131 struct usblp {  struct
168 static void usblp_dump(struct usblp *usblp)  in usblp_dump()  argument
170 	struct device *dev = &usblp->intf->dev;  in usblp_dump()
173 	dev_dbg(dev, "usblp=0x%p\n", usblp);  in usblp_dump()
174 	dev_dbg(dev, "dev=0x%p\n", usblp->dev);  in usblp_dump()
175 	dev_dbg(dev, "present=%d\n", usblp->present);  in usblp_dump()
176 	dev_dbg(dev, "readbuf=0x%p\n", usblp->readbuf);  in usblp_dump()
177 	dev_dbg(dev, "readcount=%d\n", usblp->readcount);  in usblp_dump()
178 	dev_dbg(dev, "ifnum=%d\n", usblp->ifnum);  in usblp_dump()
181 			usblp->protocol[p].alt_setting);  in usblp_dump()
183 			usblp->protocol[p].epwrite);  in usblp_dump()
185 			usblp->protocol[p].epread);  in usblp_dump()
187 	dev_dbg(dev, "current_protocol=%d\n", usblp->current_protocol);  in usblp_dump()
188 	dev_dbg(dev, "minor=%d\n", usblp->minor);  in usblp_dump()
189 	dev_dbg(dev, "wstatus=%d\n", usblp->wstatus);  in usblp_dump()
190 	dev_dbg(dev, "rstatus=%d\n", usblp->rstatus);  in usblp_dump()
191 	dev_dbg(dev, "quirks=%d\n", usblp->quirks);  in usblp_dump()
192 	dev_dbg(dev, "used=%d\n", usblp->used);  in usblp_dump()
193 	dev_dbg(dev, "bidir=%d\n", usblp->bidir);  in usblp_dump()
195 		usblp->device_id_string ?  in usblp_dump()
196 			usblp->device_id_string + 2 :  in usblp_dump()
233 static int usblp_wwait(struct usblp *usblp, int nonblock);
234 static int usblp_wtest(struct usblp *usblp, int nonblock);
235 static int usblp_rwait_and_lock(struct usblp *usblp, int nonblock);
236 static int usblp_rtest(struct usblp *usblp, int nonblock);
237 static int usblp_submit_read(struct usblp *usblp);
238 static int usblp_select_alts(struct usblp *usblp);
239 static int usblp_set_protocol(struct usblp *usblp, int protocol);
240 static int usblp_cache_device_id_string(struct usblp *usblp);
250 static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, int recip, int value…  in usblp_ctrl_msg()  argument
253 	int index = usblp->ifnum;  in usblp_ctrl_msg()
259 		index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting;  in usblp_ctrl_msg()
261 	retval = usb_control_msg(usblp->dev,  in usblp_ctrl_msg()
262 		dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0),  in usblp_ctrl_msg()
264 	dev_dbg(&usblp->intf->dev,  in usblp_ctrl_msg()
270 #define usblp_read_status(usblp, status)\  argument
271 …usblp_ctrl_msg(usblp, USBLP_REQ_GET_STATUS, USB_TYPE_CLASS, USB_DIR_IN, USB_RECIP_INTERFACE, 0, st…
272 #define usblp_get_id(usblp, config, id, maxlen)\  argument
273 …usblp_ctrl_msg(usblp, USBLP_REQ_GET_ID, USB_TYPE_CLASS, USB_DIR_IN, USB_RECIP_INTERFACE, config, i…
274 #define usblp_reset(usblp)\  argument
275 	usblp_ctrl_msg(usblp, USBLP_REQ_RESET, USB_TYPE_CLASS, USB_DIR_OUT, USB_RECIP_OTHER, 0, NULL, 0)
277 #define usblp_hp_channel_change_request(usblp, channel, buffer) \  argument
278 …usblp_ctrl_msg(usblp, USBLP_REQ_HP_CHANNEL_CHANGE_REQUEST, USB_TYPE_VENDOR, USB_DIR_IN, USB_RECIP_…
293 	struct usblp *usblp = urb->context;  in usblp_bulk_read()  local
297 	if (usblp->present && usblp->used) {  in usblp_bulk_read()
301 			    usblp->minor, status);  in usblp_bulk_read()
303 	spin_lock_irqsave(&usblp->lock, flags);  in usblp_bulk_read()
305 		usblp->rstatus = status;  in usblp_bulk_read()
307 		usblp->rstatus = urb->actual_length;  in usblp_bulk_read()
308 	usblp->rcomplete = 1;  in usblp_bulk_read()
309 	wake_up(&usblp->rwait);  in usblp_bulk_read()
310 	spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_bulk_read()
317 	struct usblp *usblp = urb->context;  in usblp_bulk_write()  local
321 	if (usblp->present && usblp->used) {  in usblp_bulk_write()
325 			    usblp->minor, status);  in usblp_bulk_write()
327 	spin_lock_irqsave(&usblp->lock, flags);  in usblp_bulk_write()
329 		usblp->wstatus = status;  in usblp_bulk_write()
331 		usblp->wstatus = urb->actual_length;  in usblp_bulk_write()
332 	usblp->no_paper = 0;  in usblp_bulk_write()
333 	usblp->wcomplete = 1;  in usblp_bulk_write()
334 	wake_up(&usblp->wwait);  in usblp_bulk_write()
335 	spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_bulk_write()
346 static int usblp_check_status(struct usblp *usblp, int err)  in usblp_check_status()  argument
351 	mutex_lock(&usblp->mut);  in usblp_check_status()
352 	if ((error = usblp_read_status(usblp, usblp->statusbuf)) < 0) {  in usblp_check_status()
353 		mutex_unlock(&usblp->mut);  in usblp_check_status()
356 				usblp->minor, error);  in usblp_check_status()
359 	status = *usblp->statusbuf;  in usblp_check_status()
360 	mutex_unlock(&usblp->mut);  in usblp_check_status()
371 		   usblp->minor, usblp_messages[newerr]);  in usblp_check_status()
377 static int handle_bidir(struct usblp *usblp)  in handle_bidir()  argument
379 	if (usblp->bidir && usblp->used) {  in handle_bidir()
380 		if (usblp_submit_read(usblp) < 0)  in handle_bidir()
393 	struct usblp *usblp;  in usblp_open()  local
406 	usblp = usb_get_intfdata(intf);  in usblp_open()
407 	if (!usblp || !usblp->dev || !usblp->present)  in usblp_open()
411 	if (usblp->used)  in usblp_open()
423 	usblp->used = 1;  in usblp_open()
424 	file->private_data = usblp;  in usblp_open()
426 	usblp->wcomplete = 1; /* we begin writeable */  in usblp_open()
427 	usblp->wstatus = 0;  in usblp_open()
428 	usblp->rcomplete = 0;  in usblp_open()
430 	if (handle_bidir(usblp) < 0) {  in usblp_open()
432 		usblp->used = 0;  in usblp_open()
441 static void usblp_cleanup(struct usblp *usblp)  in usblp_cleanup()  argument
443 	printk(KERN_INFO "usblp%d: removed\n", usblp->minor);  in usblp_cleanup()
445 	kfree(usblp->readbuf);  in usblp_cleanup()
446 	kfree(usblp->device_id_string);  in usblp_cleanup()
447 	kfree(usblp->statusbuf);  in usblp_cleanup()
448 	usb_put_intf(usblp->intf);  in usblp_cleanup()
449 	kfree(usblp);  in usblp_cleanup()
452 static void usblp_unlink_urbs(struct usblp *usblp)  in usblp_unlink_urbs()  argument
454 	usb_kill_anchored_urbs(&usblp->urbs);  in usblp_unlink_urbs()
459 	struct usblp *usblp = file->private_data;  in usblp_release()  local
461 	usblp->flags &= ~LP_ABORT;  in usblp_release()
464 	usblp->used = 0;  in usblp_release()
465 	if (usblp->present)  in usblp_release()
466 		usblp_unlink_urbs(usblp);  in usblp_release()
468 	usb_autopm_put_interface(usblp->intf);  in usblp_release()
470 	if (!usblp->present)		/* finish cleanup from disconnect */  in usblp_release()
471 		usblp_cleanup(usblp);	/* any URBs must be dead */  in usblp_release()
483 	struct usblp *usblp = file->private_data;  in usblp_poll()  local
485 	poll_wait(file, &usblp->rwait, wait);  in usblp_poll()
486 	poll_wait(file, &usblp->wwait, wait);  in usblp_poll()
487 	spin_lock_irqsave(&usblp->lock, flags);  in usblp_poll()
488 	ret = ((usblp->bidir && usblp->rcomplete) ? EPOLLIN  | EPOLLRDNORM : 0) |  in usblp_poll()
489 	   ((usblp->no_paper || usblp->wcomplete) ? EPOLLOUT | EPOLLWRNORM : 0);  in usblp_poll()
490 	spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_poll()
496 	struct usblp *usblp = file->private_data;  in usblp_ioctl()  local
503 	mutex_lock(&usblp->mut);  in usblp_ioctl()
504 	if (!usblp->present) {  in usblp_ioctl()
509 	dev_dbg(&usblp->intf->dev,  in usblp_ioctl()
523 			length = usblp_cache_device_id_string(usblp);  in usblp_ioctl()
532 					usblp->device_id_string,  in usblp_ioctl()
547 			twoints[0] = usblp->current_protocol;  in usblp_ioctl()
551 				if (usblp->protocol[i].alt_setting >= 0)  in usblp_ioctl()
572 				usblp_dump(usblp);  in usblp_ioctl()
577 			usblp_unlink_urbs(usblp);  in usblp_ioctl()
578 			retval = usblp_set_protocol(usblp, arg);  in usblp_ioctl()
580 				usblp_set_protocol(usblp,  in usblp_ioctl()
581 					usblp->current_protocol);  in usblp_ioctl()
587 			    le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 ||  in usblp_ioctl()
588 			    usblp->quirks & USBLP_QUIRK_BIDIR) {  in usblp_ioctl()
593 			err = usblp_hp_channel_change_request(usblp,  in usblp_ioctl()
596 				dev_err(&usblp->dev->dev,  in usblp_ioctl()
599 					usblp->minor, err);  in usblp_ioctl()
604 			dev_dbg(&usblp->intf->dev,  in usblp_ioctl()
606 				usblp->minor, arg, newChannel);  in usblp_ioctl()
616 			twoints[0] = usblp->dev->bus->busnum;  in usblp_ioctl()
617 			twoints[1] = usblp->dev->devnum;  in usblp_ioctl()
625 			dev_dbg(&usblp->intf->dev,  in usblp_ioctl()
627 				usblp->minor, twoints[0], twoints[1]);  in usblp_ioctl()
637 			twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor);  in usblp_ioctl()
638 			twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct);  in usblp_ioctl()
646 			dev_dbg(&usblp->intf->dev,  in usblp_ioctl()
648 				usblp->minor, twoints[0], twoints[1]);  in usblp_ioctl()
656 			retval = usblp_reset(usblp);  in usblp_ioctl()
665 			retval = usblp_read_status(usblp, usblp->statusbuf);  in usblp_ioctl()
669 					    usblp->minor, retval);  in usblp_ioctl()
673 			status = *usblp->statusbuf;  in usblp_ioctl()
680 				usblp->flags |= LP_ABORT;  in usblp_ioctl()
682 				usblp->flags &= ~LP_ABORT;  in usblp_ioctl()
690 	mutex_unlock(&usblp->mut);  in usblp_ioctl()
694 static struct urb *usblp_new_writeurb(struct usblp *usblp, int transfer_length)  in usblp_new_writeurb()  argument
708 	usb_fill_bulk_urb(urb, usblp->dev,  in usblp_new_writeurb()
709 		usb_sndbulkpipe(usblp->dev,  in usblp_new_writeurb()
710 		 usblp->protocol[usblp->current_protocol].epwrite->bEndpointAddress),  in usblp_new_writeurb()
711 		writebuf, transfer_length, usblp_bulk_write, usblp);  in usblp_new_writeurb()
719 	struct usblp *usblp = file->private_data;  in usblp_write()  local
725 	if (mutex_lock_interruptible(&usblp->wmut)) {  in usblp_write()
729 	if ((rv = usblp_wwait(usblp, !!(file->f_flags & O_NONBLOCK))) < 0)  in usblp_write()
740 		writeurb = usblp_new_writeurb(usblp, transfer_length);  in usblp_write()
743 		usb_anchor_urb(writeurb, &usblp->urbs);  in usblp_write()
751 		spin_lock_irq(&usblp->lock);  in usblp_write()
752 		usblp->wcomplete = 0;  in usblp_write()
753 		spin_unlock_irq(&usblp->lock);  in usblp_write()
755 			usblp->wstatus = 0;  in usblp_write()
756 			spin_lock_irq(&usblp->lock);  in usblp_write()
757 			usblp->no_paper = 0;  in usblp_write()
758 			usblp->wcomplete = 1;  in usblp_write()
759 			wake_up(&usblp->wwait);  in usblp_write()
760 			spin_unlock_irq(&usblp->lock);  in usblp_write()
769 		rv = usblp_wwait(usblp, !!(file->f_flags&O_NONBLOCK));  in usblp_write()
776 				spin_lock_irq(&usblp->lock);  in usblp_write()
777 				usblp->no_paper = 1;	/* Mark for poll(2) */  in usblp_write()
778 				spin_unlock_irq(&usblp->lock);  in usblp_write()
785 		if (usblp->wstatus < 0) {  in usblp_write()
793 		writecount += usblp->wstatus;  in usblp_write()
796 	mutex_unlock(&usblp->wmut);  in usblp_write()
806 	mutex_unlock(&usblp->wmut);  in usblp_write()
818 	struct usblp *usblp = file->private_data;  in usblp_read()  local
823 	if (!usblp->bidir)  in usblp_read()
826 	rv = usblp_rwait_and_lock(usblp, !!(file->f_flags & O_NONBLOCK));  in usblp_read()
830 	if (!usblp->present) {  in usblp_read()
835 	if ((avail = usblp->rstatus) < 0) {  in usblp_read()
837 		    usblp->minor, (int)avail);  in usblp_read()
838 		usblp_submit_read(usblp);  in usblp_read()
843 	count = len < avail - usblp->readcount ? len : avail - usblp->readcount;  in usblp_read()
845 	    copy_to_user(buffer, usblp->readbuf + usblp->readcount, count)) {  in usblp_read()
850 	if ((usblp->readcount += count) == avail) {  in usblp_read()
851 		if (usblp_submit_read(usblp) < 0) {  in usblp_read()
860 	mutex_unlock(&usblp->mut);  in usblp_read()
875 static int usblp_wwait(struct usblp *usblp, int nonblock)  in usblp_wwait()  argument
881 	add_wait_queue(&usblp->wwait, &waita);  in usblp_wwait()
883 		if (mutex_lock_interruptible(&usblp->mut)) {  in usblp_wwait()
888 		rc = usblp_wtest(usblp, nonblock);  in usblp_wwait()
889 		mutex_unlock(&usblp->mut);  in usblp_wwait()
894 			if (usblp->flags & LP_ABORT) {  in usblp_wwait()
895 				err = usblp_check_status(usblp, err);  in usblp_wwait()
902 				mutex_lock(&usblp->mut);  in usblp_wwait()
903 				usblp_read_status(usblp, usblp->statusbuf);  in usblp_wwait()
904 				mutex_unlock(&usblp->mut);  in usblp_wwait()
909 	remove_wait_queue(&usblp->wwait, &waita);  in usblp_wwait()
913 static int usblp_wtest(struct usblp *usblp, int nonblock)  in usblp_wtest()  argument
917 	if (!usblp->present)  in usblp_wtest()
921 	spin_lock_irqsave(&usblp->lock, flags);  in usblp_wtest()
922 	if (usblp->wcomplete) {  in usblp_wtest()
923 		spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_wtest()
926 	spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_wtest()
939 static int usblp_rwait_and_lock(struct usblp *usblp, int nonblock)  in usblp_rwait_and_lock()  argument
944 	add_wait_queue(&usblp->rwait, &waita);  in usblp_rwait_and_lock()
946 		if (mutex_lock_interruptible(&usblp->mut)) {  in usblp_rwait_and_lock()
951 		if ((rc = usblp_rtest(usblp, nonblock)) < 0) {  in usblp_rwait_and_lock()
952 			mutex_unlock(&usblp->mut);  in usblp_rwait_and_lock()
957 		mutex_unlock(&usblp->mut);  in usblp_rwait_and_lock()
961 	remove_wait_queue(&usblp->rwait, &waita);  in usblp_rwait_and_lock()
965 static int usblp_rtest(struct usblp *usblp, int nonblock)  in usblp_rtest()  argument
969 	if (!usblp->present)  in usblp_rtest()
973 	spin_lock_irqsave(&usblp->lock, flags);  in usblp_rtest()
974 	if (usblp->rcomplete) {  in usblp_rtest()
975 		spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_rtest()
978 	spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_rtest()
987 static int usblp_submit_read(struct usblp *usblp)  in usblp_submit_read()  argument
998 	usb_fill_bulk_urb(urb, usblp->dev,  in usblp_submit_read()
999 		usb_rcvbulkpipe(usblp->dev,  in usblp_submit_read()
1000 		  usblp->protocol[usblp->current_protocol].epread->bEndpointAddress),  in usblp_submit_read()
1001 		usblp->readbuf, USBLP_BUF_SIZE_IN,  in usblp_submit_read()
1002 		usblp_bulk_read, usblp);  in usblp_submit_read()
1003 	usb_anchor_urb(urb, &usblp->urbs);  in usblp_submit_read()
1005 	spin_lock_irqsave(&usblp->lock, flags);  in usblp_submit_read()
1006 	usblp->readcount = 0; /* XXX Why here? */  in usblp_submit_read()
1007 	usblp->rcomplete = 0;  in usblp_submit_read()
1008 	spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_submit_read()
1010 		dev_dbg(&usblp->intf->dev, "error submitting urb (%d)\n", rc);  in usblp_submit_read()
1011 		spin_lock_irqsave(&usblp->lock, flags);  in usblp_submit_read()
1012 		usblp->rstatus = rc;  in usblp_submit_read()
1013 		usblp->rcomplete = 1;  in usblp_submit_read()
1014 		spin_unlock_irqrestore(&usblp->lock, flags);  in usblp_submit_read()
1083 	struct usblp *usblp = usb_get_intfdata(intf);  in ieee1284_id_show()  local
1085 	if (usblp->device_id_string[0] == 0 &&  in ieee1284_id_show()
1086 	    usblp->device_id_string[1] == 0)  in ieee1284_id_show()
1089 	return sprintf(buf, "%s", usblp->device_id_string+2);  in ieee1284_id_show()
1098 ATTRIBUTE_GROUPS(usblp);
1104 	struct usblp *usblp;  in usblp_probe()  local
1110 	usblp = kzalloc(sizeof(struct usblp), GFP_KERNEL);  in usblp_probe()
1111 	if (!usblp) {  in usblp_probe()
1115 	usblp->dev = dev;  in usblp_probe()
1116 	mutex_init(&usblp->wmut);  in usblp_probe()
1117 	mutex_init(&usblp->mut);  in usblp_probe()
1118 	spin_lock_init(&usblp->lock);  in usblp_probe()
1119 	init_waitqueue_head(&usblp->rwait);  in usblp_probe()
1120 	init_waitqueue_head(&usblp->wwait);  in usblp_probe()
1121 	init_usb_anchor(&usblp->urbs);  in usblp_probe()
1122 	usblp->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;  in usblp_probe()
1123 	usblp->intf = usb_get_intf(intf);  in usblp_probe()
1128 	if (!(usblp->device_id_string = kmalloc(USBLP_DEVICE_ID_SIZE, GFP_KERNEL))) {  in usblp_probe()
1138 	if (!(usblp->readbuf = kmalloc(USBLP_BUF_SIZE_IN, GFP_KERNEL))) {  in usblp_probe()
1144 	usblp->statusbuf = kmalloc(STATUS_BUF_SIZE, GFP_KERNEL);  in usblp_probe()
1145 	if (!usblp->statusbuf) {  in usblp_probe()
1151 	usblp->quirks = usblp_quirks(  in usblp_probe()
1156 	protocol = usblp_select_alts(usblp);  in usblp_probe()
1167 	if (usblp_set_protocol(usblp, protocol) < 0) {  in usblp_probe()
1173 	usblp_cache_device_id_string(usblp);  in usblp_probe()
1176 	usblp_check_status(usblp, 0);  in usblp_probe()
1179 	usb_set_intfdata(intf, usblp);  in usblp_probe()
1181 	usblp->present = 1;  in usblp_probe()
1190 	usblp->minor = intf->minor;  in usblp_probe()
1193 		usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum,  in usblp_probe()
1194 		usblp->ifnum,  in usblp_probe()
1195 		usblp->protocol[usblp->current_protocol].alt_setting,  in usblp_probe()
1196 		usblp->current_protocol,  in usblp_probe()
1197 		le16_to_cpu(usblp->dev->descriptor.idVendor),  in usblp_probe()
1198 		le16_to_cpu(usblp->dev->descriptor.idProduct));  in usblp_probe()
1205 	kfree(usblp->readbuf);  in usblp_probe()
1206 	kfree(usblp->statusbuf);  in usblp_probe()
1207 	kfree(usblp->device_id_string);  in usblp_probe()
1208 	usb_put_intf(usblp->intf);  in usblp_probe()
1209 	kfree(usblp);  in usblp_probe()
1237 static int usblp_select_alts(struct usblp *usblp)  in usblp_select_alts()  argument
1245 	if_alt = usblp->intf;  in usblp_select_alts()
1248 		usblp->protocol[p].alt_setting = -1;  in usblp_select_alts()
1256 			if (!(usblp->quirks & USBLP_QUIRK_BAD_CLASS))  in usblp_select_alts()
1277 		if (usblp->quirks & USBLP_QUIRK_BIDIR) {  in usblp_select_alts()
1280 			    usblp->minor);  in usblp_select_alts()
1284 		usblp->protocol[ifd->desc.bInterfaceProtocol].alt_setting =  in usblp_select_alts()
1286 		usblp->protocol[ifd->desc.bInterfaceProtocol].epwrite = epwrite;  in usblp_select_alts()
1287 		usblp->protocol[ifd->desc.bInterfaceProtocol].epread = epread;  in usblp_select_alts()
1293 	    usblp->protocol[proto_bias].alt_setting != -1)  in usblp_select_alts()
1297 	if (usblp->protocol[2].alt_setting != -1)  in usblp_select_alts()
1299 	if (usblp->protocol[1].alt_setting != -1)  in usblp_select_alts()
1301 	if (usblp->protocol[3].alt_setting != -1)  in usblp_select_alts()
1308 static int usblp_set_protocol(struct usblp *usblp, int protocol)  in usblp_set_protocol()  argument
1315 	alts = usblp->protocol[protocol].alt_setting;  in usblp_set_protocol()
1318 	r = usb_set_interface(usblp->dev, usblp->ifnum, alts);  in usblp_set_protocol()
1321 			alts, usblp->ifnum);  in usblp_set_protocol()
1325 	usblp->bidir = (usblp->protocol[protocol].epread != NULL);  in usblp_set_protocol()
1326 	usblp->current_protocol = protocol;  in usblp_set_protocol()
1327 	dev_dbg(&usblp->intf->dev, "usblp%d set protocol %d\n",  in usblp_set_protocol()
1328 		usblp->minor, protocol);  in usblp_set_protocol()
1335 static int usblp_cache_device_id_string(struct usblp *usblp)  in usblp_cache_device_id_string()  argument
1339 	err = usblp_get_id(usblp, 0, usblp->device_id_string, USBLP_DEVICE_ID_SIZE - 1);  in usblp_cache_device_id_string()
1341 		dev_dbg(&usblp->intf->dev,  in usblp_cache_device_id_string()
1343 			usblp->minor, err);  in usblp_cache_device_id_string()
1344 		usblp->device_id_string[0] = usblp->device_id_string[1] = '\0';  in usblp_cache_device_id_string()
1351 	length = be16_to_cpu(*((__be16 *)usblp->device_id_string));  in usblp_cache_device_id_string()
1356 	usblp->device_id_string[length] = '\0';  in usblp_cache_device_id_string()
1358 	dev_dbg(&usblp->intf->dev, "usblp%d Device ID string [len=%d]=\"%s\"\n",  in usblp_cache_device_id_string()
1359 		usblp->minor, length, &usblp->device_id_string[2]);  in usblp_cache_device_id_string()
1366 	struct usblp *usblp = usb_get_intfdata(intf);  in usblp_disconnect()  local
1370 	if (!usblp || !usblp->dev) {  in usblp_disconnect()
1376 	mutex_lock(&usblp->mut);  in usblp_disconnect()
1377 	usblp->present = 0;  in usblp_disconnect()
1378 	wake_up(&usblp->wwait);  in usblp_disconnect()
1379 	wake_up(&usblp->rwait);  in usblp_disconnect()
1382 	usblp_unlink_urbs(usblp);  in usblp_disconnect()
1383 	mutex_unlock(&usblp->mut);  in usblp_disconnect()
1384 	usb_poison_anchored_urbs(&usblp->urbs);  in usblp_disconnect()
1386 	if (!usblp->used)  in usblp_disconnect()
1387 		usblp_cleanup(usblp);  in usblp_disconnect()
1394 	struct usblp *usblp = usb_get_intfdata(intf);  in usblp_suspend()  local
1396 	usblp_unlink_urbs(usblp);  in usblp_suspend()
1399 	wake_up(&usblp->wwait);  in usblp_suspend()
1400 	wake_up(&usblp->rwait);  in usblp_suspend()
1408 	struct usblp *usblp = usb_get_intfdata(intf);  in usblp_resume()  local
1411 	r = handle_bidir(usblp);  in usblp_resume()