On Tue, 2018-04-10 at 07:16:10 UTC, Benjamin Herrenschmidt wrote: > For (bad) historical reasons, OPAL used to create a non-standard pair of > properties "opal-interrupts" and "opal-interrupts-names" for representing > the list of interrupts it wants Linux to request on its behalf. > > Among other issues, the opal-interrupts doesn't have a way to carry the > type of interrupts, and they were assumed to be all level sensitive. > > This is wrong on some recent systems where some of them are edge sensitive > causing warnings in the XIVE code and possible misbehaviours if they need > to be retriggered (typically the NPU2 TCE error interrupts). > > This makes Linux switch to using the standard "interrupts" and > "interrupt-names" properties instead when they are available, using standard > of_irq helpers, which can carry all the desired type information. > > Newer versions of OPAL will generate those properties in addition to the > legacy ones. > > Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/77b5f703dcc859915f0f20d92bc538 cheers
