95 	struct uss720_async_request *rq = container_of(kref, struct uss720_async_request, ref_count);  in destroy_async()  local
96 	struct parport_uss720_private *priv = rq->priv;  in destroy_async()
99 	if (likely(rq->urb))  in destroy_async()
100 		usb_free_urb(rq->urb);  in destroy_async()
101 	kfree(rq->dr);  in destroy_async()
103 	list_del_init(&rq->asynclist);  in destroy_async()
105 	kfree(rq);  in destroy_async()
113 	struct uss720_async_request *rq;  in async_complete()  local
118 	rq = urb->context;  in async_complete()
119 	priv = rq->priv;  in async_complete()
124 	} else if (rq->dr->bRequest == 3) {  in async_complete()
125 		memcpy(priv->reg, rq->reg, sizeof(priv->reg));  in async_complete()
131 		if (rq->reg[2] & rq->reg[1] & 0x10 && pp)  in async_complete()
134 	complete(&rq->compl);  in async_complete()
135 	kref_put(&rq->ref_count, destroy_async);  in async_complete()
143 	struct uss720_async_request *rq;  in submit_async_request()  local
152 	rq = kzalloc(sizeof(struct uss720_async_request), mem_flags);  in submit_async_request()
153 	if (!rq)  in submit_async_request()
155 	kref_init(&rq->ref_count);  in submit_async_request()
156 	INIT_LIST_HEAD(&rq->asynclist);  in submit_async_request()
157 	init_completion(&rq->compl);  in submit_async_request()
159 	rq->priv = priv;  in submit_async_request()
160 	rq->urb = usb_alloc_urb(0, mem_flags);  in submit_async_request()
161 	if (!rq->urb) {  in submit_async_request()
162 		kref_put(&rq->ref_count, destroy_async);  in submit_async_request()
165 	rq->dr = kmalloc(sizeof(*rq->dr), mem_flags);  in submit_async_request()
166 	if (!rq->dr) {  in submit_async_request()
167 		kref_put(&rq->ref_count, destroy_async);  in submit_async_request()
170 	rq->dr->bRequestType = requesttype;  in submit_async_request()
171 	rq->dr->bRequest = request;  in submit_async_request()
172 	rq->dr->wValue = cpu_to_le16(value);  in submit_async_request()
173 	rq->dr->wIndex = cpu_to_le16(index);  in submit_async_request()
174 	rq->dr->wLength = cpu_to_le16((request == 3) ? sizeof(rq->reg) : 0);  in submit_async_request()
175 …usb_fill_control_urb(rq->urb, usbdev, (requesttype & 0x80) ? usb_rcvctrlpipe(usbdev, 0) : usb_sndc…  in submit_async_request()
176 			     (unsigned char *)rq->dr,  in submit_async_request()
177 			     (request == 3) ? rq->reg : NULL, (request == 3) ? sizeof(rq->reg) : 0, async_complete, rq);  in submit_async_request()
180 	list_add_tail(&rq->asynclist, &priv->asynclist);  in submit_async_request()
182 	kref_get(&rq->ref_count);  in submit_async_request()
183 	ret = usb_submit_urb(rq->urb, mem_flags);  in submit_async_request()
185 		return rq;  in submit_async_request()
186 	destroy_async(&rq->ref_count);  in submit_async_request()
193 	struct uss720_async_request *rq;  in kill_all_async_requests_priv()  local
198 	list_for_each_entry(rq, &priv->asynclist, asynclist) {  in kill_all_async_requests_priv()
199 		usb_unlink_urb(rq->urb);  in kill_all_async_requests_priv()
211 	struct uss720_async_request *rq;  in get_1284_register()  local
220 	rq = submit_async_request(priv, 3, 0xc0, ((unsigned int)reg) << 8, 0, mem_flags);  in get_1284_register()
221 	if (!rq) {  in get_1284_register()
227 		kref_put(&rq->ref_count, destroy_async);  in get_1284_register()
230 	if (wait_for_completion_timeout(&rq->compl, HZ)) {  in get_1284_register()
231 		ret = rq->urb->status;  in get_1284_register()
236 		kref_put(&rq->ref_count, destroy_async);  in get_1284_register()
247 	struct uss720_async_request *rq;  in set_1284_register()  local
252 	rq = submit_async_request(priv, 4, 0x40, (((unsigned int)reg) << 8) | val, 0, mem_flags);  in set_1284_register()
253 	if (!rq) {  in set_1284_register()
258 	kref_put(&rq->ref_count, destroy_async);  in set_1284_register()