backlight: ld9040: use devm_{backlight,lcd}_device_register()

Use devm_backlight_device_register() and devm_lcd_device_register() to
make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c
index 26d5139..506a6c2 100644 (file)
--- a/drivers/video/backlight/ld9040.c
+++ b/drivers/video/backlight/ld9040.c
@@ -716,7 +716,8 @@ static int ld9040_probe(struct spi_device *spi)
                return ret;
        }
 
-       ld = lcd_device_register("ld9040", &spi->dev, lcd, &ld9040_lcd_ops);
+       ld = devm_lcd_device_register(&spi->dev, "ld9040", &spi->dev, lcd,
+                                       &ld9040_lcd_ops);
        if (IS_ERR(ld))
                return PTR_ERR(ld);
 
@@ -726,12 +727,10 @@ static int ld9040_probe(struct spi_device *spi)
        props.type = BACKLIGHT_RAW;
        props.max_brightness = MAX_BRIGHTNESS;
 
-       bd = backlight_device_register("ld9040-bl", &spi->dev,
-               lcd, &ld9040_backlight_ops, &props);
-       if (IS_ERR(bd)) {
-               ret = PTR_ERR(bd);
-               goto out_unregister_lcd;
-       }
+       bd = devm_backlight_device_register(&spi->dev, "ld9040-bl", &spi->dev,
+                                       lcd, &ld9040_backlight_ops, &props);
+       if (IS_ERR(bd))
+               return PTR_ERR(bd);
 
        bd->props.brightness = MAX_BRIGHTNESS;
        lcd->bd = bd;
@@ -757,11 +756,6 @@ static int ld9040_probe(struct spi_device *spi)
 
        dev_info(&spi->dev, "ld9040 panel driver has been probed.\n");
        return 0;
-
-out_unregister_lcd:
-       lcd_device_unregister(lcd->ld);
-
-       return ret;
 }
 
 static int ld9040_remove(struct spi_device *spi)
@@ -769,9 +763,6 @@ static int ld9040_remove(struct spi_device *spi)
        struct ld9040 *lcd = spi_get_drvdata(spi);
 
        ld9040_power(lcd, FB_BLANK_POWERDOWN);
-       backlight_device_unregister(lcd->bd);
-       lcd_device_unregister(lcd->ld);
-
        return 0;
 }