Re: [PATCH v2 2/4] pinctrl: st: Add software edge trigger interruptsupport.

From: Lee Jones
Date: Fri Jan 24 2014 - 03:29:14 EST



> > +/*
> > + * As edge triggers are not supported at hardware level, it is supported by
> > + * software by exploiting the level trigger support in hardware.
>
> (...)
>
> All this is quite hard to understand. Maybe it's just because
> it's hard overall. Edge triggers are not supported by hardware
> so we use the hardware edge trigger support?
>
> That is a bit oxymoronic...

That's not what is says. Read it again. :)

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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