linux-kernel - [PATCH 1/3] media: allegro: print warning if channel creation timeout occurs

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Message-Id: <20250901-allegro-dvt-fixes-v1-1-4e4d493836ef@emfend.at>
Date: Mon, 01 Sep 2025 17:13:36 +0200
From: Matthias Fend <matthias.fend@...end.at>
To: Michael Tretter <m.tretter@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Matthias Fend <matthias.fend@...end.at>
Subject: [PATCH 1/3] media: allegro: print warning if channel creation
 timeout occurs

This message can be helpful for troubleshooting and there is already a
corresponding message in case of a channel destroy timeout.
Add a similar message for channel creation.

Signed-off-by: Matthias Fend <matthias.fend@...end.at>
---
 drivers/media/platform/allegro-dvt/allegro-core.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/allegro-dvt/allegro-core.c b/drivers/media/platform/allegro-dvt/allegro-core.c
index eb03df0d8652745ef533b9b7aa6c105a140ad022..4c5c2a7fe5426aa81ba341aba046ef166c51f664 100644
--- a/drivers/media/platform/allegro-dvt/allegro-core.c
+++ b/drivers/media/platform/allegro-dvt/allegro-core.c
@@ -2599,8 +2599,14 @@ static int allegro_create_channel(struct allegro_channel *channel)
 	allegro_mcu_send_create_channel(dev, channel);
 	time_left = wait_for_completion_timeout(&channel->completion,
 						msecs_to_jiffies(5000));
-	if (time_left == 0)
+	if (time_left == 0) {
+		v4l2_warn(&dev->v4l2_dev,
+			  "user %d: timeout while creating channel\n",
+			  channel->user_id);
+
 		channel->error = -ETIMEDOUT;
+	}
+
 	if (channel->error)
 		goto err;
 

-- 
2.25.1