gpiolib: Warn on drivers still using static gpiobase allocation

In the preparation of getting completely rid of static gpiobase
allocation in the future, emit a warning in drivers still doing so.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 4756ea08894f652566bcb7bef868560efebc683c..5c64d1a412c7ab6d2c2f46e6216fde18fa446ed2 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -715,6 +715,9 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
                 * a poison instead.
                 */
                gc->base = base;
+       } else {
+               dev_warn(&gdev->dev,
+                        "Static allocation of GPIO base is deprecated, use dynamic allocation.\n");
        }
        gdev->base = base;