1/*
 2 * Virtual EISA root driver.
 3 * Acts as a placeholder if we don't have a proper EISA bridge.
 4 *
 5 * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
 6 * modified for SNI usage by Thomas Bogendoerfer
 7 *
 8 * This code is released under the GPL version 2.
 9 */
10
11#include <linux/kernel.h>
12#include <linux/platform_device.h>
13#include <linux/eisa.h>
14#include <linux/init.h>
15
16/* The default EISA device parent (virtual root device).
17 * Now use a platform device, since that's the obvious choice. */
18
19static struct platform_device eisa_root_dev = {
20	.name = "eisa",
21	.id   = 0,
22};
23
24static struct eisa_root_device eisa_bus_root = {
25	.dev           = &eisa_root_dev.dev,
26	.bus_base_addr = 0,
27	.res	       = &ioport_resource,
28	.slots	       = EISA_MAX_SLOTS,
29	.dma_mask      = 0xffffffff,
30	.force_probe   = 1,
31};
32
33int __init sni_eisa_root_init(void)
34{
35	int r;
36
37	r = platform_device_register(&eisa_root_dev);
38	if (!r)
39		return r;
40
41	dev_set_drvdata(&eisa_root_dev.dev, &eisa_bus_root);
42
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);
47		return -1;
48	}
49	return 0;
50}

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Virtual EISA root driver.
 4 * Acts as a placeholder if we don't have a proper EISA bridge.
 5 *
 6 * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
 7 * modified for SNI usage by Thomas Bogendoerfer
 
 
 8 */
 9
10#include <linux/kernel.h>
11#include <linux/platform_device.h>
12#include <linux/eisa.h>
13#include <linux/init.h>
14
15/* The default EISA device parent (virtual root device).
16 * Now use a platform device, since that's the obvious choice. */
17
18static struct platform_device eisa_root_dev = {
19	.name = "eisa",
20	.id   = 0,
21};
22
23static struct eisa_root_device eisa_bus_root = {
24	.dev	       = &eisa_root_dev.dev,
25	.bus_base_addr = 0,
26	.res	       = &ioport_resource,
27	.slots	       = EISA_MAX_SLOTS,
28	.dma_mask      = 0xffffffff,
29	.force_probe   = 1,
30};
31
32int __init sni_eisa_root_init(void)
33{
34	int r;
35
36	r = platform_device_register(&eisa_root_dev);
37	if (!r)
38		return r;
39
40	dev_set_drvdata(&eisa_root_dev.dev, &eisa_bus_root);
41
42	if (eisa_root_register(&eisa_bus_root)) {
43		/* A real bridge may have been registered before
44		 * us. So quietly unregister. */
45		platform_device_unregister(&eisa_root_dev);
46		return -1;
47	}
48	return 0;
49}