[PATCH v2 4/9] gpiolib: Warn on drivers still using static gpiobase allocation

[Christophe Leroy <christophe.leroy@xxxxxxxxxx>]

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@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
v2: unsplit the warning text.
---
 drivers/gpio/gpiolib.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index cc9c0a12259e..4e2fcb7b0a01 100644
--- 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;
 
-- 
2.37.1