[PATCH 1/8] backlight: hx8357: use devm_lcd_device_register()

[PATCH 1/8] backlight: hx8357: use devm_lcd_device_register()

[Jingoo Han]

Use devm_lcd_device_register() to make cleanup paths simpler,
and remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 drivers/video/backlight/hx8357.c |   18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/video/backlight/hx8357.c b/drivers/video/backlight/hx8357.c
index c7af8c4..0d252e7 100644
--- a/drivers/video/backlight/hx8357.c
+++ b/drivers/video/backlight/hx8357.c
@@ -648,7 +648,8 @@ static int hx8357_probe(struct spi_device *spi)
 		lcd->use_im_pins = 0;
 	}
 
-	lcdev = lcd_device_register("mxsfb", &spi->dev, lcd, &hx8357_ops);
+	lcdev = devm_lcd_device_register(&spi->dev, "mxsfb", &spi->dev, lcd,
+					&hx8357_ops);
 	if (IS_ERR(lcdev)) {
 		ret = PTR_ERR(lcdev);
 		return ret;
@@ -660,29 +661,16 @@ static int hx8357_probe(struct spi_device *spi)
 	ret = ((int (*)(struct lcd_device *))match->data)(lcdev);
 	if (ret) {
 		dev_err(&spi->dev, "Couldn't initialize panel\n");
-		goto init_error;
+		return ret;
 	}
 
 	dev_info(&spi->dev, "Panel probed\n");
 
 	return 0;
-
-init_error:
-	lcd_device_unregister(lcdev);
-	return ret;
-}
-
-static int hx8357_remove(struct spi_device *spi)
-{
-	struct lcd_device *lcdev = spi_get_drvdata(spi);
-
-	lcd_device_unregister(lcdev);
-	return 0;
 }
 
 static struct spi_driver hx8357_driver = {
 	.probe  = hx8357_probe,
-	.remove = hx8357_remove,
 	.driver = {
 		.name = "hx8357",
 		.of_match_table = of_match_ptr(hx8357_dt_ids),
-- 
1.7.10.4

[PATCH 2/8] backlight: ili922x: use devm_lcd_device_register()

[Jingoo Han]

Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 drivers/video/backlight/ili922x.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/video/backlight/ili922x.c b/drivers/video/backlight/ili922x.c
index d9f65c2..73464e4 100644
--- a/drivers/video/backlight/ili922x.c
+++ b/drivers/video/backlight/ili922x.c
@@ -513,8 +513,8 @@ static int ili922x_probe(struct spi_device *spi)
 
 	ili->power = FB_BLANK_POWERDOWN;
 
-	lcd = lcd_device_register("ili922xlcd", &spi->dev, ili,
-				  &ili922x_ops);
+	lcd = devm_lcd_device_register(&spi->dev, "ili922xlcd", &spi->dev, ili,
+					&ili922x_ops);
 	if (IS_ERR(lcd)) {
 		dev_err(&spi->dev, "cannot register LCD\n");
 		return PTR_ERR(lcd);
@@ -530,10 +530,7 @@ static int ili922x_probe(struct spi_device *spi)
 
 static int ili922x_remove(struct spi_device *spi)
 {
-	struct ili922x *ili = spi_get_drvdata(spi);
-
 	ili922x_poweroff(spi);
-	lcd_device_unregister(ili->ld);
 	return 0;
 }
 
-- 
1.7.10.4

[PATCH 3/8] backlight: ili9320: use devm_lcd_device_register()

[Jingoo Han]

Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 drivers/video/backlight/ili9320.c |   13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/video/backlight/ili9320.c b/drivers/video/backlight/ili9320.c
index 4dd43e0..e2b8b40 100644
--- a/drivers/video/backlight/ili9320.c
+++ b/drivers/video/backlight/ili9320.c
@@ -235,7 +235,8 @@ int ili9320_probe_spi(struct spi_device *spi,
 
 	ili9320_setup_spi(ili, spi);
 
-	lcd = lcd_device_register("ili9320", dev, ili, &ili9320_ops);
+	lcd = devm_lcd_device_register(&spi->dev, "ili9320", dev, ili,
+					&ili9320_ops);
 	if (IS_ERR(lcd)) {
 		dev_err(dev, "failed to register lcd device\n");
 		return PTR_ERR(lcd);
@@ -248,24 +249,16 @@ int ili9320_probe_spi(struct spi_device *spi,
 	ret = ili9320_power(ili, FB_BLANK_UNBLANK);
 	if (ret != 0) {
 		dev_err(dev, "failed to set lcd power state\n");
-		goto err_unregister;
+		return ret;
 	}
 
 	return 0;
-
- err_unregister:
-	lcd_device_unregister(lcd);
-
-	return ret;
 }
 EXPORT_SYMBOL_GPL(ili9320_probe_spi);
 
 int ili9320_remove(struct ili9320 *ili)
 {
 	ili9320_power(ili, FB_BLANK_POWERDOWN);
-
-	lcd_device_unregister(ili->lcd);
-
 	return 0;
 }
 EXPORT_SYMBOL_GPL(ili9320_remove);
-- 
1.7.10.4

[PATCH 4/8] backlight: lms283gf05: use devm_lcd_device_register()

[Jingoo Han]

Use devm_lcd_device_register() to make cleanup paths simpler,
and remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 drivers/video/backlight/lms283gf05.c |   13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c
index 80b5929..de88325 100644
--- a/drivers/video/backlight/lms283gf05.c
+++ b/drivers/video/backlight/lms283gf05.c
@@ -173,7 +173,8 @@ static int lms283gf05_probe(struct spi_device *spi)
 		return -ENOMEM;
 	}
 
-	ld = lcd_device_register("lms283gf05", &spi->dev, st, &lms_ops);
+	ld = devm_lcd_device_register(&spi->dev, "lms283gf05", &spi->dev, st,
+					&lms_ops);
 	if (IS_ERR(ld))
 		return PTR_ERR(ld);
 
@@ -190,22 +191,12 @@ static int lms283gf05_probe(struct spi_device *spi)
 	return 0;
 }
 
-static int lms283gf05_remove(struct spi_device *spi)
-{
-	struct lms283gf05_state *st = spi_get_drvdata(spi);
-
-	lcd_device_unregister(st->ld);
-
-	return 0;
-}
-
 static struct spi_driver lms283gf05_driver = {
 	.driver = {
 		.name	= "lms283gf05",
 		.owner	= THIS_MODULE,
 	},
 	.probe		= lms283gf05_probe,
-	.remove		= lms283gf05_remove,
 };
 
 module_spi_driver(lms283gf05_driver);
-- 
1.7.10.4

[PATCH 5/8] backlight: lms501kf03: use devm_lcd_device_register()

[Jingoo Han]

Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 drivers/video/backlight/lms501kf03.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/video/backlight/lms501kf03.c b/drivers/video/backlight/lms501kf03.c
index ff46e19..77258b7 100644
--- a/drivers/video/backlight/lms501kf03.c
+++ b/drivers/video/backlight/lms501kf03.c
@@ -350,8 +350,8 @@ static int lms501kf03_probe(struct spi_device *spi)
 		return -EINVAL;
 	}
 
-	ld = lcd_device_register("lms501kf03", &spi->dev, lcd,
-				&lms501kf03_lcd_ops);
+	ld = devm_lcd_device_register(&spi->dev, "lms501kf03", &spi->dev, lcd,
+					&lms501kf03_lcd_ops);
 	if (IS_ERR(ld))
 		return PTR_ERR(ld);
 
@@ -382,8 +382,6 @@ static int lms501kf03_remove(struct spi_device *spi)
 	struct lms501kf03 *lcd = spi_get_drvdata(spi);
 
 	lms501kf03_power(lcd, FB_BLANK_POWERDOWN);
-	lcd_device_unregister(lcd->ld);
-
 	return 0;
 }
 
-- 
1.7.10.4

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

[Jingoo Han]

Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 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

[PATCH 7/8] backlight: platform_lcd: use devm_lcd_device_register()

[Jingoo Han]

Use devm_lcd_device_register() to make cleanup paths simpler,
and remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 drivers/video/backlight/platform_lcd.c |   20 +++-----------------
 1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c
index cc0f067..d01884d 100644
--- a/drivers/video/backlight/platform_lcd.c
+++ b/drivers/video/backlight/platform_lcd.c
@@ -101,30 +101,17 @@ static int platform_lcd_probe(struct platform_device *pdev)
 
 	plcd->us = dev;
 	plcd->pdata = pdata;
-	plcd->lcd = lcd_device_register(dev_name(dev), dev,
-					plcd, &platform_lcd_ops);
+	plcd->lcd = devm_lcd_device_register(&pdev->dev, dev_name(dev), dev,
+						plcd, &platform_lcd_ops);
 	if (IS_ERR(plcd->lcd)) {
 		dev_err(dev, "cannot register lcd device\n");
-		err = PTR_ERR(plcd->lcd);
-		goto err;
+		return PTR_ERR(plcd->lcd);
 	}
 
 	platform_set_drvdata(pdev, plcd);
 	platform_lcd_set_power(plcd->lcd, FB_BLANK_NORMAL);
 
 	return 0;
-
- err:
-	return err;
-}
-
-static int platform_lcd_remove(struct platform_device *pdev)
-{
-	struct platform_lcd *plcd = platform_get_drvdata(pdev);
-
-	lcd_device_unregister(plcd->lcd);
-
-	return 0;
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -168,7 +155,6 @@ static struct platform_driver platform_lcd_driver = {
 		.of_match_table = of_match_ptr(platform_lcd_of_match),
 	},
 	.probe		= platform_lcd_probe,
-	.remove		= platform_lcd_remove,
 };
 
 module_platform_driver(platform_lcd_driver);
-- 
1.7.10.4

[PATCH 8/8] backlight: tdo24m: use devm_lcd_device_register()

[Jingoo Han]

Use devm_lcd_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 drivers/video/backlight/tdo24m.c |   12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c
index 2ccfa46..908016f 100644
--- a/drivers/video/backlight/tdo24m.c
+++ b/drivers/video/backlight/tdo24m.c
@@ -385,21 +385,17 @@ static int tdo24m_probe(struct spi_device *spi)
 		return -EINVAL;
 	}
 
-	lcd->lcd_dev = lcd_device_register("tdo24m", &spi->dev,
-					lcd, &tdo24m_ops);
+	lcd->lcd_dev = devm_lcd_device_register(&spi->dev, "tdo24m", &spi->dev,
+						lcd, &tdo24m_ops);
 	if (IS_ERR(lcd->lcd_dev))
 		return PTR_ERR(lcd->lcd_dev);
 
 	spi_set_drvdata(spi, lcd);
 	err = tdo24m_power(lcd, FB_BLANK_UNBLANK);
 	if (err)
-		goto out_unregister;
+		return err;
 
 	return 0;
-
-out_unregister:
-	lcd_device_unregister(lcd->lcd_dev);
-	return err;
 }
 
 static int tdo24m_remove(struct spi_device *spi)
@@ -407,8 +403,6 @@ static int tdo24m_remove(struct spi_device *spi)
 	struct tdo24m *lcd = spi_get_drvdata(spi);
 
 	tdo24m_power(lcd, FB_BLANK_POWERDOWN);
-	lcd_device_unregister(lcd->lcd_dev);
-
 	return 0;
 }
 
-- 
1.7.10.4