VCHI_CALLBACK_T    48 drivers/staging/vc04_services/interface/vchi/vchi.h 	VCHI_CALLBACK_T callback;
VCHI_CALLBACK_T    89 drivers/staging/vc04_services/interface/vchi/vchi_common.h typedef void (*VCHI_CALLBACK_T)(void *callback_param, //my service local param
VCHI_CALLBACK_T    19 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c 	VCHI_CALLBACK_T callback;