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);
380 static struct usb_request *get_empty_request(struct f_midi2_usb_ep *usb_ep)  in get_empty_request()  argument
386 	spin_lock_irqsave(&usb_ep->card->queue_lock, flags);  in get_empty_request()
387 	if (!usb_ep->free_reqs)  in get_empty_request()
389 	index = find_first_bit(&usb_ep->free_reqs, usb_ep->num_reqs);  in get_empty_request()
390 	if (index >= usb_ep->num_reqs)  in get_empty_request()
392 	req = usb_ep->reqs[index].req;  in get_empty_request()
395 	clear_bit(index, &usb_ep->free_reqs);  in get_empty_request()
398 	spin_unlock_irqrestore(&usb_ep->card->queue_lock, flags);  in get_empty_request()
408 	spin_lock_irqsave(&ctx->usb_ep->card->queue_lock, flags);  in put_empty_request()
409 	set_bit(ctx->index, &ctx->usb_ep->free_reqs);  in put_empty_request()
410 	spin_unlock_irqrestore(&ctx->usb_ep->card->queue_lock, flags);  in put_empty_request()
423 	req->complete = ctx->usb_ep->complete;  in queue_request_ep_raw()
424 	err = usb_ep_queue(ctx->usb_ep->usb_ep, req, GFP_ATOMIC);  in queue_request_ep_raw()
443 	struct f_midi2_usb_ep *usb_ep = &ep->ep_in;  in reply_ep_in()  local
446 	req = get_empty_request(usb_ep);  in reply_ep_in()
498 	struct f_midi2_usb_ep *usb_ep = &ep->ep_in;  in reply_ump_stream_string()  local
506 	req = get_empty_request(usb_ep);  in reply_ump_stream_string()
673 static void f_midi2_ep_out_complete(struct usb_ep *usb_ep,  in f_midi2_ep_out_complete()  argument
677 	struct f_midi2_ep *ep = ctx->usb_ep->ep;  in f_midi2_ep_out_complete()
683 		    usb_ep->name, status, req->actual, req->length);  in f_midi2_ep_out_complete()
709 	struct f_midi2_usb_ep *usb_ep = &ep->ep_in;  in process_ump_transmit()  local
714 	if (!usb_ep->usb_ep->enabled)  in process_ump_transmit()
718 		req = get_empty_request(usb_ep);  in process_ump_transmit()
735 static void f_midi2_ep_in_complete(struct usb_ep *usb_ep,  in f_midi2_ep_in_complete()  argument
739 	struct f_midi2_ep *ep = ctx->usb_ep->ep;  in f_midi2_ep_in_complete()
747 		    usb_ep->name, status, req->actual, req->length);  in f_midi2_ep_in_complete()
973 	struct f_midi2_usb_ep *usb_ep = &midi2->midi1_ep_in;  in process_midi1_transmit()  local
982 	if (!usb_ep->usb_ep || !usb_ep->usb_ep->enabled)  in process_midi1_transmit()
987 			req = get_empty_request(usb_ep);  in process_midi1_transmit()
1020 static void f_midi2_midi1_ep_in_complete(struct usb_ep *usb_ep,  in f_midi2_midi1_ep_in_complete()  argument
1024 	struct f_midi2 *midi2 = ctx->usb_ep->card;  in f_midi2_midi1_ep_in_complete()
1031 		    usb_ep->name, status, req->actual, req->length);  in f_midi2_midi1_ep_in_complete()
1039 static void f_midi2_midi1_ep_out_complete(struct usb_ep *usb_ep,  in f_midi2_midi1_ep_out_complete()  argument
1043 	struct f_midi2 *midi2 = ctx->usb_ep->card;  in f_midi2_midi1_ep_out_complete()
1055 		    usb_ep->name, status, req->actual, req->length);  in f_midi2_midi1_ep_out_complete()
1094 static int f_midi2_start_ep(struct f_midi2_usb_ep *usb_ep,  in f_midi2_start_ep()  argument
1099 	if (!usb_ep->usb_ep)  in f_midi2_start_ep()
1102 	usb_ep_disable(usb_ep->usb_ep);  in f_midi2_start_ep()
1103 	err = config_ep_by_speed(usb_ep->card->gadget, fn, usb_ep->usb_ep);  in f_midi2_start_ep()
1106 	return usb_ep_enable(usb_ep->usb_ep);  in f_midi2_start_ep()
1110 static void f_midi2_drop_reqs(struct f_midi2_usb_ep *usb_ep)  in f_midi2_drop_reqs()  argument
1114 	if (!usb_ep->usb_ep || !usb_ep->num_reqs)  in f_midi2_drop_reqs()
1117 	for (i = 0; i < usb_ep->num_reqs; i++) {  in f_midi2_drop_reqs()
1118 		if (!test_bit(i, &usb_ep->free_reqs) && usb_ep->reqs[i].req) {  in f_midi2_drop_reqs()
1119 			usb_ep_dequeue(usb_ep->usb_ep, usb_ep->reqs[i].req);  in f_midi2_drop_reqs()
1120 			set_bit(i, &usb_ep->free_reqs);  in f_midi2_drop_reqs()
1126 static int f_midi2_alloc_ep_reqs(struct f_midi2_usb_ep *usb_ep)  in f_midi2_alloc_ep_reqs()  argument
1128 	struct f_midi2 *midi2 = usb_ep->card;  in f_midi2_alloc_ep_reqs()
1131 	if (!usb_ep->usb_ep)  in f_midi2_alloc_ep_reqs()
1133 	if (!usb_ep->reqs)  in f_midi2_alloc_ep_reqs()
1137 		if (usb_ep->reqs[i].req)  in f_midi2_alloc_ep_reqs()
1139 		usb_ep->reqs[i].req = alloc_ep_req(usb_ep->usb_ep,  in f_midi2_alloc_ep_reqs()
1141 		if (!usb_ep->reqs[i].req)  in f_midi2_alloc_ep_reqs()
1143 		usb_ep->reqs[i].req->context = &usb_ep->reqs[i];  in f_midi2_alloc_ep_reqs()
1149 static void f_midi2_free_ep_reqs(struct f_midi2_usb_ep *usb_ep)  in f_midi2_free_ep_reqs()  argument
1151 	struct f_midi2 *midi2 = usb_ep->card;  in f_midi2_free_ep_reqs()
1155 		if (!usb_ep->reqs[i].req)  in f_midi2_free_ep_reqs()
1157 		free_ep_req(usb_ep->usb_ep, usb_ep->reqs[i].req);  in f_midi2_free_ep_reqs()
1158 		usb_ep->reqs[i].req = NULL;  in f_midi2_free_ep_reqs()
1164 			   struct f_midi2_usb_ep *usb_ep,  in f_midi2_init_ep()  argument
1166 			   void (*complete)(struct usb_ep *usb_ep,  in f_midi2_init_ep()  argument
1171 	usb_ep->card = midi2;  in f_midi2_init_ep()
1172 	usb_ep->ep = ep;  in f_midi2_init_ep()
1173 	usb_ep->usb_ep = usb_ep_autoconfig(midi2->gadget, desc);  in f_midi2_init_ep()
1174 	if (!usb_ep->usb_ep)  in f_midi2_init_ep()
1176 	usb_ep->complete = complete;  in f_midi2_init_ep()
1178 	usb_ep->reqs = kcalloc(midi2->info.num_reqs, sizeof(*usb_ep->reqs),  in f_midi2_init_ep()
1180 	if (!usb_ep->reqs)  in f_midi2_init_ep()
1183 		usb_ep->reqs[i].index = i;  in f_midi2_init_ep()
1184 		usb_ep->reqs[i].usb_ep = usb_ep;  in f_midi2_init_ep()
1185 		set_bit(i, &usb_ep->free_reqs);  in f_midi2_init_ep()
1186 		usb_ep->num_reqs++;  in f_midi2_init_ep()
1193 static void f_midi2_free_ep(struct f_midi2_usb_ep *usb_ep)  in f_midi2_free_ep()  argument
1195 	f_midi2_drop_reqs(usb_ep);  in f_midi2_free_ep()
1197 	f_midi2_free_ep_reqs(usb_ep);  in f_midi2_free_ep()
1199 	kfree(usb_ep->reqs);  in f_midi2_free_ep()
1200 	usb_ep->num_reqs = 0;  in f_midi2_free_ep()
1201 	usb_ep->free_reqs = 0;  in f_midi2_free_ep()
1202 	usb_ep->reqs = NULL;  in f_midi2_free_ep()
1206 static void f_midi2_queue_out_reqs(struct f_midi2_usb_ep *usb_ep)  in f_midi2_queue_out_reqs()  argument
1210 	if (!usb_ep->usb_ep)  in f_midi2_queue_out_reqs()
1213 	for (i = 0; i < usb_ep->num_reqs; i++) {  in f_midi2_queue_out_reqs()
1214 		if (!test_bit(i, &usb_ep->free_reqs) || !usb_ep->reqs[i].req)  in f_midi2_queue_out_reqs()
1216 		usb_ep->reqs[i].req->complete = usb_ep->complete;  in f_midi2_queue_out_reqs()
1217 		err = usb_ep_queue(usb_ep->usb_ep, usb_ep->reqs[i].req,  in f_midi2_queue_out_reqs()
1220 			clear_bit(i, &usb_ep->free_reqs);  in f_midi2_queue_out_reqs()