linux-kernel - [PATCH 32/55] media: saa7146: Stop abusing of min_buffers

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Message-Id: <20231127165454.166373-33-benjamin.gaignard@collabora.com>
Date:   Mon, 27 Nov 2023 17:54:31 +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>
Subject: [PATCH 32/55] media: saa7146: 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.
saa7146 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>
---
 drivers/media/common/saa7146/saa7146_fops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c
index 79214459387a..db4d725a05d4 100644
--- a/drivers/media/common/saa7146/saa7146_fops.c
+++ b/drivers/media/common/saa7146/saa7146_fops.c
@@ -387,7 +387,7 @@ int saa7146_register_device(struct video_device *vfd, struct saa7146_dev *dev,
 	q->gfp_flags = __GFP_DMA32;
 	q->buf_struct_size = sizeof(struct saa7146_buf);
 	q->lock = &dev->v4l2_lock;
-	q->min_buffers_needed = 2;
+	q->min_reqbufs_allocation = 2;
 	q->dev = &dev->pci->dev;
 	err = vb2_queue_init(q);
 	if (err)
-- 
2.39.2