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

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Date:   Tue, 20 Nov 2018 18:27:48 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Yong Deng <yong.deng@...ewell.com>
Cc:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        davem@...emloft.net, akpm@...ux-foundation.org,
        Arnd Bergmann <arnd@...db.de>,
        Hans Verkuil <hans.verkuil@...co.com>,
        laurent.pinchart@...asonboard.com, geert@...ux-m68k.org,
        Neil Armstrong <narmstrong@...libre.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        jacopo+renesas@...ndi.org, tglx@...utronix.de,
        todor.tomov@...aro.org, linux-media <linux-media@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi@...glegroups.com,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
Subject: Re: [linux-sunxi] [PATCH v12 2/2] media: V3s: Add support for
 Allwinner CSI.

On Mon, Nov 19, 2018 at 5:38 PM Jagan Teki <jagan@...rulasolutions.com> wrote:
>
> On Tue, Oct 30, 2018 at 1:49 PM Yong Deng <yong.deng@...ewell.com> 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@...co.com>
> > Reviewed-by: Maxime Ripard <maxime.ripard@...tlin.com>
> > Tested-by: Maxime Ripard <maxime.ripard@...tlin.com>
> > Signed-off-by: Yong Deng <yong.deng@...ewell.com>
> > ---
> >  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@...il.com>
> >  S:     Maintained
> >  F:     sound/pci/cs5535audio/
> >
> > +CSI DRIVERS FOR ALLWINNER V3s
> > +M:     Yong Deng <yong.deng@...ewell.com>
> > +L:     linux-media@...r.kernel.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@...ftnet.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’

This build issues on linux-next, let me know you have next version
changes for this, thanks.