AT803X_SMART_SPEED_RETRY_LIMIT_MASK
*d = FIELD_GET(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, val) + 2;
FIELD_PREP(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, cnt - 2);
mask = AT803X_SMART_SPEED_RETRY_LIMIT_MASK;