Messages in this thread | | | Date | Mon, 8 Feb 2016 16:59:12 +0000 | From | Mark Brown <> | Subject | Re: [PATCH V4 1/6] regmap: irq: add apis to unmap the mapped irq |
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On Mon, Feb 08, 2016 at 10:08:28PM +0530, Laxman Dewangan wrote: > On Monday 08 February 2016 08:25 PM, Mark Brown wrote: > >On Sat, Feb 06, 2016 at 08:07:22PM +0530, Laxman Dewangan wrote:
> >>Before removing irq domains, it is require to unmap all > >>mapped interrupt from that domain. Currently there is API > >>to map the interrupt on chip as regmap_irq_get_virq() for > >>creating mapping. Add equivalent API to dispose the mapped > >>irq in irq domains.
> >This makes no sense to me. Why would you ever want to unmap the > >interrupts separately to destroying the domain
> This is the requirement from irq_domain_remove(). This is what we have in > irq_domain_remove(): > kernel/irq/irqdomain.c
> I am adding the API equivalent to regmap_irq_get_virq() to unmap virtual irq > here.
This does not explain why anyone would ever want to use this interface (which was my question), why would anyone ever want to do this as a separate step?
> >and why would you ever > >want to destroy the domain without unmapping the interrupts?
> That's exactlly we are trying to do, unmap interrupt in client level before > destroying domain.
Again, why would any client ever want to skip this step? [unhandled content-type:application/pgp-signature] | |