1 // SPDX-License-Identifier: GPL-2.0-or-later
8 #define pr_fmt(fmt)     "opal-powercap: " fmt
35 	struct opal_msg msg;  in powercap_show()  local
49 	ret = opal_get_powercap(pcap_attr->handle, token, (u32 *)__pa(&pcap));  in powercap_show()
52 		ret = opal_async_wait_response(token, &msg);  in powercap_show()
55 			ret = -EIO;  in powercap_show()
58 		ret = opal_error_code(opal_get_async_rc(msg));  in powercap_show()
62 				ret = -EIO;  in powercap_show()
68 			ret = -EIO;  in powercap_show()
87 	struct opal_msg msg;  in powercap_store()  local
105 	ret = opal_set_powercap(pcap_attr->handle, token, pcap);  in powercap_store()
108 		ret = opal_async_wait_response(token, &msg);  in powercap_store()
111 			ret = -EIO;  in powercap_store()
114 		ret = opal_error_code(opal_get_async_rc(msg));  in powercap_store()
135 	attr->handle = handle;  in powercap_add_attr()
136 	sysfs_attr_init(&attr->attr.attr);  in powercap_add_attr()
137 	attr->attr.attr.name = name;  in powercap_add_attr()
138 	attr->attr.attr.mode = 0444;  in powercap_add_attr()
139 	attr->attr.show = powercap_show;  in powercap_add_attr()
147 	powercap = of_find_compatible_node(NULL, NULL, "ibm,opal-powercap");  in opal_powercap_init()
166 		u32 cur, min, max;  in opal_powercap_init()  local
170 		if (!of_property_read_u32(node, "powercap-min", &min)) {  in opal_powercap_init()
175 		if (!of_property_read_u32(node, "powercap-max", &max)) {  in opal_powercap_init()
180 		if (!of_property_read_u32(node, "powercap-current", &cur)) {  in opal_powercap_init()
206 			powercap_add_attr(min, "powercap-min",  in opal_powercap_init()
213 			powercap_add_attr(max, "powercap-max",  in opal_powercap_init()
220 			powercap_add_attr(cur, "powercap-current",  in opal_powercap_init()
240 	while (--i >= 0) {  in opal_powercap_init()