diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 349a101..62a8768 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -603,9 +603,8 @@
  */
 static int platform_match(struct device *dev, struct device_driver *drv)
 {
-	struct platform_device *pdev;
+	struct platform_device *pdev = to_platform_device(dev);
 
-	pdev = container_of(dev, struct platform_device, dev);
 	return (strcmp(pdev->name, drv->name) == 0);
 }
 
@@ -623,26 +622,24 @@
 
 static int platform_legacy_suspend_late(struct device *dev, pm_message_t mesg)
 {
-	struct platform_driver *drv = to_platform_driver(dev->driver);
-	struct platform_device *pdev;
+	struct platform_driver *pdrv = to_platform_driver(dev->driver);
+	struct platform_device *pdev = to_platform_device(dev);
 	int ret = 0;
 
-	pdev = container_of(dev, struct platform_device, dev);
-	if (dev->driver && drv->suspend_late)
-		ret = drv->suspend_late(pdev, mesg);
+	if (dev->driver && pdrv->suspend_late)
+		ret = pdrv->suspend_late(pdev, mesg);
 
 	return ret;
 }
 
 static int platform_legacy_resume_early(struct device *dev)
 {
-	struct platform_driver *drv = to_platform_driver(dev->driver);
-	struct platform_device *pdev;
+	struct platform_driver *pdrv = to_platform_driver(dev->driver);
+	struct platform_device *pdev = to_platform_device(dev);
 	int ret = 0;
 
-	pdev = container_of(dev, struct platform_device, dev);
-	if (dev->driver && drv->resume_early)
-		ret = drv->resume_early(pdev);
+	if (dev->driver && pdrv->resume_early)
+		ret = pdrv->resume_early(pdev);
 
 	return ret;
 }
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 83d8ed3..c2c95e6 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4135,10 +4135,9 @@
 static ssize_t floppy_cmos_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
-	struct platform_device *p;
+	struct platform_device *p = to_platform_device(dev);
 	int drive;
 
-	p = container_of(dev, struct platform_device,dev);
 	drive = p->id;
 	return sprintf(buf, "%X\n", UDP->cmos);
 }
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index ac245e7..3071a52 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -389,8 +389,7 @@
 
 static void gigaset_device_release(struct device *dev)
 {
-	struct platform_device *pdev =
-		container_of(dev, struct platform_device, dev);
+	struct platform_device *pdev = to_platform_device(dev);
 
 	/* adapted from platform_device_release() in drivers/base/platform.c */
 	//FIXME is this actually necessary?