mtd: devices: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 57522c8..b5190c4 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -929,7 +929,7 @@
 	 * a chip ID, try the JEDEC id commands; they'll work for most
 	 * newer chips, even if we don't recognize the particular chip.
 	 */
-	data = spi->dev.platform_data;
+	data = dev_get_platdata(&spi->dev);
 	if (data && data->type) {
 		const struct spi_device_id *plat_id;