Re: [PATCH v16 01/14] counter: stm32-lptimer-cnt: Provide defines for clock polarities

From: Jonathan Cameron
Date: Wed Sep 08 2021 - 13:27:50 EST


On Tue, 31 Aug 2021 15:38:50 +0200
Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx> wrote:

> On 8/27/21 5:47 AM, William Breathitt Gray wrote:
> > The STM32 low-power timer permits configuration of the clock polarity
> > via the LPTIMX_CFGR register CKPOL bits. This patch provides
> > preprocessor defines for the supported clock polarities.
> >
> > Cc: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
> > Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
> > ---
> > drivers/counter/stm32-lptimer-cnt.c | 6 +++---
> > include/linux/mfd/stm32-lptimer.h | 5 +++++
> > 2 files changed, 8 insertions(+), 3 deletions(-)
>
> Hi William,
>
> You can add my:
> Reviewed-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
Applied to the togreg branch of iio.git and push out as testing for all the normal reasons

>
> Thanks,
> Fabrice
>
> >
> > diff --git a/drivers/counter/stm32-lptimer-cnt.c b/drivers/counter/stm32-lptimer-cnt.c
> > index 13656957c45f..7367f46c6f91 100644
> > --- a/drivers/counter/stm32-lptimer-cnt.c
> > +++ b/drivers/counter/stm32-lptimer-cnt.c
> > @@ -140,9 +140,9 @@ static const enum counter_function stm32_lptim_cnt_functions[] = {
> > };
> >
> > enum stm32_lptim_synapse_action {
> > - STM32_LPTIM_SYNAPSE_ACTION_RISING_EDGE,
> > - STM32_LPTIM_SYNAPSE_ACTION_FALLING_EDGE,
> > - STM32_LPTIM_SYNAPSE_ACTION_BOTH_EDGES,
> > + STM32_LPTIM_SYNAPSE_ACTION_RISING_EDGE = STM32_LPTIM_CKPOL_RISING_EDGE,
> > + STM32_LPTIM_SYNAPSE_ACTION_FALLING_EDGE = STM32_LPTIM_CKPOL_FALLING_EDGE,
> > + STM32_LPTIM_SYNAPSE_ACTION_BOTH_EDGES = STM32_LPTIM_CKPOL_BOTH_EDGES,
> > STM32_LPTIM_SYNAPSE_ACTION_NONE,
> > };
> >
> > diff --git a/include/linux/mfd/stm32-lptimer.h b/include/linux/mfd/stm32-lptimer.h
> > index 90b20550c1c8..06d3f11dc3c9 100644
> > --- a/include/linux/mfd/stm32-lptimer.h
> > +++ b/include/linux/mfd/stm32-lptimer.h
> > @@ -45,6 +45,11 @@
> > #define STM32_LPTIM_PRESC GENMASK(11, 9)
> > #define STM32_LPTIM_CKPOL GENMASK(2, 1)
> >
> > +/* STM32_LPTIM_CKPOL */
> > +#define STM32_LPTIM_CKPOL_RISING_EDGE 0
> > +#define STM32_LPTIM_CKPOL_FALLING_EDGE 1
> > +#define STM32_LPTIM_CKPOL_BOTH_EDGES 2
> > +
> > /* STM32_LPTIM_ARR */
> > #define STM32_LPTIM_MAX_ARR 0xFFFF
> >
> >