1/* 2 * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com> 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file COPYING in the main directory of this archive 6 * for more details. 7 * 8 */ 9#include <linux/fb.h> 10#include <linux/pci.h> 11 12int fb_is_primary_device(struct fb_info *info) 13{ 14 struct device *device = info->device; 15 struct pci_dev *pci_dev = NULL; 16 struct resource *res = NULL; 17 int retval = 0; 18 19 if (device) 20 pci_dev = to_pci_dev(device); 21 22 if (pci_dev) 23 res = &pci_dev->resource[PCI_ROM_RESOURCE]; 24 25 if (res && res->flags & IORESOURCE_ROM_SHADOW) 26 retval = 1; 27 28 return retval; 29} 30EXPORT_SYMBOL(fb_is_primary_device); 31MODULE_LICENSE("GPL"); 32