This change converts the registration of the backlight data with the
devm_backlight_device_register() function.
This way, the backlight_device_unregister() call is no longer required, and
the order of deregistration is made to be more symmetrical with the
registration order.

Signed-off-by: Alexandru Ardelean <aardel...@deviqon.com>
---
 drivers/platform/x86/toshiba_acpi.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/platform/x86/toshiba_acpi.c 
b/drivers/platform/x86/toshiba_acpi.c
index 556f2cc99bad..ada2a2d8c913 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -2876,7 +2876,8 @@ static int toshiba_acpi_setup_keyboard(struct device 
*parent,
        return error;
 }
 
-static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev)
+static int toshiba_acpi_setup_backlight(struct device *parent,
+                                       struct toshiba_acpi_dev *dev)
 {
        struct backlight_properties props;
        int brightness;
@@ -2924,11 +2925,12 @@ static int toshiba_acpi_setup_backlight(struct 
toshiba_acpi_dev *dev)
        if (dev->tr_backlight_supported)
                props.max_brightness++;
 
-       dev->backlight_dev = backlight_device_register("toshiba",
-                                                      &dev->acpi_dev->dev,
-                                                      dev,
-                                                      &toshiba_backlight_data,
-                                                      &props);
+       dev->backlight_dev = devm_backlight_device_register(parent,
+                                                           "toshiba",
+                                                           &dev->acpi_dev->dev,
+                                                           dev,
+                                                           
&toshiba_backlight_data,
+                                                           &props);
        if (IS_ERR(dev->backlight_dev)) {
                ret = PTR_ERR(dev->backlight_dev);
                pr_err("Could not register toshiba backlight device\n");
@@ -2999,8 +3001,6 @@ static int toshiba_acpi_remove(struct acpi_device 
*acpi_dev)
                sysfs_remove_group(&dev->acpi_dev->dev.kobj,
                                   &toshiba_attr_group);
 
-       backlight_device_unregister(dev->backlight_dev);
-
        led_classdev_unregister(&dev->led_dev);
        led_classdev_unregister(&dev->kbd_led);
        led_classdev_unregister(&dev->eco_led);
@@ -3104,9 +3104,9 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev)
        ret = get_tr_backlight_status(dev, &dummy);
        dev->tr_backlight_supported = !ret;
 
-       ret = toshiba_acpi_setup_backlight(dev);
+       ret = toshiba_acpi_setup_backlight(parent, dev);
        if (ret)
-               goto error;
+               return ret;
 
        toshiba_illumination_available(dev);
        if (dev->illumination_supported) {
-- 
2.30.2

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