diff options
Diffstat (limited to 'drivers/acpi/pci_bind.c')
-rw-r--r-- | drivers/acpi/pci_bind.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c deleted file mode 100644 index a1dee29beed3..000000000000 --- a/drivers/acpi/pci_bind.c +++ /dev/null | |||
@@ -1,122 +0,0 @@ | |||
1 | /* | ||
2 | * pci_bind.c - ACPI PCI Device Binding ($Revision: 2 $) | ||
3 | * | ||
4 | * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> | ||
5 | * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | ||
6 | * | ||
7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
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 of the License, or (at | ||
12 | * your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, but | ||
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
17 | * General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License along | ||
20 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
21 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | ||
22 | * | ||
23 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
24 | */ | ||
25 | |||
26 | #include <linux/kernel.h> | ||
27 | #include <linux/types.h> | ||
28 | #include <linux/pci.h> | ||
29 | #include <linux/pci-acpi.h> | ||
30 | #include <linux/acpi.h> | ||
31 | #include <linux/pm_runtime.h> | ||
32 | #include <acpi/acpi_bus.h> | ||
33 | #include <acpi/acpi_drivers.h> | ||
34 | |||
35 | #define _COMPONENT ACPI_PCI_COMPONENT | ||
36 | ACPI_MODULE_NAME("pci_bind"); | ||
37 | |||
38 | static int acpi_pci_unbind(struct acpi_device *device) | ||
39 | { | ||
40 | struct pci_dev *dev; | ||
41 | |||
42 | dev = acpi_get_pci_dev(device->handle); | ||
43 | if (!dev) | ||
44 | goto out; | ||
45 | |||
46 | device_set_run_wake(&dev->dev, false); | ||
47 | pci_acpi_remove_pm_notifier(device); | ||
48 | acpi_power_resource_unregister_device(&dev->dev, device->handle); | ||
49 | |||
50 | if (!dev->subordinate) | ||
51 | goto out; | ||
52 | |||
53 | acpi_pci_irq_del_prt(pci_domain_nr(dev->bus), dev->subordinate->number); | ||
54 | |||
55 | device->ops.bind = NULL; | ||
56 | device->ops.unbind = NULL; | ||
57 | |||
58 | out: | ||
59 | pci_dev_put(dev); | ||
60 | return 0; | ||
61 | } | ||
62 | |||
63 | static int acpi_pci_bind(struct acpi_device *device) | ||
64 | { | ||
65 | acpi_status status; | ||
66 | acpi_handle handle; | ||
67 | unsigned char bus; | ||
68 | struct pci_dev *dev; | ||
69 | |||
70 | dev = acpi_get_pci_dev(device->handle); | ||
71 | if (!dev) | ||
72 | return 0; | ||
73 | |||
74 | pci_acpi_add_pm_notifier(device, dev); | ||
75 | acpi_power_resource_register_device(&dev->dev, device->handle); | ||
76 | if (device->wakeup.flags.run_wake) | ||
77 | device_set_run_wake(&dev->dev, true); | ||
78 | |||
79 | /* | ||
80 | * Install the 'bind' function to facilitate callbacks for | ||
81 | * children of the P2P bridge. | ||
82 | */ | ||
83 | if (dev->subordinate) { | ||
84 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, | ||
85 | "Device %04x:%02x:%02x.%d is a PCI bridge\n", | ||
86 | pci_domain_nr(dev->bus), dev->bus->number, | ||
87 | PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn))); | ||
88 | device->ops.bind = acpi_pci_bind; | ||
89 | device->ops.unbind = acpi_pci_unbind; | ||
90 | } | ||
91 | |||
92 | /* | ||
93 | * Evaluate and parse _PRT, if exists. This code allows parsing of | ||
94 | * _PRT objects within the scope of non-bridge devices. Note that | ||
95 | * _PRTs within the scope of a PCI bridge assume the bridge's | ||
96 | * subordinate bus number. | ||
97 | * | ||
98 | * TBD: Can _PRTs exist within the scope of non-bridge PCI devices? | ||
99 | */ | ||
100 | status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle); | ||
101 | if (ACPI_FAILURE(status)) | ||
102 | goto out; | ||
103 | |||
104 | if (dev->subordinate) | ||
105 | bus = dev->subordinate->number; | ||
106 | else | ||
107 | bus = dev->bus->number; | ||
108 | |||
109 | acpi_pci_irq_add_prt(device->handle, pci_domain_nr(dev->bus), bus); | ||
110 | |||
111 | out: | ||
112 | pci_dev_put(dev); | ||
113 | return 0; | ||
114 | } | ||
115 | |||
116 | int acpi_pci_bind_root(struct acpi_device *device) | ||
117 | { | ||
118 | device->ops.bind = acpi_pci_bind; | ||
119 | device->ops.unbind = acpi_pci_unbind; | ||
120 | |||
121 | return 0; | ||
122 | } | ||