> - else if (resp->i2c_status & EC_I2C_STATUS_ERROR)
> + else if (resp->i2c_status & EC_I2C_STATUS_NAK)
> + return -ENXIO;
> + else if (resp->i2c_status)
> return -EREMOTEIO;
Since you mentioned Documentation/i2c/fault-codes already: -EIO?
>
> /* Other side could send us back fewer messages, but not more */
> @@ -223,7 +225,7 @@ static int ec_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg i2c_msgs[],
>
> result = ec_i2c_parse_response(msg->data, i2c_msgs, &num);
> if (result < 0) {
> - dev_err(dev, "Error parsing EC i2c message %d\n", result);
> + dev_dbg(dev, "Error parsing EC i2c message %d\n", result);
For me, this message can go entirely, but I'll leave this up to you.
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