chip->card = card;
chip->pclk = pclk;
chip->pdev = pdev;
- chip->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ chip->regs = ioremap(regs->start, resource_size(regs));
if (!chip->regs) {
dev_dbg(&pdev->dev, "could not remap register memory\n");