1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (C) ST-Ericsson SA 2011
5  * Author: Lee Jones <lee.jones@linaro.org> for ST-Ericsson.
36 static DEVICE_ATTR(machine,		0444, soc_info_show,  NULL);
44 	return &soc_dev->dev;  in soc_device_to_device()
54 	if ((attr == &dev_attr_machine.attr) && soc_dev->attr->machine)  in soc_attribute_mode()
55 		return attr->mode;  in soc_attribute_mode()
56 	if ((attr == &dev_attr_family.attr) && soc_dev->attr->family)  in soc_attribute_mode()
57 		return attr->mode;  in soc_attribute_mode()
58 	if ((attr == &dev_attr_revision.attr) && soc_dev->attr->revision)  in soc_attribute_mode()
59 		return attr->mode;  in soc_attribute_mode()
60 	if ((attr == &dev_attr_serial_number.attr) && soc_dev->attr->serial_number)  in soc_attribute_mode()
61 		return attr->mode;  in soc_attribute_mode()
62 	if ((attr == &dev_attr_soc_id.attr) && soc_dev->attr->soc_id)  in soc_attribute_mode()
63 		return attr->mode;  in soc_attribute_mode()
76 		output = soc_dev->attr->machine;  in soc_info_show()
78 		output = soc_dev->attr->family;  in soc_info_show()
80 		output = soc_dev->attr->revision;  in soc_info_show()
82 		output = soc_dev->attr->serial_number;  in soc_info_show()
84 		output = soc_dev->attr->soc_id;  in soc_info_show()
86 		return -EINVAL;  in soc_info_show()
109 	ida_free(&soc_ida, soc_dev->soc_dev_num);  in soc_release()
110 	kfree(soc_dev->dev.groups);  in soc_release()
118 	if (soc_dev_attr->machine)  in soc_device_get_machine()
122 	of_property_read_string(np, "model", &soc_dev_attr->machine);  in soc_device_get_machine()
138 			return ERR_PTR(-EBUSY);  in soc_device_register()
145 		ret = -ENOMEM;  in soc_device_register()
151 		ret = -ENOMEM;  in soc_device_register()
155 	soc_attr_groups[1] = soc_dev_attr->custom_attr_group;  in soc_device_register()
161 	soc_dev->soc_dev_num = ret;  in soc_device_register()
163 	soc_dev->attr = soc_dev_attr;  in soc_device_register()
164 	soc_dev->dev.bus = &soc_bus_type;  in soc_device_register()
165 	soc_dev->dev.groups = soc_attr_groups;  in soc_device_register()
166 	soc_dev->dev.release = soc_release;  in soc_device_register()
168 	dev_set_name(&soc_dev->dev, "soc%d", soc_dev->soc_dev_num);  in soc_device_register()
170 	ret = device_register(&soc_dev->dev);  in soc_device_register()
172 		put_device(&soc_dev->dev);  in soc_device_register()
187 /* Ensure soc_dev->attr is freed after calling soc_device_unregister. */
190 	device_unregister(&soc_dev->dev);  in soc_device_unregister()
214 	if (match->machine &&  in soc_device_match_attr()
215 	    (!attr->machine || !glob_match(match->machine, attr->machine)))  in soc_device_match_attr()
218 	if (match->family &&  in soc_device_match_attr()
219 	    (!attr->family || !glob_match(match->family, attr->family)))  in soc_device_match_attr()
222 	if (match->revision &&  in soc_device_match_attr()
223 	    (!attr->revision || !glob_match(match->revision, attr->revision)))  in soc_device_match_attr()
226 	if (match->soc_id &&  in soc_device_match_attr()
227 	    (!attr->soc_id || !glob_match(match->soc_id, attr->soc_id)))  in soc_device_match_attr()
237 	return soc_device_match_attr(soc_dev->attr, arg);  in soc_device_match_one()
241  * soc_device_match - identify the SoC in the machine
242  * @matches: zero-terminated array of possible matches
266 	while (matches->machine || matches->family || matches->revision ||  in soc_device_match()
267 	       matches->soc_id) {  in soc_device_match()