210 	req->zero     = len < le16_to_cpu(ffs->ev.setup.wLength);  in __ffs_ep0_queue_wait()
212 	spin_unlock_irq(&ffs->ev.waitq.lock);  in __ffs_ep0_queue_wait()
243 	if (ffs->ev.can_stall) {  in __ffs_ep0_stall()
328 		spin_lock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_write()
343 		if (!(ffs->ev.setup.bRequestType & USB_DIR_IN)) {  in ffs_ep0_write()
344 			spin_unlock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_write()
350 		len = min(len, (size_t)le16_to_cpu(ffs->ev.setup.wLength));  in ffs_ep0_write()
352 		spin_unlock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_write()
360 		spin_lock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_write()
378 			spin_unlock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_write()
404 	struct usb_functionfs_event events[ARRAY_SIZE(ffs->ev.types)];  in __ffs_ep0_read_events()
411 		events[i].type = ffs->ev.types[i];  in __ffs_ep0_read_events()
413 			events[i].u.setup = ffs->ev.setup;  in __ffs_ep0_read_events()
418 	ffs->ev.count -= n;  in __ffs_ep0_read_events()
419 	if (ffs->ev.count)  in __ffs_ep0_read_events()
420 		memmove(ffs->ev.types, ffs->ev.types + n,  in __ffs_ep0_read_events()
421 			ffs->ev.count * sizeof *ffs->ev.types);  in __ffs_ep0_read_events()
423 	spin_unlock_irq(&ffs->ev.waitq.lock);  in __ffs_ep0_read_events()
458 	spin_lock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_read()
472 		if ((file->f_flags & O_NONBLOCK) && !ffs->ev.count) {  in ffs_ep0_read()
477 		if (wait_event_interruptible_exclusive_locked_irq(ffs->ev.waitq,  in ffs_ep0_read()
478 							ffs->ev.count)) {  in ffs_ep0_read()
484 					     min(n, (size_t)ffs->ev.count));  in ffs_ep0_read()
487 		if (ffs->ev.setup.bRequestType & USB_DIR_IN) {  in ffs_ep0_read()
488 			spin_unlock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_read()
493 		len = min(len, (size_t)le16_to_cpu(ffs->ev.setup.wLength));  in ffs_ep0_read()
495 		spin_unlock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_read()
505 		spin_lock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_read()
525 	spin_unlock_irq(&ffs->ev.waitq.lock);  in ffs_ep0_read()
584 	poll_wait(file, &ffs->ev.waitq, wait);  in ffs_ep0_poll()
599 			if (ffs->ev.count)  in ffs_ep0_poll()
1406 		BUG_ON(waitqueue_active(&ffs->ev.waitq) ||  in ffs_data_put()
1453 	init_waitqueue_head(&ffs->ev.waitq);  in ffs_data_new()
1457 	ffs->ev.can_stall = 1;  in ffs_data_new()
1502 	ffs->ev.count = 0;  in ffs_data_reset()
2422 		u8 *ev  = ffs->ev.types, *out = ev;  in __ffs_event_add()  local
2423 		unsigned n = ffs->ev.count;  in __ffs_event_add()
2424 		for (; n; --n, ++ev)  in __ffs_event_add()
2425 			if ((*ev == rem_type1 || *ev == rem_type2) == neg)  in __ffs_event_add()
2426 				*out++ = *ev;  in __ffs_event_add()
2428 				pr_vdebug("purging event %d\n", *ev);  in __ffs_event_add()
2429 		ffs->ev.count = out - ffs->ev.types;  in __ffs_event_add()
2433 	ffs->ev.types[ffs->ev.count++] = type;  in __ffs_event_add()
2434 	wake_up_locked(&ffs->ev.waitq);  in __ffs_event_add()
2443 	spin_lock_irqsave(&ffs->ev.waitq.lock, flags);  in ffs_event_add()
2445 	spin_unlock_irqrestore(&ffs->ev.waitq.lock, flags);  in ffs_event_add()
3007 	spin_lock_irqsave(&ffs->ev.waitq.lock, flags);  in ffs_func_setup()
3008 	ffs->ev.setup = *creq;  in ffs_func_setup()
3009 	ffs->ev.setup.wIndex = cpu_to_le16(ret);  in ffs_func_setup()
3011 	spin_unlock_irqrestore(&ffs->ev.waitq.lock, flags);  in ffs_func_setup()