drivers/video/backlight/l4f00242t03.c: convert to devm_regulator_get()

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Cc: Alberto Panizzo <maramaopercheseimorto@gmail.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/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index 9bef9cf..fb61557 100644 (file)
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -190,27 +190,24 @@ static int l4f00242t03_probe(struct spi_device *spi)
                return ret;
        }
 
-       priv->io_reg = regulator_get(&spi->dev, "vdd");
+       priv->io_reg = devm_regulator_get(&spi->dev, "vdd");
        if (IS_ERR(priv->io_reg)) {
                dev_err(&spi->dev, "%s: Unable to get the IO regulator\n",
                       __func__);
                return PTR_ERR(priv->io_reg);
        }
 
-       priv->core_reg = regulator_get(&spi->dev, "vcore");
+       priv->core_reg = devm_regulator_get(&spi->dev, "vcore");
        if (IS_ERR(priv->core_reg)) {
-               ret = PTR_ERR(priv->core_reg);
                dev_err(&spi->dev, "%s: Unable to get the core regulator\n",
                       __func__);
-               goto err1;
+               return PTR_ERR(priv->core_reg);
        }
 
        priv->ld = lcd_device_register("l4f00242t03",
                                        &spi->dev, priv, &l4f_ops);
-       if (IS_ERR(priv->ld)) {
-               ret = PTR_ERR(priv->ld);
-               goto err2;
-       }
+       if (IS_ERR(priv->ld))
+               return PTR_ERR(priv->ld);
 
        /* Init the LCD */
        l4f00242t03_lcd_init(spi);
@@ -220,13 +217,6 @@ static int l4f00242t03_probe(struct spi_device *spi)
        dev_info(&spi->dev, "Epson l4f00242t03 lcd probed.\n");
 
        return 0;
-
-err2:
-       regulator_put(priv->core_reg);
-err1:
-       regulator_put(priv->io_reg);
-
-       return ret;
 }
 
 static int l4f00242t03_remove(struct spi_device *spi)
@@ -235,12 +225,8 @@ static int l4f00242t03_remove(struct spi_device *spi)
 
        l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_POWERDOWN);
        lcd_device_unregister(priv->ld);
-
        spi_set_drvdata(spi, NULL);
 
-       regulator_put(priv->io_reg);
-       regulator_put(priv->core_reg);
-
        return 0;
 }