736 static int npcx_i3c_xfer_write_fifo(struct i3c_reg *inst, uint8_t *buf, uint8_t buf_sz,  in npcx_i3c_xfer_write_fifo()  argument
740 	int remaining = buf_sz;  in npcx_i3c_xfer_write_fifo()
832 static int npcx_i3c_xfer_write_fifo_dma(const struct device *dev, uint8_t *buf, uint32_t buf_sz)  in npcx_i3c_xfer_write_fifo_dma()  argument
846 	mdma_inst->MDMA_TCNT1 = buf_sz;                    /* Set MDMA transfer count */  in npcx_i3c_xfer_write_fifo_dma()
853 		LOG_DBG("Check complete time out, buf_size:%d", buf_sz);  in npcx_i3c_xfer_write_fifo_dma()
865 	ret = buf_sz - mdma_inst->MDMA_CTCNT1;          /* Set transferred count */  in npcx_i3c_xfer_write_fifo_dma()
890 static int npcx_i3c_xfer_read_fifo_dma(const struct device *dev, uint8_t *buf, uint32_t buf_sz)  in npcx_i3c_xfer_read_fifo_dma()  argument
903 	mdma_inst->MDMA_TCNT0 = buf_sz;                    /* Set MDMA transfer count */  in npcx_i3c_xfer_read_fifo_dma()
913 		ret = buf_sz - mdma_inst->MDMA_CTCNT0; /* Set transferred count */  in npcx_i3c_xfer_read_fifo_dma()
942 				    enum npcx_i3c_mctrl_type op_type, uint8_t *buf, size_t buf_sz,  in npcx_i3c_do_one_xfer_dma()  argument
949 	size_t rd_len = buf_sz;  in npcx_i3c_do_one_xfer_dma()
955 	if (is_hdr_ddr && (buf_sz % 2 != 0)) {  in npcx_i3c_do_one_xfer_dma()
956 		LOG_ERR("%s, HDR-DDR data length should be even, len=%#x", __func__, buf_sz);  in npcx_i3c_do_one_xfer_dma()
989 	if ((buf == NULL) || (buf_sz == 0)) {  in npcx_i3c_do_one_xfer_dma()
995 		ret = npcx_i3c_xfer_read_fifo_dma(dev, buf, buf_sz);  in npcx_i3c_do_one_xfer_dma()
997 		ret = npcx_i3c_xfer_write_fifo_dma(dev, buf, buf_sz);  in npcx_i3c_do_one_xfer_dma()
1038 				enum npcx_i3c_mctrl_type op_type, uint8_t *buf, size_t buf_sz,  in npcx_i3c_do_one_xfer()  argument
1048 		ret = npcx_i3c_request_emit_start(inst, addr, op_type, is_read, buf_sz);  in npcx_i3c_do_one_xfer()
1056 	if ((buf == NULL) || (buf_sz == 0)) {  in npcx_i3c_do_one_xfer()
1062 		ret = npcx_i3c_xfer_read_fifo(inst, buf, buf_sz);  in npcx_i3c_do_one_xfer()
1064 		ret = npcx_i3c_xfer_write_fifo(inst, buf, buf_sz, no_ending);  in npcx_i3c_do_one_xfer()
1079 			LOG_DBG("Wait COMPLETE timed out, addr 0x%02x, buf_sz %u", addr, buf_sz);  in npcx_i3c_do_one_xfer()