Some gpio drivers may not use gpiolib. In this case, struct gpio_chip
is not defined and of_gpiochip_add/remove are not needed.
Signed-off-by: Thomas Chou <thomas@xxxxxxxxxxxxx>
---
include/linux/of_gpio.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h
index 6598c04..fc96af0 100644
--- a/include/linux/of_gpio.h
+++ b/include/linux/of_gpio.h
@@ -71,9 +71,13 @@ static inline unsigned int of_gpio_count(struct device_node *np)
return 0;
}
+#ifdef CONFIG_GPIOLIB
+
static inline void of_gpiochip_add(struct gpio_chip *gc) { }
static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
+#endif /* CONFIG_GPIOLIB */
+
#endif /* CONFIG_OF_GPIO */
/**
--
1.7.3.5
--
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