Looks pretty good to me now, just one nitpick:
On Thu, 7 Feb 2013, Albert Wang wrote:
> From: Libin Yang <lby...@marvell.com>
>
> This patch adds the new formats support for marvell-ccic.
>
> Signed-off-by: Albert Wang <twan...@marvell.com>
> Signed-off-by: Libin Yang <lby...@marvell.com>
> ---
> drivers/media/platform/marvell-ccic/mcam-core.c | 189
> +++++++++++++++++++----
> drivers/media/platform/marvell-ccic/mcam-core.h | 6 +
> 2 files changed, 162 insertions(+), 33 deletions(-)
>
> diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c
> b/drivers/media/platform/marvell-ccic/mcam-core.c
> index f89fce7..0f9604e 100755
> --- a/drivers/media/platform/marvell-ccic/mcam-core.c
> +++ b/drivers/media/platform/marvell-ccic/mcam-core.c
[snip]
> @@ -971,11 +1062,35 @@ static void mcam_vb_buf_queue(struct vb2_buffer *vb)
> {
> struct mcam_vb_buffer *mvb = vb_to_mvb(vb);
> struct mcam_camera *cam = vb2_get_drv_priv(vb->vb2_queue);
> + struct v4l2_pix_format *fmt = &cam->pix_format;
> unsigned long flags;
> int start;
> + dma_addr_t dma_handle;
> + u32 pixel_count = fmt->width * fmt->height;
>
> spin_lock_irqsave(&cam->dev_lock, flags);
> + dma_handle = vb2_dma_contig_plane_dma_addr(vb, 0);
> + BUG_ON(!dma_handle);
Again - a bit too strong. But the truth is - .buf_queue() cannot fail...
Would it be possible to move this pointer calculation to .buf_prepare(),
which does return an error code?
Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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