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-rw-r--r--drivers/acpi/pci_bind.c40
-rw-r--r--drivers/acpi/pci_root.c24
-rw-r--r--drivers/acpi/scan.c33
-rw-r--r--include/acpi/acpi_drivers.h1
4 files changed, 43 insertions, 55 deletions
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index aa05e92464e6..1e2ae6e7a7e4 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -223,6 +223,8 @@ int acpi_pci_bind(struct acpi_device *device)
223 data->id.segment, data->id.bus, 223 data->id.segment, data->id.bus,
224 data->id.device, data->id.function)); 224 data->id.device, data->id.function));
225 data->bus = data->dev->subordinate; 225 data->bus = data->dev->subordinate;
226 device->ops.bind = acpi_pci_bind;
227 device->ops.unbind = acpi_pci_unbind;
226 } 228 }
227 229
228 /* 230 /*
@@ -352,6 +354,8 @@ acpi_pci_bind_root(struct acpi_device *device,
352 354
353 data->id = *id; 355 data->id = *id;
354 data->bus = bus; 356 data->bus = bus;
357 device->ops.bind = acpi_pci_bind;
358 device->ops.unbind = acpi_pci_unbind;
355 359
356 acpi_get_name(device->handle, ACPI_FULL_PATHNAME, &buffer); 360 acpi_get_name(device->handle, ACPI_FULL_PATHNAME, &buffer);
357 361
@@ -374,39 +378,3 @@ acpi_pci_bind_root(struct acpi_device *device,
374 378
375 return result; 379 return result;
376} 380}
377
378#define ACPI_PCI_BRIDGE_DRIVER_NAME "ACPI PCI Bridge Driver"
379
380static int acpi_pci_bridge_add(struct acpi_device *device);
381static int acpi_pci_bridge_remove(struct acpi_device *device, int type);
382
383static struct acpi_driver acpi_pci_bridge_driver = {
384 .name = ACPI_PCI_BRIDGE_DRIVER_NAME,
385 .ids = ACPI_PCI_BRIDGE_HID,
386 .ops = {
387 .add = acpi_pci_bridge_add,
388 .remove = acpi_pci_bridge_remove,
389 },
390};
391
392static int acpi_pci_bridge_add(struct acpi_device *device)
393{
394 return acpi_pci_bind(device);
395}
396
397static int acpi_pci_bridge_remove(struct acpi_device *device, int type)
398{
399 return acpi_pci_unbind(device);
400}
401
402static int __init acpi_pci_bridge_init(void)
403{
404 if (acpi_pci_disabled)
405 return 0;
406 if (acpi_bus_register_driver(&acpi_pci_bridge_driver) < 0)
407 return -ENODEV;
408 return 0;
409}
410
411/* Should be called after ACPI pci root driver */
412subsys_initcall(acpi_pci_bridge_init);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 9cfc74192419..2e1a74a967bb 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -151,6 +151,21 @@ static acpi_status try_get_root_bridge_busnr(acpi_handle handle, int *busnum)
151 return AE_OK; 151 return AE_OK;
152} 152}
153 153
154static void acpi_pci_bridge_scan(struct acpi_device *device)
155{
156 int status;
157 struct acpi_device *child = NULL;
158
159 if (device->flags.bus_address)
160 if (device->parent && device->parent->ops.bind) {
161 status = device->parent->ops.bind(device);
162 if (!status) {
163 list_for_each_entry(child, &device->children, node)
164 acpi_pci_bridge_scan(child);
165 }
166 }
167}
168
154static int acpi_pci_root_add(struct acpi_device *device) 169static int acpi_pci_root_add(struct acpi_device *device)
155{ 170{
156 int result = 0; 171 int result = 0;
@@ -159,6 +174,7 @@ static int acpi_pci_root_add(struct acpi_device *device)
159 acpi_status status = AE_OK; 174 acpi_status status = AE_OK;
160 unsigned long value = 0; 175 unsigned long value = 0;
161 acpi_handle handle = NULL; 176 acpi_handle handle = NULL;
177 struct acpi_device *child;
162 178
163 179
164 if (!device) 180 if (!device)
@@ -175,6 +191,8 @@ static int acpi_pci_root_add(struct acpi_device *device)
175 strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS); 191 strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
176 acpi_driver_data(device) = root; 192 acpi_driver_data(device) = root;
177 193
194 device->ops.bind = acpi_pci_bind;
195
178 /* 196 /*
179 * Segment 197 * Segment
180 * ------- 198 * -------
@@ -294,6 +312,12 @@ static int acpi_pci_root_add(struct acpi_device *device)
294 result = acpi_pci_irq_add_prt(device->handle, root->id.segment, 312 result = acpi_pci_irq_add_prt(device->handle, root->id.segment,
295 root->id.bus); 313 root->id.bus);
296 314
315 /*
316 * Scan and bind all _ADR-Based Devices
317 */
318 list_for_each_entry(child, &device->children, node)
319 acpi_pci_bridge_scan(child);
320
297 end: 321 end:
298 if (result) { 322 if (result) {
299 if (!list_empty(&root->node)) 323 if (!list_empty(&root->node))
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 769e54bc9226..30a39baeac51 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -837,20 +837,6 @@ acpi_video_bus_match(struct acpi_device *device)
837 return -ENODEV; 837 return -ENODEV;
838} 838}
839 839
840static int acpi_pci_bridge_match(struct acpi_device *device)
841{
842 acpi_status status;
843 acpi_handle handle;
844
845 /* pci bridge has _PRT but isn't PNP0A03 */
846 status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
847 if (ACPI_FAILURE(status))
848 return -ENODEV;
849 if (!acpi_match_ids(device, "PNP0A03"))
850 return -ENODEV;
851 return 0;
852}
853
854static void acpi_device_set_id(struct acpi_device *device, 840static void acpi_device_set_id(struct acpi_device *device,
855 struct acpi_device *parent, acpi_handle handle, 841 struct acpi_device *parent, acpi_handle handle,
856 int type) 842 int type)
@@ -886,10 +872,6 @@ static void acpi_device_set_id(struct acpi_device *device,
886 status = acpi_video_bus_match(device); 872 status = acpi_video_bus_match(device);
887 if(ACPI_SUCCESS(status)) 873 if(ACPI_SUCCESS(status))
888 hid = ACPI_VIDEO_HID; 874 hid = ACPI_VIDEO_HID;
889
890 status = acpi_pci_bridge_match(device);
891 if(ACPI_SUCCESS(status))
892 hid = ACPI_PCI_BRIDGE_HID;
893 } 875 }
894 break; 876 break;
895 case ACPI_BUS_TYPE_POWER: 877 case ACPI_BUS_TYPE_POWER:
@@ -1021,6 +1003,13 @@ static int acpi_bus_remove(struct acpi_device *dev, int rmdevice)
1021 if (!rmdevice) 1003 if (!rmdevice)
1022 return 0; 1004 return 0;
1023 1005
1006 /*
1007 * unbind _ADR-Based Devices when hot removal
1008 */
1009 if (dev->flags.bus_address) {
1010 if ((dev->parent) && (dev->parent->ops.unbind))
1011 dev->parent->ops.unbind(dev);
1012 }
1024 acpi_device_unregister(dev, ACPI_BUS_REMOVAL_EJECT); 1013 acpi_device_unregister(dev, ACPI_BUS_REMOVAL_EJECT);
1025 1014
1026 return 0; 1015 return 0;
@@ -1137,6 +1126,14 @@ acpi_add_single_object(struct acpi_device **child,
1137 1126
1138 result = acpi_device_register(device, parent); 1127 result = acpi_device_register(device, parent);
1139 1128
1129 /*
1130 * Bind _ADR-Based Devices when hot add
1131 */
1132 if (device->flags.bus_address) {
1133 if (device->parent && device->parent->ops.bind)
1134 device->parent->ops.bind(device);
1135 }
1136
1140 end: 1137 end:
1141 if (!result) 1138 if (!result)
1142 *child = device; 1139 *child = device;
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index be67750ec88b..2781e6628645 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -44,7 +44,6 @@
44#define ACPI_BUTTON_HID_SLEEPF "ACPI_FSB" 44#define ACPI_BUTTON_HID_SLEEPF "ACPI_FSB"
45 45
46#define ACPI_VIDEO_HID "ACPI_VID" 46#define ACPI_VIDEO_HID "ACPI_VID"
47#define ACPI_PCI_BRIDGE_HID "ACPI_PCI"
48/* -------------------------------------------------------------------------- 47/* --------------------------------------------------------------------------
49 PCI 48 PCI
50 -------------------------------------------------------------------------- */ 49 -------------------------------------------------------------------------- */