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>

32 files changed, 44 insertions, 46 deletions

diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index 2cd63507ed74..a84a12a6bf91 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/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;
diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c
index c6fc668d6236..c68232b8b7de 100644
--- a/drivers/video/backlight/aat2870_bl.c
+++ b/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;
diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c
index c84701b7ca6e..fe8e3d1c9798 100644
--- a/drivers/video/backlight/adp5520_bl.c
+++ b/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");
diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
index 75b10f876127..2f77f37fac3c 100644
--- a/drivers/video/backlight/adp8860_bl.c
+++ b/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;
diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c
index 90049d7b5c60..9eee69fea49d 100644
--- a/drivers/video/backlight/adp8870_bl.c
+++ b/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;
 
diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c
index 319fef6cb422..df5507b2b492 100644
--- a/drivers/video/backlight/ams369fg06.c
+++ b/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;
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index f7447f7004fb..c11121e9176b 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/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;
diff --git a/drivers/video/backlight/bd6107.c b/drivers/video/backlight/bd6107.c
index 15e3294b29fe..43c434e7dc86 100644
--- a/drivers/video/backlight/bd6107.c
+++ b/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;
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
index c97867a717a7..be56cfe03845 100644
--- a/drivers/video/backlight/corgi_lcd.c
+++ b/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;
 
diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index 67cadd30e273..bbad5c21ed9e 100644
--- a/drivers/video/backlight/da903x_bl.c
+++ b/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;
diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c
index 19e393b41438..48fa9146958b 100644
--- a/drivers/video/backlight/generic_bl.c
+++ b/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;
 
diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
index 5fa217f9f445..118da0c6386f 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/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;
diff --git a/drivers/video/backlight/ili9320.c b/drivers/video/backlight/ili9320.c
index f8be90c5dedc..4dd43e079a8d 100644
--- a/drivers/video/backlight/ili9320.c
+++ b/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;
diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c
index bca6ccc74dfb..5bacabb233d6 100644
--- a/drivers/video/backlight/kb3886_bl.c
+++ b/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)
diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index a35a38c709cf..923eae2f85f8 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/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) {
diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c
index 1e0a3093ce50..26d5139b0696 100644
--- a/drivers/video/backlight/ld9040.c
+++ b/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;
diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
index 1d1dbfb789e3..93eea65f4cf9 100644
--- a/drivers/video/backlight/lm3533_bl.c
+++ b/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;
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 1128a022e1d3..999075a48863 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/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;
 
diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
index 6c888e39e4cd..6fd60adf922e 100644
--- a/drivers/video/backlight/lm3639_bl.c
+++ b/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)) {
diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c
index 4eec47261cd3..80b5929d4872 100644
--- a/drivers/video/backlight/lms283gf05.c
+++ b/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;
 
diff --git a/drivers/video/backlight/lms501kf03.c b/drivers/video/backlight/lms501kf03.c
index cf01b9ac8131..ff46e194a117 100644
--- a/drivers/video/backlight/lms501kf03.c
+++ b/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;
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index c952175d4113..57f005a9b475 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/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))
diff --git a/drivers/video/backlight/lv5207lp.c b/drivers/video/backlight/lv5207lp.c
index 498fd73d59b9..8091a28b2405 100644
--- a/drivers/video/backlight/lv5207lp.c
+++ b/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;
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index 812e22e35cab..ac11a4650c19 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/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;
diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c
index 6ed76be18f19..b2184cf70b92 100644
--- a/drivers/video/backlight/pcf50633-backlight.c
+++ b/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;
 
diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c
index 056836706708..cc0f0675366e 100644
--- a/drivers/video/backlight/platform_lcd.c
+++ b/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;
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 1fea627394d7..36db5d98dd2f 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/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;
diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c
index b37bb1854bf4..4e339adc1f57 100644
--- a/drivers/video/backlight/s6e63m0.c
+++ b/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;
diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c
index 18cdf466d50a..2ccfa46eee7c 100644
--- a/drivers/video/backlight/tdo24m.c
+++ b/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
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index 9df66ac68b34..b8db9338cacd 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/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);
 
diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
index 05782312aeb3..4ea20394e951 100644
--- a/drivers/video/backlight/tps65217_bl.c
+++ b/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),
diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
index 9e5517a3a52b..2ccf3206e93f 100644
--- a/drivers/video/backlight/wm831x_bl.c
+++ b/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");