504 static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg,  in mos7840_get_reg()  argument
507 	struct usb_device *dev = mcs->port->serial->dev;  in mos7840_get_reg()
508 	struct usb_ctrlrequest *dr = mcs->dr;  in mos7840_get_reg()
509 	unsigned char *buffer = mcs->ctrl_buf;  in mos7840_get_reg()
512 	if (test_and_set_bit_lock(MOS7840_FLAG_CTRL_BUSY, &mcs->flags))  in mos7840_get_reg()
521 	usb_fill_control_urb(mcs->control_urb, dev, usb_rcvctrlpipe(dev, 0),  in mos7840_get_reg()
523 			     mos7840_control_callback, mcs);  in mos7840_get_reg()
524 	mcs->control_urb->transfer_buffer_length = 2;  in mos7840_get_reg()
525 	ret = usb_submit_urb(mcs->control_urb, GFP_ATOMIC);  in mos7840_get_reg()
527 		clear_bit_unlock(MOS7840_FLAG_CTRL_BUSY, &mcs->flags);  in mos7840_get_reg()
551 static void mos7840_set_led_async(struct moschip_port *mcs, __u16 wval,  in mos7840_set_led_async()  argument
554 	struct usb_device *dev = mcs->port->serial->dev;  in mos7840_set_led_async()
555 	struct usb_ctrlrequest *dr = mcs->led_dr;  in mos7840_set_led_async()
563 	usb_fill_control_urb(mcs->led_urb, dev, usb_sndctrlpipe(dev, 0),  in mos7840_set_led_async()
566 	usb_submit_urb(mcs->led_urb, GFP_ATOMIC);  in mos7840_set_led_async()
580 	struct moschip_port *mcs = (struct moschip_port *) arg;  in mos7840_led_off()  local
583 	mos7840_set_led_async(mcs, 0x0300, MODEM_CONTROL_REGISTER);  in mos7840_led_off()
584 	mod_timer(&mcs->led_timer2,  in mos7840_led_off()
590 	struct moschip_port *mcs = (struct moschip_port *) arg;  in mos7840_led_flag_off()  local
592 	clear_bit_unlock(MOS7840_FLAG_LED_BUSY, &mcs->flags);  in mos7840_led_flag_off()