X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Facpi%2Fpci_bind.c;h=388300de005d37df692f142649e0e1a1ab75d9c0;hb=1ec4a9398dc05061b6258061676fede733458893;hp=d83327468358b8e163d3855bce9c2789450e8b30;hpb=db3e1cc3257758d8a694d0a6ab29f109fb019853;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c index d833274..388300d 100644 --- a/drivers/acpi/pci_bind.c +++ b/drivers/acpi/pci_bind.c @@ -36,7 +36,7 @@ #include #define _COMPONENT ACPI_PCI_COMPONENT -ACPI_MODULE_NAME("pci_bind") +ACPI_MODULE_NAME("pci_bind"); struct acpi_pci_data { struct acpi_pci_id id; @@ -122,19 +122,17 @@ int acpi_pci_bind(struct acpi_device *device) if (!device || !device->parent) return -EINVAL; - pathname = kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); + pathname = kzalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) return -ENOMEM; - memset(pathname, 0, ACPI_PATHNAME_MAX); buffer.length = ACPI_PATHNAME_MAX; buffer.pointer = pathname; - data = kmalloc(sizeof(struct acpi_pci_data), GFP_KERNEL); + data = kzalloc(sizeof(struct acpi_pci_data), GFP_KERNEL); if (!data) { kfree(pathname); return -ENOMEM; } - memset(data, 0, sizeof(struct acpi_pci_data)); acpi_get_name(device->handle, ACPI_FULL_PATHNAME, &buffer); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Binding PCI device [%s]...\n", @@ -223,6 +221,8 @@ int acpi_pci_bind(struct acpi_device *device) data->id.segment, data->id.bus, data->id.device, data->id.function)); data->bus = data->dev->subordinate; + device->ops.bind = acpi_pci_bind; + device->ops.unbind = acpi_pci_unbind; } /* @@ -279,10 +279,9 @@ int acpi_pci_unbind(struct acpi_device *device) if (!device || !device->parent) return -EINVAL; - pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); + pathname = kzalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) return -ENOMEM; - memset(pathname, 0, ACPI_PATHNAME_MAX); buffer.length = ACPI_PATHNAME_MAX; buffer.pointer = pathname; @@ -295,9 +294,6 @@ int acpi_pci_unbind(struct acpi_device *device) acpi_get_data(device->handle, acpi_pci_data_handler, (void **)&data); if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Unable to get data from device %s", - acpi_device_bid(device))); result = -ENODEV; goto end; } @@ -329,11 +325,9 @@ acpi_pci_bind_root(struct acpi_device *device, char *pathname = NULL; struct acpi_buffer buffer = { 0, NULL }; - - pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); + pathname = kzalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) return -ENOMEM; - memset(pathname, 0, ACPI_PATHNAME_MAX); buffer.length = ACPI_PATHNAME_MAX; buffer.pointer = pathname; @@ -343,15 +337,16 @@ acpi_pci_bind_root(struct acpi_device *device, return -EINVAL; } - data = kmalloc(sizeof(struct acpi_pci_data), GFP_KERNEL); + data = kzalloc(sizeof(struct acpi_pci_data), GFP_KERNEL); if (!data) { kfree(pathname); return -ENOMEM; } - memset(data, 0, sizeof(struct acpi_pci_data)); data->id = *id; data->bus = bus; + device->ops.bind = acpi_pci_bind; + device->ops.unbind = acpi_pci_unbind; acpi_get_name(device->handle, ACPI_FULL_PATHNAME, &buffer); @@ -374,55 +369,3 @@ acpi_pci_bind_root(struct acpi_device *device, return result; } - -#define ACPI_PCI_BRIDGE_DRIVER_NAME "ACPI PCI Bridge Driver" - -static int acpi_pci_bridge_add(struct acpi_device *device); -static int acpi_pci_bridge_remove(struct acpi_device *device, int type); -static int acpi_pci_bridge_match(struct acpi_device *device, - struct acpi_driver *driver); -static struct acpi_driver acpi_pci_bridge_driver = { - .name = ACPI_PCI_BRIDGE_DRIVER_NAME, - .ops = { - .add = acpi_pci_bridge_add, - .remove = acpi_pci_bridge_remove, - .match = acpi_pci_bridge_match, - }, -}; - -static int acpi_pci_bridge_match(struct acpi_device *device, - struct acpi_driver *driver) -{ - acpi_status status; - acpi_handle handle; - - /* pci bridge has _PRT but isn't PNP0A03 */ - status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle); - if (ACPI_FAILURE(status)) - return -ENODEV; - if (!acpi_match_ids(device, "PNP0A03")) - return -ENODEV; - return 0; -} - -static int acpi_pci_bridge_add(struct acpi_device *device) -{ - return acpi_pci_bind(device); -} - -static int acpi_pci_bridge_remove(struct acpi_device *device, int type) -{ - return acpi_pci_unbind(device); -} - -static int __init acpi_pci_bridge_init(void) -{ - if (acpi_pci_disabled) - return 0; - if (acpi_bus_register_driver(&acpi_pci_bridge_driver) < 0) - return -ENODEV; - return 0; -} - -/* Should be called after ACPI pci root driver */ -subsys_initcall(acpi_pci_bridge_init);