PMBASE_OFFSET
if (!request_region(pmbase + PMBASE_OFFSET, PMBASE_SIZE, DRV_NAME)) {
priv->iobase = ioport_map(pmbase + PMBASE_OFFSET, PMBASE_SIZE);
release_region(pmbase + PMBASE_OFFSET, PMBASE_SIZE);
release_region(priv->pmbase + PMBASE_OFFSET, PMBASE_SIZE);
if (!devm_request_region(&pdev->dev, gp.pmbase + PMBASE_OFFSET,
gp.pmbase + PMBASE_OFFSET);
gp.pm = ioport_map(gp.pmbase + PMBASE_OFFSET, PMBASE_SIZE);