GEN3_RELATED_OFF_RATE_SHADOW_SEL_MASK
reg &= ~GEN3_RELATED_OFF_RATE_SHADOW_SEL_MASK;
reg |= FIELD_PREP(GEN3_RELATED_OFF_RATE_SHADOW_SEL_MASK,
val &= ~GEN3_RELATED_OFF_RATE_SHADOW_SEL_MASK;
val &= ~GEN3_RELATED_OFF_RATE_SHADOW_SEL_MASK;
val &= ~GEN3_RELATED_OFF_RATE_SHADOW_SEL_MASK;