diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-mxs.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mxs.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 642c58946d8d..7d79317a1046 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -567,9 +567,6 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, dev_dbg(i2c->dev, "addr: 0x%04x, len: %d, flags: 0x%x, stop: %d\n", msg->addr, msg->len, msg->flags, stop); - if (msg->len == 0) - return -EINVAL; - /* * The MX28 I2C IP block can only do PIO READ for transfer of to up * 4 bytes of length. The write transfer is not limited as it can use @@ -683,6 +680,10 @@ static const struct i2c_algorithm mxs_i2c_algo = { .functionality = mxs_i2c_func, }; +static const struct i2c_adapter_quirks mxs_i2c_quirks = { + .flags = I2C_AQ_NO_ZERO_LEN, +}; + static void mxs_i2c_derive_timing(struct mxs_i2c_dev *i2c, uint32_t speed) { /* The I2C block clock runs at 24MHz */ @@ -854,6 +855,7 @@ static int mxs_i2c_probe(struct platform_device *pdev) strlcpy(adap->name, "MXS I2C adapter", sizeof(adap->name)); adap->owner = THIS_MODULE; adap->algo = &mxs_i2c_algo; + adap->quirks = &mxs_i2c_quirks; adap->dev.parent = dev; adap->nr = pdev->id; adap->dev.of_node = pdev->dev.of_node; |