24 int gb_hd_output(struct gb_host_device *hd, void *req, u16 size, u8 cmd,  in gb_hd_output()  argument
27 	if (!hd || !hd->driver || !hd->driver->output)  in gb_hd_output()
29 	return hd->driver->output(hd, req, size, cmd, async);  in gb_hd_output()
36 	struct gb_host_device *hd = to_gb_host_device(dev);  in bus_id_show()  local
38 	return sprintf(buf, "%d\n", hd->bus_id);  in bus_id_show()
48 int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id)  in gb_hd_cport_reserve()  argument
50 	struct ida *id_map = &hd->cport_id_map;  in gb_hd_cport_reserve()
55 		dev_err(&hd->dev, "failed to reserve cport %u\n", cport_id);  in gb_hd_cport_reserve()
63 void gb_hd_cport_release_reserved(struct gb_host_device *hd, u16 cport_id)  in gb_hd_cport_release_reserved()  argument
65 	struct ida *id_map = &hd->cport_id_map;  in gb_hd_cport_release_reserved()
72 int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id,  in gb_hd_cport_allocate()  argument
75 	struct ida *id_map = &hd->cport_id_map;  in gb_hd_cport_allocate()
78 	if (hd->driver->cport_allocate)  in gb_hd_cport_allocate()
79 		return hd->driver->cport_allocate(hd, cport_id, flags);  in gb_hd_cport_allocate()
83 		ida_end = hd->num_cports;  in gb_hd_cport_allocate()
84 	} else if (cport_id < hd->num_cports) {  in gb_hd_cport_allocate()
88 		dev_err(&hd->dev, "cport %d not available\n", cport_id);  in gb_hd_cport_allocate()
96 void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id)  in gb_hd_cport_release()  argument
98 	if (hd->driver->cport_release) {  in gb_hd_cport_release()
99 		hd->driver->cport_release(hd, cport_id);  in gb_hd_cport_release()
103 	ida_simple_remove(&hd->cport_id_map, cport_id);  in gb_hd_cport_release()
108 	struct gb_host_device *hd = to_gb_host_device(dev);  in gb_hd_release()  local
110 	trace_gb_hd_release(hd);  in gb_hd_release()
112 	if (hd->svc)  in gb_hd_release()
113 		gb_svc_put(hd->svc);  in gb_hd_release()
114 	ida_simple_remove(&gb_hd_bus_id_map, hd->bus_id);  in gb_hd_release()
115 	ida_destroy(&hd->cport_id_map);  in gb_hd_release()
116 	kfree(hd);  in gb_hd_release()
129 	struct gb_host_device *hd;  in gb_hd_create()  local
137 		dev_err(parent, "mandatory hd-callbacks missing\n");  in gb_hd_create()
161 	hd = kzalloc(sizeof(*hd) + driver->hd_priv_size, GFP_KERNEL);  in gb_hd_create()
162 	if (!hd)  in gb_hd_create()
167 		kfree(hd);  in gb_hd_create()
170 	hd->bus_id = ret;  in gb_hd_create()
172 	hd->driver = driver;  in gb_hd_create()
173 	INIT_LIST_HEAD(&hd->modules);  in gb_hd_create()
174 	INIT_LIST_HEAD(&hd->connections);  in gb_hd_create()
175 	ida_init(&hd->cport_id_map);  in gb_hd_create()
176 	hd->buffer_size_max = buffer_size_max;  in gb_hd_create()
177 	hd->num_cports = num_cports;  in gb_hd_create()
179 	hd->dev.parent = parent;  in gb_hd_create()
180 	hd->dev.bus = &greybus_bus_type;  in gb_hd_create()
181 	hd->dev.type = &greybus_hd_type;  in gb_hd_create()
182 	hd->dev.groups = bus_groups;  in gb_hd_create()
183 	hd->dev.dma_mask = hd->dev.parent->dma_mask;  in gb_hd_create()
184 	device_initialize(&hd->dev);  in gb_hd_create()
185 	dev_set_name(&hd->dev, "greybus%d", hd->bus_id);  in gb_hd_create()
187 	trace_gb_hd_create(hd);  in gb_hd_create()
189 	hd->svc = gb_svc_create(hd);  in gb_hd_create()
190 	if (!hd->svc) {  in gb_hd_create()
191 		dev_err(&hd->dev, "failed to create svc\n");  in gb_hd_create()
192 		put_device(&hd->dev);  in gb_hd_create()
196 	return hd;  in gb_hd_create()
200 int gb_hd_add(struct gb_host_device *hd)  in gb_hd_add()  argument
204 	ret = device_add(&hd->dev);  in gb_hd_add()
208 	ret = gb_svc_add(hd->svc);  in gb_hd_add()
210 		device_del(&hd->dev);  in gb_hd_add()
214 	trace_gb_hd_add(hd);  in gb_hd_add()
220 void gb_hd_del(struct gb_host_device *hd)  in gb_hd_del()  argument
222 	trace_gb_hd_del(hd);  in gb_hd_del()
228 	gb_svc_del(hd->svc);  in gb_hd_del()
230 	device_del(&hd->dev);  in gb_hd_del()
234 void gb_hd_shutdown(struct gb_host_device *hd)  in gb_hd_shutdown()  argument
236 	gb_svc_del(hd->svc);  in gb_hd_shutdown()
240 void gb_hd_put(struct gb_host_device *hd)  in gb_hd_put()  argument
242 	put_device(&hd->dev);  in gb_hd_put()