Messages in this thread | | | Date | Mon, 16 Apr 2018 13:25:19 +0100 | From | Lee Jones <> | Subject | Re: [PATCH v3 5/6] pwm: stm32: use input prescaler to improve period capture |
| |
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@st.com> > Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> > Acked-by: Thierry Reding <thierry.reding@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@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 Follow Linaro: Facebook | Twitter | Blog
| |