gpio: remove all usage of gpio_remove retval in driver/gpio

Signed-off-by: abdoulaye berthe <berthe.ab@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-lynxpoint.c b/drivers/gpio/gpio-lynxpoint.c
index 2bea89b..7c141dd 100644
--- a/drivers/gpio/gpio-lynxpoint.c
+++ b/drivers/gpio/gpio-lynxpoint.c
@@ -465,11 +465,8 @@
 static int lp_gpio_remove(struct platform_device *pdev)
 {
 	struct lp_gpio *lg = platform_get_drvdata(pdev);
-	int err;
 	pm_runtime_disable(&pdev->dev);
-	err = gpiochip_remove(&lg->chip);
-	if (err)
-		dev_warn(&pdev->dev, "failed to remove gpio_chip.\n");
+	gpiochip_remove(&lg->chip);
 	return 0;
 }