gpio: em: Use dynamic allocation of GPIOs

Use dynamic allocation of GPIOs instead of looking at the gpio%u alias
in DT.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c
index 21d34d4..c343414 100644 (file)
--- a/drivers/gpio/gpio-em.c
+++ b/drivers/gpio/gpio-em.c
@@ -330,12 +330,7 @@ static int em_gio_probe(struct platform_device *pdev)
                        goto err0;
                }
 
-               ret = of_alias_get_id(pdev->dev.of_node, "gpio");
-               if (ret < 0) {
-                       dev_err(&pdev->dev, "Couldn't get OF id\n");
-                       goto err0;
-               }
-               pdata->gpio_base = ret * 32; /* 32 GPIOs per instance */
+               pdata->gpio_base = -1;
        }
 
        gpio_chip = &p->gpio_chip;