3  * PowerNV OPAL IPMI driver
8 #define pr_fmt(fmt)        "ipmi-powernv: " fmt
155 		pr_warn("unexpected IPMI message size %lld\n", size);  in ipmi_powernv_recv()
161 		pr_warn("unexpected IPMI message format (version %d)\n",  in ipmi_powernv_recv()
213 	struct ipmi_smi_powernv *ipmi;  in ipmi_powernv_probe()  local
223 	ipmi = devm_kzalloc(dev, sizeof(*ipmi), GFP_KERNEL);  in ipmi_powernv_probe()
224 	if (!ipmi)  in ipmi_powernv_probe()
227 	spin_lock_init(&ipmi->msg_lock);  in ipmi_powernv_probe()
229 	rc = of_property_read_u32(dev->of_node, "ibm,ipmi-interface-id",  in ipmi_powernv_probe()
235 	ipmi->interface_id = prop;  in ipmi_powernv_probe()
243 	ipmi->irq = irq_of_parse_and_map(dev->of_node, 0);  in ipmi_powernv_probe()
244 	if (!ipmi->irq) {  in ipmi_powernv_probe()
246 		ipmi->irq = opal_event_request(prop);  in ipmi_powernv_probe()
249 	rc = request_irq(ipmi->irq, ipmi_opal_event, IRQ_TYPE_LEVEL_HIGH,  in ipmi_powernv_probe()
250 			 "opal-ipmi", ipmi);  in ipmi_powernv_probe()
256 	ipmi->opal_msg = devm_kmalloc(dev,  in ipmi_powernv_probe()
257 			sizeof(*ipmi->opal_msg) + IPMI_MAX_MSG_LENGTH,  in ipmi_powernv_probe()
259 	if (!ipmi->opal_msg) {  in ipmi_powernv_probe()
264 	rc = ipmi_register_smi(&ipmi_powernv_smi_handlers, ipmi, dev, 0);  in ipmi_powernv_probe()
266 		dev_warn(dev, "IPMI SMI registration failed (%d)\n", rc);  in ipmi_powernv_probe()
270 	dev_set_drvdata(dev, ipmi);  in ipmi_powernv_probe()
274 	devm_kfree(dev, ipmi->opal_msg);  in ipmi_powernv_probe()
276 	free_irq(ipmi->irq, ipmi);  in ipmi_powernv_probe()
278 	irq_dispose_mapping(ipmi->irq);  in ipmi_powernv_probe()
280 	devm_kfree(dev, ipmi);  in ipmi_powernv_probe()
296 	{ .compatible = "ibm,opal-ipmi" },
303 		.name		= "ipmi-powernv",
314 MODULE_DESCRIPTION("powernv IPMI driver");