[PATCH v3 07/13] mfd: sec: set DMA coherent mask

From: Kaustabh Chakraborty

Date: Tue Feb 24 2026 - 14:18:39 EST


Kernel logs are filled with "DMA mask not set" messages for every
sub-device. The device does not use DMA for communication, so these
messages are useless. Disable the coherent DMA mask for the PMIC device,
which is also propagated to sub-devices.

Signed-off-by: Kaustabh Chakraborty <kauschluss@xxxxxxxxxxx>
---
drivers/mfd/sec-i2c.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/mfd/sec-i2c.c b/drivers/mfd/sec-i2c.c
index d8609886fcc80..9fa1449a4f6eb 100644
--- a/drivers/mfd/sec-i2c.c
+++ b/drivers/mfd/sec-i2c.c
@@ -177,6 +177,9 @@ static int sec_pmic_i2c_probe(struct i2c_client *client)
return dev_err_probe(&client->dev, PTR_ERR(regmap_pmic),
"regmap init failed\n");

+ client->dev.coherent_dma_mask = 0;
+ client->dev.dma_mask = &client->dev.coherent_dma_mask;
+
return sec_pmic_probe(&client->dev, pdata->device_type, client->irq,
regmap_pmic, client);
}

--
2.52.0