Commit effed5da authored by Billy Tsai's avatar Billy Tsai Committed by Alexandre Belloni
Browse files

i3c: mipi-i3c-hci: Use I2C DMA-safe api 



Use the i2c_get/put_dma_safe_msg_buf for I2C transfers instead of using
the I3C-specific API.

Signed-off-by: default avatarBilly Tsai <billy_tsai@aspeedtech.com>
Acked-by: default avatarMukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Reviewed-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/20250204091702.4014466-2-billy_tsai@aspeedtech.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 6866c91f

drivers/i3c/master/mipi-i3c-hci/core.c

+3 −5
Original line number Diff line number Diff line
@@ -382,14 +382,11 @@ static int i3c_hci_i2c_xfers(struct i2c_dev_desc *dev, 
		return -ENOMEM;



	for (i = 0; i < nxfers; i++) {

		xfer[i].data = i2c_xfers[i].buf;

		xfer[i].data = i2c_get_dma_safe_msg_buf(&i2c_xfers[i], 1);

		xfer[i].data_len = i2c_xfers[i].len;

		xfer[i].rnw = i2c_xfers[i].flags & I2C_M_RD;

		hci->cmd->prep_i2c_xfer(hci, dev, &xfer[i]);

		xfer[i].cmd_desc[0] |= CMD_0_ROC;

		ret = i3c_hci_alloc_safe_xfer_buf(hci, &xfer[i]);

		if (ret)

			goto out;

	}

	last = i - 1;

	xfer[last].cmd_desc[0] |= CMD_0_TOC;
@@ -412,7 +409,8 @@ static int i3c_hci_i2c_xfers(struct i2c_dev_desc *dev, 


out:

	for (i = 0; i < nxfers; i++)

		i3c_hci_free_safe_xfer_buf(hci, &xfer[i]);

		i2c_put_dma_safe_msg_buf(xfer[i].data, &i2c_xfers[i],

					 ret ? false : true);



	hci_free_xfer(xfer, nxfers);

	return ret;