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 #include <linux/module.h> 12 13 int fb_is_primary_device(struct fb_info *info) 14 { 15 struct device *device = info->device; 16 struct pci_dev *pci_dev = NULL; 17 struct resource *res = NULL; 18 int retval = 0; 19 20 if (device) 21 pci_dev = to_pci_dev(device); 22 23 if (pci_dev) 24 res = &pci_dev->resource[PCI_ROM_RESOURCE]; 25 26 if (res && res->flags & IORESOURCE_ROM_SHADOW) 27 retval = 1; 28 29 return retval; 30 } 31 EXPORT_SYMBOL(fb_is_primary_device); 32 MODULE_LICENSE("GPL"); 33