linux-kernel - [PATCH 29/55] media: ti: am437x: Stop abusing of min_buffers

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Message-Id: <20231127165454.166373-30-benjamin.gaignard@collabora.com>
Date:   Mon, 27 Nov 2023 17:54:28 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     hverkuil@...all.nl, mchehab@...nel.org, tfiga@...omium.org,
        m.szyprowski@...sung.com, matt.ranostay@...sulko.com
Cc:     linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-staging@...ts.linux.dev, kernel@...labora.com,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        "Lad, Prabhakar" <prabhakar.csengg@...il.com>
Subject: [PATCH 29/55] media: ti: am437x: Stop abusing of min_buffers_needed field

'min_buffers_needed' is suppose to be used to indicate the number
of buffers needed by DMA engine to start streaming.
am437x driver doesn't use DMA engine and just want to specify
the minimum number of buffers to allocate when calling VIDIOC_REQBUFS.
That 'min_reqbufs_allocation' field purpose so use it.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
CC: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
---
 drivers/media/platform/ti/am437x/am437x-vpfe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/ti/am437x/am437x-vpfe.c b/drivers/media/platform/ti/am437x/am437x-vpfe.c
index f18acf9286a2..c2abb7760225 100644
--- a/drivers/media/platform/ti/am437x/am437x-vpfe.c
+++ b/drivers/media/platform/ti/am437x/am437x-vpfe.c
@@ -2234,7 +2234,7 @@ static int vpfe_probe_complete(struct vpfe_device *vpfe)
 	q->buf_struct_size = sizeof(struct vpfe_cap_buffer);
 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 	q->lock = &vpfe->lock;
-	q->min_buffers_needed = 1;
+	q->min_reqbufs_allocation = 1;
 	q->dev = vpfe->pdev;
 
 	err = vb2_queue_init(q);
-- 
2.39.2