From: Ofir Bitton <obitton@habana.ai>
Date: Tue, 27 Apr 2021 14:49:25 +0000 (+0300)
Subject: habanalabs: wait for interrupt wrong timeout calculation
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=24a107097fbd8fb6a48a0dcb31e64c1de6831a1d;p=linux.git

habanalabs: wait for interrupt wrong timeout calculation

Wait for interrupt timeout calculation is wrong, hence timeout occurs
when user waits on an interrupt with certain timeout values.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---

diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c
index ff8791a651fd1..af3c497defb10 100644
--- a/drivers/misc/habanalabs/common/command_submission.c
+++ b/drivers/misc/habanalabs/common/command_submission.c
@@ -2017,7 +2017,7 @@ wait_again:
 		if (completion_value >= target_value) {
 			*status = CS_WAIT_STATUS_COMPLETED;
 		} else {
-			timeout -= jiffies_to_usecs(completion_rc);
+			timeout = completion_rc;
 			goto wait_again;
 		}
 	} else {