I'm working a project using a Spartan 6 FPGA with a PCIe interface and
MSI interrupts. I want to use multiple MSI interrupts (MSI-X is not
supported in the FPGA PCIe core) but the current Linux distribution
(3.0.8) prevents that (lines 23 to 25 in arch/powerpc/kernel/msi.c).
What's the story here? Is the code in place but not tested? I tried
commenting out those lines but a request_irq() called failed for the
second interrupt requested. Am I wasting my time here? Should I
re-architect to use a single MSI interrupt?
Thanks,
- Brad
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