2 * Virtual EISA root driver.
3 * Acts as a placeholder if we don't have a proper EISA bridge.
5 * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
6 * modified for SNI usage by Thomas Bogendoerfer
8 * This code is released under the GPL version 2.
11 #include <linux/kernel.h>
12 #include <linux/platform_device.h>
13 #include <linux/eisa.h>
14 #include <linux/init.h>
16 /* The default EISA device parent (virtual root device).
17 * Now use a platform device, since that's the obvious choice. */
19 static struct platform_device eisa_root_dev = {
24 static struct eisa_root_device eisa_bus_root = {
25 .dev = &eisa_root_dev.dev,
27 .res = &ioport_resource,
28 .slots = EISA_MAX_SLOTS,
29 .dma_mask = 0xffffffff,
33 int __init sni_eisa_root_init(void)
37 r = platform_device_register(&eisa_root_dev);
41 eisa_root_dev.dev.driver_data = &eisa_bus_root;
43 if (eisa_root_register(&eisa_bus_root)) {
44 /* A real bridge may have been registered before
45 * us. So quietly unregister. */
46 platform_device_unregister(&eisa_root_dev);