Hi Hans
On Wed, 18 May 2022 at 10:00, Hans Verkuil <hverkuil-cisco@xxxxxxxxx> wrote:
>
> This is a very old driver for very old hardware and it is one of
> the very few remaining that does not use the vb2 framework (or
> even the older videobuf framework), so deprecate this driver
> and move it to staging with the intent to removing it altogether
> by the end of 2022.
>
> If someone wants to keep this driver, then it has to be converted
> to use vb2.
Would it make sense to change the name of the Kconfig name?
That way the users would have to actively do something to keep using
the driver during the depreciation process.
Otherwise there is the risk that the deprecation is unnoticed, and
when we remove the driver it would be too late?
>
> Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> ---
> drivers/media/usb/Kconfig | 1 -
> drivers/media/usb/Makefile | 1 -
> drivers/staging/media/Kconfig | 12 +++++++-----
> drivers/staging/media/Makefile | 1 +
> .../{media/usb => staging/media}/stkwebcam/Kconfig | 0
> .../{media/usb => staging/media}/stkwebcam/Makefile | 0
> drivers/staging/media/stkwebcam/TODO | 12 ++++++++++++
> .../usb => staging/media}/stkwebcam/stk-sensor.c | 0
> .../usb => staging/media}/stkwebcam/stk-webcam.c | 0
> .../usb => staging/media}/stkwebcam/stk-webcam.h | 0
> 10 files changed, 20 insertions(+), 7 deletions(-)
> rename drivers/{media/usb => staging/media}/stkwebcam/Kconfig (100%)
> rename drivers/{media/usb => staging/media}/stkwebcam/Makefile (100%)
> create mode 100644 drivers/staging/media/stkwebcam/TODO
> rename drivers/{media/usb => staging/media}/stkwebcam/stk-sensor.c (100%)
> rename drivers/{media/usb => staging/media}/stkwebcam/stk-webcam.c (100%)
> rename drivers/{media/usb => staging/media}/stkwebcam/stk-webcam.h (100%)
>
> diff --git a/drivers/media/usb/Kconfig b/drivers/media/usb/Kconfig
> index 8de08704f8e4..af88e0766388 100644
> --- a/drivers/media/usb/Kconfig
> +++ b/drivers/media/usb/Kconfig
> @@ -17,7 +17,6 @@ source "drivers/media/usb/cpia2/Kconfig"
> source "drivers/media/usb/gspca/Kconfig"
> source "drivers/media/usb/pwc/Kconfig"
> source "drivers/media/usb/s2255/Kconfig"
> -source "drivers/media/usb/stkwebcam/Kconfig"
> source "drivers/media/usb/usbtv/Kconfig"
> source "drivers/media/usb/uvc/Kconfig"
> source "drivers/media/usb/zr364xx/Kconfig"
> diff --git a/drivers/media/usb/Makefile b/drivers/media/usb/Makefile
> index 044bd46c799c..25fa2015b179 100644
> --- a/drivers/media/usb/Makefile
> +++ b/drivers/media/usb/Makefile
> @@ -10,7 +10,6 @@ obj-y += dvb-usb/
> obj-y += dvb-usb-v2/
> obj-y += s2255/
> obj-y += siano/
> -obj-y += stkwebcam/
> obj-y += ttusb-budget/
> obj-y += ttusb-dec/
> obj-y += zr364xx/
> diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
> index 1fd6a0c6e1d8..421ce9dbf44c 100644
> --- a/drivers/staging/media/Kconfig
> +++ b/drivers/staging/media/Kconfig
> @@ -22,10 +22,14 @@ if STAGING_MEDIA && MEDIA_SUPPORT
> # Please keep them in alphabetic order
> source "drivers/staging/media/atomisp/Kconfig"
>
> +source "drivers/staging/media/av7110/Kconfig"
> +
> source "drivers/staging/media/hantro/Kconfig"
>
> source "drivers/staging/media/imx/Kconfig"
>
> +source "drivers/staging/media/ipu3/Kconfig"
> +
> source "drivers/staging/media/max96712/Kconfig"
>
> source "drivers/staging/media/meson/vdec/Kconfig"
> @@ -34,14 +38,12 @@ source "drivers/staging/media/omap4iss/Kconfig"
>
> source "drivers/staging/media/rkvdec/Kconfig"
>
> -source "drivers/staging/media/sunxi/Kconfig"
> +source "drivers/staging/media/stkwebcam/Kconfig"
>
> -source "drivers/staging/media/zoran/Kconfig"
> +source "drivers/staging/media/sunxi/Kconfig"
>
> source "drivers/staging/media/tegra-video/Kconfig"
>
> -source "drivers/staging/media/ipu3/Kconfig"
> -
> -source "drivers/staging/media/av7110/Kconfig"
> +source "drivers/staging/media/zoran/Kconfig"
>
> endif
> diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
> index 66d6f6d51c86..59eddc857184 100644
> --- a/drivers/staging/media/Makefile
> +++ b/drivers/staging/media/Makefile
> @@ -5,6 +5,7 @@ obj-$(CONFIG_VIDEO_MAX96712) += max96712/
> obj-$(CONFIG_VIDEO_MESON_VDEC) += meson/vdec/
> obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/
> obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC) += rkvdec/
> +obj-$(CONFIG_USB_STKWEBCAM) += stkwebcam/
> obj-$(CONFIG_VIDEO_SUNXI) += sunxi/
> obj-$(CONFIG_VIDEO_TEGRA) += tegra-video/
> obj-$(CONFIG_VIDEO_HANTRO) += hantro/
> diff --git a/drivers/media/usb/stkwebcam/Kconfig b/drivers/staging/media/stkwebcam/Kconfig
> similarity index 100%
> rename from drivers/media/usb/stkwebcam/Kconfig
> rename to drivers/staging/media/stkwebcam/Kconfig
> diff --git a/drivers/media/usb/stkwebcam/Makefile b/drivers/staging/media/stkwebcam/Makefile
> similarity index 100%
> rename from drivers/media/usb/stkwebcam/Makefile
> rename to drivers/staging/media/stkwebcam/Makefile
> diff --git a/drivers/staging/media/stkwebcam/TODO b/drivers/staging/media/stkwebcam/TODO
> new file mode 100644
> index 000000000000..735304a72729
> --- /dev/null
> +++ b/drivers/staging/media/stkwebcam/TODO
> @@ -0,0 +1,12 @@
> +This is a very old driver for very old hardware (specifically
> +laptops that use this sensor). In addition according to reports
> +the picture quality is quite bad.
> +
> +This is also one of the few drivers still not using the vb2
> +framework (or even the old videobuf framework!), so this driver
> +is now deprecated with the intent of removing it altogether by
> +the end of 2022.
> +
> +In order to keep this driver it has to be converted to vb2.
> +If someone is interested in doing this work, then contact the
> +linux-media mailinglist (https://linuxtv.org/lists.php).
> diff --git a/drivers/media/usb/stkwebcam/stk-sensor.c b/drivers/staging/media/stkwebcam/stk-sensor.c
> similarity index 100%
> rename from drivers/media/usb/stkwebcam/stk-sensor.c
> rename to drivers/staging/media/stkwebcam/stk-sensor.c
> diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/staging/media/stkwebcam/stk-webcam.c
> similarity index 100%
> rename from drivers/media/usb/stkwebcam/stk-webcam.c
> rename to drivers/staging/media/stkwebcam/stk-webcam.c
> diff --git a/drivers/media/usb/stkwebcam/stk-webcam.h b/drivers/staging/media/stkwebcam/stk-webcam.h
> similarity index 100%
> rename from drivers/media/usb/stkwebcam/stk-webcam.h
> rename to drivers/staging/media/stkwebcam/stk-webcam.h
> --
> 2.34.1
>
--
Ricardo Ribalda
