ARCMSR_DRV2IOP_END_OF_INTERRUPT
WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);
WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);
WRITE_CHIP_REG32(0, phbbmu->drv2iop_doorbell, ARCMSR_DRV2IOP_END_OF_INTERRUPT);