Add a control mechanism for users to clean up DSP user PD. This method can be used by users for handling any unexpected hang scenarios on DSP PD. User can clean up DSP PD and restart the user PD again. Signed-off-by: Ekansh Gupta <quic_ekangupt@xxxxxxxxxxx> --- drivers/misc/fastrpc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index e012ff25..7b1a41d 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -2254,6 +2254,11 @@ static int fastrpc_internal_control(struct fastrpc_user *fl, case FASTRPC_CONTROL_RPC_POLL: err = fastrpc_manage_poll_mode(fl, cp->lp.enable, cp->lp.latency); break; + case FASTRPC_CONTROL_DSPPROCESS_CLEAN: + err = fastrpc_release_current_dsp_process(fl); + if (!err) + fastrpc_queue_pd_status(fl, fl->cctx->domain_id, FASTRPC_USERPD_FORCE_KILL); + break; default: err = -EBADRQC; break; -- 2.7.4