.startup = rm9k_perfcounter_irq_startup,
.shutdown = rm9k_perfcounter_irq_shutdown,
.ack = mask_rm9k_irq,
.mask = mask_rm9k_irq,
.mask_ack = mask_rm9k_irq,
.unmask = unmask_rm9k_irq,
.startup = rm9k_perfcounter_irq_startup,
.shutdown = rm9k_perfcounter_irq_shutdown,
.ack = mask_rm9k_irq,
.mask = mask_rm9k_irq,
.mask_ack = mask_rm9k_irq,
.unmask = unmask_rm9k_irq,