Re: [PATCH v3 0/7] V4L2 fwnode support

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On 10/04/17 15:02, Sakari Ailus wrote:
> Hello everyone,
> 
> This patchset adds support for fwnode to V4L2. Besides OF, also ACPI based
> systems can be supported this way. By using V4L2 fwnode, the individual
> drivers do not need to be aware of the underlying firmware implementation.
> The patchset also removes specific V4L2 OF support and converts the
> affected drivers to use V4L2 fwnode.

Successfully tested with my Atmel sama5d3 board + ov2640 sensor.

Tested-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>

Regards,

	Hans

> 
> The patchset depends on another patchset here:
> 
> <URL:http://www.spinics.net/lists/linux-acpi/msg72973.html> 
> 
> A git tree with the dependencies can be found here:
> 
> <URL:https://git.linuxtv.org/sailus/media_tree.git/log/?h=v4l2-acpi-merge>
> 
> v1 of the set can be found here:
> 
> <URL:http://www.spinics.net/lists/linux-media/msg111073.html> 
> 
> and v2 here:
> 
> <URL:http://www.spinics.net/lists/linux-media/msg114110.html>
> 
> changes since v2:
> 
> - Use EXPORT_SYMBOL_GPL() instead of EXPORT_SYMBOL().
> 
> - Alphabetically order the topics under V4L2 core kAPI documentation.
> 
> - Prefer "fwnode" variable name for struct fwnode_handle pointers instead
>   of "fwn". Similarly, use "vep" for struct v4l2_fwnode_endpoint instead
>   of "vfwn".
> 
> - Convert existing users of OF matching to fwnode matching.
> 
> - Remove OF matching support as well as compatibility between OF and
>   fwnode matching.
> 
> - Use of_node_cmp() to determine whether two nodes match in case both of
>   them are OF nodes. There is thus no functional difference between
>   existing OF matching in v1.
> 
> - Continue to use struct device_node.full_name on fwnodes that are known
>   to be OF nodes instead of omitting such debug information. Drivers that
>   can actually use fwnode need a new interface to provide this in fwnode
>   framework. This is out of scope of the patchset.
> 
> - Remove linux/of.h header inclusion in
>   drivers/media/v4l2-core/v4l2-flash-led-class.c.
> 
> - Improved line wrapping primarily in
>   drivers/media/v4l2-core/v4l2-fwnode.c.
> 
> - Rewrap KernelDoc documentation for V4L2 fwnode API up to 80 characters
>   per line (new patch).
> 
> - Fix KernelDoc documentation, there were a few locations where the
>   argument had been changed but the documentation was not updated
>   accordingly. 
> 
> - Fix punctuation and wording in V4L2 fwnode documentation.
> 
> - Drop patch "v4l: media/drv-intf/soc_mediabus.h: include dependent header
>   file". It is no longer needed.
> 
> - Fix obtaining port parent in v4l2_fwnode_parse_link() on ACPI.
> 
> - Include newly OF-supported atmel-isi to V4L2 OF -> fwnode conversion.
> 
> - Add that the v4l2-fwnode.c has origins in v4l2-of.c to the commit
>   message and the file header.
> 
> changes since v1:
> 
> - Use existing dev_fwnode() instead of device_fwnode_handle() added by the
>   ACPI graph patchset,
> 
> - Fix too long line of ^'s in ReST documentation and
> 
> - Drop the patch rearranging the header files. It'd better go in
>   separately, if at all.
> 
> Sakari Ailus (7):
>   v4l: fwnode: Support generic fwnode for parsing standardised
>     properties
>   v4l: async: Add fwnode match support
>   v4l: flash led class: Use fwnode_handle instead of device_node in init
>   v4l: Switch from V4L2 OF not V4L2 fwnode API
>   docs-rst: media: Sort topic list alphabetically
>   docs-rst: media: Switch documentation to V4L2 fwnode API
>   v4l: Remove V4L2 OF framework in favour of V4L2 fwnode framework
> 
>  Documentation/media/kapi/v4l2-core.rst         |  20 +-
>  Documentation/media/kapi/v4l2-fwnode.rst       |   3 +
>  Documentation/media/kapi/v4l2-of.rst           |   3 -
>  drivers/leds/leds-aat1290.c                    |   5 +-
>  drivers/leds/leds-max77693.c                   |   5 +-
>  drivers/media/i2c/Kconfig                      |   9 +
>  drivers/media/i2c/adv7604.c                    |   7 +-
>  drivers/media/i2c/mt9v032.c                    |   7 +-
>  drivers/media/i2c/ov2659.c                     |   8 +-
>  drivers/media/i2c/s5c73m3/s5c73m3-core.c       |   7 +-
>  drivers/media/i2c/s5k5baf.c                    |   6 +-
>  drivers/media/i2c/smiapp/Kconfig               |   1 +
>  drivers/media/i2c/smiapp/smiapp-core.c         |  29 ++-
>  drivers/media/i2c/tc358743.c                   |  11 +-
>  drivers/media/i2c/tvp514x.c                    |   6 +-
>  drivers/media/i2c/tvp5150.c                    |   7 +-
>  drivers/media/i2c/tvp7002.c                    |   6 +-
>  drivers/media/platform/Kconfig                 |   3 +
>  drivers/media/platform/am437x/Kconfig          |   1 +
>  drivers/media/platform/am437x/am437x-vpfe.c    |  15 +-
>  drivers/media/platform/atmel/Kconfig           |   1 +
>  drivers/media/platform/atmel/atmel-isc.c       |  13 +-
>  drivers/media/platform/exynos4-is/Kconfig      |   2 +
>  drivers/media/platform/exynos4-is/media-dev.c  |  13 +-
>  drivers/media/platform/exynos4-is/mipi-csis.c  |   6 +-
>  drivers/media/platform/omap3isp/isp.c          |  49 ++--
>  drivers/media/platform/pxa_camera.c            |  11 +-
>  drivers/media/platform/rcar-vin/Kconfig        |   1 +
>  drivers/media/platform/rcar-vin/rcar-core.c    |  23 +-
>  drivers/media/platform/soc_camera/Kconfig      |   1 +
>  drivers/media/platform/soc_camera/atmel-isi.c  |   7 +-
>  drivers/media/platform/soc_camera/soc_camera.c |   7 +-
>  drivers/media/platform/ti-vpe/cal.c            |  15 +-
>  drivers/media/platform/xilinx/Kconfig          |   1 +
>  drivers/media/platform/xilinx/xilinx-vipp.c    |  63 +++--
>  drivers/media/v4l2-core/Kconfig                |   3 +
>  drivers/media/v4l2-core/Makefile               |   4 +-
>  drivers/media/v4l2-core/v4l2-async.c           |  21 +-
>  drivers/media/v4l2-core/v4l2-flash-led-class.c |  12 +-
>  drivers/media/v4l2-core/v4l2-fwnode.c          | 342 +++++++++++++++++++++++++
>  drivers/media/v4l2-core/v4l2-of.c              | 327 -----------------------
>  include/media/v4l2-async.h                     |   8 +-
>  include/media/v4l2-flash-led-class.h           |   4 +-
>  include/media/v4l2-fwnode.h                    | 104 ++++++++
>  include/media/v4l2-of.h                        | 128 ---------
>  include/media/v4l2-subdev.h                    |   3 +
>  46 files changed, 690 insertions(+), 638 deletions(-)
>  create mode 100644 Documentation/media/kapi/v4l2-fwnode.rst
>  delete mode 100644 Documentation/media/kapi/v4l2-of.rst
>  create mode 100644 drivers/media/v4l2-core/v4l2-fwnode.c
>  delete mode 100644 drivers/media/v4l2-core/v4l2-of.c
>  create mode 100644 include/media/v4l2-fwnode.h
>  delete mode 100644 include/media/v4l2-of.h
> 

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