IVPR_ACTIVITY_MASK
if (!(src->ivpr & IVPR_ACTIVITY_MASK) ||
src->ivpr &= ~IVPR_ACTIVITY_MASK;
src->ivpr |= IVPR_ACTIVITY_MASK;
was_active = !!(src->ivpr & IVPR_ACTIVITY_MASK);
src->ivpr |= IVPR_ACTIVITY_MASK;
src->ivpr &= ~IVPR_ACTIVITY_MASK;
(opp->src[n_IRQ].ivpr & IVPR_ACTIVITY_MASK) | (val & mask);