USB: c67x00: 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/c67x00/c67x00-drv.c b/drivers/usb/c67x00/c67x00-drv.c
index fe815ec..8db3380 100644
--- a/drivers/usb/c67x00/c67x00-drv.c
+++ b/drivers/usb/c67x00/c67x00-drv.c
@@ -131,7 +131,7 @@
 	if (!res2)
 		return -ENODEV;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata)
 		return -ENODEV;
 
@@ -154,7 +154,7 @@
 
 	spin_lock_init(&c67x00->hpi.lock);
 	c67x00->hpi.regstep = pdata->hpi_regstep;
-	c67x00->pdata = pdev->dev.platform_data;
+	c67x00->pdata = dev_get_platdata(&pdev->dev);
 	c67x00->pdev = pdev;
 
 	c67x00_ll_init(c67x00);