[PATCH] counter: stm32-lptimer-cnt: remove iio counter abi

[William Breathitt Gray]

On Fri, Jan 22, 2021 at 04:03:23PM +0100, Fabrice Gasnier wrote:
> Currently, the STM32 LP Timer counter driver registers into both IIO and
> counter subsystems, which is redundant.
> 
> Remove the IIO counter ABI and IIO registration from the STM32 LP Timer
> counter driver since it's been superseded by the Counter subsystem
> as discussed in [1].
> 
> Keep only the counter subsystem related part.
> Move a part of the ABI documentation into a driver comment.
> 
> This also removes a duplicate ABI warning
> $ scripts/get_abi.pl validate
> ...
> /sys/bus/iio/devices/iio:deviceX/in_count0_preset is defined 2 times:
>   ./Documentation/ABI/testing/sysfs-bus-iio-timer-stm32:100
>   ./Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32:0
> 
> [1] https://lkml.org/lkml/2021/1/19/347
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier at foss.st.com>
> ---
>  .../ABI/testing/sysfs-bus-iio-lptimer-stm32        |  62 -----
>  drivers/counter/stm32-lptimer-cnt.c                | 297 +++------------------
>  2 files changed, 36 insertions(+), 323 deletions(-)
>  delete mode 100644 Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32

Hi Fabrice,

I noticed this is missing a Kconfig change to remove the IIO dependency
from the STM32_LPTIMER_CNT config option. I assume that dependency is no
longer necessary with the IIO code is removed.

William Breathitt Gray
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