On Thursday 30 May 2013, Grant Likely wrote: > On Thu, May 30, 2013 at 2:10 PM, Arnd Bergmann <a...@arndb.de> wrote: > > On Thursday 30 May 2013, Grant Likely wrote:
> > Right, so we clearly need it. I also though of a second case, which > > is that the xlate() function might itself return -EPROBE_DEFER in > > the case that the irqchip driver is registered but e.g. not the > > parent of a cascaded irqchip. > > That shouldn't happen. If the parent isn't registered, then how can > the child set itself up? I guess it can just register the domain, but as long as no irqs are needed, it doesn't have to set up a chained handler. I don't think any irqchip driver today does it that way, but I think there is nothing stopping us from doing a driver that does. Arnd _______________________________________________ devicetree-discuss mailing list devicetree-discuss@lists.ozlabs.org https://lists.ozlabs.org/listinfo/devicetree-discuss