Re: [PATCH 00/18 V2] staging:iio:accel rework driver and move out of staging.

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On 10/15/2016 05:17 PM, Jonathan Cameron wrote:
> *Smiles sweetly at the list*
> 
> Go on, someone give me a review on these.

Looks good, otherwise I'd complained ;)

Reviewed-by: Lars-Peter Clausen <lars@xxxxxxxxxx>

> 
> Thanks,
> 
> Jonathan
> 
> On 08/10/16 17:39, Jonathan Cameron wrote:
>> Changes since V1:
>> - Fix the patch that breaks the makefile due to a := when it should be +=
>>   It didn't make it to the end of the set, but broke building of other drivers
>>   in the middle (thanks Lars-Peter Clausen)
>> - Drop the unwanted buffer setup after the move to the hybrid hardware /
>>   software buffer (Lars-Peter Clausen)
>> - Use chan->address rather than the modifier to index the address array.
>>   (Lars-Peter Clausen)
>> - Typo and gibberish fixups (Peter Meerwald-Stadhler)
>>
>> V1 Message
>>
>> This was around about the 4th IIO driver dating back to the days when I was
>> sticking these on sprinters and seeing if we could learn anything useful
>> about how they ran.
>>
>> It was a device way ahead of it's time.  Back then this was pretty much
>> the only relatively high G / low cost sensor and it had a hardware fifo.
>>
>> Anyhow, it has languished in staging primarily because of the complexity
>> around working out how we handle hardware buffers.  However, that trail has
>> long since been blaized by the likes of the am335x driver and now lots of
>> of newer devices are coming with fifos to smooth the flow of data between
>> these realtime chips and non realtime operating sytems, so it just became
>> a question of getting around to sorting it out.  I suspect there are very
>> few of these still out there, but I have an sca3000-e05 so that's no excuse 
>>
>> Anyhow, please review the whole series, but in particular the final move
>> patch (i.e. the resulting code).  The only odd corner I know of now is
>> the interaction of the watermark with the software controlled watermarks.
>> That may take some thought, but in the meantime I don't think that is
>> sufficient reason to keep it in staging.
>>
>> Some wacky corners in this hardware (like the crazy number representations
>> for the motion detection thresholds).  It's a good datasheet but you
>> do have to wonder what the designers were thinking at times 
>>
>> Jonathan
>>
>> p.s. The best bit about this series is now I can moan at everyone else
>> about not cleaning up their staging drivers as this is the last one
>> of mine. 
>>
>> Jonathan Cameron (18):
>>   staging:iio:accel:sca3000 Fix a use before setting of the
>>     indio_dev->buffer pointer.
>>   staging:iio:accel:sca3000 merge files into one.
>>   staging:iio:accel:sca3000 drop sca3000_register_ring_funcs
>>   staging:iio:accel:sca3000 Fix clearing of flag + setting of size of
>>     scan.
>>   staging:iio:accel:sca3000 Drop custom ABI for watersheds.
>>   staging:iio:accel:sca3000 move to hybrid hard / soft buffer design.
>>   staging:iio:accel:sca3000 drop some unused variables.
>>   staging:iio:accel:sca3000 use a 'fake' channel to handle freefall
>>     event registration.
>>   staging:iio:accel:sca3000 Clean up register defines.
>>   staging:iio:accel:sca3000 add readback of the 3db low pass filter
>>     frequency
>>   staging:iio:accel:sca3000: Fix off by one error in axis due to
>>     IIO_NO_MOD
>>   staging:iio:accel:sca3000 Add write support to the low pass filter
>>     control
>>   staging:iio:accel:sca3000 Drop custom measurement mode attributes
>>   staging:iio:accel:sca3000 replace non standard revision attr with
>>     dev_info on probe
>>   staging:iio:accel:sca3000 Tidy up probe order to avoid a race.
>>   staging:iio:accel:sca3000 small checkpatch fixes (alignment etc)
>>   staging:iio:accel:sca3000 kernel docify comments that were nearly
>>     kernel doc.
>>   staging:iio:accel:sca3000 Move out of staging.
>>
>>  drivers/iio/accel/Kconfig                |   12 +
>>  drivers/iio/accel/Makefile               |    2 +
>>  drivers/iio/accel/sca3000.c              | 1575 ++++++++++++++++++++++++++++++
>>  drivers/staging/iio/accel/Kconfig        |   10 -
>>  drivers/staging/iio/accel/Makefile       |    3 -
>>  drivers/staging/iio/accel/sca3000.h      |  279 ------
>>  drivers/staging/iio/accel/sca3000_core.c | 1210 -----------------------
>>  drivers/staging/iio/accel/sca3000_ring.c |  350 -------
>>  drivers/staging/iio/ring_hw.h            |   27 -
>>  9 files changed, 1589 insertions(+), 1879 deletions(-)
>>  create mode 100644 drivers/iio/accel/sca3000.c
>>  delete mode 100644 drivers/staging/iio/accel/sca3000.h
>>  delete mode 100644 drivers/staging/iio/accel/sca3000_core.c
>>  delete mode 100644 drivers/staging/iio/accel/sca3000_ring.c
>>  delete mode 100644 drivers/staging/iio/ring_hw.h
>>
> 

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