204 	int err;  in ds_send_control_cmd()  local
206 	err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),  in ds_send_control_cmd()
208 	if (err < 0) {  in ds_send_control_cmd()
210 				value, index, err);  in ds_send_control_cmd()
211 		return err;  in ds_send_control_cmd()
214 	return err;  in ds_send_control_cmd()
219 	int err;  in ds_send_control_mode()  local
221 	err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),  in ds_send_control_mode()
223 	if (err < 0) {  in ds_send_control_mode()
225 				value, index, err);  in ds_send_control_mode()
226 		return err;  in ds_send_control_mode()
229 	return err;  in ds_send_control_mode()
234 	int err;  in ds_send_control()  local
236 	err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),  in ds_send_control()
238 	if (err < 0) {  in ds_send_control()
240 				value, index, err);  in ds_send_control()
241 		return err;  in ds_send_control()
244 	return err;  in ds_send_control()
250 	int count, err;  in ds_recv_status_nodump()  local
255 	err = usb_interrupt_msg(dev->udev, usb_rcvintpipe(dev->udev,  in ds_recv_status_nodump()
257 	if (err < 0) {  in ds_recv_status_nodump()
259 		       dev->ep[EP_STATUS], err);  in ds_recv_status_nodump()
260 		return err;  in ds_recv_status_nodump()
346 	int count, err;  in ds_recv_data()  local
359 	err = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]),  in ds_recv_data()
361 	if (err < 0) {  in ds_recv_data()
370 		return err;  in ds_recv_data()
388 	int count, err;  in ds_send_data()  local
391 …err = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, dev->ep[EP_DATA_OUT]), buf, len, &count, …  in ds_send_data()
392 	if (err < 0) {  in ds_send_data()
394 			"err=%d.\n", dev->ep[EP_DATA_OUT], err);  in ds_send_data()
395 		return err;  in ds_send_data()
398 	return err;  in ds_send_data()
406 	int count = 0, err = 0;
410 		err = ds_send_control(dev, CTL_HALT_EXE_IDLE, 0);
411 		if (err)
413 		err = ds_send_control(dev, CTL_RESUME_EXE, 0);
414 		if (err)
416 		err = ds_recv_status_nodump(dev, &st, buf, sizeof(buf));
417 		if (err)
421 			err = ds_send_control_mode(dev, MOD_PULSE_EN, 0);
422 			if (err)
427 	return err;
432 	int err;
434 	err = ds_send_control_cmd(dev, CTL_RESET_DEVICE, 0);
435 	if (err)
436 		return err;
438 	err = ds_send_control(dev, COMM_SET_DURATION | COMM_IM, 0);
439 	if (err)
440 		return err;
442 	err = ds_send_control(dev, COMM_SET_DURATION | COMM_IM | COMM_TYPE, 0x40);
443 	if (err)
444 		return err;
446 	err = ds_send_control_mode(dev, MOD_PULSE_EN, PULSE_PROG);
447 	if (err)
448 		return err;
450 	err = ds_dump_status(dev, st);
452 	return err;
460 	int err, count = 0;  in ds_wait_status()  local
464 		err = ds_recv_status_nodump(dev, st, buf, sizeof(buf));  in ds_wait_status()
466 		if (err >= 0) {  in ds_wait_status()
468 			printk("0x%x: count=%d, status: ", dev->ep[EP_STATUS], err);  in ds_wait_status()
469 			for (i=0; i<err; ++i)  in ds_wait_status()
474 	} while (!(st->status & ST_IDLE) && !(err < 0) && ++count < 100);  in ds_wait_status()
476 	if (err >= 16 && st->status & ST_EPOF) {  in ds_wait_status()
487 	if (err > 16 || count >= 100 || err < 0)  in ds_wait_status()
488 		ds_dump_status(dev, buf, err);  in ds_wait_status()
494 	if (count >= 100 || err < 0)  in ds_wait_status()
502 	int err;  in ds_reset()  local
513 	err = ds_send_control(dev, COMM_1_WIRE_RESET | COMM_IM, SPEED_NORMAL);  in ds_reset()
514 	if (err)  in ds_reset()
515 		return err;  in ds_reset()
523 	int err;
533 	err = ds_send_control_mode(dev, MOD_1WIRE_SPEED, speed);
534 	if (err)
535 		return err;
537 	return err;
543 	int err = 0;  in ds_set_pullup()  local
556 		return err;  in ds_set_pullup()
558 	err = ds_send_control(dev, COMM_SET_DURATION | COMM_IM, del);  in ds_set_pullup()
559 	if (err)  in ds_set_pullup()
560 		return err;  in ds_set_pullup()
564 	return err;  in ds_set_pullup()
569 	int err;  in ds_touch_bit()  local
572 	err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | (bit ? COMM_D : 0),  in ds_touch_bit()
574 	if (err)  in ds_touch_bit()
575 		return err;  in ds_touch_bit()
579 	err = ds_recv_data(dev, tbit, sizeof(*tbit));  in ds_touch_bit()
580 	if (err < 0)  in ds_touch_bit()
581 		return err;  in ds_touch_bit()
589 	int err;
596 	err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | COMM_ICP |
598 	if (err)
599 		return err;
609 	int err;  in ds_write_byte()  local
613 	err = ds_send_control(dev, COMM_BYTE_IO | COMM_IM | dev->spu_bit, byte);  in ds_write_byte()
614 	if (err)  in ds_write_byte()
615 		return err;  in ds_write_byte()
620 	err = ds_wait_status(dev, &st);  in ds_write_byte()
621 	if (err)  in ds_write_byte()
622 		return err;  in ds_write_byte()
624 	err = ds_recv_data(dev, &rbyte, sizeof(rbyte));  in ds_write_byte()
625 	if (err < 0)  in ds_write_byte()
626 		return err;  in ds_write_byte()
633 	int err;  in ds_read_byte()  local
636 	err = ds_send_control(dev, COMM_BYTE_IO | COMM_IM , 0xff);  in ds_read_byte()
637 	if (err)  in ds_read_byte()
638 		return err;  in ds_read_byte()
642 	err = ds_recv_data(dev, byte, sizeof(*byte));  in ds_read_byte()
643 	if (err < 0)  in ds_read_byte()
644 		return err;  in ds_read_byte()
652 	int err;  in ds_read_block()  local
659 	err = ds_send_data(dev, buf, len);  in ds_read_block()
660 	if (err < 0)  in ds_read_block()
661 		return err;  in ds_read_block()
663 	err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM, len);  in ds_read_block()
664 	if (err)  in ds_read_block()
665 		return err;  in ds_read_block()
670 	err = ds_recv_data(dev, buf, len);  in ds_read_block()
672 	return err;  in ds_read_block()
677 	int err;  in ds_write_block()  local
680 	err = ds_send_data(dev, buf, len);  in ds_write_block()
681 	if (err < 0)  in ds_write_block()
682 		return err;  in ds_write_block()
684 	err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM | dev->spu_bit, len);  in ds_write_block()
685 	if (err)  in ds_write_block()
686 		return err;  in ds_write_block()
693 	err = ds_recv_data(dev, buf, len);  in ds_write_block()
694 	if (err < 0)  in ds_write_block()
695 		return err;  in ds_write_block()
697 	return !(err == len);  in ds_write_block()
712 	int err;  in ds9490r_search()  local
761 			err = ds_recv_data(dev, (u8 *)buf, sizeof(buf));  in ds9490r_search()
762 			if (err < 0)  in ds9490r_search()
764 			for (i = 0; i < err/8; ++i) {  in ds9490r_search()
802 	int err;
805 	err = ds_send_data(dev, (unsigned char *)&init, sizeof(init));
806 	if (err)
807 		return err;
811 	err = ds_send_control(dev, COMM_MATCH_ACCESS | COMM_IM | COMM_RST, 0x0055);
812 	if (err)
813 		return err;
822 	int err;
829 	err = ds_send_data(dev, buf, sizeof(buf));
830 	if (err)
831 		return err;
835 	err = ds_send_control(dev, COMM_SET_PATH | COMM_IM | COMM_RST, 0);
836 	if (err)
837 		return err;
868 	int err;
871 	err = ds_touch_bit(dev, 1, &bit);
872 	if (err)
889 	int err;  in ds9490r_read_byte()  local
892 	err = ds_read_byte(dev, &byte);  in ds9490r_read_byte()
893 	if (err)  in ds9490r_read_byte()
909 	int err;  in ds9490r_read_block()  local
911 	err = ds_read_block(dev, buf, len);  in ds9490r_read_block()
912 	if (err < 0)  in ds9490r_read_block()
921 	int err;  in ds9490r_reset()  local
923 	err = ds_reset(dev);  in ds9490r_reset()
924 	if (err)  in ds9490r_reset()
990 	int i, err, alt;  in ds_probe()  local
999 		err = -ENOMEM;  in ds_probe()
1006 	err = usb_reset_configuration(dev->udev);  in ds_probe()
1007 	if (err) {  in ds_probe()
1009 			"Failed to reset configuration: err=%d.\n", err);  in ds_probe()
1015 	err = usb_set_interface(dev->udev,  in ds_probe()
1017 	if (err) {  in ds_probe()
1020 			intf->altsetting[alt].desc.bInterfaceNumber, err);  in ds_probe()
1028 		err = -EINVAL;  in ds_probe()
1048 	err = ds_w1_init(dev);  in ds_probe()
1049 	if (err)  in ds_probe()
1063 	return err;  in ds_probe()