2 files changed, 6 insertions, 2 deletions

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 0e78a5023cb2..94a5575d1ebe 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1501,14 +1501,15 @@ static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip)
         gpiochip->irq.valid_mask = NULL;
 }
 
-static bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,
-                                       unsigned int offset)
+bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,
+                                unsigned int offset)
 {
         /* No mask means all valid */
         if (likely(!gpiochip->irq.valid_mask))
                 return true;
         return test_bit(offset, gpiochip->irq.valid_mask);
 }
+EXPORT_SYMBOL_GPL(gpiochip_irqchip_irq_valid);
 
 /**
  * gpiochip_set_cascaded_irqchip() - connects a cascaded irqchip to a gpiochip
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 55e672592fa9..b6a05dd0d10a 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -431,6 +431,9 @@ int gpiochip_irqchip_add_key(struct gpio_chip *gpiochip,
                              bool threaded,
                              struct lock_class_key *lock_key);
 
+bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,
+                                unsigned int offset);
+
 #ifdef CONFIG_LOCKDEP
 
 /*