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i2c: xlp9xx: return ENXIO on slave address NACK

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Fix the driver violation of the common practice to return
ENXIO error on a slave address NACK.

Signed-off-by: Dmitry Bazhenov <dmitry.bazhenov@auriga.com>
Signed-off-by: George Cherian <george.cherian@cavium.com>
Tested-by: dann frazier <dann.frazier@canonical.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Dmitry Bazhenov 2018-01-18 05:39:21 +00:00 committed by Wolfram Sang
parent d0adf769df
commit c2a3b3cce8
1 changed files with 2 additions and 1 deletions
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3
drivers/i2c/busses/i2c-xlp9xx.c
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@ -324,7 +324,8 @@ static int xlp9xx_i2c_xfer_msg(struct xlp9xx_i2c_dev *priv, struct i2c_msg *msg,
dev_dbg(priv->dev, "transfer error %x!\n", priv->msg_err);
if (priv->msg_err & XLP9XX_I2C_INTEN_BUSERR)
xlp9xx_i2c_init(priv);
return -EIO;
return (priv->msg_err & XLP9XX_I2C_INTEN_NACKADDR) ?
-ENXIO : -EIO;
}
if (timeleft == 0) {