[PATCH v3 5/6] pwm: stm32: use input prescaler to improve period capture

[Lee Jones]

On Fri, 30 Mar 2018, Fabrice Gasnier wrote:

> Using input prescaler, capture unit will trigger DMA once every
> configurable /2, /4 or /8 events (rising edge). This helps improve
> period (only) capture accuracy at high rates.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier at st.com>
> Reviewed-by: Benjamin Gaignard <benjamin.gaignard at linaro.org>
> Acked-by: Thierry Reding <thierry.reding at gmail.com>
> ---
> Changes in v2:
> - Adopt DMA read from MFD core.
> ---
>  drivers/pwm/pwm-stm32.c          | 63 ++++++++++++++++++++++++++++++++++++++--
>  include/linux/mfd/stm32-timers.h |  1 +

For my own reference:
  Acked-for-MFD-by: Lee Jones <lee.jones at linaro.org>

>  2 files changed, 62 insertions(+), 2 deletions(-)

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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