54     struct Ak8789DrvData *drvData = (struct Ak8789DrvData *)OsalMemCalloc(sizeof(*drvData));  in Ak8789BindDriver()  local
55     if (drvData == NULL) {  in Ak8789BindDriver()
60     drvData->ioService.Dispatch = DispatchAK8789;  in Ak8789BindDriver()
61     drvData->device = device;  in Ak8789BindDriver()
62     device->service = &drvData->ioService;  in Ak8789BindDriver()
63     g_ak8789DrvData = drvData;  in Ak8789BindDriver()
73     struct Ak8789DrvData *drvData = (struct Ak8789DrvData *)device->service;  in AK8789InitDriver()  local
74     CHECK_NULL_PTR_RETURN_VALUE(drvData, HDF_ERR_INVALID_PARAM);  in AK8789InitDriver()
82     drvData->sensorCfg = HallCreateCfgData(device->property);  in AK8789InitDriver()
83     if (drvData->sensorCfg == NULL) {  in AK8789InitDriver()
102     struct Ak8789DrvData *drvData = (struct Ak8789DrvData *)device->service;  in Ak8789ReleaseDriver()  local
103     CHECK_NULL_PTR_RETURN(drvData);  in Ak8789ReleaseDriver()
105     HallReleaseCfgData(drvData->sensorCfg);  in Ak8789ReleaseDriver()
106     drvData->sensorCfg = NULL;  in Ak8789ReleaseDriver()
107     OsalMemFree(drvData);  in Ak8789ReleaseDriver()