vfio/mdev: Remove mdev drvdata

This is no longer used, remove it.

All usages were moved over to either use container_of() from a vfio_device
or to use dev_drvdata() directly on the mdev.

Signed-off-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Zhi Wang <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Kirti Wankhede <[email protected]>
Reviewed-by: Zhi Wang <[email protected]>

Author: jgunthorpe

include/linux/mdev.h

@@ -15,7 +15,6 @@ struct mdev_type;
 struct mdev_device {
 	struct device dev;
 	guid_t uuid;
-	void *driver_data;
 	struct list_head next;
 	struct mdev_type *type;
 	bool active;
@@ -66,14 +65,6 @@ struct mdev_driver {
 	struct device_driver driver;
 };
 
-static inline void *mdev_get_drvdata(struct mdev_device *mdev)
-{
-	return mdev->driver_data;
-}
-static inline void mdev_set_drvdata(struct mdev_device *mdev, void *data)
-{
-	mdev->driver_data = data;
-}
 static inline const guid_t *mdev_uuid(struct mdev_device *mdev)
 {
 	return &mdev->uuid;