SIS5595_EXTENT
if (!devm_request_region(&pdev->dev, res->start, SIS5595_EXTENT,
.end = address + SIS5595_EXTENT - 1,
force_addr &= ~(SIS5595_EXTENT - 1);
address &= ~(SIS5595_EXTENT - 1);
sis5595_base = force_addr & ~(SIS5595_EXTENT - 1);
if ((a & ~(SIS5595_EXTENT - 1)) != sis5595_base) {