CXL_ECS_THRESHOLD_COUNT_MASK
u8 index = FIELD_GET(CXL_ECS_THRESHOLD_COUNT_MASK, config);
*config &= ~CXL_ECS_THRESHOLD_COUNT_MASK;
*config |= FIELD_PREP(CXL_ECS_THRESHOLD_COUNT_MASK,
*config |= FIELD_PREP(CXL_ECS_THRESHOLD_COUNT_MASK,
*config |= FIELD_PREP(CXL_ECS_THRESHOLD_COUNT_MASK,