[PATCH 6/8] backlight: ltv350qv: use devm_lcd_device_register()

From: Jingoo Han
Date: Tue Sep 24 2013 - 05:25:10 EST


Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/video/backlight/ltv350qv.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c
index ed1b392..383f550 100644
--- a/drivers/video/backlight/ltv350qv.c
+++ b/drivers/video/backlight/ltv350qv.c
@@ -242,7 +242,8 @@ static int ltv350qv_probe(struct spi_device *spi)
if (!lcd->buffer)
return -ENOMEM;

- ld = lcd_device_register("ltv350qv", &spi->dev, lcd, &ltv_ops);
+ ld = devm_lcd_device_register(&spi->dev, "ltv350qv", &spi->dev, lcd,
+ &ltv_ops);
if (IS_ERR(ld))
return PTR_ERR(ld);

@@ -250,15 +251,11 @@ static int ltv350qv_probe(struct spi_device *spi)

ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK);
if (ret)
- goto out_unregister;
+ return ret;

spi_set_drvdata(spi, lcd);

return 0;
-
-out_unregister:
- lcd_device_unregister(ld);
- return ret;
}

static int ltv350qv_remove(struct spi_device *spi)
@@ -266,8 +263,6 @@ static int ltv350qv_remove(struct spi_device *spi)
struct ltv350qv *lcd = spi_get_drvdata(spi);

ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
- lcd_device_unregister(lcd->ld);
-
return 0;
}

--
1.7.10.4


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