gpio: pisosr: Use devm_gpiod_get_optional for gpio->load_gpio

gpio->load_gpio is optional, so use devm_gpiod_get_optional instead.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/gpio/gpio-pisosr.c b/drivers/gpio/gpio-pisosr.c
index f9f1074744ab..8b8bf8f9de6a 100644
--- a/drivers/gpio/gpio-pisosr.c
+++ b/drivers/gpio/gpio-pisosr.c
@@ -125,15 +125,12 @@ static int pisosr_gpio_probe(struct spi_device *spi)
         if (!gpio->buffer)
                 return -ENOMEM;
 
-        gpio->load_gpio = devm_gpiod_get(dev, "load", GPIOD_OUT_LOW);
+        gpio->load_gpio = devm_gpiod_get_optional(dev, "load", GPIOD_OUT_LOW);
         if (IS_ERR(gpio->load_gpio)) {
                 ret = PTR_ERR(gpio->load_gpio);
-                if (ret != -ENOENT && ret != -ENOSYS) {
-                        if (ret != -EPROBE_DEFER)
-                                dev_err(dev, "Unable to allocate load GPIO\n");
-                        return ret;
-                }
-                gpio->load_gpio = NULL;
+                if (ret != -EPROBE_DEFER)
+                        dev_err(dev, "Unable to allocate load GPIO\n");
+                return ret;
         }
 
         mutex_init(&gpio->lock);