ia64/linux-2.6.18-xen.hg

view drivers/ide/ide-pnp.c @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
1 /*
2 * linux/drivers/ide/ide-pnp.c
3 *
4 * This file provides autodetection for ISA PnP IDE interfaces.
5 * It was tested with "ESS ES1868 Plug and Play AudioDrive" IDE interface.
6 *
7 * Copyright (C) 2000 Andrey Panin <pazke@donpac.ru>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2, or (at your option)
12 * any later version.
13 *
14 * You should have received a copy of the GNU General Public License
15 * (for example /usr/src/linux/COPYING); if not, write to the Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
19 #include <linux/init.h>
20 #include <linux/pnp.h>
21 #include <linux/ide.h>
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 = ""}
28 };
30 static int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id)
31 {
32 hw_regs_t hw;
33 ide_hwif_t *hwif;
34 int index;
36 if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0)))
37 return -1;
39 memset(&hw, 0, sizeof(hw));
40 ide_std_init_ports(&hw, pnp_port_start(dev, 0),
41 pnp_port_start(dev, 1));
42 hw.irq = pnp_irq(dev, 0);
43 hw.dma = NO_DMA;
45 index = ide_register_hw(&hw, &hwif);
47 if (index != -1) {
48 printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);
49 pnp_set_drvdata(dev,hwif);
50 return 0;
51 }
53 return -1;
54 }
56 static void idepnp_remove(struct pnp_dev * dev)
57 {
58 ide_hwif_t *hwif = pnp_get_drvdata(dev);
59 if (hwif) {
60 ide_unregister(hwif->index);
61 } else
62 printk(KERN_ERR "idepnp: Unable to remove device, please report.\n");
63 }
65 static struct pnp_driver idepnp_driver = {
66 .name = "ide",
67 .id_table = idepnp_devices,
68 .probe = idepnp_probe,
69 .remove = idepnp_remove,
70 };
72 void __init pnpide_init(void)
73 {
74 pnp_register_driver(&idepnp_driver);
75 }