217 	struct urb *write_urb;	/* write URB for this port */
218 	struct urb *read_urb;	/* read URB for this port */
230 	struct urb *control_urb;
236 	struct urb *write_urb_pool[NUM_URBS];
244 	struct urb *led_urb;
448 static void mos7840_control_callback(struct urb *urb)  in mos7840_control_callback()  argument
452 	struct device *dev = &urb->dev->dev;  in mos7840_control_callback()
454 	int status = urb->status;  in mos7840_control_callback()
456 	mos7840_port = urb->context;  in mos7840_control_callback()
473 	dev_dbg(dev, "%s urb buffer size is %d\n", __func__, urb->actual_length);  in mos7840_control_callback()
476 	data = urb->transfer_buffer;  in mos7840_control_callback()
515 static void mos7840_set_led_callback(struct urb *urb)  in mos7840_set_led_callback()  argument
517 	switch (urb->status) {  in mos7840_set_led_callback()
525 		dev_dbg(&urb->dev->dev, "%s - urb shutting down: %d\n",  in mos7840_set_led_callback()
526 			__func__, urb->status);  in mos7840_set_led_callback()
529 		dev_dbg(&urb->dev->dev, "%s - nonzero urb status: %d\n",  in mos7840_set_led_callback()
530 			__func__, urb->status);  in mos7840_set_led_callback()
596 static void mos7840_interrupt_callback(struct urb *urb)  in mos7840_interrupt_callback()  argument
607 	int status = urb->status;  in mos7840_interrupt_callback()
617 		dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n",  in mos7840_interrupt_callback()
621 		dev_dbg(&urb->dev->dev, "%s - nonzero urb status received: %d\n",  in mos7840_interrupt_callback()
626 	length = urb->actual_length;  in mos7840_interrupt_callback()
627 	data = urb->transfer_buffer;  in mos7840_interrupt_callback()
629 	serial = urb->context;  in mos7840_interrupt_callback()
639 		dev_dbg(&urb->dev->dev, "%s", "Wrong data !!!\n");  in mos7840_interrupt_callback()
654 				dev_dbg(&urb->dev->dev, "SP%d No Interrupt !!!\n", i);  in mos7840_interrupt_callback()
658 					dev_dbg(&urb->dev->dev, "Serial Port %d: Receiver status error or \n", i);  in mos7840_interrupt_callback()
659 					dev_dbg(&urb->dev->dev, "address bit detected in 9-bit mode\n");  in mos7840_interrupt_callback()
664 					dev_dbg(&urb->dev->dev, "Serial Port %d: Modem status change\n", i);  in mos7840_interrupt_callback()
677 	result = usb_submit_urb(urb, GFP_ATOMIC);  in mos7840_interrupt_callback()
679 		dev_err(&urb->dev->dev,  in mos7840_interrupt_callback()
737 static void mos7840_bulk_in_callback(struct urb *urb)  in mos7840_bulk_in_callback()  argument
744 	int status = urb->status;  in mos7840_bulk_in_callback()
746 	mos7840_port = urb->context;  in mos7840_bulk_in_callback()
751 		dev_dbg(&urb->dev->dev, "nonzero read bulk status received: %d\n", status);  in mos7840_bulk_in_callback()
768 	data = urb->transfer_buffer;  in mos7840_bulk_in_callback()
769 	usb_serial_debug_data(&port->dev, __func__, urb->actual_length, data);  in mos7840_bulk_in_callback()
771 	if (urb->actual_length) {  in mos7840_bulk_in_callback()
773 		tty_insert_flip_string(tport, data, urb->actual_length);  in mos7840_bulk_in_callback()
775 		port->icount.rx += urb->actual_length;  in mos7840_bulk_in_callback()
803 static void mos7840_bulk_out_data_callback(struct urb *urb)  in mos7840_bulk_out_data_callback()  argument
807 	int status = urb->status;  in mos7840_bulk_out_data_callback()
810 	mos7840_port = urb->context;  in mos7840_bulk_out_data_callback()
814 		if (urb == mos7840_port->write_urb_pool[i]) {  in mos7840_bulk_out_data_callback()
850 	struct urb *urb;  in mos7840_open()  local
876 		urb = usb_alloc_urb(0, GFP_KERNEL);  in mos7840_open()
877 		mos7840_port->write_urb_pool[j] = urb;  in mos7840_open()
878 		if (!urb)  in mos7840_open()
881 		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,  in mos7840_open()
883 		if (!urb->transfer_buffer) {  in mos7840_open()
884 			usb_free_urb(urb);  in mos7840_open()
1105 		urb = mos7840_port->write_urb_pool[j];  in mos7840_open()
1106 		if (!urb)  in mos7840_open()
1108 		kfree(urb->transfer_buffer);  in mos7840_open()
1109 		usb_free_urb(urb);  in mos7840_open()
1142 			struct urb *urb = mos7840_port->write_urb_pool[i];  in mos7840_chars_in_buffer()  local
1143 			chars += urb->transfer_buffer_length;  in mos7840_chars_in_buffer()
1307 	struct urb *urb;  in mos7840_write()  local
1324 	urb = NULL;  in mos7840_write()
1330 			urb = mos7840_port->write_urb_pool[i];  in mos7840_write()
1337 	if (urb == NULL) {  in mos7840_write()
1342 	if (urb->transfer_buffer == NULL) {  in mos7840_write()
1343 		urb->transfer_buffer =  in mos7840_write()
1345 		if (!urb->transfer_buffer)  in mos7840_write()
1350 	memcpy(urb->transfer_buffer, current_position, transfer_size);  in mos7840_write()
1354 		usb_fill_bulk_urb(urb,  in mos7840_write()
1358 			urb->transfer_buffer,  in mos7840_write()
1362 		usb_fill_bulk_urb(urb,  in mos7840_write()
1366 			urb->transfer_buffer,  in mos7840_write()
1371 	data1 = urb->transfer_buffer;  in mos7840_write()
1378 	status = usb_submit_urb(urb, GFP_ATOMIC);  in mos7840_write()