234 	int err;  in airoha_snand_set_fifo_op()  local
237 	err = regmap_write(as_ctrl->regmap_ctrl, REG_SPI_CTRL_OPFIFO_WDATA,  in airoha_snand_set_fifo_op()
240 	if (err)  in airoha_snand_set_fifo_op()
241 		return err;  in airoha_snand_set_fifo_op()
243 	err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,  in airoha_snand_set_fifo_op()
247 	if (err)  in airoha_snand_set_fifo_op()
248 		return err;  in airoha_snand_set_fifo_op()
250 	err = regmap_write(as_ctrl->regmap_ctrl, REG_SPI_CTRL_OPFIFO_WR,  in airoha_snand_set_fifo_op()
252 	if (err)  in airoha_snand_set_fifo_op()
253 		return err;  in airoha_snand_set_fifo_op()
272 		int err;  in airoha_snand_write_data_to_fifo()  local
276 		err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,  in airoha_snand_write_data_to_fifo()
280 		if (err)  in airoha_snand_write_data_to_fifo()
281 			return err;  in airoha_snand_write_data_to_fifo()
284 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_write_data_to_fifo()
287 		if (err)  in airoha_snand_write_data_to_fifo()
288 			return err;  in airoha_snand_write_data_to_fifo()
291 		err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,  in airoha_snand_write_data_to_fifo()
295 		if (err)  in airoha_snand_write_data_to_fifo()
296 			return err;  in airoha_snand_write_data_to_fifo()
308 		int err;  in airoha_snand_read_data_from_fifo()  local
312 		err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,  in airoha_snand_read_data_from_fifo()
316 		if (err)  in airoha_snand_read_data_from_fifo()
317 			return err;  in airoha_snand_read_data_from_fifo()
320 		err = regmap_read(as_ctrl->regmap_ctrl,  in airoha_snand_read_data_from_fifo()
322 		if (err)  in airoha_snand_read_data_from_fifo()
323 			return err;  in airoha_snand_read_data_from_fifo()
327 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_read_data_from_fifo()
329 		if (err)  in airoha_snand_read_data_from_fifo()
330 			return err;  in airoha_snand_read_data_from_fifo()
339 	int err;  in airoha_snand_set_mode()  local
345 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_set_mode()
347 		if (err)  in airoha_snand_set_mode()
348 			return err;  in airoha_snand_set_mode()
350 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_set_mode()
352 		if (err)  in airoha_snand_set_mode()
353 			return err;  in airoha_snand_set_mode()
355 		err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,  in airoha_snand_set_mode()
359 		if (err)  in airoha_snand_set_mode()
360 			return err;  in airoha_snand_set_mode()
362 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_set_mode()
364 		if (err)  in airoha_snand_set_mode()
365 			return err;  in airoha_snand_set_mode()
367 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_set_mode()
369 		if (err)  in airoha_snand_set_mode()
370 			return err;  in airoha_snand_set_mode()
374 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_set_mode()
377 		if (err < 0)  in airoha_snand_set_mode()
378 			return err;  in airoha_snand_set_mode()
380 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_set_mode()
382 		if (err < 0)  in airoha_snand_set_mode()
383 			return err;  in airoha_snand_set_mode()
385 		err = regmap_write(as_ctrl->regmap_ctrl,  in airoha_snand_set_mode()
387 		if (err < 0)  in airoha_snand_set_mode()
388 			return err;  in airoha_snand_set_mode()
420 		int err;  in airoha_snand_write_data()  local
423 		err = airoha_snand_set_fifo_op(as_ctrl, cmd, data_len);  in airoha_snand_write_data()
424 		if (err)  in airoha_snand_write_data()
425 			return err;  in airoha_snand_write_data()
427 		err = airoha_snand_write_data_to_fifo(as_ctrl, &data[i],  in airoha_snand_write_data()
429 		if (err < 0)  in airoha_snand_write_data()
430 			return err;  in airoha_snand_write_data()
458 		int err;  in airoha_snand_read_data()  local
461 		err = airoha_snand_set_fifo_op(as_ctrl, cmd, data_len);  in airoha_snand_read_data()
462 		if (err)  in airoha_snand_read_data()
463 			return err;  in airoha_snand_read_data()
465 		err = airoha_snand_read_data_from_fifo(as_ctrl, &data[i],  in airoha_snand_read_data()
467 		if (err < 0)  in airoha_snand_read_data()
468 			return err;  in airoha_snand_read_data()
476 	int err;  in airoha_snand_nfi_init()  local
479 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_SNF_NFI_CNFG,  in airoha_snand_nfi_init()
481 	if (err)  in airoha_snand_nfi_init()
482 		return err;  in airoha_snand_nfi_init()
491 	int err;  in airoha_snand_nfi_config()  local
494 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_CON,  in airoha_snand_nfi_config()
496 	if (err)  in airoha_snand_nfi_config()
497 		return err;  in airoha_snand_nfi_config()
500 	err = regmap_clear_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CNFG,  in airoha_snand_nfi_config()
502 	if (err)  in airoha_snand_nfi_config()
503 		return err;  in airoha_snand_nfi_config()
506 	err = regmap_clear_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CNFG,  in airoha_snand_nfi_config()
508 	if (err)  in airoha_snand_nfi_config()
509 		return err;  in airoha_snand_nfi_config()
512 	err = regmap_set_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CNFG,  in airoha_snand_nfi_config()
514 	if (err)  in airoha_snand_nfi_config()
515 		return err;  in airoha_snand_nfi_config()
533 	err = regmap_update_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_PAGEFMT,  in airoha_snand_nfi_config()
535 	if (err)  in airoha_snand_nfi_config()
536 		return err;  in airoha_snand_nfi_config()
550 	err = regmap_update_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_PAGEFMT,  in airoha_snand_nfi_config()
552 	if (err)  in airoha_snand_nfi_config()
553 		return err;  in airoha_snand_nfi_config()
557 	err = regmap_update_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CON,  in airoha_snand_nfi_config()
559 	if (err)  in airoha_snand_nfi_config()
560 		return err;  in airoha_snand_nfi_config()
563 	err = regmap_set_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_SECCUS_SIZE,  in airoha_snand_nfi_config()
565 	if (err)  in airoha_snand_nfi_config()
566 		return err;  in airoha_snand_nfi_config()
680 	int err;  in airoha_snand_dirmap_read()  local
695 	err = airoha_snand_set_mode(as_ctrl, SPI_MODE_DMA);  in airoha_snand_dirmap_read()
696 	if (err < 0)  in airoha_snand_dirmap_read()
697 		return err;  in airoha_snand_dirmap_read()
699 	err = airoha_snand_nfi_config(as_ctrl);  in airoha_snand_dirmap_read()
700 	if (err)  in airoha_snand_dirmap_read()
705 	err = dma_mapping_error(as_ctrl->dev, dma_addr);  in airoha_snand_dirmap_read()
706 	if (err)  in airoha_snand_dirmap_read()
710 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_STRADDR,  in airoha_snand_dirmap_read()
712 	if (err)  in airoha_snand_dirmap_read()
718 	err = regmap_update_bits(as_ctrl->regmap_nfi,  in airoha_snand_dirmap_read()
721 	if (err)  in airoha_snand_dirmap_read()
725 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_RD_CTL2,  in airoha_snand_dirmap_read()
727 	if (err)  in airoha_snand_dirmap_read()
731 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_SNF_MISC_CTL,  in airoha_snand_dirmap_read()
733 	if (err)  in airoha_snand_dirmap_read()
737 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_RD_CTL3,  in airoha_snand_dirmap_read()
739 	if (err)  in airoha_snand_dirmap_read()
743 	err = regmap_update_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CNFG,  in airoha_snand_dirmap_read()
746 	if (err)  in airoha_snand_dirmap_read()
749 	err = regmap_set_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CNFG,  in airoha_snand_dirmap_read()
751 	if (err)  in airoha_snand_dirmap_read()
754 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_CMD, 0x0);  in airoha_snand_dirmap_read()
755 	if (err)  in airoha_snand_dirmap_read()
759 	err = regmap_clear_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CON,  in airoha_snand_dirmap_read()
761 	if (err)  in airoha_snand_dirmap_read()
764 	err = regmap_set_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CON,  in airoha_snand_dirmap_read()
766 	if (err)  in airoha_snand_dirmap_read()
769 	err = regmap_read_poll_timeout(as_ctrl->regmap_nfi,  in airoha_snand_dirmap_read()
773 	if (err)  in airoha_snand_dirmap_read()
780 	err = regmap_write_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_SNF_STA_CTL1,  in airoha_snand_dirmap_read()
783 	if (err)  in airoha_snand_dirmap_read()
786 	err = regmap_read_poll_timeout(as_ctrl->regmap_nfi, REG_SPI_NFI_INTR,  in airoha_snand_dirmap_read()
789 	if (err)  in airoha_snand_dirmap_read()
797 	err = airoha_snand_set_mode(as_ctrl, SPI_MODE_MANUAL);  in airoha_snand_dirmap_read()
798 	if (err < 0)  in airoha_snand_dirmap_read()
799 		return err;  in airoha_snand_dirmap_read()
810 	return err;  in airoha_snand_dirmap_read()
822 	int err;  in airoha_snand_dirmap_write()  local
825 	err = airoha_snand_set_mode(as_ctrl, SPI_MODE_MANUAL);  in airoha_snand_dirmap_write()
826 	if (err < 0)  in airoha_snand_dirmap_write()
827 		return err;  in airoha_snand_dirmap_write()
832 	err = dma_mapping_error(as_ctrl->dev, dma_addr);  in airoha_snand_dirmap_write()
833 	if (err)  in airoha_snand_dirmap_write()
834 		return err;  in airoha_snand_dirmap_write()
836 	err = airoha_snand_set_mode(as_ctrl, SPI_MODE_DMA);  in airoha_snand_dirmap_write()
837 	if (err < 0)  in airoha_snand_dirmap_write()
840 	err = airoha_snand_nfi_config(as_ctrl);  in airoha_snand_dirmap_write()
841 	if (err)  in airoha_snand_dirmap_write()
850 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_STRADDR,  in airoha_snand_dirmap_write()
852 	if (err)  in airoha_snand_dirmap_write()
857 	err = regmap_update_bits(as_ctrl->regmap_nfi,  in airoha_snand_dirmap_write()
860 	if (err)  in airoha_snand_dirmap_write()
863 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_PG_CTL1,  in airoha_snand_dirmap_write()
866 	if (err)  in airoha_snand_dirmap_write()
869 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_SNF_MISC_CTL,  in airoha_snand_dirmap_write()
871 	if (err)  in airoha_snand_dirmap_write()
875 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_PG_CTL2,  in airoha_snand_dirmap_write()
877 	if (err)  in airoha_snand_dirmap_write()
880 	err = regmap_clear_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CNFG,  in airoha_snand_dirmap_write()
882 	if (err)  in airoha_snand_dirmap_write()
885 	err = regmap_update_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CNFG,  in airoha_snand_dirmap_write()
888 	if (err)  in airoha_snand_dirmap_write()
891 	err = regmap_set_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CNFG,  in airoha_snand_dirmap_write()
893 	if (err)  in airoha_snand_dirmap_write()
896 	err = regmap_write(as_ctrl->regmap_nfi, REG_SPI_NFI_CMD, 0x80);  in airoha_snand_dirmap_write()
897 	if (err)  in airoha_snand_dirmap_write()
900 	err = regmap_clear_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CON,  in airoha_snand_dirmap_write()
902 	if (err)  in airoha_snand_dirmap_write()
905 	err = regmap_set_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_CON,  in airoha_snand_dirmap_write()
907 	if (err)  in airoha_snand_dirmap_write()
910 	err = regmap_read_poll_timeout(as_ctrl->regmap_nfi, REG_SPI_NFI_INTR,  in airoha_snand_dirmap_write()
913 	if (err)  in airoha_snand_dirmap_write()
916 	err = regmap_read_poll_timeout(as_ctrl->regmap_nfi,  in airoha_snand_dirmap_write()
920 	if (err)  in airoha_snand_dirmap_write()
927 	err = regmap_write_bits(as_ctrl->regmap_nfi, REG_SPI_NFI_SNF_STA_CTL1,  in airoha_snand_dirmap_write()
930 	if (err)  in airoha_snand_dirmap_write()
935 	err = airoha_snand_set_mode(as_ctrl, SPI_MODE_MANUAL);  in airoha_snand_dirmap_write()
936 	if (err < 0)  in airoha_snand_dirmap_write()
937 		return err;  in airoha_snand_dirmap_write()
945 	return err;  in airoha_snand_dirmap_write()
954 	int i, err;  in airoha_snand_exec_op()  local
974 	err = airoha_snand_set_mode(as_ctrl, SPI_MODE_MANUAL);  in airoha_snand_exec_op()
975 	if (err < 0)  in airoha_snand_exec_op()
976 		return err;  in airoha_snand_exec_op()
978 	err = airoha_snand_set_cs(as_ctrl, SPI_CHIP_SEL_LOW);  in airoha_snand_exec_op()
979 	if (err < 0)  in airoha_snand_exec_op()
980 		return err;  in airoha_snand_exec_op()
984 	err = airoha_snand_write_data(as_ctrl, data, op_len,  in airoha_snand_exec_op()
986 	if (err)  in airoha_snand_exec_op()
987 		return err;  in airoha_snand_exec_op()
992 		err = airoha_snand_write_data(as_ctrl, data, addr_len,  in airoha_snand_exec_op()
994 		if (err)  in airoha_snand_exec_op()
995 			return err;  in airoha_snand_exec_op()
1001 		err = airoha_snand_write_data(as_ctrl, data, dummy_len,  in airoha_snand_exec_op()
1003 		if (err)  in airoha_snand_exec_op()
1004 			return err;  in airoha_snand_exec_op()
1010 			err = airoha_snand_read_data(as_ctrl, op->data.buf.in,  in airoha_snand_exec_op()
1014 			err = airoha_snand_write_data(as_ctrl, op->data.buf.out,  in airoha_snand_exec_op()
1017 		if (err)  in airoha_snand_exec_op()
1018 			return err;  in airoha_snand_exec_op()
1053 	int err;  in airoha_snand_nfi_setup()  local
1055 	err = regmap_read(as_ctrl->regmap_nfi, REG_SPI_NFI_CON, &val);  in airoha_snand_nfi_setup()
1056 	if (err)  in airoha_snand_nfi_setup()
1057 		return err;  in airoha_snand_nfi_setup()
1061 	err = regmap_read(as_ctrl->regmap_nfi, REG_SPI_NFI_SECCUS_SIZE, &val);  in airoha_snand_nfi_setup()
1062 	if (err)  in airoha_snand_nfi_setup()
1063 		return err;  in airoha_snand_nfi_setup()
1073 	err = airoha_snand_nfi_init(as_ctrl);  in airoha_snand_nfi_setup()
1074 	if (err)  in airoha_snand_nfi_setup()
1075 		return err;  in airoha_snand_nfi_setup()
1108 	int err;  in airoha_snand_probe()  local
1142 	err = dma_set_mask(as_ctrl->dev, DMA_BIT_MASK(32));  in airoha_snand_probe()
1143 	if (err)  in airoha_snand_probe()
1144 		return err;  in airoha_snand_probe()
1153 	err = airoha_snand_nfi_setup(as_ctrl);  in airoha_snand_probe()
1154 	if (err)  in airoha_snand_probe()
1155 		return err;  in airoha_snand_probe()