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317b3c21 | 1 | /* |
317b3c21 AD |
2 | * |
3 | * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com> | |
4 | * | |
5 | * This file is subject to the terms and conditions of the GNU General Public | |
6 | * License. See the file COPYING in the main directory of this archive | |
7 | * for more details. | |
8 | * | |
9 | */ | |
10 | #include <linux/fb.h> | |
11 | #include <linux/pci.h> | |
12 | ||
13 | int fb_is_primary_device(struct fb_info *info) | |
14 | { | |
623e71b0 | 15 | struct device *device = info->device; |
317b3c21 AD |
16 | struct pci_dev *pci_dev = NULL; |
17 | struct resource *res = NULL; | |
18 | int retval = 0; | |
19 | ||
317b3c21 AD |
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); |