gpio: devres: Switch to EXPORT_SYMBOL_GPL()

Change all exported symbols for managed GPIO functions from
EXPORT_SYMBOL() to EXPORT_SYMBOL_GPL(), like is used for their
non-managed counterparts.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190906084539.21838-5-geert+renesas@glider.beSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpiolib-devres.c

@@ -59,7 +59,7 @@ struct gpio_desc *__must_check devm_gpiod_get(struct device *dev,
 {
 	return devm_gpiod_get_index(dev, con_id, 0, flags);
 }
-EXPORT_SYMBOL(devm_gpiod_get);
+EXPORT_SYMBOL_GPL(devm_gpiod_get);
 
 /**
  * devm_gpiod_get_optional - Resource-managed gpiod_get_optional()
@@ -77,7 +77,7 @@ struct gpio_desc *__must_check devm_gpiod_get_optional(struct device *dev,
 {
 	return devm_gpiod_get_index_optional(dev, con_id, 0, flags);
 }
-EXPORT_SYMBOL(devm_gpiod_get_optional);
+EXPORT_SYMBOL_GPL(devm_gpiod_get_optional);
 
 /**
  * devm_gpiod_get_index - Resource-managed gpiod_get_index()
@@ -127,7 +127,7 @@ struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev,
 
 	return desc;
 }
-EXPORT_SYMBOL(devm_gpiod_get_index);
+EXPORT_SYMBOL_GPL(devm_gpiod_get_index);
 
 /**
  * devm_gpiod_get_from_of_node() - obtain a GPIO from an OF node
@@ -182,7 +182,7 @@ struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
 
 	return desc;
 }
-EXPORT_SYMBOL(devm_gpiod_get_from_of_node);
+EXPORT_SYMBOL_GPL(devm_gpiod_get_from_of_node);
 
 /**
  * devm_fwnode_get_index_gpiod_from_child - get a GPIO descriptor from a
@@ -239,7 +239,7 @@ struct gpio_desc *devm_fwnode_get_index_gpiod_from_child(struct device *dev,
 
 	return desc;
 }
-EXPORT_SYMBOL(devm_fwnode_get_index_gpiod_from_child);
+EXPORT_SYMBOL_GPL(devm_fwnode_get_index_gpiod_from_child);
 
 /**
  * devm_gpiod_get_index_optional - Resource-managed gpiod_get_index_optional()
@@ -268,7 +268,7 @@ struct gpio_desc *__must_check devm_gpiod_get_index_optional(struct device *dev,
 
 	return desc;
 }
-EXPORT_SYMBOL(devm_gpiod_get_index_optional);
+EXPORT_SYMBOL_GPL(devm_gpiod_get_index_optional);
 
 /**
  * devm_gpiod_get_array - Resource-managed gpiod_get_array()
@@ -303,7 +303,7 @@ struct gpio_descs *__must_check devm_gpiod_get_array(struct device *dev,
 
 	return descs;
 }
-EXPORT_SYMBOL(devm_gpiod_get_array);
+EXPORT_SYMBOL_GPL(devm_gpiod_get_array);
 
 /**
  * devm_gpiod_get_array_optional - Resource-managed gpiod_get_array_optional()
@@ -328,7 +328,7 @@ devm_gpiod_get_array_optional(struct device *dev, const char *con_id,
 
 	return descs;
 }
-EXPORT_SYMBOL(devm_gpiod_get_array_optional);
+EXPORT_SYMBOL_GPL(devm_gpiod_get_array_optional);
 
 /**
  * devm_gpiod_put - Resource-managed gpiod_put()
@@ -344,7 +344,7 @@ void devm_gpiod_put(struct device *dev, struct gpio_desc *desc)
 	WARN_ON(devres_release(dev, devm_gpiod_release, devm_gpiod_match,
 		&desc));
 }
-EXPORT_SYMBOL(devm_gpiod_put);
+EXPORT_SYMBOL_GPL(devm_gpiod_put);
 
 /**
  * devm_gpiod_unhinge - Remove resource management from a gpio descriptor
@@ -374,7 +374,7 @@ void devm_gpiod_unhinge(struct device *dev, struct gpio_desc *desc)
 	/* Anything else we should warn about */
 	WARN_ON(ret);
 }
-EXPORT_SYMBOL(devm_gpiod_unhinge);
+EXPORT_SYMBOL_GPL(devm_gpiod_unhinge);
 
 /**
  * devm_gpiod_put_array - Resource-managed gpiod_put_array()
@@ -390,7 +390,7 @@ void devm_gpiod_put_array(struct device *dev, struct gpio_descs *descs)
 	WARN_ON(devres_release(dev, devm_gpiod_release_array,
 			       devm_gpiod_match_array, &descs));
 }
-EXPORT_SYMBOL(devm_gpiod_put_array);
+EXPORT_SYMBOL_GPL(devm_gpiod_put_array);
 
 
 
@@ -444,7 +444,7 @@ int devm_gpio_request(struct device *dev, unsigned gpio, const char *label)
 
 	return 0;
 }
-EXPORT_SYMBOL(devm_gpio_request);
+EXPORT_SYMBOL_GPL(devm_gpio_request);
 
 /**
  *	devm_gpio_request_one - request a single GPIO with initial setup
@@ -474,7 +474,7 @@ int devm_gpio_request_one(struct device *dev, unsigned gpio,
 
 	return 0;
 }
-EXPORT_SYMBOL(devm_gpio_request_one);
+EXPORT_SYMBOL_GPL(devm_gpio_request_one);
 
 /**
  *      devm_gpio_free - free a GPIO
@@ -492,4 +492,4 @@ void devm_gpio_free(struct device *dev, unsigned int gpio)
 	WARN_ON(devres_release(dev, devm_gpio_release, devm_gpio_match,
 		&gpio));
 }
-EXPORT_SYMBOL(devm_gpio_free);
+EXPORT_SYMBOL_GPL(devm_gpio_free);