We are trying to smoke out the use of the return value from
gpiochip_remove() from the kernel, this has been missed.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 
 #ifdef CONFIG_GPIOLIB
        if (devtype->nr_gpio)
-               WARN_ON(gpiochip_remove(&s->gpio));
+               gpiochip_remove(&s->gpio);
 
 out_uart:
 #endif
 static int sc16is7xx_remove(struct device *dev)
 {
        struct sc16is7xx_port *s = dev_get_drvdata(dev);
-       int i, ret = 0;
+       int i;
 
 #ifdef CONFIG_GPIOLIB
-       if (s->devtype->nr_gpio) {
-               ret = gpiochip_remove(&s->gpio);
-               if (ret)
-                       return ret;
-       }
+       if (s->devtype->nr_gpio)
+               gpiochip_remove(&s->gpio);
 #endif
 
        for (i = 0; i < s->uart.nr; i++) {
        if (!IS_ERR(s->clk))
                clk_disable_unprepare(s->clk);
 
-       return ret;
+       return 0;
 }
 
 static const struct of_device_id __maybe_unused sc16is7xx_dt_ids[] = {