diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-master.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index fc7c255c80af..a1717bff06a8 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -274,13 +274,6 @@ i2c_dw_xfer_msg(struct dw_i2c_dev *dev) break; } - if (msgs[dev->msg_write_idx].len == 0) { - dev_err(dev->dev, - "%s: invalid message length\n", __func__); - dev->msg_err = -EINVAL; - break; - } - if (!(dev->status & STATUS_WRITE_IN_PROGRESS)) { /* new i2c_msg */ buf = msgs[dev->msg_write_idx].buf; @@ -523,6 +516,10 @@ static const struct i2c_algorithm i2c_dw_algo = { .functionality = i2c_dw_func, }; +static const struct i2c_adapter_quirks i2c_dw_quirks = { + .flags = I2C_AQ_NO_ZERO_LEN, +}; + static u32 i2c_dw_read_clear_intrbits(struct dw_i2c_dev *dev) { u32 stat; @@ -718,6 +715,7 @@ int i2c_dw_probe(struct dw_i2c_dev *dev) "Synopsys DesignWare I2C adapter"); adap->retries = 3; adap->algo = &i2c_dw_algo; + adap->quirks = &i2c_dw_quirks; adap->dev.parent = dev->dev; i2c_set_adapdata(adap, dev); |