148 	int err = 0;  in spu_write()  local
174 	err = spi_sync(card->spi, &m);  in spu_write()
176 	return err;  in spu_write()
202 	int err = 0;  in spu_read()  local
245 	err = spi_sync(card->spi, &m);  in spu_read()
247 	return err;  in spu_read()
269 	int err;  in spu_read_u32()  local
271 	err = spu_read(card, reg, (u8 *)&buf, sizeof(buf));  in spu_read_u32()
272 	if (!err)  in spu_read_u32()
274 	return err;  in spu_read_u32()
289 	int err;  in spu_wait_for_u16()  local
293 		err = spu_read_u16(card, reg, &val);  in spu_wait_for_u16()
294 		if (err)  in spu_wait_for_u16()
295 			return err;  in spu_wait_for_u16()
318 	int err, try;  in spu_wait_for_u32()  local
321 		err = spu_read_u32(card, reg, &val);  in spu_wait_for_u32()
322 		if (err)  in spu_wait_for_u32()
323 			return err;  in spu_wait_for_u32()
335 	int err = 0;  in spu_set_interrupt_mode()  local
342 		err = spu_write_u16(card, IF_SPI_HOST_INT_STATUS_MASK_REG, 0);  in spu_set_interrupt_mode()
343 		if (err)  in spu_set_interrupt_mode()
344 			return err;  in spu_set_interrupt_mode()
346 		err = spu_write_u16(card, IF_SPI_HOST_INT_STATUS_MASK_REG,  in spu_set_interrupt_mode()
352 		if (err)  in spu_set_interrupt_mode()
353 			return err;  in spu_set_interrupt_mode()
363 		err = spu_write_u16(card, IF_SPI_HOST_INT_CTRL_REG,  in spu_set_interrupt_mode()
368 		if (err)  in spu_set_interrupt_mode()
369 			return err;  in spu_set_interrupt_mode()
371 		err = spu_write_u16(card, IF_SPI_HOST_INT_STATUS_MASK_REG, 0);  in spu_set_interrupt_mode()
372 		if (err)  in spu_set_interrupt_mode()
373 			return err;  in spu_set_interrupt_mode()
375 	return err;  in spu_set_interrupt_mode()
381 	int err = 0;  in spu_get_chip_revision()  local
383 	err = spu_read_u32(card, IF_SPI_DEVICEID_CTRL_REG, &dev_ctrl);  in spu_get_chip_revision()
384 	if (err)  in spu_get_chip_revision()
385 		return err;  in spu_get_chip_revision()
388 	return err;  in spu_get_chip_revision()
393 	int err = 0;  in spu_set_bus_mode()  local
396 	err = spu_write_u16(card, IF_SPI_SPU_BUS_MODE_REG, mode);  in spu_set_bus_mode()
397 	if (err)  in spu_set_bus_mode()
398 		return err;  in spu_set_bus_mode()
400 	err = spu_read_u16(card, IF_SPI_SPU_BUS_MODE_REG, &rval);  in spu_set_bus_mode()
401 	if (err)  in spu_set_bus_mode()
402 		return err;  in spu_set_bus_mode()
412 	int err = 0;  in spu_init()  local
420 	err = spu_set_bus_mode(card,  in spu_init()
424 	if (err)  in spu_init()
425 		return err;  in spu_init()
428 	err = spu_read_u32(card, IF_SPI_DELAY_READ_REG, &delay);  in spu_init()
429 	if (err)  in spu_init()
430 		return err;  in spu_init()
437 		err = spu_set_bus_mode(card,  in spu_init()
441 		if (err)  in spu_init()
442 			return err;  in spu_init()
448 	return err;  in spu_init()
458 	int err = 0;  in if_spi_prog_helper_firmware()  local
463 	err = spu_set_interrupt_mode(card, 1, 0);  in if_spi_prog_helper_firmware()
464 	if (err)  in if_spi_prog_helper_firmware()
476 		err = spu_write_u16(card, IF_SPI_SCRATCH_1_REG,  in if_spi_prog_helper_firmware()
478 		if (err)  in if_spi_prog_helper_firmware()
481 		err = spu_wait_for_u16(card, IF_SPI_HOST_INT_STATUS_REG,  in if_spi_prog_helper_firmware()
484 		if (err)  in if_spi_prog_helper_firmware()
495 		err = spu_write(card, IF_SPI_CMD_RDWRPORT_REG,  in if_spi_prog_helper_firmware()
497 		if (err)  in if_spi_prog_helper_firmware()
501 		err = spu_write_u16(card, IF_SPI_HOST_INT_STATUS_REG, 0);  in if_spi_prog_helper_firmware()
502 		if (err)  in if_spi_prog_helper_firmware()
504 		err = spu_write_u16(card, IF_SPI_CARD_INT_CAUSE_REG,  in if_spi_prog_helper_firmware()
506 		if (err)  in if_spi_prog_helper_firmware()
517 	err = spu_write_u16(card, IF_SPI_SCRATCH_1_REG, FIRMWARE_DNLD_OK);  in if_spi_prog_helper_firmware()
518 	if (err)  in if_spi_prog_helper_firmware()
520 	err = spu_write_u16(card, IF_SPI_HOST_INT_STATUS_REG, 0);  in if_spi_prog_helper_firmware()
521 	if (err)  in if_spi_prog_helper_firmware()
523 	err = spu_write_u16(card, IF_SPI_CARD_INT_CAUSE_REG,  in if_spi_prog_helper_firmware()
526 	if (err)  in if_spi_prog_helper_firmware()
527 		pr_err("failed to load helper firmware (err=%d)\n", err);  in if_spi_prog_helper_firmware()
529 	return err;  in if_spi_prog_helper_firmware()
540 	int err = 0;  in if_spi_prog_main_firmware_check_len()  local
546 	err = spu_wait_for_u16(card, IF_SPI_HOST_INT_STATUS_REG,  in if_spi_prog_main_firmware_check_len()
549 	if (err) {  in if_spi_prog_main_firmware_check_len()
551 		return err;  in if_spi_prog_main_firmware_check_len()
555 	err = spu_read_u16(card, IF_SPI_SCRATCH_1_REG, &len);  in if_spi_prog_main_firmware_check_len()
556 	if (err)  in if_spi_prog_main_firmware_check_len()
557 		return err;  in if_spi_prog_main_firmware_check_len()
579 	int bytes, crc_err = 0, err = 0;  in if_spi_prog_main_firmware()  local
583 	err = spu_set_interrupt_mode(card, 1, 0);  in if_spi_prog_main_firmware()
584 	if (err)  in if_spi_prog_main_firmware()
587 	err = spu_wait_for_u16(card, IF_SPI_SCRATCH_1_REG, 0, 0);  in if_spi_prog_main_firmware()
588 	if (err) {  in if_spi_prog_main_firmware()
601 			err = len;  in if_spi_prog_main_firmware()
617 				err = -EIO;  in if_spi_prog_main_firmware()
631 		err = spu_write_u16(card, IF_SPI_HOST_INT_STATUS_REG, 0);  in if_spi_prog_main_firmware()
632 		if (err)  in if_spi_prog_main_firmware()
634 		err = spu_write(card, IF_SPI_CMD_RDWRPORT_REG,  in if_spi_prog_main_firmware()
636 		if (err)  in if_spi_prog_main_firmware()
638 		err = spu_write_u16(card, IF_SPI_CARD_INT_CAUSE_REG ,  in if_spi_prog_main_firmware()
640 		if (err)  in if_spi_prog_main_firmware()
649 	err = spu_wait_for_u32(card, IF_SPI_SCRATCH_4_REG,  in if_spi_prog_main_firmware()
651 	if (err) {  in if_spi_prog_main_firmware()
657 	if (err)  in if_spi_prog_main_firmware()
658 		pr_err("failed to load firmware (err=%d)\n", err);  in if_spi_prog_main_firmware()
660 	return err;  in if_spi_prog_main_firmware()
674 	int err = 0;  in if_spi_c2h_cmd()  local
693 	err = spu_read_u16(card, IF_SPI_SCRATCH_2_REG, &len);  in if_spi_c2h_cmd()
694 	if (err)  in if_spi_c2h_cmd()
699 		err = -EINVAL;  in if_spi_c2h_cmd()
705 		err = -EINVAL;  in if_spi_c2h_cmd()
710 	err = spu_read(card, IF_SPI_CMD_RDWRPORT_REG,  in if_spi_c2h_cmd()
712 	if (err)  in if_spi_c2h_cmd()
724 	if (err)  in if_spi_c2h_cmd()
725 		netdev_err(priv->dev, "%s: err=%d\n", __func__, err);  in if_spi_c2h_cmd()
727 	return err;  in if_spi_c2h_cmd()
737 	int err = 0;  in if_spi_c2h_data()  local
740 	err = spu_read_u16(card, IF_SPI_SCRATCH_1_REG, &len);  in if_spi_c2h_data()
741 	if (err)  in if_spi_c2h_data()
746 		err = -EINVAL;  in if_spi_c2h_data()
752 		err = -EINVAL;  in if_spi_c2h_data()
759 		err = -ENOBUFS;  in if_spi_c2h_data()
766 	err = spu_read(card, IF_SPI_DATA_RDWRPORT_REG, data, ALIGN(len, 4));  in if_spi_c2h_data()
767 	if (err) {  in if_spi_c2h_data()
773 	err = lbs_process_rxed_packet(card->priv, skb);  in if_spi_c2h_data()
777 	if (err)  in if_spi_c2h_data()
778 		netdev_err(priv->dev, "%s: err=%d\n", __func__, err);  in if_spi_c2h_data()
780 	return err;  in if_spi_c2h_data()
788 	int err = 0;  in if_spi_h2c()  local
801 		err = -EINVAL;  in if_spi_h2c()
806 	err = spu_write(card, port_reg, packet->buffer, packet->blen);  in if_spi_h2c()
807 	if (err)  in if_spi_h2c()
813 	if (err)  in if_spi_h2c()
814 		netdev_err(priv->dev, "%s: error %d\n", __func__, err);  in if_spi_h2c()
820 	int err = 0;  in if_spi_e2h()  local
824 	err = spu_read_u32(card, IF_SPI_SCRATCH_3_REG, &cause);  in if_spi_e2h()
825 	if (err)  in if_spi_e2h()
829 	err = spu_write_u16(card, IF_SPI_HOST_INT_STATUS_REG,  in if_spi_e2h()
831 	if (err)  in if_spi_e2h()
835 	err = spu_write_u16(card, IF_SPI_CARD_INT_CAUSE_REG,  in if_spi_e2h()
837 	if (err)  in if_spi_e2h()
842 	if (err)  in if_spi_e2h()
843 		netdev_err(priv->dev, "%s: error %d\n", __func__, err);  in if_spi_e2h()
848 	int err;  in if_spi_host_to_card_worker()  local
862 	err = spu_read_u16(card, IF_SPI_HOST_INT_STATUS_REG,  in if_spi_host_to_card_worker()
864 	if (err) {  in if_spi_host_to_card_worker()
866 		goto err;  in if_spi_host_to_card_worker()
870 		err = if_spi_c2h_cmd(card);  in if_spi_host_to_card_worker()
871 		if (err)  in if_spi_host_to_card_worker()
872 			goto err;  in if_spi_host_to_card_worker()
875 		err = if_spi_c2h_data(card);  in if_spi_host_to_card_worker()
876 		if (err)  in if_spi_host_to_card_worker()
877 			goto err;  in if_spi_host_to_card_worker()
926 err:  in if_spi_host_to_card_worker()
927 	if (err)  in if_spi_host_to_card_worker()
928 		netdev_err(priv->dev, "%s: got error %d\n", __func__, err);  in if_spi_host_to_card_worker()
940 	int err = 0;  in if_spi_host_to_card()  local
949 		err = -EINVAL;  in if_spi_host_to_card()
955 		err = -ENOMEM;  in if_spi_host_to_card()
979 		err = -EINVAL;  in if_spi_host_to_card()
986 	return err;  in if_spi_host_to_card()
1011 	int err, i;  in if_spi_init_card()  local
1016 	err = spu_init(card, card->pdata->use_dummy_writes);  in if_spi_init_card()
1017 	if (err)  in if_spi_init_card()
1019 	err = spu_get_chip_revision(card, &card->card_id, &card->card_rev);  in if_spi_init_card()
1020 	if (err)  in if_spi_init_card()
1023 	err = spu_read_u32(card, IF_SPI_SCRATCH_4_REG, &scratch);  in if_spi_init_card()
1024 	if (err)  in if_spi_init_card()
1038 			err = -ENODEV;  in if_spi_init_card()
1042 		err = lbs_get_firmware(&card->spi->dev, card->card_id,  in if_spi_init_card()
1044 		if (err) {  in if_spi_init_card()
1046 				   err);  in if_spi_init_card()
1058 		err = if_spi_prog_helper_firmware(card, helper);  in if_spi_init_card()
1059 		if (err)  in if_spi_init_card()
1061 		err = if_spi_prog_main_firmware(card, mainfw);  in if_spi_init_card()
1062 		if (err)  in if_spi_init_card()
1067 	err = spu_set_interrupt_mode(card, 0, 1);  in if_spi_init_card()
1068 	if (err)  in if_spi_init_card()
1072 	return err;  in if_spi_init_card()
1102 	int err = 0;  in if_spi_probe()  local
1105 		err = -EINVAL;  in if_spi_probe()
1110 		err = pdata->setup(spi);  in if_spi_probe()
1111 		if (err)  in if_spi_probe()
1118 		err = -ENOMEM;  in if_spi_probe()
1133 	err = if_spi_init_card(card);  in if_spi_probe()
1134 	if (err)  in if_spi_probe()
1143 		err = PTR_ERR(priv);  in if_spi_probe()
1158 		err = -ENOMEM;  in if_spi_probe()
1164 	err = request_irq(spi->irq, if_spi_host_interrupt,  in if_spi_probe()
1166 	if (err) {  in if_spi_probe()
1176 	err = lbs_start_card(priv);  in if_spi_probe()
1177 	if (err)  in if_spi_probe()
1197 	return err;  in if_spi_probe()