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    Subject[PATCH 23/55] media: imx: Stop abusing of min_buffers_needed field
    Date
    'min_buffers_needed' is suppose to be used to indicate the number
    of buffers needed by DMA engine to start streaming.
    imx-media-capture 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@collabora.com>
    CC: Steve Longerbeam <slongerbeam@gmail.com>
    CC: Philipp Zabel <p.zabel@pengutronix.de>
    CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    CC: Shawn Guo <shawnguo@kernel.org>
    CC: Sascha Hauer <s.hauer@pengutronix.de>
    CC: Pengutronix Kernel Team <kernel@pengutronix.de>
    CC: Fabio Estevam <festevam@gmail.com>
    CC: NXP Linux Team <linux-imx@nxp.com>
    ---
    drivers/staging/media/imx/imx-media-capture.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c
    index ce02199e7b1b..5bb1ebd35d89 100644
    --- a/drivers/staging/media/imx/imx-media-capture.c
    +++ b/drivers/staging/media/imx/imx-media-capture.c
    @@ -1022,7 +1022,7 @@ imx_media_capture_device_init(struct device *dev, struct v4l2_subdev *src_sd,
    vq->mem_ops = &vb2_dma_contig_memops;
    vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
    vq->lock = &priv->mutex;
    - vq->min_buffers_needed = 2;
    + vq->min_reqbufs_allocation = 2;
    vq->dev = priv->dev;

    ret = vb2_queue_init(vq);
    --
    2.39.2
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