pci_ioremap_wc_bar
pci_ioremap_wc_bar(pdev, bar) :
EXPORT_SYMBOL_GPL(pci_ioremap_wc_bar);
info->screen_base = pci_ioremap_wc_bar(pdev, 1);
info->screen_base = pci_ioremap_wc_bar(dev, 0);
void __iomem *pci_ioremap_wc_bar(struct pci_dev *pdev, int bar);