/* dev_stop() shall cleanup fp resources in hw but without releasing
* dma memories and sw structures so that dev_start() can be called
* by the app without reconfiguration. However, in dev_close() we
/* dev_stop() shall cleanup fp resources in hw but without releasing
* dma memories and sw structures so that dev_start() can be called
* by the app without reconfiguration. However, in dev_close() we