Commit c2a3b3cc authored Jan 18, 2018 by Dmitry Bazhenov Committed by Wolfram Sang Feb 26, 2018

i2c: xlp9xx: return ENXIO on slave address NACK



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>

parent d0adf769

drivers/i2c/busses/i2c-xlp9xx.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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) {

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