cdev_to_priv
#define cdev_to_priv(c) container_of(c, struct apu_led_priv, cdev)
#define cdev_to_priv(c) container_of(c, struct mlxcpld_led_priv, cdev)
#define cdev_to_priv(c) container_of(c, struct mlxreg_led_data, led_cdev)
static inline struct m_can_pci_priv *cdev_to_priv(struct m_can_classdev *cdev)
static inline struct m_can_plat_priv *cdev_to_priv(struct m_can_classdev *cdev)
static inline struct tcan4x5x_priv *cdev_to_priv(struct m_can_classdev *cdev)