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@samsung.com>
Cc: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index a71ef4a79ec452c95707f97cb408830e47342d2a..fa00304a63d881a96e65e0937b24f25319a2a151 100644 (file)
--- 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;
 
@@ -82,7 +82,7 @@ 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);