[PATCH v2 2/4] pinctrl: st: Add software edge trigger interrupt support.

Lee Jones lee.jones at linaro.org
Fri Jan 24 03:28:59 EST 2014


> > +/*
> > + * 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 │ Open source software for ARM SoCs
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