let cell = tableView.dequeueReusableCellWithIdentifier("TimeTypeCell", forIndexPath: indexPath) as! TimeTypeCell

let customField = customFields[indexPath.row]

cell.fieldNameLabel.text = customField["name"] as? String
cell.fieldValueLabel.text = customField["total"] as? String
cell.graphData = customField["totalGraph"] as! [Double]

cell.fieldGraph.dataSource = cell.self
cell.fieldGraph.delegate = cell.self

cell.fieldGraph.reloadData() //This is where the redrawing happens

- (void)layoutSubviews {
    [super layoutSubviews];
    [self.contentView layoutSubviews]; // this does the trick
}