linux-kernel - [PATCH 2/6] pwm_backlight: use bl_get_data instead of dev_get

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Message-id: <001101cddf3b$9b0f2d20$d12d8760$%han@samsung.com>
Date:	Fri, 21 Dec 2012 14:25:36 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>,
	'LKML' <linux-kernel@...r.kernel.org>
Cc:	'Richard Purdie' <rpurdie@...ys.net>,
	'Thierry Reding' <thierry.reding@...onic-design.de>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 2/6] pwm_backlight: use bl_get_data instead of dev_get_drvdata

Use the wrapper function for getting the driver data using
backlight_device instead of using dev_get_drvdata with &bd->dev,
so we can directly pass a struct backlight_device.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
Cc: Thierry Reding <thierry.reding@...onic-design.de>
---
 drivers/video/backlight/pwm_bl.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 069983c..f2f4c43 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -37,7 +37,7 @@ struct pwm_bl_data {
 
 static int pwm_backlight_update_status(struct backlight_device *bl)
 {
-	struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
+	struct pwm_bl_data *pb = bl_get_data(bl);
 	int brightness = bl->props.brightness;
 	int max = bl->props.max_brightness;
 
@@ -83,7 +83,7 @@ static int pwm_backlight_get_brightness(struct backlight_device *bl)
 static int pwm_backlight_check_fb(struct backlight_device *bl,
 				  struct fb_info *info)
 {
-	struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
+	struct pwm_bl_data *pb = bl_get_data(bl);
 
 	return !pb->check_fb || pb->check_fb(pb->dev, info);
 }
@@ -264,7 +264,7 @@ err_alloc:
 static int pwm_backlight_remove(struct platform_device *pdev)
 {
 	struct backlight_device *bl = platform_get_drvdata(pdev);
-	struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
+	struct pwm_bl_data *pb = bl_get_data(bl);
 
 	backlight_device_unregister(bl);
 	pwm_config(pb->pwm, 0, pb->period);
@@ -278,7 +278,7 @@ static int pwm_backlight_remove(struct platform_device *pdev)
 static int pwm_backlight_suspend(struct device *dev)
 {
 	struct backlight_device *bl = dev_get_drvdata(dev);
-	struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
+	struct pwm_bl_data *pb = bl_get_data(bl);
 
 	if (pb->notify)
 		pb->notify(pb->dev, 0);
-- 
1.7.2.5


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