IRQ_EPU_TO_CPU_ACK 393 drivers/media/pci/cx18/cx18-mailbox.c ack_irq = IRQ_EPU_TO_CPU_ACK; IRQ_EPU_TO_CPU_ACK 55 drivers/media/pci/cx18/cx18-scb.c cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack);