[PATCH v4 0/4] iio: adc: at91: misc driver cleanups

This whole thing started because the lkp bot haunted me for a while with
this build warning:

quoted

drivers/iio/adc/at91_adc.c:1439:34: warning: unused variable
'at91_adc_dt_ids' [-Wunused-const-variable]

   static const struct of_device_id at91_adc_dt_ids[] = {
                                    ^
   1 warning generated.

The fix may likely be patch 'iio: adc: at91_adc: add Kconfig dependency
on the OF symbol'; was pointed out by Jonathan.

Changelog v3 -> v4:
- https://lore.kernel.org/linux-iio/20200930125216.90424-1-alexandru.ardelean@analog.com/T/#t (local)
- for patch: 'iio: adc: at91_adc: remove platform data and move defs in driver file'
   * updated/cleand up commit description
   * remove redundant pdata erorr message
   * return error code from at91_adc_probe_dt()
   * remove 'if (!node)' null check in at91_adc_probe_dt()
- added 'Reviewed-by: Alexandre Belloni [off-list ref]'
  for patch: 'iio: adc: at91_adc: add Kconfig dep on the OF symbol and remove of_match_ptr()'

Changelog v2 -> v3:
- https://lore.kernel.org/linux-iio/20200930060008.42134-1-alexandru.ardelean@analog.com/T/#t (local)
- added 'Reviewed-by: Alexandre Belloni [off-list ref]'
  for patches:
     iio: adc: at91_adc: use of_device_get_match_data() helper
     iio: adc: at91_adc: const-ify some driver data
- fixed description for patch 'iio: adc: at91_adc: add Kconfig dependency on the OF symbol'
- squash patches:
     iio: adc: at91_adc: add Kconfig dependency on the OF symbol
     iio: adc: at91_adc: remove of_match_ptr() usage
- added patch: 'iio: adc: at91_adc: remove platform data and move defs in driver file'

Changelog v1 -> v2:
- https://lore.kernel.org/linux-iio/CA+U=Dspd11N-pXXnnY_5CSzNp50iRr7h16zXTCxo8Fk+v48F7g@mail.gmail.com/T/#m7c0efef4dc623776fe8bafdb5f734b0eaca50f82 (local)
- for patch 'iio: adc: at91_adc: use of_device_get_match_data() helper'
  changed description; it's just tidy-up patch, not a fix
- added 2 more patches:
  - iio: adc: at91_adc: add Kconfig dependency on the OF symbol
  - iio: adc: at91_adc: remove of_match_ptr() usage

Alexandru Ardelean (4):
  iio: adc: at91_adc: use of_device_get_match_data() helper
  iio: adc: at91_adc: const-ify some driver data
  iio: adc: at91_adc: add Kconfig dep on the OF symbol and remove
    of_match_ptr()
  iio: adc: at91_adc: remove platform data and move defs in driver file

 drivers/iio/adc/Kconfig                |  2 +-
 drivers/iio/adc/at91_adc.c             | 73 ++++++++++----------------
 include/linux/platform_data/at91_adc.h | 49 -----------------
 3 files changed, 28 insertions(+), 96 deletions(-)
 delete mode 100644 include/linux/platform_data/at91_adc.h

-- 
2.17.1


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