>> More generally, the target interrupt descriptors (sense values, in >> particular) in a device tree interrupt map describe the interrupts as >> seen on the target interrupt controller, *not* as seen on this >> (source) >> interrupt domain. This should be obvious, but since the source >> interrupt >> descriptor for PCI doesn't have a sense value (it's always level low, >> after all), it can be confusing. Well, interrupts always are >> confusing >> :-) > > Sure. But if your stupid bridge sticks a not gate between the PIRQ > input > and the UIC (interrupt controller), effectively, the UIC sees a > reversed > polarity. Thus you need to put in your interrupt map a reversed > polarity > information for the UIC interrupt specifiers.
That's what I said, isn't it? :-) Segher _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
