gpio_invert:1;
unsigned int ena_gpio_flags;