[PATCH 5/6] habanalabs: don't print error when queues are full

From: Oded Gabbay
Date: Sun Nov 10 2019 - 16:55:50 EST


If the queues are full and we return -EAGAIN to the user, there is no need
to print an error, as that case isn't an error and the user is expected to
re-submit the work.

Signed-off-by: Oded Gabbay <oded.gabbay@xxxxxxxxx>
---
drivers/misc/habanalabs/command_submission.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/misc/habanalabs/command_submission.c b/drivers/misc/habanalabs/command_submission.c
index 776ddafc47fb..8850f475a413 100644
--- a/drivers/misc/habanalabs/command_submission.c
+++ b/drivers/misc/habanalabs/command_submission.c
@@ -626,9 +626,10 @@ static int _hl_cs_ioctl(struct hl_fpriv *hpriv, void __user *chunks,

rc = hl_hw_queue_schedule_cs(cs);
if (rc) {
- dev_err(hdev->dev,
- "Failed to submit CS %d.%llu to H/W queues, error %d\n",
- cs->ctx->asid, cs->sequence, rc);
+ if (rc != -EAGAIN)
+ dev_err(hdev->dev,
+ "Failed to submit CS %d.%llu to H/W queues, error %d\n",
+ cs->ctx->asid, cs->sequence, rc);
goto free_cs_object;
}

--
2.17.1