示例#1
0
static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	struct emu *emu;
	struct gameport *port;
	int error;

	emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
	port = gameport_allocate_port();
	if (!emu || !port) {
;
		error = -ENOMEM;
		goto err_out_free;
	}

	error = pci_enable_device(pdev);
	if (error)
		goto err_out_free;

	emu->io = pci_resource_start(pdev, 0);
	emu->size = pci_resource_len(pdev, 0);

	emu->dev = pdev;
	emu->gameport = port;

	gameport_set_name(port, "EMU10K1");
	gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));
	port->dev.parent = &pdev->dev;
	port->io = emu->io;

	if (!request_region(emu->io, emu->size, "emu10k1-gp")) {
//		printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n",
;
		error = -EBUSY;
		goto err_out_disable_dev;
	}

	pci_set_drvdata(pdev, emu);

	gameport_register_port(port);

	return 0;

 err_out_disable_dev:
	pci_disable_device(pdev);
 err_out_free:
	gameport_free_port(port);
	kfree(emu);
	return error;
}
示例#2
0
static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	int ioport, iolen;
	struct emu *emu;
	struct gameport *port;

	if (pci_enable_device(pdev))
		return -EBUSY;

	ioport = pci_resource_start(pdev, 0);
	iolen = pci_resource_len(pdev, 0);

	if (!request_region(ioport, iolen, "emu10k1-gp"))
		return -EBUSY;

	emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
	port = gameport_allocate_port();
	if (!emu || !port) {
		printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");
		release_region(ioport, iolen);
		kfree(emu);
		gameport_free_port(port);
		return -ENOMEM;
	}

	emu->io = ioport;
	emu->size = iolen;
	emu->dev = pdev;
	emu->gameport = port;

	gameport_set_name(port, "EMU10K1");
	gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));
	port->dev.parent = &pdev->dev;
	port->io = ioport;

	pci_set_drvdata(pdev, emu);

	gameport_register_port(port);

	return 0;
}