Messages in this thread | | | Subject | Re: Fwd: [RFC] IRQ type flags | From | Alan Cox <> | Date | Mon, 07 Nov 2005 00:03:22 +0000 |
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On Sul, 2005-11-06 at 22:42 +0000, Russell King wrote: > We could do as you suggest, but my concern would be adding extra > complexity to drivers, causing them to do something like: > > ret = request_irq(..., SA_TRIGGER_HIGH, ...); > if (ret == -E<whatever>) > ret = request_irq(..., SA_TRIGGER_RISING, ...); > > The alternative is: > > ret = request_irq(..., SA_TRIGGER_HIGH | SA_TRIGGER_RISING, ...);
I was thinking that specifying neither would imply 'don't care' or 'system default'. That would mean existing drivers just worked and driver authors who didnt care need take no specific action.
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