From 443956fdd501bdfa8471191ef23d1432ea5fa928 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Thu, 23 Jan 2014 15:54:27 -0800 Subject: [PATCH] backlight: ot200_bl: use devm_backlight_device_register() Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by: Jingoo Han Cc: Tomi Valkeinen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/backlight/ot200_bl.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/video/backlight/ot200_bl.c b/drivers/video/backlight/ot200_bl.c index fdbb6ee..f5a5202 100644 --- a/drivers/video/backlight/ot200_bl.c +++ b/drivers/video/backlight/ot200_bl.c @@ -118,8 +118,9 @@ static int ot200_backlight_probe(struct platform_device *pdev) props.brightness = 100; props.type = BACKLIGHT_RAW; - bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, data, - &ot200_backlight_ops, &props); + bl = devm_backlight_device_register(&pdev->dev, dev_name(&pdev->dev), + &pdev->dev, data, &ot200_backlight_ops, + &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); retval = PTR_ERR(bl); @@ -137,10 +138,6 @@ error_devm_kzalloc: static int ot200_backlight_remove(struct platform_device *pdev) { - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - /* on module unload set brightness to 100% */ cs5535_mfgpt_write(pwm_timer, MFGPT_REG_COUNTER, 0); cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); -- 2.7.4