driver:gpio remove all usage of gpio_remove retval in driver

this remove all reference to gpio_remove retval in all driver
except pinctrl and gpio. the same thing is done for gpio and
pinctrl in two different patches.

Signed-off-by: Abdoulaye Berthe <berthe.ab@gmail.com>
Acked-by: Michael Büsch <m@bues.ch>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 82573dc4d8cf..0041a64cc86e 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1248,7 +1248,7 @@ static int max310x_probe(struct device *dev, struct max310x_devtype *devtype,
         mutex_destroy(&s->mutex);
 
 #ifdef CONFIG_GPIOLIB
-        WARN_ON(gpiochip_remove(&s->gpio));
+        gpiochip_remove(&s->gpio);
 
 out_uart:
 #endif
@@ -1263,12 +1263,10 @@ out_clk:
 static int max310x_remove(struct device *dev)
 {
         struct max310x_port *s = dev_get_drvdata(dev);
-        int i, ret = 0;
+        int i;
 
 #ifdef CONFIG_GPIOLIB
-        ret = gpiochip_remove(&s->gpio);
-        if (ret)
-                return ret;
+        gpiochip_remove(&s->gpio);
 #endif
 
         for (i = 0; i < s->uart.nr; i++) {
@@ -1282,7 +1280,7 @@ static int max310x_remove(struct device *dev)
         uart_unregister_driver(&s->uart);
         clk_disable_unprepare(s->clk);
 
-        return ret;
+        return 0;
 }
 
 static const struct of_device_id __maybe_unused max310x_dt_ids[] = {