backlight: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.  This is a cosmetic change to
make the code simpler and enhance the readability.
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/88pm860x_bl.c

@@ -196,7 +196,7 @@ static int pm860x_backlight_dt_init(struct platform_device *pdev,
 static int pm860x_backlight_probe(struct platform_device *pdev)
 {
 	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
-	struct pm860x_backlight_pdata *pdata = pdev->dev.platform_data;
+	struct pm860x_backlight_pdata *pdata = dev_get_platdata(&pdev->dev);
 	struct pm860x_backlight_data *data;
 	struct backlight_device *bl;
 	struct resource *res;

drivers/video/backlight/aat2870_bl.c

@@ -127,7 +127,7 @@ static const struct backlight_ops aat2870_bl_ops = {
 
 static int aat2870_bl_probe(struct platform_device *pdev)
 {
-	struct aat2870_bl_platform_data *pdata = pdev->dev.platform_data;
+	struct aat2870_bl_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct aat2870_bl_driver_data *aat2870_bl;
 	struct backlight_device *bd;
 	struct backlight_properties props;

drivers/video/backlight/adp5520_bl.c

@@ -297,7 +297,7 @@ static int adp5520_bl_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	data->master = pdev->dev.parent;
-	data->pdata = pdev->dev.platform_data;
+	data->pdata = dev_get_platdata(&pdev->dev);
 
 	if (data->pdata  == NULL) {
 		dev_err(&pdev->dev, "missing platform data\n");

drivers/video/backlight/adp8860_bl.c

@@ -216,7 +216,7 @@ static int adp8860_led_setup(struct adp8860_led *led)
 static int adp8860_led_probe(struct i2c_client *client)
 {
 	struct adp8860_backlight_platform_data *pdata =
-		client->dev.platform_data;
+		dev_get_platdata(&client->dev);
 	struct adp8860_bl *data = i2c_get_clientdata(client);
 	struct adp8860_led *led, *led_dat;
 	struct led_info *cur_led;
@@ -300,7 +300,7 @@ static int adp8860_led_probe(struct i2c_client *client)
 static int adp8860_led_remove(struct i2c_client *client)
 {
 	struct adp8860_backlight_platform_data *pdata =
-		client->dev.platform_data;
+		dev_get_platdata(&client->dev);
 	struct adp8860_bl *data = i2c_get_clientdata(client);
 	int i;
 
@@ -658,7 +658,7 @@ static int adp8860_probe(struct i2c_client *client,
 	struct backlight_device *bl;
 	struct adp8860_bl *data;
 	struct adp8860_backlight_platform_data *pdata =
-		client->dev.platform_data;
+		dev_get_platdata(&client->dev);
 	struct backlight_properties props;
 	uint8_t reg_val;
 	int ret;

drivers/video/backlight/adp8870_bl.c

@@ -238,7 +238,7 @@ static int adp8870_led_setup(struct adp8870_led *led)
 static int adp8870_led_probe(struct i2c_client *client)
 {
 	struct adp8870_backlight_platform_data *pdata =
-		client->dev.platform_data;
+		dev_get_platdata(&client->dev);
 	struct adp8870_bl *data = i2c_get_clientdata(client);
 	struct adp8870_led *led, *led_dat;
 	struct led_info *cur_led;
@@ -325,7 +325,7 @@ static int adp8870_led_probe(struct i2c_client *client)
 static int adp8870_led_remove(struct i2c_client *client)
 {
 	struct adp8870_backlight_platform_data *pdata =
-		client->dev.platform_data;
+		dev_get_platdata(&client->dev);
 	struct adp8870_bl *data = i2c_get_clientdata(client);
 	int i;
 
@@ -848,7 +848,7 @@ static int adp8870_probe(struct i2c_client *client,
 	struct backlight_device *bl;
 	struct adp8870_bl *data;
 	struct adp8870_backlight_platform_data *pdata =
-		client->dev.platform_data;
+		dev_get_platdata(&client->dev);
 	uint8_t reg_val;
 	int ret;
 

drivers/video/backlight/ams369fg06.c

@@ -471,7 +471,7 @@ static int ams369fg06_probe(struct spi_device *spi)
 	lcd->spi = spi;
 	lcd->dev = &spi->dev;
 
-	lcd->lcd_pd = spi->dev.platform_data;
+	lcd->lcd_pd = dev_get_platdata(&spi->dev);
 	if (!lcd->lcd_pd) {
 		dev_err(&spi->dev, "platform data is NULL\n");
 		return -EINVAL;

drivers/video/backlight/atmel-pwm-bl.c

@@ -133,7 +133,7 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
 
 	pwmbl->pdev = pdev;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata) {
 		retval = -ENODEV;
 		goto err_free_mem;

drivers/video/backlight/bd6107.c

@@ -128,7 +128,7 @@ static const struct backlight_ops bd6107_backlight_ops = {
 static int bd6107_probe(struct i2c_client *client,
 			  const struct i2c_device_id *id)
 {
-	struct bd6107_platform_data *pdata = client->dev.platform_data;
+	struct bd6107_platform_data *pdata = dev_get_platdata(&client->dev);
 	struct backlight_device *backlight;
 	struct backlight_properties props;
 	struct bd6107 *bd;

drivers/video/backlight/corgi_lcd.c

@@ -533,7 +533,7 @@ static int setup_gpio_backlight(struct corgi_lcd *lcd,
 static int corgi_lcd_probe(struct spi_device *spi)
 {
 	struct backlight_properties props;
-	struct corgi_lcd_platform_data *pdata = spi->dev.platform_data;
+	struct corgi_lcd_platform_data *pdata = dev_get_platdata(&spi->dev);
 	struct corgi_lcd *lcd;
 	int ret = 0;
 

drivers/video/backlight/da903x_bl.c

@@ -109,7 +109,7 @@ static const struct backlight_ops da903x_backlight_ops = {
 
 static int da903x_backlight_probe(struct platform_device *pdev)
 {
-	struct da9034_backlight_pdata *pdata = pdev->dev.platform_data;
+	struct da9034_backlight_pdata *pdata = dev_get_platdata(&pdev->dev);
 	struct da903x_backlight_data *data;
 	struct backlight_device *bl;
 	struct backlight_properties props;

drivers/video/backlight/generic_bl.c

@@ -79,7 +79,7 @@ static const struct backlight_ops genericbl_ops = {
 static int genericbl_probe(struct platform_device *pdev)
 {
 	struct backlight_properties props;
-	struct generic_bl_info *machinfo = pdev->dev.platform_data;
+	struct generic_bl_info *machinfo = dev_get_platdata(&pdev->dev);
 	const char *name = "generic-bl";
 	struct backlight_device *bd;
 

drivers/video/backlight/gpio_backlight.c

@@ -62,7 +62,8 @@ static const struct backlight_ops gpio_backlight_ops = {
 
 static int gpio_backlight_probe(struct platform_device *pdev)
 {
-	struct gpio_backlight_platform_data *pdata = pdev->dev.platform_data;
+	struct gpio_backlight_platform_data *pdata =
+		dev_get_platdata(&pdev->dev);
 	struct backlight_properties props;
 	struct backlight_device *bl;
 	struct gpio_backlight *gbl;

drivers/video/backlight/ili9320.c

@@ -198,7 +198,7 @@ static void ili9320_setup_spi(struct ili9320 *ili,
 int ili9320_probe_spi(struct spi_device *spi,
 				struct ili9320_client *client)
 {
-	struct ili9320_platdata *cfg = spi->dev.platform_data;
+	struct ili9320_platdata *cfg = dev_get_platdata(&spi->dev);
 	struct device *dev = &spi->dev;
 	struct ili9320 *ili;
 	struct lcd_device *lcd;

drivers/video/backlight/kb3886_bl.c

@@ -141,7 +141,7 @@ static const struct backlight_ops kb3886bl_ops = {
 static int kb3886bl_probe(struct platform_device *pdev)
 {
 	struct backlight_properties props;
-	struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data;
+	struct kb3886bl_machinfo *machinfo = dev_get_platdata(&pdev->dev);
 
 	bl_machinfo = machinfo;
 	if (!machinfo->limit_mask)

drivers/video/backlight/l4f00242t03.c

@@ -48,7 +48,7 @@ static void l4f00242t03_reset(unsigned int gpio)
 
 static void l4f00242t03_lcd_init(struct spi_device *spi)
 {
-	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;
+	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
 	const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) };
 	int ret;
@@ -88,7 +88,7 @@ static void l4f00242t03_lcd_init(struct spi_device *spi)
 
 static void l4f00242t03_lcd_powerdown(struct spi_device *spi)
 {
-	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;
+	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
 	struct l4f00242t03_priv *priv = spi_get_drvdata(spi);
 
 	dev_dbg(&spi->dev, "Powering down LCD\n");
@@ -171,7 +171,7 @@ static struct lcd_ops l4f_ops = {
 static int l4f00242t03_probe(struct spi_device *spi)
 {
 	struct l4f00242t03_priv *priv;
-	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;
+	struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev);
 	int ret;
 
 	if (pdata == NULL) {

drivers/video/backlight/ld9040.c

@@ -702,7 +702,7 @@ static int ld9040_probe(struct spi_device *spi)
 	lcd->spi = spi;
 	lcd->dev = &spi->dev;
 
-	lcd->lcd_pd = spi->dev.platform_data;
+	lcd->lcd_pd = dev_get_platdata(&spi->dev);
 	if (!lcd->lcd_pd) {
 		dev_err(&spi->dev, "platform data is NULL.\n");
 		return -EINVAL;

drivers/video/backlight/lm3533_bl.c

@@ -284,7 +284,7 @@ static int lm3533_bl_probe(struct platform_device *pdev)
 	if (!lm3533)
 		return -EINVAL;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata) {
 		dev_err(&pdev->dev, "no platform data\n");
 		return -EINVAL;

drivers/video/backlight/lm3630a_bl.c

@@ -365,7 +365,7 @@ static const struct regmap_config lm3630a_regmap = {
 static int lm3630a_probe(struct i2c_client *client,
 			 const struct i2c_device_id *id)
 {
-	struct lm3630a_platform_data *pdata = client->dev.platform_data;
+	struct lm3630a_platform_data *pdata = dev_get_platdata(&client->dev);
 	struct lm3630a_chip *pchip;
 	int rval;
 

drivers/video/backlight/lm3639_bl.c

@@ -307,7 +307,7 @@ static int lm3639_probe(struct i2c_client *client,
 {
 	int ret;
 	struct lm3639_chip_data *pchip;
-	struct lm3639_platform_data *pdata = client->dev.platform_data;
+	struct lm3639_platform_data *pdata = dev_get_platdata(&client->dev);
 	struct backlight_properties props;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {

drivers/video/backlight/lms283gf05.c

@@ -128,7 +128,7 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power)
 {
 	struct lms283gf05_state *st = lcd_get_data(ld);
 	struct spi_device *spi = st->spi;
-	struct lms283gf05_pdata *pdata = spi->dev.platform_data;
+	struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev);
 
 	if (power <= FB_BLANK_NORMAL) {
 		if (pdata)
@@ -153,7 +153,7 @@ static struct lcd_ops lms_ops = {
 static int lms283gf05_probe(struct spi_device *spi)
 {
 	struct lms283gf05_state *st;
-	struct lms283gf05_pdata *pdata = spi->dev.platform_data;
+	struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev);
 	struct lcd_device *ld;
 	int ret = 0;
 

drivers/video/backlight/lms501kf03.c

@@ -344,7 +344,7 @@ static int lms501kf03_probe(struct spi_device *spi)
 	lcd->spi = spi;
 	lcd->dev = &spi->dev;
 
-	lcd->lcd_pd = spi->dev.platform_data;
+	lcd->lcd_pd = dev_get_platdata(&spi->dev);
 	if (!lcd->lcd_pd) {
 		dev_err(&spi->dev, "platform data is NULL\n");
 		return -EINVAL;

drivers/video/backlight/lp855x_bl.c

@@ -405,7 +405,7 @@ static int lp855x_parse_dt(struct device *dev, struct device_node *node)
 static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
 {
 	struct lp855x *lp;
-	struct lp855x_platform_data *pdata = cl->dev.platform_data;
+	struct lp855x_platform_data *pdata = dev_get_platdata(&cl->dev);
 	struct device_node *node = cl->dev.of_node;
 	int ret;
 
@@ -414,7 +414,7 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
 		if (ret < 0)
 			return ret;
 
-		pdata = cl->dev.platform_data;
+		pdata = dev_get_platdata(&cl->dev);
 	}
 
 	if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK))

drivers/video/backlight/lv5207lp.c

@@ -93,7 +93,7 @@ static const struct backlight_ops lv5207lp_backlight_ops = {
 static int lv5207lp_probe(struct i2c_client *client,
 			  const struct i2c_device_id *id)
 {
-	struct lv5207lp_platform_data *pdata = client->dev.platform_data;
+	struct lv5207lp_platform_data *pdata = dev_get_platdata(&client->dev);
 	struct backlight_device *backlight;
 	struct backlight_properties props;
 	struct lv5207lp *lv;

drivers/video/backlight/omap1_bl.c

@@ -133,7 +133,7 @@ static int omapbl_probe(struct platform_device *pdev)
 	struct backlight_properties props;
 	struct backlight_device *dev;
 	struct omap_backlight *bl;
-	struct omap_backlight_config *pdata = pdev->dev.platform_data;
+	struct omap_backlight_config *pdata = dev_get_platdata(&pdev->dev);
 
 	if (!pdata)
 		return -ENXIO;

drivers/video/backlight/pcf50633-backlight.c

@@ -103,7 +103,7 @@ static int pcf50633_bl_probe(struct platform_device *pdev)
 {
 	struct pcf50633_bl *pcf_bl;
 	struct device *parent = pdev->dev.parent;
-	struct pcf50633_platform_data *pcf50633_data = parent->platform_data;
+	struct pcf50633_platform_data *pcf50633_data = dev_get_platdata(parent);
 	struct pcf50633_bl_platform_data *pdata = pcf50633_data->backlight_data;
 	struct backlight_properties bl_props;
 

drivers/video/backlight/platform_lcd.c

@@ -80,7 +80,7 @@ static int platform_lcd_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	int err;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata) {
 		dev_err(dev, "no platform data supplied\n");
 		return -EINVAL;

drivers/video/backlight/pwm_bl.c

@@ -163,7 +163,7 @@ static int pwm_backlight_parse_dt(struct device *dev,
 
 static int pwm_backlight_probe(struct platform_device *pdev)
 {
-	struct platform_pwm_backlight_data *data = pdev->dev.platform_data;
+	struct platform_pwm_backlight_data *data = dev_get_platdata(&pdev->dev);
 	struct platform_pwm_backlight_data defdata;
 	struct backlight_properties props;
 	struct backlight_device *bl;

drivers/video/backlight/s6e63m0.c

@@ -735,7 +735,7 @@ static int s6e63m0_probe(struct spi_device *spi)
 	lcd->spi = spi;
 	lcd->dev = &spi->dev;
 
-	lcd->lcd_pd = spi->dev.platform_data;
+	lcd->lcd_pd = dev_get_platdata(&spi->dev);
 	if (!lcd->lcd_pd) {
 		dev_err(&spi->dev, "platform data is NULL.\n");
 		return -EINVAL;

drivers/video/backlight/tdo24m.c

@@ -338,7 +338,7 @@ static int tdo24m_probe(struct spi_device *spi)
 	enum tdo24m_model model;
 	int err;
 
-	pdata = spi->dev.platform_data;
+	pdata = dev_get_platdata(&spi->dev);
 	if (pdata)
 		model = pdata->model;
 	else

drivers/video/backlight/tosa_bl.c

@@ -38,7 +38,7 @@ struct tosa_bl_data {
 
 static void tosa_bl_set_backlight(struct tosa_bl_data *data, int brightness)
 {
-	struct spi_device *spi = data->i2c->dev.platform_data;
+	struct spi_device *spi = dev_get_platdata(&data->i2c->dev);
 
 	i2c_smbus_write_byte_data(data->i2c, DAC_CH1, data->comadj);
 

drivers/video/backlight/tps65217_bl.c

@@ -287,12 +287,11 @@ static int tps65217_bl_probe(struct platform_device *pdev)
 		if (IS_ERR(pdata))
 			return PTR_ERR(pdata);
 	} else {
-		if (!pdev->dev.platform_data) {
+		pdata = dev_get_platdata(&pdev->dev);
+		if (!pdata) {
 			dev_err(&pdev->dev, "no platform data provided\n");
 			return -EINVAL;
 		}
-
-		pdata = pdev->dev.platform_data;
 	}
 
 	tps65217_bl = devm_kzalloc(&pdev->dev, sizeof(*tps65217_bl),

drivers/video/backlight/wm831x_bl.c

@@ -123,7 +123,7 @@ static const struct backlight_ops wm831x_backlight_ops = {
 static int wm831x_backlight_probe(struct platform_device *pdev)
 {
 	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-	struct wm831x_pdata *wm831x_pdata;
+	struct wm831x_pdata *wm831x_pdata = dev_get_platdata(pdev->dev.parent);
 	struct wm831x_backlight_pdata *pdata;
 	struct wm831x_backlight_data *data;
 	struct backlight_device *bl;
@@ -131,12 +131,10 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
 	int ret, i, max_isel, isink_reg, dcdc_cfg;
 
 	/* We need platform data */
-	if (pdev->dev.parent->platform_data) {
-		wm831x_pdata = pdev->dev.parent->platform_data;
+	if (wm831x_pdata)
 		pdata = wm831x_pdata->backlight;
-	} else {
+	else
 		pdata = NULL;
-	}
 
 	if (!pdata) {
 		dev_err(&pdev->dev, "No platform data supplied\n");