On Fri, Feb 12, 2021 at 10:26:39AM +0100, Linus Walleij wrote: > 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. May I have your Reviewed-by? -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
