130 	struct acpi_ipmi_device *ipmi_device;  in ipmi_dev_alloc()  local
134 	ipmi_device = kzalloc(sizeof(*ipmi_device), GFP_KERNEL);  in ipmi_dev_alloc()
135 	if (!ipmi_device)  in ipmi_dev_alloc()
138 	kref_init(&ipmi_device->kref);  in ipmi_dev_alloc()
139 	INIT_LIST_HEAD(&ipmi_device->head);  in ipmi_dev_alloc()
140 	INIT_LIST_HEAD(&ipmi_device->tx_msg_list);  in ipmi_dev_alloc()
141 	spin_lock_init(&ipmi_device->tx_msg_lock);  in ipmi_dev_alloc()
142 	ipmi_device->handle = handle;  in ipmi_dev_alloc()
143 	ipmi_device->dev = get_device(dev);  in ipmi_dev_alloc()
144 	ipmi_device->ipmi_ifnum = iface;  in ipmi_dev_alloc()
147 			       ipmi_device, &user);  in ipmi_dev_alloc()
150 		kfree(ipmi_device);  in ipmi_dev_alloc()
153 	ipmi_device->user_interface = user;  in ipmi_dev_alloc()
155 	return ipmi_device;  in ipmi_dev_alloc()
158 static void ipmi_dev_release(struct acpi_ipmi_device *ipmi_device)  in ipmi_dev_release()  argument
160 	ipmi_destroy_user(ipmi_device->user_interface);  in ipmi_dev_release()
161 	put_device(ipmi_device->dev);  in ipmi_dev_release()
162 	kfree(ipmi_device);  in ipmi_dev_release()
173 static void __ipmi_dev_kill(struct acpi_ipmi_device *ipmi_device)  in __ipmi_dev_kill()  argument
175 	list_del(&ipmi_device->head);  in __ipmi_dev_kill()
176 	if (driver_data.selected_smi == ipmi_device)  in __ipmi_dev_kill()
183 	ipmi_device->dead = true;  in __ipmi_dev_kill()
188 	struct acpi_ipmi_device *ipmi_device = NULL;  in acpi_ipmi_dev_get()  local
192 		ipmi_device = driver_data.selected_smi;  in acpi_ipmi_dev_get()
193 		kref_get(&ipmi_device->kref);  in acpi_ipmi_dev_get()
197 	return ipmi_device;  in acpi_ipmi_dev_get()
200 static void acpi_ipmi_dev_put(struct acpi_ipmi_device *ipmi_device)  in acpi_ipmi_dev_put()  argument
202 	kref_put(&ipmi_device->kref, ipmi_dev_release_kref);  in acpi_ipmi_dev_put()
393 	struct acpi_ipmi_device *ipmi_device = user_msg_data;  in ipmi_msg_handler()  local
396 	struct device *dev = ipmi_device->dev;  in ipmi_msg_handler()
399 	if (msg->user != ipmi_device->user_interface) {  in ipmi_msg_handler()
402 			 msg->user, ipmi_device->user_interface);  in ipmi_msg_handler()
406 	spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);  in ipmi_msg_handler()
407 	list_for_each_entry_safe(tx_msg, temp, &ipmi_device->tx_msg_list, head) {  in ipmi_msg_handler()
414 	spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);  in ipmi_msg_handler()
456 	struct acpi_ipmi_device *ipmi_device, *temp;  in ipmi_register_bmc()  local
471 	ipmi_device = ipmi_dev_alloc(iface, smi_data.dev, handle);  in ipmi_register_bmc()
472 	if (!ipmi_device) {  in ipmi_register_bmc()
487 		driver_data.selected_smi = ipmi_device;  in ipmi_register_bmc()
488 	list_add_tail(&ipmi_device->head, &driver_data.ipmi_devices);  in ipmi_register_bmc()
496 	ipmi_dev_release(ipmi_device);  in ipmi_register_bmc()
504 	struct acpi_ipmi_device *ipmi_device, *temp;  in ipmi_bmc_gone()  local
508 	list_for_each_entry_safe(ipmi_device, temp,  in ipmi_bmc_gone()
510 		if (ipmi_device->ipmi_ifnum != iface) {  in ipmi_bmc_gone()
512 			__ipmi_dev_kill(ipmi_device);  in ipmi_bmc_gone()
523 		ipmi_flush_tx_msg(ipmi_device);  in ipmi_bmc_gone()
524 		acpi_ipmi_dev_put(ipmi_device);  in ipmi_bmc_gone()
546 	struct acpi_ipmi_device *ipmi_device;  in acpi_ipmi_space_handler()  local
563 	ipmi_device = tx_msg->device;  in acpi_ipmi_space_handler()
573 	if (ipmi_device->dead) {  in acpi_ipmi_space_handler()
578 	spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);  in acpi_ipmi_space_handler()
579 	list_add_tail(&tx_msg->head, &ipmi_device->tx_msg_list);  in acpi_ipmi_space_handler()
580 	spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);  in acpi_ipmi_space_handler()
583 	err = ipmi_request_settime(ipmi_device->user_interface,  in acpi_ipmi_space_handler()
598 	ipmi_cancel_tx_msg(ipmi_device, tx_msg);  in acpi_ipmi_space_handler()
628 	struct acpi_ipmi_device *ipmi_device;  in acpi_ipmi_exit()  local
643 		ipmi_device = list_first_entry(&driver_data.ipmi_devices,  in acpi_ipmi_exit()
646 		__ipmi_dev_kill(ipmi_device);  in acpi_ipmi_exit()
649 		ipmi_flush_tx_msg(ipmi_device);  in acpi_ipmi_exit()
650 		acpi_ipmi_dev_put(ipmi_device);  in acpi_ipmi_exit()