/* Get the parent device driver (us) structure from a child function device  */
static struct sa1111* sa1111_chip_driver(struct sa1111_dev *sadev)
/* Get the parent device driver (us) structure from a child function device  */
static struct sa1111* sa1111_chip_driver(struct sa1111_dev *sadev)
{
	return (struct sa1111 *)dev_get_drvdata(sadev->dev.parent);
}