On Mon, Feb 8, 2021 at 2:53 PM Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> wrote: > Add simple IRQ or GPIO base event counter. This device is used to measure > rotation speed of some agricultural devices, so no high frequency on the > counter pin is expected. > > The maximal measurement frequency depends on the CPU and system load. On > the idle iMX6S I was able to measure up to 20kHz without count drops. > > Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> > Reviewed-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> >From GPIO and interrupt point of view this driver looks good to me. I don't know about the userspace interface etc. Yours, Linus Walleij
