On Tue, Sep 16, 2008 at 10:24:35AM -0400, Jon Smirl wrote: > On Tue, Sep 16, 2008 at 10:14 AM, Anton Vorontsov > <[EMAIL PROTECTED]> wrote: > > Assume that GPIO 8 does not translate to any IRQ, but IRQ 8 is still > > valid virq b/c it is mapped for another IRQ controller (particularly > > lots of kernel code assumes that IRQ 8 is 8259 PIC's CMOS interrupt, > > the PIC and IRQ8 is widely used on PowerPC). > > Set the base in the GPIO struct such that this won't happen. You can > set the base greater than MAX_IRQ.
And then you'll conflict with some other subsystem that decides to engage in the same shenanigans. Just allocate a chunk of virq space like any other cascaded IRQ controller. -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
