usbhsg_gpriv_to_dcp
#define usbhsg_is_dcp(u) ((u) == usbhsg_gpriv_to_dcp((u)->gpriv))
struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv);
struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv);
struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv);
struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv);