1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index b5dff9e742f8..fea8c82bb8fc 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -388,6 +388,14 @@ static int bgpio_setup_direction(struct bgpio_chip *bgc,
         return 0;
 }
 
+static int bgpio_request(struct gpio_chip *chip, unsigned gpio_pin)
+{
+        if (gpio_pin < chip->ngpio)
+                return 0;
+
+        return -EINVAL;
+}
+
 int bgpio_remove(struct bgpio_chip *bgc)
 {
         return gpiochip_remove(&bgc->gc);
@@ -413,6 +421,7 @@ int bgpio_init(struct bgpio_chip *bgc, struct device *dev,
         bgc->gc.label = dev_name(dev);
         bgc->gc.base = -1;
         bgc->gc.ngpio = bgc->bits;
+        bgc->gc.request = bgpio_request;
 
         ret = bgpio_setup_io(bgc, dat, set, clr);
         if (ret)