pinctrl: remove remaining users of gpiochip_remove() retval

Some drivers accidentally still use the return value from
gpiochip_remove(). Get rid of them so we can simplify this function
and get rid of the return value.

Cc: Abdoulaye Berthe <berthe.ab@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

2 files changed, 5 insertions, 16 deletions

diff --git a/drivers/pinctrl/samsung/pinctrl-exynos5440.c b/drivers/pinctrl/samsung/pinctrl-exynos5440.c
index 603da2f9dd95..8ef370244aee 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos5440.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos5440.c
@@ -873,11 +873,7 @@ static int exynos5440_gpiolib_register(struct platform_device *pdev,
 static int exynos5440_gpiolib_unregister(struct platform_device *pdev,
 				struct exynos5440_pinctrl_priv_data *priv)
 {
-	int ret = gpiochip_remove(priv->gc);
-	if (ret) {
-		dev_err(&pdev->dev, "gpio chip remove failed\n");
-		return ret;
-	}
+	gpiochip_remove(priv->gc);
 	return 0;
 }
 
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index b07406da333c..83faddf456e0 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -945,9 +945,7 @@ static int samsung_gpiolib_register(struct platform_device *pdev,
 
 fail:
 	for (--i, --bank; i >= 0; --i, --bank)
-		if (gpiochip_remove(&bank->gpio_chip))
-			dev_err(&pdev->dev, "gpio chip %s remove failed\n",
-							bank->gpio_chip.label);
+		gpiochip_remove(&bank->gpio_chip);
 	return ret;
 }
 
@@ -957,16 +955,11 @@ static int samsung_gpiolib_unregister(struct platform_device *pdev,
 {
 	struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
 	struct samsung_pin_bank *bank = ctrl->pin_banks;
-	int ret = 0;
 	int i;
 
-	for (i = 0; !ret && i < ctrl->nr_banks; ++i, ++bank)
-		ret = gpiochip_remove(&bank->gpio_chip);
-
-	if (ret)
-		dev_err(&pdev->dev, "gpio chip remove failed\n");
-
-	return ret;
+	for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
+		gpiochip_remove(&bank->gpio_chip);
+	return 0;
 }
 
 static const struct of_device_id samsung_pinctrl_dt_match[];