31 	struct f_midi2_usb_ep *usb_ep;	/* belonging USB EP */  member
40 	struct usb_ep *usb_ep;		/* assigned USB EP */  member
41 	void (*complete)(struct usb_ep *usb_ep, struct usb_request *req);
383 static struct usb_request *get_empty_request(struct f_midi2_usb_ep *usb_ep)  in get_empty_request()  argument
389 	spin_lock_irqsave(&usb_ep->card->queue_lock, flags);  in get_empty_request()
390 	if (!usb_ep->free_reqs)  in get_empty_request()
392 	index = find_first_bit(&usb_ep->free_reqs, usb_ep->num_reqs);  in get_empty_request()
393 	if (index >= usb_ep->num_reqs)  in get_empty_request()
395 	req = usb_ep->reqs[index].req;  in get_empty_request()
398 	clear_bit(index, &usb_ep->free_reqs);  in get_empty_request()
401 	spin_unlock_irqrestore(&usb_ep->card->queue_lock, flags);  in get_empty_request()
411 	spin_lock_irqsave(&ctx->usb_ep->card->queue_lock, flags);  in put_empty_request()
412 	set_bit(ctx->index, &ctx->usb_ep->free_reqs);  in put_empty_request()
413 	spin_unlock_irqrestore(&ctx->usb_ep->card->queue_lock, flags);  in put_empty_request()
426 	req->complete = ctx->usb_ep->complete;  in queue_request_ep_raw()
427 	err = usb_ep_queue(ctx->usb_ep->usb_ep, req, GFP_ATOMIC);  in queue_request_ep_raw()
446 	struct f_midi2_usb_ep *usb_ep = &ep->ep_in;  in reply_ep_in()  local
449 	req = get_empty_request(usb_ep);  in reply_ep_in()
501 	struct f_midi2_usb_ep *usb_ep = &ep->ep_in;  in reply_ump_stream_string()  local
509 	req = get_empty_request(usb_ep);  in reply_ump_stream_string()
684 static void f_midi2_ep_out_complete(struct usb_ep *usb_ep,  in f_midi2_ep_out_complete()  argument
688 	struct f_midi2_ep *ep = ctx->usb_ep->ep;  in f_midi2_ep_out_complete()
694 		    usb_ep->name, status, req->actual, req->length);  in f_midi2_ep_out_complete()
720 	struct f_midi2_usb_ep *usb_ep = &ep->ep_in;  in process_ump_transmit()  local
725 	if (!usb_ep->usb_ep->enabled)  in process_ump_transmit()
729 		req = get_empty_request(usb_ep);  in process_ump_transmit()
746 static void f_midi2_ep_in_complete(struct usb_ep *usb_ep,  in f_midi2_ep_in_complete()  argument
750 	struct f_midi2_ep *ep = ctx->usb_ep->ep;  in f_midi2_ep_in_complete()
758 		    usb_ep->name, status, req->actual, req->length);  in f_midi2_ep_in_complete()
984 	struct f_midi2_usb_ep *usb_ep = &midi2->midi1_ep_in;  in process_midi1_transmit()  local
993 	if (!usb_ep->usb_ep || !usb_ep->usb_ep->enabled)  in process_midi1_transmit()
998 			req = get_empty_request(usb_ep);  in process_midi1_transmit()
1031 static void f_midi2_midi1_ep_in_complete(struct usb_ep *usb_ep,  in f_midi2_midi1_ep_in_complete()  argument
1035 	struct f_midi2 *midi2 = ctx->usb_ep->card;  in f_midi2_midi1_ep_in_complete()
1042 		    usb_ep->name, status, req->actual, req->length);  in f_midi2_midi1_ep_in_complete()
1050 static void f_midi2_midi1_ep_out_complete(struct usb_ep *usb_ep,  in f_midi2_midi1_ep_out_complete()  argument
1054 	struct f_midi2 *midi2 = ctx->usb_ep->card;  in f_midi2_midi1_ep_out_complete()
1066 		    usb_ep->name, status, req->actual, req->length);  in f_midi2_midi1_ep_out_complete()
1106 static int f_midi2_start_ep(struct f_midi2_usb_ep *usb_ep,  in f_midi2_start_ep()  argument
1111 	if (!usb_ep->usb_ep)  in f_midi2_start_ep()
1114 	usb_ep_disable(usb_ep->usb_ep);  in f_midi2_start_ep()
1115 	err = config_ep_by_speed(usb_ep->card->gadget, fn, usb_ep->usb_ep);  in f_midi2_start_ep()
1118 	return usb_ep_enable(usb_ep->usb_ep);  in f_midi2_start_ep()
1122 static void f_midi2_drop_reqs(struct f_midi2_usb_ep *usb_ep)  in f_midi2_drop_reqs()  argument
1126 	if (!usb_ep->usb_ep || !usb_ep->num_reqs)  in f_midi2_drop_reqs()
1129 	for (i = 0; i < usb_ep->num_reqs; i++) {  in f_midi2_drop_reqs()
1130 		if (!test_bit(i, &usb_ep->free_reqs) && usb_ep->reqs[i].req) {  in f_midi2_drop_reqs()
1131 			usb_ep_dequeue(usb_ep->usb_ep, usb_ep->reqs[i].req);  in f_midi2_drop_reqs()
1132 			set_bit(i, &usb_ep->free_reqs);  in f_midi2_drop_reqs()
1138 static int f_midi2_alloc_ep_reqs(struct f_midi2_usb_ep *usb_ep)  in f_midi2_alloc_ep_reqs()  argument
1140 	struct f_midi2 *midi2 = usb_ep->card;  in f_midi2_alloc_ep_reqs()
1143 	if (!usb_ep->usb_ep)  in f_midi2_alloc_ep_reqs()
1145 	if (!usb_ep->reqs)  in f_midi2_alloc_ep_reqs()
1149 		if (usb_ep->reqs[i].req)  in f_midi2_alloc_ep_reqs()
1151 		usb_ep->reqs[i].req = alloc_ep_req(usb_ep->usb_ep,  in f_midi2_alloc_ep_reqs()
1153 		if (!usb_ep->reqs[i].req)  in f_midi2_alloc_ep_reqs()
1155 		usb_ep->reqs[i].req->context = &usb_ep->reqs[i];  in f_midi2_alloc_ep_reqs()
1161 static void f_midi2_free_ep_reqs(struct f_midi2_usb_ep *usb_ep)  in f_midi2_free_ep_reqs()  argument
1163 	struct f_midi2 *midi2 = usb_ep->card;  in f_midi2_free_ep_reqs()
1167 		if (!usb_ep->reqs[i].req)  in f_midi2_free_ep_reqs()
1169 		free_ep_req(usb_ep->usb_ep, usb_ep->reqs[i].req);  in f_midi2_free_ep_reqs()
1170 		usb_ep->reqs[i].req = NULL;  in f_midi2_free_ep_reqs()
1176 			   struct f_midi2_usb_ep *usb_ep,  in f_midi2_init_ep()  argument
1178 			   void (*complete)(struct usb_ep *usb_ep,  in f_midi2_init_ep()  argument
1183 	usb_ep->card = midi2;  in f_midi2_init_ep()
1184 	usb_ep->ep = ep;  in f_midi2_init_ep()
1185 	usb_ep->usb_ep = usb_ep_autoconfig(midi2->gadget, desc);  in f_midi2_init_ep()
1186 	if (!usb_ep->usb_ep)  in f_midi2_init_ep()
1188 	usb_ep->complete = complete;  in f_midi2_init_ep()
1190 	usb_ep->reqs = kcalloc(midi2->info.num_reqs, sizeof(*usb_ep->reqs),  in f_midi2_init_ep()
1192 	if (!usb_ep->reqs)  in f_midi2_init_ep()
1195 		usb_ep->reqs[i].index = i;  in f_midi2_init_ep()
1196 		usb_ep->reqs[i].usb_ep = usb_ep;  in f_midi2_init_ep()
1197 		set_bit(i, &usb_ep->free_reqs);  in f_midi2_init_ep()
1198 		usb_ep->num_reqs++;  in f_midi2_init_ep()
1205 static void f_midi2_free_ep(struct f_midi2_usb_ep *usb_ep)  in f_midi2_free_ep()  argument
1207 	f_midi2_drop_reqs(usb_ep);  in f_midi2_free_ep()
1209 	f_midi2_free_ep_reqs(usb_ep);  in f_midi2_free_ep()
1211 	kfree(usb_ep->reqs);  in f_midi2_free_ep()
1212 	usb_ep->num_reqs = 0;  in f_midi2_free_ep()
1213 	usb_ep->free_reqs = 0;  in f_midi2_free_ep()
1214 	usb_ep->reqs = NULL;  in f_midi2_free_ep()
1218 static void f_midi2_queue_out_reqs(struct f_midi2_usb_ep *usb_ep)  in f_midi2_queue_out_reqs()  argument
1222 	if (!usb_ep->usb_ep)  in f_midi2_queue_out_reqs()
1225 	for (i = 0; i < usb_ep->num_reqs; i++) {  in f_midi2_queue_out_reqs()
1226 		if (!test_bit(i, &usb_ep->free_reqs) || !usb_ep->reqs[i].req)  in f_midi2_queue_out_reqs()
1228 		usb_ep->reqs[i].req->complete = usb_ep->complete;  in f_midi2_queue_out_reqs()
1229 		err = usb_ep_queue(usb_ep->usb_ep, usb_ep->reqs[i].req,  in f_midi2_queue_out_reqs()
1232 			clear_bit(i, &usb_ep->free_reqs);  in f_midi2_queue_out_reqs()