diff mbox series

[v1,4/4] misc: fastrpc: Add support for users to clean up DSP user PD

Message ID 1695970830-12331-5-git-send-email-quic_ekangupt@quicinc.com
State New
Headers
Series Add missing features to FastRPC driver |

Commit Message

Ekansh Gupta Sept. 29, 2023, 7 a.m. UTC 
  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@quicinc.com>
---
 drivers/misc/fastrpc.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 40cb867..55f5286 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -2253,6 +2253,11 @@  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;