backlight: lms501kf03: use spi_get_drvdata and spi_set_drvdata

Use the wrapper functions for getting and setting the driver data using
spi_device instead of using dev_{get|set}_drvdata with &spi->dev, so we
can directly pass a struct spi_device.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/backlight/lms501kf03.c

@@ -370,7 +370,7 @@ static int lms501kf03_probe(struct spi_device *spi)
 		lcd->power = FB_BLANK_UNBLANK;
 	}
 
-	dev_set_drvdata(&spi->dev, lcd);
+	spi_set_drvdata(spi, lcd);
 
 	dev_info(&spi->dev, "lms501kf03 panel driver has been probed.\n");
 
@@ -379,7 +379,7 @@ static int lms501kf03_probe(struct spi_device *spi)
 
 static int lms501kf03_remove(struct spi_device *spi)
 {
-	struct lms501kf03 *lcd = dev_get_drvdata(&spi->dev);
+	struct lms501kf03 *lcd = spi_get_drvdata(spi);
 
 	lms501kf03_power(lcd, FB_BLANK_POWERDOWN);
 	lcd_device_unregister(lcd->ld);
@@ -391,7 +391,7 @@ static int lms501kf03_remove(struct spi_device *spi)
 
 static int lms501kf03_suspend(struct spi_device *spi, pm_message_t mesg)
 {
-	struct lms501kf03 *lcd = dev_get_drvdata(&spi->dev);
+	struct lms501kf03 *lcd = spi_get_drvdata(spi);
 
 	dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power);
 
@@ -404,7 +404,7 @@ static int lms501kf03_suspend(struct spi_device *spi, pm_message_t mesg)
 
 static int lms501kf03_resume(struct spi_device *spi)
 {
-	struct lms501kf03 *lcd = dev_get_drvdata(&spi->dev);
+	struct lms501kf03 *lcd = spi_get_drvdata(spi);
 
 	lcd->power = FB_BLANK_POWERDOWN;
 
@@ -417,7 +417,7 @@ static int lms501kf03_resume(struct spi_device *spi)
 
 static void lms501kf03_shutdown(struct spi_device *spi)
 {
-	struct lms501kf03 *lcd = dev_get_drvdata(&spi->dev);
+	struct lms501kf03 *lcd = spi_get_drvdata(spi);
 
 	lms501kf03_power(lcd, FB_BLANK_POWERDOWN);
 }