[PATCH/RFC v2 3/5] gpio: Export gpio_name_to_desc() to modular GPIO code

[Geert Uytterhoeven <geert+renesas@xxxxxxxxx>]

Make gpio_name_to_desc() global, and export its symbol, so modular GPIO
driver can make use of this function.

This will be used by the GPIO Aggregator.

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 drivers/gpio/gpiolib.c | 3 ++-
 drivers/gpio/gpiolib.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index c2cf01fb72a9de87..c0caafd111e6ff51 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -288,7 +288,7 @@ static int gpiodev_add_to_list(struct gpio_device *gdev)
 /*
  * Convert a GPIO name to its descriptor
  */
-static struct gpio_desc *gpio_name_to_desc(const char * const name)
+struct gpio_desc *gpio_name_to_desc(const char * const name)
 {
 	struct gpio_device *gdev;
 	unsigned long flags;
@@ -315,6 +315,7 @@ static struct gpio_desc *gpio_name_to_desc(const char * const name)
 
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(gpio_name_to_desc);
 
 /*
  * Takes the names from gc->names and checks if they are all unique. If they
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index b8b10a409c7b9c65..240d2868a3024b52 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -117,6 +117,7 @@ struct gpio_desc {
 	const char		*name;
 };
 
+struct gpio_desc *gpio_name_to_desc(const char * const name);
 int gpiod_request(struct gpio_desc *desc, const char *label);
 void gpiod_free(struct gpio_desc *desc);
 int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id,
-- 
2.17.1