swh:1:snp:77163734605b0ec556b01d897b7bb4a7e30d46b6
Raw File
Tip revision: 2c53b436a30867eb6b47dd7bab23ba638d1fb0d2 authored by Linus Torvalds on 13 June 2011, 22:29:59 UTC
Linux 3.0-rc3
Tip revision: 2c53b43
fbdev.c
/*
 * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive
 * for more details.
 *
 */
#include <linux/fb.h>
#include <linux/pci.h>

int fb_is_primary_device(struct fb_info *info)
{
	struct device *device = info->device;
	struct pci_dev *pci_dev = NULL;
	struct resource *res = NULL;
	int retval = 0;

	if (device)
		pci_dev = to_pci_dev(device);

	if (pci_dev)
		res = &pci_dev->resource[PCI_ROM_RESOURCE];

	if (res && res->flags & IORESOURCE_ROM_SHADOW)
		retval = 1;

	return retval;
}
EXPORT_SYMBOL(fb_is_primary_device);
MODULE_LICENSE("GPL");
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