On Sat, 2007-12-01 at 12:28 -0600, Olof Johansson wrote: > Some PWRficient-based boards have a NMI button that's wired up to a GPIO > as interrupt source. By configuring the openpic accordingly, these get > delivered as a machine check with high priority, instead of as an external > interrupt. > > The device tree contains a property "nmi-source" in the openpic node > for these systems, and it's the (hwirq) source for the input. > > Also, for these interrupts, the IACK is read from another register than > the regular (MCACK), but they are EOI'd as usual. So implement said > function for the mpic driver. > > Finally, move a couple of external function defines to include/ instead > of local under sysdev. Being able to mask/unmask and eoi directly saves > us from setting up a dummy irq handler that will never be called.
It's interesting how creative implementors are with MPICs :-) Looks allright to me but I haven't tested for regressions. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
