[PATCH v2 1/7] backlight: gpio: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org>
---
 drivers/video/backlight/gpio_backlight.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/video/backlight/gpio_backlight.c 
b/drivers/video/backlight/gpio_backlight.c
index d28c30b2a35d..e0c8c2a3f5dc 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -64,13 +64,9 @@ static int gpio_backlight_probe(struct platform_device *pdev)
        def_value = device_property_read_bool(dev, "default-on");
 
        gbl->gpiod = devm_gpiod_get(dev, NULL, GPIOD_ASIS);
-       if (IS_ERR(gbl->gpiod)) {
-               ret = PTR_ERR(gbl->gpiod);
-               if (ret != -EPROBE_DEFER)
-                       dev_err(dev,
-                               "Error: The gpios parameter is missing or 
invalid.\n");
-               return ret;
-       }
+       if (IS_ERR(gbl->gpiod))
+               return dev_err_probe(dev, PTR_ERR(gbl->gpiod),
+                                    "The gpios parameter is missing or 
invalid\n");
 
        memset(&props, 0, sizeof(props));
        props.type = BACKLIGHT_RAW;

-- 
2.34.1