diff mbox series

[v2,4/4] misc: fastrpc: Add support for users to clean up DSP user PD

Message ID 1698310400-5601-5-git-send-email-quic_ekangupt@quicinc.com
State New
Headers
Series Add missing features to FastRPC driver |

Commit Message

Ekansh Gupta Oct. 26, 2023, 8:53 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(+)
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Patch

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;