1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * PowerNV OPAL Sensor-groups interface
8 #define pr_fmt(fmt)     "opal-sensor-groups: " fmt
45 			ret = -EIO;  in sensor_group_enable()
72 		return -EINVAL;  in sg_store()
84 	ret = opal_sensor_group_clear(sattr->handle, token);  in sg_store()
90 			ret = -EIO;  in sg_store()
122 	attr->handle = handle;  in add_attr()
123 	sysfs_attr_init(&attr->attr.attr);  in add_attr()
124 	attr->attr.attr.name = ops_info[index].attr_name;  in add_attr()
125 	attr->attr.attr.mode = 0220;  in add_attr()
126 	attr->attr.store = ops_info[index].store;  in add_attr()
138 				add_attr(handle, &sg->sgattrs[count], j);  in add_attr_group()
139 				sg->sg.attrs[count] =  in add_attr_group()
140 					&sg->sgattrs[count].attr.attr;  in add_attr_group()
144 	return sysfs_create_group(sg_kobj, &sg->sg);  in add_attr_group()
162 	struct device_node *sg, *node;  in opal_sensor_groups_init()  local
165 	sg = of_find_compatible_node(NULL, NULL, "ibm,opal-sensor-group");  in opal_sensor_groups_init()
167 		pr_devel("Sensor groups node not found\n");  in opal_sensor_groups_init()
177 		pr_warn("Failed to create sensor group kobject\n");  in opal_sensor_groups_init()
181 	for_each_child_of_node(sg, node) {  in opal_sensor_groups_init()
185 		ops = of_get_property(node, "ops", &len);  in opal_sensor_groups_init()
207 		if (of_property_read_u32(node, "sensor-group-id", &sgid)) {  in opal_sensor_groups_init()
208 			pr_warn("sensor-group-id property not found\n");  in opal_sensor_groups_init()
212 		if (!of_property_read_u32(node, "ibm,chip-id", &chipid))  in opal_sensor_groups_init()
213 			sprintf(sgs[i].name, "%pOFn%d", node, chipid);  in opal_sensor_groups_init()
215 			sprintf(sgs[i].name, "%pOFn", node);  in opal_sensor_groups_init()
219 			pr_warn("Failed to create sensor attribute group %s\n",  in opal_sensor_groups_init()
230 	while (--i >= 0) {  in opal_sensor_groups_init()
235 	of_node_put(node);  in opal_sensor_groups_init()