[PATCH/RFC v2 2/5] gpio: Export gpiochip_get_desc() to modular GPIO code

[Geert Uytterhoeven <geert+renesas@xxxxxxxxx>]

Export the gpiochip_get_desc() symbol, so modular GPIO driver can make
use of this function again.

This is a partial revert of commit 1bd6b601fe196b6f ("gpio: make
gpiochip_get_desc() gpiolib-private").

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
ERROR: "gpiochip_get_desc" [drivers/gpio/gpio-aggregator.ko] undefined!
---
 drivers/gpio/gpiolib.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index dbecf266be5a5a2a..c2cf01fb72a9de87 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -95,6 +95,7 @@ static inline void desc_set_label(struct gpio_desc *d, const char *label)
 {
 	d->label = label;
 }
+EXPORT_SYMBOL_GPL(gpiochip_get_desc);
 
 /**
  * gpio_to_desc - Convert a GPIO number to its descriptor
-- 
2.17.1