NPI_DEV_SR_IMPL_ST_SHIFT
*sr_p = (sr_impl << NPI_DEV_SR_IMPL_ST_SHIFT);
sr.bits.ldw.sr |= (impl_sr << NPI_DEV_SR_IMPL_ST_SHIFT);
sr.bits.ldw.sr |= (impl_sr << NPI_DEV_SR_IMPL_ST_SHIFT);
>> NPI_DEV_SR_IMPL_ST_SHIFT)