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Subject[PATCH 3/5] backlight: corgi_lcd: use devm_{backlight,lcd}_device_register()
Date
Use devm_backlight_device_register() and devm_lcd_device_register()
to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
drivers/video/backlight/corgi_lcd.c | 28 +++++++++-------------------
1 file changed, 9 insertions(+), 19 deletions(-)

diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
index be56cfe..db8db5f 100644
--- a/drivers/video/backlight/corgi_lcd.c
+++ b/drivers/video/backlight/corgi_lcd.c
@@ -550,8 +550,8 @@ static int corgi_lcd_probe(struct spi_device *spi)

lcd->spi_dev = spi;

- lcd->lcd_dev = lcd_device_register("corgi_lcd", &spi->dev,
- lcd, &corgi_lcd_ops);
+ lcd->lcd_dev = devm_lcd_device_register(&spi->dev, "corgi_lcd",
+ &spi->dev, lcd, &corgi_lcd_ops);
if (IS_ERR(lcd->lcd_dev))
return PTR_ERR(lcd->lcd_dev);

@@ -561,18 +561,18 @@ static int corgi_lcd_probe(struct spi_device *spi)
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = pdata->max_intensity;
- lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, lcd,
- &corgi_bl_ops, &props);
- if (IS_ERR(lcd->bl_dev)) {
- ret = PTR_ERR(lcd->bl_dev);
- goto err_unregister_lcd;
- }
+ lcd->bl_dev = devm_backlight_device_register(&spi->dev, "corgi_bl",
+ &spi->dev, lcd, &corgi_bl_ops,
+ &props);
+ if (IS_ERR(lcd->bl_dev))
+ return PTR_ERR(lcd->bl_dev);
+
lcd->bl_dev->props.brightness = pdata->default_intensity;
lcd->bl_dev->props.power = FB_BLANK_UNBLANK;

ret = setup_gpio_backlight(lcd, pdata);
if (ret)
- goto err_unregister_bl;
+ return ret;

lcd->kick_battery = pdata->kick_battery;

@@ -583,12 +583,6 @@ static int corgi_lcd_probe(struct spi_device *spi)
lcd->limit_mask = pdata->limit_mask;
the_corgi_lcd = lcd;
return 0;
-
-err_unregister_bl:
- backlight_device_unregister(lcd->bl_dev);
-err_unregister_lcd:
- lcd_device_unregister(lcd->lcd_dev);
- return ret;
}

static int corgi_lcd_remove(struct spi_device *spi)
@@ -598,11 +592,7 @@ static int corgi_lcd_remove(struct spi_device *spi)
lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
lcd->bl_dev->props.brightness = 0;
backlight_update_status(lcd->bl_dev);
- backlight_device_unregister(lcd->bl_dev);
-
corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN);
- lcd_device_unregister(lcd->lcd_dev);
-
return 0;
}

--
1.7.10.4



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