* Mark Brown <broo...@kernel.org> [170404 05:22]: > On Mon, Apr 03, 2017 at 08:03:00PM -0700, Tony Lindgren wrote: > > > So I'll drop the genirq/regmap_irq related hacks and resend just > > the minimal MFD fixes. Similar misconfiguration may be the root > > cause for other drivers too.. > > It is sadly far too common for people to implement interrupt controllers > that only do edge triggers, I've no idea why even on what are supposed > to be relatively high end SoCs. It seems to be a hardware designer > thing, AFAICT they think for something to be useful it needs to be a bit > more complicated.
For edge only GPIO controllers handling level interrupts might be somewhat fixable in software. The GPIO controller could have a loop reading of the GPIO line status in the interrupt handler and comparing it to the configured triggering. Regards, Tony
