github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-26 16:12:59 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

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

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

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Acked-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/20250204091702.4014466-2-billy_tsai@aspeedtech.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Billy Tsai 2025-02-04 17:17:02 +08:00 committed by Alexandre Belloni
parent 6866c91f8c
commit effed5dac8
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/i3c/master/mipi-i3c-hci/core.c
View File

@ -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;