net: fix pch_gbe section mismatch warning
[linux-2.6/next.git] / drivers / ide / ide-pnp.c
blob017b1df3b8054c476b8e7e3dbc3b4112d2d739fc
1 /*
2 * This file provides autodetection for ISA PnP IDE interfaces.
3 * It was tested with "ESS ES1868 Plug and Play AudioDrive" IDE interface.
5 * Copyright (C) 2000 Andrey Panin <pazke@donpac.ru>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
10 * any later version.
12 * You should have received a copy of the GNU General Public License
13 * (for example /usr/src/linux/COPYING); if not, write to the Free
14 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 #include <linux/init.h>
18 #include <linux/pnp.h>
19 #include <linux/ide.h>
21 #define DRV_NAME "ide-pnp"
23 /* Add your devices here :)) */
24 static struct pnp_device_id idepnp_devices[] = {
25 /* Generic ESDI/IDE/ATA compatible hard disk controller */
26 {.id = "PNP0600", .driver_data = 0},
27 {.id = ""}
30 static const struct ide_port_info ide_pnp_port_info = {
31 .host_flags = IDE_HFLAG_NO_DMA,
32 .chipset = ide_generic,
35 static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
37 struct ide_host *host;
38 unsigned long base, ctl;
39 int rc;
40 struct ide_hw hw, *hws[] = { &hw };
42 printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n");
44 if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0)))
45 return -1;
47 base = pnp_port_start(dev, 0);
48 ctl = pnp_port_start(dev, 1);
50 if (!request_region(base, 8, DRV_NAME)) {
51 printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
52 DRV_NAME, base, base + 7);
53 return -EBUSY;
56 if (!request_region(ctl, 1, DRV_NAME)) {
57 printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
58 DRV_NAME, ctl);
59 release_region(base, 8);
60 return -EBUSY;
63 memset(&hw, 0, sizeof(hw));
64 ide_std_init_ports(&hw, base, ctl);
65 hw.irq = pnp_irq(dev, 0);
67 rc = ide_host_add(&ide_pnp_port_info, hws, 1, &host);
68 if (rc)
69 goto out;
71 pnp_set_drvdata(dev, host);
73 return 0;
74 out:
75 release_region(ctl, 1);
76 release_region(base, 8);
78 return rc;
81 static void idepnp_remove(struct pnp_dev *dev)
83 struct ide_host *host = pnp_get_drvdata(dev);
85 ide_host_remove(host);
87 release_region(pnp_port_start(dev, 1), 1);
88 release_region(pnp_port_start(dev, 0), 8);
91 static struct pnp_driver idepnp_driver = {
92 .name = "ide",
93 .id_table = idepnp_devices,
94 .probe = idepnp_probe,
95 .remove = idepnp_remove,
98 static int __init pnpide_init(void)
100 return pnp_register_driver(&idepnp_driver);
103 static void __exit pnpide_exit(void)
105 pnp_unregister_driver(&idepnp_driver);
108 module_init(pnpide_init);
109 module_exit(pnpide_exit);
111 MODULE_LICENSE("GPL");