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Cavium ThunderX2 SMMU doesn't support MSI and also doesn't have unique irq lines for gerror, eventq and cmdq-sync. New named irq "combined" is set as a errata workaround, which allows to share the irq line by register single irq handler for all the interrupts. Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Geetha sowjanya <gakula@caviumnetworks.com> [will: reworked irq equality checking and added SPI check] Signed-off-by: Will Deacon <will.deacon@arm.com>