misc/ibmasm/module.c

54 	struct service_processor *sp;
67 	sp = kzalloc(sizeof(struct service_processor), GFP_KERNEL);
68 	if (sp == NULL) {
74 	spin_lock_init(&sp->lock);
75 	INIT_LIST_HEAD(&sp->command_queue);
77 	pci_set_drvdata(pdev, (void *)sp);
78 	sp->dev = &pdev->dev;
79 	sp->number = pdev->bus->number;
80 	snprintf(sp->dirname, IBMASM_NAME_SIZE, "%d", sp->number);
81 	snprintf(sp->devname, IBMASM_NAME_SIZE, "%s%d", DRIVER_NAME, sp->number);
83 	result = ibmasm_event_buffer_init(sp);
85 		dev_err(sp->dev, "Failed to allocate event buffer\n");
89 	result = ibmasm_heartbeat_init(sp);
91 		dev_err(sp->dev, "Failed to allocate heartbeat command\n");
95 	sp->irq = pdev->irq;
96 	sp->base_address = pci_ioremap_bar(pdev, 0);
97 	if (!sp->base_address) {
98 		dev_err(sp->dev, "Failed to ioremap pci memory\n");
103 	result = request_irq(sp->irq, ibmasm_interrupt_handler, IRQF_SHARED, sp->devname, (void*)sp);
105 		dev_err(sp->dev, "Failed to register interrupt handler\n");
109 	enable_sp_interrupts(sp->base_address);
111 	result = ibmasm_init_remote_input_dev(sp);
113 		dev_err(sp->dev, "Failed to initialize remote queue\n");
117 	result = ibmasm_send_driver_vpd(sp);
119 		dev_err(sp->dev, "Failed to send driver VPD to service processor\n");
122 	result = ibmasm_send_os_state(sp, SYSTEM_STATE_OS_UP);
124 		dev_err(sp->dev, "Failed to send OS state to service processor\n");
127 	ibmasmfs_add_sp(sp);
129 	ibmasm_register_uart(sp);
134 	ibmasm_free_remote_input_dev(sp);
136 	disable_sp_interrupts(sp->base_address);
137 	free_irq(sp->irq, (void *)sp);
139 	iounmap(sp->base_address);
141 	ibmasm_heartbeat_exit(sp);
143 	ibmasm_event_buffer_exit(sp);
145 	kfree(sp);
156 	struct service_processor *sp = pci_get_drvdata(pdev);
159 	ibmasm_unregister_uart(sp);
161 	if (ibmasm_send_os_state(sp, SYSTEM_STATE_OS_DOWN))
164 	ibmasm_heartbeat_exit(sp);
166 	disable_sp_interrupts(sp->base_address);
168 	free_irq(sp->irq, (void *)sp);
170 	ibmasm_free_remote_input_dev(sp);
171 	iounmap(sp->base_address);
172 	ibmasm_event_buffer_exit(sp);
173 	kfree(sp);