From: Bartosz Golaszewski <bgolaszew...@baylibre.com>

Now that the last user of platform data (sh ecovec24) defines a proper
GPIO lookup and sets the 'default-on' device property, we can drop the
platform_data-specific GPIO handling and unify a big chunk of code.

The only field used from the platform data is now the fbdev pointer.

Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
---
 drivers/video/backlight/gpio_backlight.c | 46 +++++++-----------------
 1 file changed, 13 insertions(+), 33 deletions(-)

diff --git a/drivers/video/backlight/gpio_backlight.c 
b/drivers/video/backlight/gpio_backlight.c
index 89e10bccfd3c..b20d2d5d5190 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -71,41 +71,21 @@ static int gpio_backlight_probe(struct platform_device 
*pdev)
 
        gbl->dev = dev;
 
-       if (pdata) {
-               /*
-                * Legacy platform data GPIO retrieveal. Do not expand
-                * the use of this code path, currently only used by one
-                * SH board.
-                */
-               unsigned long flags = GPIOF_DIR_OUT;
-
+       if (pdata)
                gbl->fbdev = pdata->fbdev;
-               gbl->def_value = pdata->def_value;
-               flags |= gbl->def_value ? GPIOF_INIT_HIGH : GPIOF_INIT_LOW;
-
-               ret = devm_gpio_request_one(gbl->dev, pdata->gpio, flags,
-                                           pdata ? pdata->name : "backlight");
-               if (ret < 0) {
-                       dev_err(dev, "unable to request GPIO\n");
-                       return ret;
-               }
-               gbl->gpiod = gpio_to_desc(pdata->gpio);
-               if (!gbl->gpiod)
-                       return -EINVAL;
-       } else {
-               gbl->def_value = device_property_read_bool(dev, "default-on");
-               flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
-
-               gbl->gpiod = devm_gpiod_get(dev, NULL, flags);
-               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;
+
+       gbl->def_value = device_property_read_bool(dev, "default-on");
+       flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
+
+       gbl->gpiod = devm_gpiod_get(dev, NULL, flags);
+       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;
        }
 
        memset(&props, 0, sizeof(props));
-- 
2.21.0

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