ide: 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: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/ide_platform.c b/drivers/ide/ide_platform.c
index ba4bfbe..a8b4b6a 100644
--- a/drivers/ide/ide_platform.c
+++ b/drivers/ide/ide_platform.c
@@ -56,7 +56,7 @@
 	struct ide_hw hw, *hws[] = { &hw };
 	struct ide_port_info d = platform_ide_port_info;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 
 	/* get a pointer to the register memory */
 	res_base = platform_get_resource(pdev, IORESOURCE_IO, 0);