Re: [PATCH 0/2] Add Updown Counter support for Milbeaut M10V SoC

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Hi Jonathan,

On 2019/03/31 3:36, Jonathan Cameron wrote:
On Tue, 26 Mar 2019 15:32:34 +0900
Shinji Kanematsu <kanematsu.shinji@xxxxxxxxxxxxx> wrote:

This is a series of patch which adds Updown Counter support on
Milbeaut M10V SoC.

The Updown Counter counts input pulse signal from external quadrature encoder.
It also has input pulse signal counter function.
Hi Shinji,

Are you aware of the counter subsystem that has been proposed (and
as far as I am concerned is ready to be merged)?

https://patchwork.kernel.org/project/linux-iio/list/?series=147
(I think that's the latest version posted)..
William, perhaps you could give an update?

(bad luck, you are getting popular ;)

I'll take a quick review as it stands, as some issues may carry over.
I appreciate that it's always unfortunate to try to upstream stuff at the
same time as a new framework is being developed / upstreamed, but I don't
intend to take any additional counter drivers into IIO.  We just
end up having to maintain old interfaces in more and more drivers.


Thank you for your reply.
I just learned that upstream requires the counter subsystem.
Detailed information was given by William.

Thank you,
Kanematsu

Thanks,

Jonathan


Shinji Kanematsu (2):
   dt-bindings: iio: counter: Add Milbeaut Updown Counter
   iio: counter: Add support for Milbeaut Updown Counter

  .../bindings/iio/counter/milbeaut-updown_cnt.txt   |  22 ++
  drivers/iio/counter/Kconfig                        |  12 +
  drivers/iio/counter/Makefile                       |   1 +
  drivers/iio/counter/milbeaut-updown.h              |  38 ++
  drivers/iio/counter/milbeaut-updown_cnt.c          | 385 +++++++++++++++++++++
  5 files changed, 458 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt
  create mode 100644 drivers/iio/counter/milbeaut-updown.h
  create mode 100644 drivers/iio/counter/milbeaut-updown_cnt.c






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