spapr/irq: initialize the IRQ device only once
Add a check to make sure that the routine initializing the emulated IRQ device is called once. We don't have much to test on the XICS side, so we introduce a 'init' boolean under ICSState. Signed-off-by:Cédric Le Goater <clg@kaod.org> Message-Id: <20190513084245.25755-13-clg@kaod.org> Signed-off-by:
David Gibson <david@gibson.dropbear.id.au>
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