Re: [PATCH v12 2/2] media: V3s: Add support for Allwinner CSI.

[Jagan Teki <jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>]

On Tue, Oct 30, 2018 at 1:49 PM Yong Deng <yong.deng-+3dxTMOEIRNWk0Htik3J/w@public.gmane.org> wrote:
>
> Allwinner V3s SoC features a CSI module with parallel interface.
>
> This patch implement a v4l2 framework driver for it.
>
> Reviewed-by: Hans Verkuil <hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
> Reviewed-by: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
> Tested-by: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
> Signed-off-by: Yong Deng <yong.deng-+3dxTMOEIRNWk0Htik3J/w@public.gmane.org>
> ---
>  MAINTAINERS                                        |   8 +
>  drivers/media/platform/Kconfig                     |   1 +
>  drivers/media/platform/Makefile                    |   2 +
>  drivers/media/platform/sunxi/sun6i-csi/Kconfig     |   9 +
>  drivers/media/platform/sunxi/sun6i-csi/Makefile    |   3 +
>  drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 915 +++++++++++++++++++++
>  drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h | 135 +++
>  .../media/platform/sunxi/sun6i-csi/sun6i_csi_reg.h | 196 +++++
>  .../media/platform/sunxi/sun6i-csi/sun6i_video.c   | 678 +++++++++++++++
>  .../media/platform/sunxi/sun6i-csi/sun6i_video.h   |  38 +
>  10 files changed, 1985 insertions(+)
>  create mode 100644 drivers/media/platform/sunxi/sun6i-csi/Kconfig
>  create mode 100644 drivers/media/platform/sunxi/sun6i-csi/Makefile
>  create mode 100644 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
>  create mode 100644 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
>  create mode 100644 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_reg.h
>  create mode 100644 drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c
>  create mode 100644 drivers/media/platform/sunxi/sun6i-csi/sun6i_video.h
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 23021e0df5d7..42d73b35ed3e 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3900,6 +3900,14 @@ M:       Jaya Kumar <jayakumar.alsa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>  S:     Maintained
>  F:     sound/pci/cs5535audio/
>
> +CSI DRIVERS FOR ALLWINNER V3s
> +M:     Yong Deng <yong.deng-+3dxTMOEIRNWk0Htik3J/w@public.gmane.org>
> +L:     linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> +T:     git git://linuxtv.org/media_tree.git
> +S:     Maintained
> +F:     drivers/media/platform/sunxi/sun6i-csi/
> +F:     Documentation/devicetree/bindings/media/sun6i-csi.txt
> +
>  CW1200 WLAN driver
>  M:     Solomon Peachy <pizza-pCgMCH4qpMRg9hUCZPvPmw@public.gmane.org>
>  S:     Maintained
> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
> index 0edacfb01f3a..be6626ed0ec8 100644
> --- a/drivers/media/platform/Kconfig
> +++ b/drivers/media/platform/Kconfig
> @@ -138,6 +138,7 @@ source "drivers/media/platform/am437x/Kconfig"
>  source "drivers/media/platform/xilinx/Kconfig"
>  source "drivers/media/platform/rcar-vin/Kconfig"
>  source "drivers/media/platform/atmel/Kconfig"
> +source "drivers/media/platform/sunxi/sun6i-csi/Kconfig"

[snip]

> +
> +       return 0;
> +}
> +
> +static int sun6i_subdev_notify_complete(struct v4l2_async_notifier *notifier)
> +{
> +       struct sun6i_csi *csi = container_of(notifier, struct sun6i_csi,
> +                                            notifier);
> +       struct v4l2_device *v4l2_dev = &csi->v4l2_dev;
> +       struct v4l2_subdev *sd;
> +       int ret;
> +
> +       dev_dbg(csi->dev, "notify complete, all subdevs registered\n");
> +
> +       if (notifier->num_subdevs != 1)

drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c: In function
‘sun6i_subdev_notify_complete’:
drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c:646:14: error:
‘struct v4l2_async_notifier’ has no member named ‘num_subdevs’

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