[PATCH 1/3] gpiolib: add gpiod_to_gpio_device() stub for !GPIOLIB

[Krzysztof Kozlowski]

Add empty stub of gpiod_to_gpio_device() when GPIOLIB is not enabled.

Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: 370232d096e3 ("gpiolib: provide gpiod_to_gpio_device()")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

---

Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
 include/linux/gpio/driver.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 9a5c6c76e653..012797e7106d 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -819,6 +819,12 @@ static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)
 	return ERR_PTR(-ENODEV);
 }
 
+static inline struct gpio_device *gpiod_to_gpio_device(struct gpio_desc *desc)
+{
+	WARN_ON(1);
+	return ERR_PTR(-ENODEV);
+}
+
 static inline int gpiochip_lock_as_irq(struct gpio_chip *gc,
 				       unsigned int offset)
 {
-- 
2.34.1