linux-kernel - Re: [PATCH v3 13/14] include: media: v4l2-fwnode: Include v4l2_fwnode_bus

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Date:   Thu, 24 Dec 2020 14:32:21 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Daniel Scally <djrscally@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        devel@...ica.org, "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Yong Zhi <yong.zhi@...el.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Bingbu Cao <bingbu.cao@...el.com>,
        Tian Shu Qiu <tian.shu.qiu@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Robert Moore <robert.moore@...el.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>,
        kieran.bingham+renesas@...asonboard.com,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Marco Felsch <m.felsch@...gutronix.de>,
        niklas.soderlund+renesas@...natech.se,
        Steve Longerbeam <slongerbeam@...il.com>,
        "Krogerus, Heikki" <heikki.krogerus@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v3 13/14] include: media: v4l2-fwnode: Include v4l2_fwnode_bus_type

On Thu, Dec 24, 2020 at 3:13 AM Daniel Scally <djrscally@...il.com> wrote:
>
> V4L2 fwnode bus types are enumerated in v4l2-fwnode.c, meaning they aren't
> available to the rest of the kernel. Move the enum to the corresponding
> header so that I can use the label to refer to those values.

Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
One nitpick below, though.

> Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Signed-off-by: Daniel Scally <djrscally@...il.com>
> ---
> Changes in v3
>         - Patch introduced
>
>  drivers/media/v4l2-core/v4l2-fwnode.c | 11 -----------
>  include/media/v4l2-fwnode.h           | 22 ++++++++++++++++++++++
>  2 files changed, 22 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
> index 5353e37eb950..c1c2b3060532 100644
> --- a/drivers/media/v4l2-core/v4l2-fwnode.c
> +++ b/drivers/media/v4l2-core/v4l2-fwnode.c
> @@ -28,17 +28,6 @@
>  #include <media/v4l2-fwnode.h>
>  #include <media/v4l2-subdev.h>
>
> -enum v4l2_fwnode_bus_type {
> -       V4L2_FWNODE_BUS_TYPE_GUESS = 0,
> -       V4L2_FWNODE_BUS_TYPE_CSI2_CPHY,
> -       V4L2_FWNODE_BUS_TYPE_CSI1,
> -       V4L2_FWNODE_BUS_TYPE_CCP2,
> -       V4L2_FWNODE_BUS_TYPE_CSI2_DPHY,
> -       V4L2_FWNODE_BUS_TYPE_PARALLEL,
> -       V4L2_FWNODE_BUS_TYPE_BT656,
> -       NR_OF_V4L2_FWNODE_BUS_TYPE,
> -};
> -
>  static const struct v4l2_fwnode_bus_conv {
>         enum v4l2_fwnode_bus_type fwnode_bus_type;
>         enum v4l2_mbus_type mbus_type;
> diff --git a/include/media/v4l2-fwnode.h b/include/media/v4l2-fwnode.h
> index 4365430eea6f..d306a28bda96 100644
> --- a/include/media/v4l2-fwnode.h
> +++ b/include/media/v4l2-fwnode.h
> @@ -213,6 +213,28 @@ struct v4l2_fwnode_connector {
>         } connector;
>  };
>
> +/**
> + * enum v4l2_fwnode_bus_type - Video bus types defined by firmware properties
> + * @V4L2_FWNODE_BUS_TYPE_GUESS: Default value if no bus-type fwnode property
> + * @V4L2_FWNODE_BUS_TYPE_CSI2_CPHY: MIPI CSI-2 bus, C-PHY physical layer
> + * @V4L2_FWNODE_BUS_TYPE_CSI1: MIPI CSI-1 bus
> + * @V4L2_FWNODE_BUS_TYPE_CCP2: SMIA Compact Camera Port 2 bus
> + * @V4L2_FWNODE_BUS_TYPE_CSI2_DPHY: MIPI CSI-2 bus, D-PHY physical layer
> + * @V4L2_FWNODE_BUS_TYPE_PARALLEL: Camera Parallel Interface bus
> + * @V4L2_FWNODE_BUS_TYPE_BT656: BT656 video format bus-type
> + * @NR_OF_V4L2_FWNODE_BUS_TYPE: Number of bus-types
> + */
> +enum v4l2_fwnode_bus_type {
> +       V4L2_FWNODE_BUS_TYPE_GUESS = 0,
> +       V4L2_FWNODE_BUS_TYPE_CSI2_CPHY,
> +       V4L2_FWNODE_BUS_TYPE_CSI1,
> +       V4L2_FWNODE_BUS_TYPE_CCP2,
> +       V4L2_FWNODE_BUS_TYPE_CSI2_DPHY,
> +       V4L2_FWNODE_BUS_TYPE_PARALLEL,
> +       V4L2_FWNODE_BUS_TYPE_BT656,

> +       NR_OF_V4L2_FWNODE_BUS_TYPE,

I see that comma is in the original line, but I think it's a good time
to remove it from this line. Since it's a terminator line we might
prevent potential issues during review (by a different diff look) and
at compile time (if anything comes after it).

> +};
> +
>  /**
>   * v4l2_fwnode_endpoint_parse() - parse all fwnode node properties
>   * @fwnode: pointer to the endpoint's fwnode handle
> --
> 2.25.1
>


-- 
With Best Regards,
Andy Shevchenko