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}

 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}