diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-powermac.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-powermac.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c index 3c9d71f6018..a74f3bab05b 100644 --- a/drivers/i2c/busses/i2c-powermac.c +++ b/drivers/i2c/busses/i2c-powermac.c @@ -146,6 +146,12 @@ static int i2c_powermac_master_xfer( struct i2c_adapter *adap, int read; int addrdir; + if (num != 1) { + dev_err(&adap->dev, + "Multi-message I2C transactions not supported\n"); + return -EOPNOTSUPP; + } + if (msgs->flags & I2C_M_TEN) return -EINVAL; read = (msgs->flags & I2C_M_RD) != 0; |