drivers/greybus/module.c

16 	struct gb_module *module = to_gb_module(dev);
29 	for (i = 0; i < module->num_interfaces; ++i) {
30 		intf = module->interfaces[i];
41 	ret = gb_svc_intf_eject(module->hd->svc, module->module_id);
52 	struct gb_module *module = to_gb_module(dev);
54 	return sprintf(buf, "%u\n", module->module_id);
61 	struct gb_module *module = to_gb_module(dev);
63 	return sprintf(buf, "%zu\n", module->num_interfaces);
73 ATTRIBUTE_GROUPS(module);
77 	struct gb_module *module = to_gb_module(dev);
79 	trace_gb_module_release(module);
81 	kfree(module);
93 	struct gb_module *module;
96 	module = kzalloc(struct_size(module, interfaces, num_interfaces),
98 	if (!module)
101 	module->hd = hd;
102 	module->module_id = module_id;
103 	module->num_interfaces = num_interfaces;
105 	module->dev.parent = &hd->dev;
106 	module->dev.bus = &greybus_bus_type;
107 	module->dev.type = &greybus_module_type;
108 	module->dev.groups = module_groups;
109 	module->dev.dma_mask = hd->dev.dma_mask;
110 	device_initialize(&module->dev);
111 	dev_set_name(&module->dev, "%d-%u", hd->bus_id, module_id);
113 	trace_gb_module_create(module);
116 		intf = gb_interface_create(module, module_id + i);
118 			dev_err(&module->dev, "failed to create interface %u\n",
122 		module->interfaces[i] = intf;
125 	return module;
129 		gb_interface_put(module->interfaces[i]);
131 	put_device(&module->dev);
141 	struct gb_module *module = intf->module;
150 			dev_err(&module->dev,
165 		dev_err(&module->dev, "failed to enable interface %u: %d\n",
183 	if (intf->module->disconnected)
195 /* Register a module and its interfaces. */
196 int gb_module_add(struct gb_module *module)
201 	ret = device_add(&module->dev);
203 		dev_err(&module->dev, "failed to register module: %d\n", ret);
207 	trace_gb_module_add(module);
209 	for (i = 0; i < module->num_interfaces; ++i)
210 		gb_module_register_interface(module->interfaces[i]);
215 /* Deregister a module and its interfaces. */
216 void gb_module_del(struct gb_module *module)
220 	for (i = 0; i < module->num_interfaces; ++i)
221 		gb_module_deregister_interface(module->interfaces[i]);
223 	trace_gb_module_del(module);
225 	device_del(&module->dev);
228 void gb_module_put(struct gb_module *module)
232 	for (i = 0; i < module->num_interfaces; ++i)
233 		gb_interface_put(module->interfaces[i]);
235 	put_device(&module->dev);