platform: make better use of to_platform_{device,driver}() macros

This helps the code look more consistent and cleaner.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 9 insertions, 12 deletions

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 349a1013603f..62a8768d96b3 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -603,9 +603,8 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
  */
 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(struct device *dev, pm_message_t mesg)
 
 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;
 }