diff options
| -rw-r--r-- | drivers/acpi/dock.c | 25 | ||||
| -rw-r--r-- | drivers/acpi/internal.h | 6 | ||||
| -rw-r--r-- | drivers/acpi/osl.c | 96 | ||||
| -rw-r--r-- | drivers/acpi/pci_root.c | 51 | ||||
| -rw-r--r-- | drivers/acpi/scan.c | 176 | ||||
| -rw-r--r-- | drivers/pci/hotplug/acpiphp_glue.c | 18 | ||||
| -rw-r--r-- | include/acpi/acpi_bus.h | 18 | ||||
| -rw-r--r-- | include/acpi/platform/aclinux.h | 3 |
8 files changed, 147 insertions, 246 deletions
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index ca86c1ce7c8a..dcd73ccb514c 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -669,39 +669,20 @@ static void dock_notify(struct dock_station *ds, u32 event) } } -struct dock_data { - struct dock_station *ds; - u32 event; -}; - -static void acpi_dock_deferred_cb(void *context) +static void acpi_dock_deferred_cb(void *data, u32 event) { - struct dock_data *data = context; - acpi_scan_lock_acquire(); - dock_notify(data->ds, data->event); + dock_notify(data, event); acpi_scan_lock_release(); - kfree(data); } static void dock_notify_handler(acpi_handle handle, u32 event, void *data) { - struct dock_data *dd; - if (event != ACPI_NOTIFY_BUS_CHECK && event != ACPI_NOTIFY_DEVICE_CHECK && event != ACPI_NOTIFY_EJECT_REQUEST) return; - dd = kmalloc(sizeof(*dd), GFP_KERNEL); - if (dd) { - acpi_status status; - - dd->ds = data; - dd->event = event; - status = acpi_os_hotplug_execute(acpi_dock_deferred_cb, dd); - if (ACPI_FAILURE(status)) - kfree(dd); - } + acpi_hotplug_execute(acpi_dock_deferred_cb, data, event); } /** diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index e9304dc7ebfa..a29739c0ba79 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -26,11 +26,6 @@ acpi_status acpi_os_initialize1(void); int init_acpi_device_notify(void); int acpi_scan_init(void); -#ifdef CONFIG_ACPI_PCI_SLOT -void acpi_pci_slot_init(void); -#else -static inline void acpi_pci_slot_init(void) { } -#endif void acpi_pci_root_init(void); void acpi_pci_link_init(void); void acpi_pci_root_hp_init(void); @@ -92,6 +87,7 @@ void acpi_device_add_finalize(struct acpi_device *device); void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); int acpi_bind_one(struct device *dev, acpi_handle handle); int acpi_unbind_one(struct device *dev); +void acpi_bus_device_eject(void *data, u32 ost_src); /* -------------------------------------------------------------------------- Power Resource diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index a0c09adf7e7d..54a20ff4b864 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -61,7 +61,6 @@ struct acpi_os_dpc { acpi_osd_exec_callback function; void *context; struct work_struct work; - int wait; }; #ifdef CONFIG_ACPI_CUSTOM_DSDT @@ -1087,9 +1086,6 @@ static void acpi_os_execute_deferred(struct work_struct *work) { struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work); - if (dpc->wait) - acpi_os_wait_events_complete(); - dpc->function(dpc->context); kfree(dpc); } @@ -1109,8 +1105,8 @@ static void acpi_os_execute_deferred(struct work_struct *work) * ******************************************************************************/ -static acpi_status __acpi_os_execute(acpi_execute_type type, - acpi_osd_exec_callback function, void *context, int hp) +acpi_status acpi_os_execute(acpi_execute_type type, + acpi_osd_exec_callback function, void *context) { acpi_status status = AE_OK; struct acpi_os_dpc *dpc; @@ -1137,20 +1133,11 @@ static acpi_status __acpi_os_execute(acpi_execute_type type, dpc->context = context; /* - * We can't run hotplug code in keventd_wq/kacpid_wq/kacpid_notify_wq - * because the hotplug code may call driver .remove() functions, - * which invoke flush_scheduled_work/acpi_os_wait_events_complete - * to flush these workqueues. - * * To prevent lockdep from complaining unnecessarily, make sure that * there is a different static lockdep key for each workqueue by using * INIT_WORK() for each of them separately. */ - if (hp) { - queue = kacpi_hotplug_wq; - dpc->wait = 1; - INIT_WORK(&dpc->work, acpi_os_execute_deferred); - } else if (type == OSL_NOTIFY_HANDLER) { + if (type == OSL_NOTIFY_HANDLER) { queue = kacpi_notify_wq; INIT_WORK(&dpc->work, acpi_os_execute_deferred); } else { @@ -1175,28 +1162,59 @@ static acpi_status __acpi_os_execute(acpi_execute_type type, } return status; } +EXPORT_SYMBOL(acpi_os_execute); -acpi_status acpi_os_execute(acpi_execute_type type, - acpi_osd_exec_callback function, void *context) +void acpi_os_wait_events_complete(void) { - return __acpi_os_execute(type, function, context, 0); + flush_workqueue(kacpid_wq); + flush_workqueue(kacpi_notify_wq); } -EXPORT_SYMBOL(acpi_os_execute); -acpi_status acpi_os_hotplug_execute(acpi_osd_exec_callback function, - void *context) +struct acpi_hp_work { + struct work_struct work; + acpi_hp_callback func; + void *data; + u32 src; +}; + +static void acpi_hotplug_work_fn(struct work_struct *work) { - return __acpi_os_execute(0, function, context, 1); + struct acpi_hp_work *hpw = container_of(work, struct acpi_hp_work, work); + + acpi_os_wait_events_complete(); + hpw->func(hpw->data, hpw->src); + kfree(hpw); } -EXPORT_SYMBOL(acpi_os_hotplug_execute); -void acpi_os_wait_events_complete(void) +acpi_status acpi_hotplug_execute(acpi_hp_callback func, void *data, u32 src) { - flush_workqueue(kacpid_wq); - flush_workqueue(kacpi_notify_wq); + struct acpi_hp_work *hpw; + + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Scheduling function [%p(%p, %u)] for deferred execution.\n", + func, data, src)); + + hpw = kmalloc(sizeof(*hpw), GFP_KERNEL); + if (!hpw) + return AE_NO_MEMORY; + + INIT_WORK(&hpw->work, acpi_hotplug_work_fn); + hpw->func = func; + hpw->data = data; + hpw->src = src; + /* + * We can't run hotplug code in kacpid_wq/kacpid_notify_wq etc., because + * the hotplug code may call driver .remove() functions, which may + * invoke flush_scheduled_work()/acpi_os_wait_events_complete() to flush + * these workqueues. + */ + if (!queue_work(kacpi_hotplug_wq, &hpw->work)) { + kfree(hpw); + return AE_ERROR; + } + return AE_OK; } -EXPORT_SYMBOL(acpi_os_wait_events_complete); acpi_status acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle) @@ -1845,25 +1863,3 @@ void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, { __acpi_os_prepare_extended_sleep = func; } - - -void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context, - void (*func)(struct work_struct *work)) -{ - struct acpi_hp_work *hp_work; - int ret; - - hp_work = kmalloc(sizeof(*hp_work), GFP_KERNEL); - if (!hp_work) - return; - - hp_work->handle = handle; - hp_work->type = type; - hp_work->context = context; - - INIT_WORK(&hp_work->work, func); - ret = queue_work(kacpi_hotplug_wq, &hp_work->work); - if (!ret) - kfree(hp_work); -} -EXPORT_SYMBOL_GPL(alloc_acpi_hp_work); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index d3874f425653..417876bce854 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -39,6 +39,8 @@ #include <acpi/acpi_drivers.h> #include <acpi/apei.h> +#include "internal.h" + #define PREFIX "ACPI: " #define _COMPONENT ACPI_PCI_COMPONENT @@ -590,39 +592,10 @@ static void handle_root_bridge_insertion(acpi_handle handle) acpi_handle_err(handle, "cannot add bridge to acpi list\n"); } -static void handle_root_bridge_removal(struct acpi_device *device) -{ - acpi_status status; - struct acpi_eject_event *ej_event; - - ej_event = kmalloc(sizeof(*ej_event), GFP_KERNEL); - if (!ej_event) { - /* Inform firmware the hot-remove operation has error */ - (void) acpi_evaluate_hotplug_ost(device->handle, - ACPI_NOTIFY_EJECT_REQUEST, - ACPI_OST_SC_NON_SPECIFIC_FAILURE, - NULL); - return; - } - - ej_event->device = device; - ej_event->event = ACPI_NOTIFY_EJECT_REQUEST; - - status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device, ej_event); - if (ACPI_FAILURE(status)) - kfree(ej_event); -} - -static void _handle_hotplug_event_root(struct work_struct *work) +static void hotplug_event_root(void *data, u32 type) { + acpi_handle handle = data; struct acpi_pci_root *root; - struct acpi_hp_work *hp_work; - acpi_handle handle; - u32 type; - - hp_work = container_of(work, struct acpi_hp_work, work); - handle = hp_work->handle; - type = hp_work->type; acpi_scan_lock_acquire(); @@ -652,9 +625,15 @@ static void _handle_hotplug_event_root(struct work_struct *work) /* request device eject */ acpi_handle_printk(KERN_DEBUG, handle, "Device eject notify on %s\n", __func__); - if (root) - handle_root_bridge_removal(root->device); - break; + if (!root) + break; + + get_device(&root->device->dev); + + acpi_scan_lock_release(); + + acpi_bus_device_eject(root->device, ACPI_NOTIFY_EJECT_REQUEST); + return; default: acpi_handle_warn(handle, "notify_handler: unknown event type 0x%x\n", @@ -663,14 +642,12 @@ static void _handle_hotplug_event_root(struct work_struct *work) } acpi_scan_lock_release(); - kfree(hp_work); /* allocated in handle_hotplug_event_bridge */ } static void handle_hotplug_event_root(acpi_handle handle, u32 type, void *context) { - alloc_acpi_hp_work(handle, type, context, - _handle_hotplug_event_root); + acpi_hotplug_execute(hotplug_event_root, handle, type); } static acpi_status __init diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index fee8a297c7d9..55f9dedbbf9f 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -125,8 +125,8 @@ acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, cha } static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL); -static acpi_status acpi_bus_offline_companions(acpi_handle handle, u32 lvl, - void *data, void **ret_p) +static acpi_status acpi_bus_offline(acpi_handle handle, u32 lvl, void *data, + void **ret_p) { struct acpi_device *device = NULL; struct acpi_device_physical_node *pn; @@ -136,6 +136,11 @@ static acpi_status acpi_bus_offline_companions(acpi_handle handle, u32 lvl, if (acpi_bus_get_device(handle, &device)) return AE_OK; + if (device->handler && !device->handler->hotplug.enabled) { + *ret_p = &device->dev; + return AE_SUPPORT; + } + mutex_lock(&device->physical_node_lock); list_for_each_entry(pn, &device->physical_node_list, node) { @@ -168,8 +173,8 @@ static acpi_status acpi_bus_offline_companions(acpi_handle handle, u32 lvl, return status; } -static acpi_status acpi_bus_online_companions(acpi_handle handle, u32 lvl, - void *data, void **ret_p) +static acpi_status acpi_bus_online(acpi_handle handle, u32 lvl, void *data, + void **ret_p) { struct acpi_device *device = NULL; struct acpi_device_physical_node *pn; @@ -214,26 +219,32 @@ static int acpi_scan_hot_remove(struct acpi_device *device) * If the first pass is successful, the second one isn't needed, though. */ errdev = NULL; - acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX, - NULL, acpi_bus_offline_companions, - (void *)false, (void **)&errdev); - acpi_bus_offline_companions(handle, 0, (void *)false, (void **)&errdev); + status = acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX, + NULL, acpi_bus_offline, (void *)false, + (void **)&errdev); + if (status == AE_SUPPORT) { + dev_warn(errdev, "Offline disabled.\n"); + acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX, + acpi_bus_online, NULL, NULL, NULL); + put_device(&device->dev); + return -EPERM; + } + acpi_bus_offline(handle, 0, (void *)false, (void **)&errdev); if (errdev) { errdev = NULL; acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX, - NULL, acpi_bus_offline_companions, - (void *)true , (void **)&errdev); + NULL, acpi_bus_offline, (void *)true, + (void **)&errdev); if (!errdev || acpi_force_hot_remove) - acpi_bus_offline_companions(handle, 0, (void *)true, - (void **)&errdev); + acpi_bus_offline(handle, 0, (void *)true, + (void **)&errdev); if (errdev && !acpi_force_hot_remove) { dev_warn(errdev, "Offline failed.\n"); - acpi_bus_online_companions(handle, 0, NULL, NULL); + acpi_bus_online(handle, 0, NULL, NULL); acpi_walk_namespace(ACPI_TYPE_ANY, handle, - ACPI_UINT32_MAX, - acpi_bus_online_companions, NULL, - NULL, NULL); + ACPI_UINT32_MAX, acpi_bus_online, + NULL, NULL, NULL); put_device(&device->dev); return -EBUSY; } @@ -274,10 +285,10 @@ static int acpi_scan_hot_remove(struct acpi_device *device) return 0; } -static void acpi_bus_device_eject(void *context) +void acpi_bus_device_eject(void *data, u32 ost_src) { - acpi_handle handle = context; - struct acpi_device *device = NULL; + struct acpi_device *device = data; + acpi_handle handle = device->handle; struct acpi_scan_handler *handler; u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; int error; @@ -285,38 +296,41 @@ static void acpi_bus_device_eject(void *context) lock_device_hotplug(); mutex_lock(&acpi_scan_lock); - acpi_bus_get_device(handle, &device); - if (!device) - goto err_out; - handler = device->handler; if (!handler || !handler->hotplug.enabled) { - ost_code = ACPI_OST_SC_EJECT_NOT_SUPPORTED; - goto err_out; + put_device(&device->dev); + goto err_support; } - acpi_evaluate_hotplug_ost(handle, ACPI_NOTIFY_EJECT_REQUEST, - ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); + + if (ost_src == ACPI_NOTIFY_EJECT_REQUEST) + acpi_evaluate_hotplug_ost(handle, ACPI_NOTIFY_EJECT_REQUEST, + ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); + if (handler->hotplug.mode == AHM_CONTAINER) kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); - get_device(&device->dev); error = acpi_scan_hot_remove(device); - if (error) + if (error == -EPERM) { + goto err_support; + } else if (error) { goto err_out; + } out: mutex_unlock(&acpi_scan_lock); unlock_device_hotplug(); return; + err_support: + ost_code = ACPI_OST_SC_EJECT_NOT_SUPPORTED; err_out: - acpi_evaluate_hotplug_ost(handle, ACPI_NOTIFY_EJECT_REQUEST, ost_code, - NULL); + acpi_evaluate_hotplug_ost(handle, ost_src, ost_code, NULL); goto out; } -static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source) +static void acpi_scan_bus_device_check(void *data, u32 ost_source) { + acpi_handle handle = data; struct acpi_device *device = NULL; u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; int error; @@ -331,8 +345,6 @@ static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source) goto out; } } - acpi_evaluate_hotplug_ost(handle, ost_source, - ACPI_OST_SC_INSERT_IN_PROGRESS, NULL); error = acpi_bus_scan(handle); if (error) { acpi_handle_warn(handle, "Namespace scan failure\n"); @@ -353,18 +365,6 @@ static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source) unlock_device_hotplug(); } -static void acpi_scan_bus_check(void *context) -{ - acpi_scan_bus_device_check((acpi_handle)context, - ACPI_NOTIFY_BUS_CHECK); -} - -static void acpi_scan_device_check(void *context) -{ - acpi_scan_bus_device_check((acpi_handle)context, - ACPI_NOTIFY_DEVICE_CHECK); -} - static void acpi_hotplug_unsupported(acpi_handle handle, u32 type) { u32 ost_status; @@ -395,8 +395,8 @@ static void acpi_hotplug_unsupported(acpi_handle handle, u32 type) static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data) { - acpi_osd_exec_callback callback; struct acpi_scan_handler *handler = data; + struct acpi_device *adev; acpi_status status; if (!handler->hotplug.enabled) @@ -405,56 +405,35 @@ static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data) switch (type) { case ACPI_NOTIFY_BUS_CHECK: acpi_handle_debug(handle, "ACPI_NOTIFY_BUS_CHECK event\n"); - callback = acpi_scan_bus_check; break; case ACPI_NOTIFY_DEVICE_CHECK: acpi_handle_debug(handle, "ACPI_NOTIFY_DEVICE_CHECK event\n"); - callback = acpi_scan_device_check; break; case ACPI_NOTIFY_EJECT_REQUEST: acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n"); - callback = acpi_bus_device_eject; - break; + status = acpi_bus_get_device(handle, &adev); + if (ACPI_FAILURE(status)) + goto err_out; + + get_device(&adev->dev); + status = acpi_hotplug_execute(acpi_bus_device_eject, adev, type); + if (ACPI_SUCCESS(status)) + return; + + put_device(&adev->dev); + goto err_out; default: /* non-hotplug event; possibly handled by other handler */ return; } - status = acpi_os_hotplug_execute(callback, handle); - if (ACPI_FAILURE(status)) - acpi_evaluate_hotplug_ost(handle, type, - ACPI_OST_SC_NON_SPECIFIC_FAILURE, - NULL); -} - -/** - * acpi_bus_hot_remove_device: hot-remove a device and its children - * @context: struct acpi_eject_event pointer (freed in this func) - * - * Hot-remove a device and its children. This function frees up the - * memory space passed by arg context, so that the caller may call - * this function asynchronously through acpi_os_hotplug_execute(). - */ -void acpi_bus_hot_remove_device(void *context) -{ - struct acpi_eject_event *ej_event = context; - struct acpi_device *device = ej_event->device; - acpi_handle handle = device->handle; - int error; - - lock_device_hotplug(); - mutex_lock(&acpi_scan_lock); - - error = acpi_scan_hot_remove(device); - if (error && handle) - acpi_evaluate_hotplug_ost(handle, ej_event->event, - ACPI_OST_SC_NON_SPECIFIC_FAILURE, - NULL); + status = acpi_hotplug_execute(acpi_scan_bus_device_check, handle, type); + if (ACPI_SUCCESS(status)) + return; - mutex_unlock(&acpi_scan_lock); - unlock_device_hotplug(); - kfree(context); + err_out: + acpi_evaluate_hotplug_ost(handle, type, + ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); } -EXPORT_SYMBOL(acpi_bus_hot_remove_device); static ssize_t real_power_state_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -487,10 +466,8 @@ acpi_eject_store(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { struct acpi_device *acpi_device = to_acpi_device(d); - struct acpi_eject_event *ej_event; acpi_object_type not_used; acpi_status status; - int ret; if (!count || buf[0] != '1') return -EINVAL; @@ -503,28 +480,18 @@ acpi_eject_store(struct device *d, struct device_attribute *attr, if (ACPI_FAILURE(status) || !acpi_device->flags.ejectable) return -ENODEV; - ej_event = kmalloc(sizeof(*ej_event), GFP_KERNEL); - if (!ej_event) { - ret = -ENOMEM; - goto err_out; - } acpi_evaluate_hotplug_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); - ej_event->device = acpi_device; - ej_event->event = ACPI_OST_EC_OSPM_EJECT; get_device(&acpi_device->dev); - status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device, ej_event); + status = acpi_hotplug_execute(acpi_bus_device_eject, acpi_device, + ACPI_OST_EC_OSPM_EJECT); if (ACPI_SUCCESS(status)) return count; put_device(&acpi_device->dev); - kfree(ej_event); - ret = status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN; - - err_out: acpi_evaluate_hotplug_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); - return ret; + return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN; } static DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store); @@ -1676,7 +1643,6 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, void acpi_device_add_finalize(struct acpi_device *device) { - device->flags.match_driver = true; dev_set_uevent_suppress(&device->dev, false); kobject_uevent(&device->dev.kobj, KOBJ_ADD); } @@ -1915,8 +1881,12 @@ static acpi_status acpi_bus_device_attach(acpi_handle handle, u32 lvl_not_used, return AE_OK; ret = acpi_scan_attach_handler(device); - if (ret) - return ret > 0 ? AE_OK : AE_CTRL_DEPTH; + if (ret < 0) + return AE_CTRL_DEPTH; + + device->flags.match_driver = true; + if (ret > 0) + return AE_OK; ret = device_attach(&device->dev); return ret >= 0 ? AE_OK : AE_CTRL_DEPTH; diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index be12fbfcae10..e98018b43e2a 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -875,21 +875,17 @@ static void hotplug_event(acpi_handle handle, u32 type, void *data) put_bridge(bridge); } -static void hotplug_event_work(struct work_struct *work) +static void hotplug_event_work(void *data, u32 type) { - struct acpiphp_context *context; - struct acpi_hp_work *hp_work; + struct acpiphp_context *context = data; + acpi_handle handle = context->handle; - hp_work = container_of(work, struct acpi_hp_work, work); - context = hp_work->context; acpi_scan_lock_acquire(); - hotplug_event(hp_work->handle, hp_work->type, context); + hotplug_event(handle, type, context); acpi_scan_lock_release(); - acpi_evaluate_hotplug_ost(hp_work->handle, hp_work->type, - ACPI_OST_SC_SUCCESS, NULL); - kfree(hp_work); /* allocated in handle_hotplug_event() */ + acpi_evaluate_hotplug_ost(handle, type, ACPI_OST_SC_SUCCESS, NULL); put_bridge(context->func.parent); } @@ -940,10 +936,10 @@ static void handle_hotplug_event(acpi_handle handle, u32 type, void *data) mutex_lock(&acpiphp_context_lock); context = acpiphp_get_context(handle); - if (context) { + if (context && !WARN_ON(context->handle != handle)) { get_bridge(context->func.parent); acpiphp_put_context(context); - alloc_acpi_hp_work(handle, type, context, hotplug_event_work); + acpi_hotplug_execute(hotplug_event_work, context, type); mutex_unlock(&acpiphp_context_lock); return; } diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 15100f625e65..89c60b0f6408 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -339,20 +339,6 @@ struct acpi_bus_event { u32 data; }; -struct acpi_eject_event { - struct acpi_device *device; - u32 event; -}; - -struct acpi_hp_work { - struct work_struct work; - acpi_handle handle; - u32 type; - void *context; -}; -void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context, - void (*func)(struct work_struct *work)); - extern struct kobject *acpi_kobj; extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); void acpi_bus_private_data_handler(acpi_handle, void *); @@ -391,7 +377,6 @@ int acpi_scan_add_handler(struct acpi_scan_handler *handler); int acpi_bus_register_driver(struct acpi_driver *driver); void acpi_bus_unregister_driver(struct acpi_driver *driver); int acpi_bus_scan(acpi_handle handle); -void acpi_bus_hot_remove_device(void *context); void acpi_bus_trim(struct acpi_device *start); acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); int acpi_match_device_ids(struct acpi_device *device, @@ -399,6 +384,9 @@ int acpi_match_device_ids(struct acpi_device *device, int acpi_create_dir(struct acpi_device *); void acpi_remove_dir(struct acpi_device *); +typedef void (*acpi_hp_callback)(void *data, u32 src); + +acpi_status acpi_hotplug_execute(acpi_hp_callback func, void *data, u32 src); /** * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index ab57930794a5..28f4f4dba0b6 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -243,9 +243,6 @@ void acpi_os_gpe_count(u32 gpe_number); void acpi_os_fixed_event_count(u32 fixed_event_number); -acpi_status -acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context); - #endif /* __KERNEL__ */ #endif /* __ACLINUX_H__ */ |