264 	int ret, timeout = 20;  in c2port_poll_in_busy()  local
267 		ret = (c2port_read_ar(dev, &addr));  in c2port_poll_in_busy()
268 		if (ret < 0)  in c2port_poll_in_busy()
285 	int ret, timeout = 10000; /* erase flash needs long time... */  in c2port_poll_out_ready()  local
288 		ret = (c2port_read_ar(dev, &addr));  in c2port_poll_out_ready()
289 		if (ret < 0)  in c2port_poll_out_ready()
359 	int status, ret;  in access_store()  local
361 	ret = sscanf(buf, "%d", &status);  in access_store()
362 	if (ret != 1)  in access_store()
407 	int ret;  in __c2port_show_dev_id()  local
413 	ret = c2port_read_dr(dev, &data);  in __c2port_show_dev_id()
414 	if (ret < 0)  in __c2port_show_dev_id()
415 		return ret;  in __c2port_show_dev_id()
424 	ssize_t ret;  in c2port_show_dev_id()  local
431 	ret = __c2port_show_dev_id(c2dev, buf);  in c2port_show_dev_id()
434 	if (ret < 0)  in c2port_show_dev_id()
437 	return ret;  in c2port_show_dev_id()
444 	int ret;  in __c2port_show_rev_id()  local
450 	ret = c2port_read_dr(dev, &data);  in __c2port_show_rev_id()
451 	if (ret < 0)  in __c2port_show_rev_id()
452 		return ret;  in __c2port_show_rev_id()
461 	ssize_t ret;  in c2port_show_rev_id()  local
468 	ret = __c2port_show_rev_id(c2dev, buf);  in c2port_show_rev_id()
471 	if (ret < 0)  in c2port_show_rev_id()
474 	return ret;  in c2port_show_rev_id()
489 	int ret;  in __c2port_store_flash_access()  local
506 	ret = c2port_write_dr(dev, 0x02);  in __c2port_store_flash_access()
507 	if (ret < 0)  in __c2port_store_flash_access()
508 		return ret;  in __c2port_store_flash_access()
511 	ret = c2port_write_dr(dev, 0x01);  in __c2port_store_flash_access()
512 	if (ret < 0)  in __c2port_store_flash_access()
513 		return ret;  in __c2port_store_flash_access()
528 	ssize_t ret;  in c2port_store_flash_access()  local
530 	ret = sscanf(buf, "%d", &status);  in c2port_store_flash_access()
531 	if (ret != 1)  in c2port_store_flash_access()
535 	ret = __c2port_store_flash_access(c2dev, status);  in c2port_store_flash_access()
538 	if (ret < 0) {  in c2port_store_flash_access()
541 		return ret;  in c2port_store_flash_access()
552 	int ret;  in __c2port_write_flash_erase()  local
563 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_erase()
564 	if (ret < 0)  in __c2port_write_flash_erase()
565 		return ret;  in __c2port_write_flash_erase()
570 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_erase()
571 	if (ret < 0)  in __c2port_write_flash_erase()
572 		return ret;  in __c2port_write_flash_erase()
575 	ret = c2port_read_dr(dev, &status);  in __c2port_write_flash_erase()
576 	if (ret < 0)  in __c2port_write_flash_erase()
577 		return ret;  in __c2port_write_flash_erase()
587 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_erase()
588 	if (ret < 0)  in __c2port_write_flash_erase()
589 		return ret;  in __c2port_write_flash_erase()
591 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_erase()
592 	if (ret < 0)  in __c2port_write_flash_erase()
593 		return ret;  in __c2port_write_flash_erase()
595 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_erase()
596 	if (ret < 0)  in __c2port_write_flash_erase()
597 		return ret;  in __c2port_write_flash_erase()
599 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_erase()
600 	if (ret < 0)  in __c2port_write_flash_erase()
601 		return ret;  in __c2port_write_flash_erase()
611 	int ret;  in c2port_store_flash_erase()  local
618 	ret = __c2port_write_flash_erase(c2dev);  in c2port_store_flash_erase()
621 	if (ret < 0) {  in c2port_store_flash_erase()
623 		return ret;  in c2port_store_flash_erase()
635 	int i, ret;  in __c2port_read_flash_data()  local
656 	ret = c2port_poll_in_busy(dev);  in __c2port_read_flash_data()
657 	if (ret < 0)  in __c2port_read_flash_data()
658 		return ret;  in __c2port_read_flash_data()
663 	ret = c2port_poll_out_ready(dev);  in __c2port_read_flash_data()
664 	if (ret < 0)  in __c2port_read_flash_data()
665 		return ret;  in __c2port_read_flash_data()
668 	ret = c2port_read_dr(dev, &status);  in __c2port_read_flash_data()
669 	if (ret < 0)  in __c2port_read_flash_data()
670 		return ret;  in __c2port_read_flash_data()
676 	ret = c2port_poll_in_busy(dev);  in __c2port_read_flash_data()
677 	if (ret < 0)  in __c2port_read_flash_data()
678 		return ret;  in __c2port_read_flash_data()
682 	ret = c2port_poll_in_busy(dev);  in __c2port_read_flash_data()
683 	if (ret < 0)  in __c2port_read_flash_data()
684 		return ret;  in __c2port_read_flash_data()
688 	ret = c2port_poll_in_busy(dev);  in __c2port_read_flash_data()
689 	if (ret < 0)  in __c2port_read_flash_data()
690 		return ret;  in __c2port_read_flash_data()
695 	ret = c2port_poll_out_ready(dev);  in __c2port_read_flash_data()
696 	if (ret < 0)  in __c2port_read_flash_data()
697 		return ret;  in __c2port_read_flash_data()
700 	ret = c2port_read_dr(dev, &status);  in __c2port_read_flash_data()
701 	if (ret < 0)  in __c2port_read_flash_data()
702 		return ret;  in __c2port_read_flash_data()
708 		ret = c2port_poll_out_ready(dev);  in __c2port_read_flash_data()
709 		if (ret < 0)  in __c2port_read_flash_data()
710 			return ret;  in __c2port_read_flash_data()
712 		ret = c2port_read_dr(dev, buffer+i);  in __c2port_read_flash_data()
713 		if (ret < 0)  in __c2port_read_flash_data()
714 			return ret;  in __c2port_read_flash_data()
727 	ssize_t ret;  in c2port_read_flash_data()  local
734 	ret = __c2port_read_flash_data(c2dev, buffer, offset, count);  in c2port_read_flash_data()
737 	if (ret < 0)  in c2port_read_flash_data()
740 	return ret;  in c2port_read_flash_data()
748 	int i, ret;  in __c2port_write_flash_data()  local
767 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_data()
768 	if (ret < 0)  in __c2port_write_flash_data()
769 		return ret;  in __c2port_write_flash_data()
774 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_data()
775 	if (ret < 0)  in __c2port_write_flash_data()
776 		return ret;  in __c2port_write_flash_data()
779 	ret = c2port_read_dr(dev, &status);  in __c2port_write_flash_data()
780 	if (ret < 0)  in __c2port_write_flash_data()
781 		return ret;  in __c2port_write_flash_data()
787 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_data()
788 	if (ret < 0)  in __c2port_write_flash_data()
789 		return ret;  in __c2port_write_flash_data()
793 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_data()
794 	if (ret < 0)  in __c2port_write_flash_data()
795 		return ret;  in __c2port_write_flash_data()
799 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_data()
800 	if (ret < 0)  in __c2port_write_flash_data()
801 		return ret;  in __c2port_write_flash_data()
806 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_data()
807 	if (ret < 0)  in __c2port_write_flash_data()
808 		return ret;  in __c2port_write_flash_data()
811 	ret = c2port_read_dr(dev, &status);  in __c2port_write_flash_data()
812 	if (ret < 0)  in __c2port_write_flash_data()
813 		return ret;  in __c2port_write_flash_data()
819 		ret = c2port_write_dr(dev, *(buffer+i));  in __c2port_write_flash_data()
820 		if (ret < 0)  in __c2port_write_flash_data()
821 			return ret;  in __c2port_write_flash_data()
823 		ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_data()
824 		if (ret < 0)  in __c2port_write_flash_data()
825 			return ret;  in __c2port_write_flash_data()
830 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_data()
831 	if (ret < 0)  in __c2port_write_flash_data()
832 		return ret;  in __c2port_write_flash_data()
844 	int ret;  in c2port_write_flash_data()  local
851 	ret = __c2port_write_flash_data(c2dev, buffer, offset, count);  in c2port_write_flash_data()
854 	if (ret < 0)  in c2port_write_flash_data()
857 	return ret;  in c2port_write_flash_data()
903 	int ret;  in c2port_device_register()  local
917 	ret = idr_alloc(&c2port_idr, c2dev, 0, 0, GFP_NOWAIT);  in c2port_device_register()
921 	if (ret < 0)  in c2port_device_register()
923 	c2dev->id = ret;  in c2port_device_register()
930 		ret = PTR_ERR(c2dev->dev);  in c2port_device_register()
959 	return ERR_PTR(ret);  in c2port_device_register()