gpio: Avoid using pin ranges with !PINCTRL

Do not use the struct gpio_device's .pin_ranges field if the PINCTRL
Kconfig symbol is not selected to avoid build failures.

Fixes: 2ab73c6 ("gpio: Support GPIO controllers without pin-ranges")
Reported-by: Stephen Rothwell <[email protected]>
Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Geert Uytterhoeven <[email protected]>
Tested-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>

Author: thierryreding

drivers/gpio/gpiolib.c

@@ -2745,10 +2745,12 @@ static inline void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip)
  */
 int gpiochip_generic_request(struct gpio_chip *chip, unsigned offset)
 {
-	if (!list_empty(&chip->gpiodev->pin_ranges))
-		return pinctrl_gpio_request(chip->gpiodev->base + offset);
+#ifdef CONFIG_PINCTRL
+	if (list_empty(&chip->gpiodev->pin_ranges))
+		return 0;
+#endif
 
-	return 0;
+	return pinctrl_gpio_request(chip->gpiodev->base + offset);
 }
 EXPORT_SYMBOL_GPL(gpiochip_generic_request);