260 	int ret, timeout = 20;  in c2port_poll_in_busy()  local
263 		ret = (c2port_read_ar(dev, &addr));  in c2port_poll_in_busy()
264 		if (ret < 0)  in c2port_poll_in_busy()
281 	int ret, timeout = 10000; /* erase flash needs long time... */  in c2port_poll_out_ready()  local
284 		ret = (c2port_read_ar(dev, &addr));  in c2port_poll_out_ready()
285 		if (ret < 0)  in c2port_poll_out_ready()
355 	int status, ret;  in access_store()  local
357 	ret = sscanf(buf, "%d", &status);  in access_store()
358 	if (ret != 1)  in access_store()
403 	int ret;  in __c2port_show_dev_id()  local
409 	ret = c2port_read_dr(dev, &data);  in __c2port_show_dev_id()
410 	if (ret < 0)  in __c2port_show_dev_id()
411 		return ret;  in __c2port_show_dev_id()
420 	ssize_t ret;  in c2port_show_dev_id()  local
427 	ret = __c2port_show_dev_id(c2dev, buf);  in c2port_show_dev_id()
430 	if (ret < 0)  in c2port_show_dev_id()
433 	return ret;  in c2port_show_dev_id()
440 	int ret;  in __c2port_show_rev_id()  local
446 	ret = c2port_read_dr(dev, &data);  in __c2port_show_rev_id()
447 	if (ret < 0)  in __c2port_show_rev_id()
448 		return ret;  in __c2port_show_rev_id()
457 	ssize_t ret;  in c2port_show_rev_id()  local
464 	ret = __c2port_show_rev_id(c2dev, buf);  in c2port_show_rev_id()
467 	if (ret < 0)  in c2port_show_rev_id()
470 	return ret;  in c2port_show_rev_id()
485 	int ret;  in __c2port_store_flash_access()  local
502 	ret = c2port_write_dr(dev, 0x02);  in __c2port_store_flash_access()
503 	if (ret < 0)  in __c2port_store_flash_access()
504 		return ret;  in __c2port_store_flash_access()
507 	ret = c2port_write_dr(dev, 0x01);  in __c2port_store_flash_access()
508 	if (ret < 0)  in __c2port_store_flash_access()
509 		return ret;  in __c2port_store_flash_access()
524 	ssize_t ret;  in c2port_store_flash_access()  local
526 	ret = sscanf(buf, "%d", &status);  in c2port_store_flash_access()
527 	if (ret != 1)  in c2port_store_flash_access()
531 	ret = __c2port_store_flash_access(c2dev, status);  in c2port_store_flash_access()
534 	if (ret < 0) {  in c2port_store_flash_access()
537 		return ret;  in c2port_store_flash_access()
548 	int ret;  in __c2port_write_flash_erase()  local
559 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_erase()
560 	if (ret < 0)  in __c2port_write_flash_erase()
561 		return ret;  in __c2port_write_flash_erase()
566 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_erase()
567 	if (ret < 0)  in __c2port_write_flash_erase()
568 		return ret;  in __c2port_write_flash_erase()
571 	ret = c2port_read_dr(dev, &status);  in __c2port_write_flash_erase()
572 	if (ret < 0)  in __c2port_write_flash_erase()
573 		return ret;  in __c2port_write_flash_erase()
583 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_erase()
584 	if (ret < 0)  in __c2port_write_flash_erase()
585 		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_out_ready(dev);  in __c2port_write_flash_erase()
596 	if (ret < 0)  in __c2port_write_flash_erase()
597 		return ret;  in __c2port_write_flash_erase()
607 	int ret;  in c2port_store_flash_erase()  local
614 	ret = __c2port_write_flash_erase(c2dev);  in c2port_store_flash_erase()
617 	if (ret < 0) {  in c2port_store_flash_erase()
619 		return ret;  in c2port_store_flash_erase()
631 	int i, ret;  in __c2port_read_flash_data()  local
652 	ret = c2port_poll_in_busy(dev);  in __c2port_read_flash_data()
653 	if (ret < 0)  in __c2port_read_flash_data()
654 		return ret;  in __c2port_read_flash_data()
659 	ret = c2port_poll_out_ready(dev);  in __c2port_read_flash_data()
660 	if (ret < 0)  in __c2port_read_flash_data()
661 		return ret;  in __c2port_read_flash_data()
664 	ret = c2port_read_dr(dev, &status);  in __c2port_read_flash_data()
665 	if (ret < 0)  in __c2port_read_flash_data()
666 		return ret;  in __c2port_read_flash_data()
672 	ret = c2port_poll_in_busy(dev);  in __c2port_read_flash_data()
673 	if (ret < 0)  in __c2port_read_flash_data()
674 		return ret;  in __c2port_read_flash_data()
678 	ret = c2port_poll_in_busy(dev);  in __c2port_read_flash_data()
679 	if (ret < 0)  in __c2port_read_flash_data()
680 		return ret;  in __c2port_read_flash_data()
684 	ret = c2port_poll_in_busy(dev);  in __c2port_read_flash_data()
685 	if (ret < 0)  in __c2port_read_flash_data()
686 		return ret;  in __c2port_read_flash_data()
691 	ret = c2port_poll_out_ready(dev);  in __c2port_read_flash_data()
692 	if (ret < 0)  in __c2port_read_flash_data()
693 		return ret;  in __c2port_read_flash_data()
696 	ret = c2port_read_dr(dev, &status);  in __c2port_read_flash_data()
697 	if (ret < 0)  in __c2port_read_flash_data()
698 		return ret;  in __c2port_read_flash_data()
704 		ret = c2port_poll_out_ready(dev);  in __c2port_read_flash_data()
705 		if (ret < 0)  in __c2port_read_flash_data()
706 			return ret;  in __c2port_read_flash_data()
708 		ret = c2port_read_dr(dev, buffer+i);  in __c2port_read_flash_data()
709 		if (ret < 0)  in __c2port_read_flash_data()
710 			return ret;  in __c2port_read_flash_data()
721 	ssize_t ret;  in c2port_read_flash_data()  local
728 	ret = __c2port_read_flash_data(c2dev, buffer, offset, count);  in c2port_read_flash_data()
731 	if (ret < 0)  in c2port_read_flash_data()
734 	return ret;  in c2port_read_flash_data()
742 	int i, ret;  in __c2port_write_flash_data()  local
761 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_data()
762 	if (ret < 0)  in __c2port_write_flash_data()
763 		return ret;  in __c2port_write_flash_data()
768 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_data()
769 	if (ret < 0)  in __c2port_write_flash_data()
770 		return ret;  in __c2port_write_flash_data()
773 	ret = c2port_read_dr(dev, &status);  in __c2port_write_flash_data()
774 	if (ret < 0)  in __c2port_write_flash_data()
775 		return ret;  in __c2port_write_flash_data()
781 	ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_data()
782 	if (ret < 0)  in __c2port_write_flash_data()
783 		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()
800 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_data()
801 	if (ret < 0)  in __c2port_write_flash_data()
802 		return ret;  in __c2port_write_flash_data()
805 	ret = c2port_read_dr(dev, &status);  in __c2port_write_flash_data()
806 	if (ret < 0)  in __c2port_write_flash_data()
807 		return ret;  in __c2port_write_flash_data()
813 		ret = c2port_write_dr(dev, *(buffer+i));  in __c2port_write_flash_data()
814 		if (ret < 0)  in __c2port_write_flash_data()
815 			return ret;  in __c2port_write_flash_data()
817 		ret = c2port_poll_in_busy(dev);  in __c2port_write_flash_data()
818 		if (ret < 0)  in __c2port_write_flash_data()
819 			return ret;  in __c2port_write_flash_data()
824 	ret = c2port_poll_out_ready(dev);  in __c2port_write_flash_data()
825 	if (ret < 0)  in __c2port_write_flash_data()
826 		return ret;  in __c2port_write_flash_data()
836 	int ret;  in c2port_write_flash_data()  local
843 	ret = __c2port_write_flash_data(c2dev, buffer, offset, count);  in c2port_write_flash_data()
846 	if (ret < 0)  in c2port_write_flash_data()
849 	return ret;  in c2port_write_flash_data()
895 	int ret;  in c2port_device_register()  local
908 	ret = idr_alloc(&c2port_idr, c2dev, 0, 0, GFP_NOWAIT);  in c2port_device_register()
912 	if (ret < 0)  in c2port_device_register()
914 	c2dev->id = ret;  in c2port_device_register()
921 		ret = PTR_ERR(c2dev->dev);  in c2port_device_register()
950 	return ERR_PTR(ret);  in c2port_device_register()