Commit 4b3dfb0e authored by Wolfram Sang's avatar Wolfram Sang
Browse files

i2c: gxp: return proper error on address NACK 



According to Documentation/i2c/fault-codes.rst, NACK after sending an
address should be -ENXIO.

Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent 1d092308

drivers/i2c/busses/i2c-gxp.c

+4 −2
Original line number Diff line number Diff line
@@ -129,8 +129,10 @@ static int gxp_i2c_master_xfer(struct i2c_adapter *adapter, 
	if (time_left == 0)

		return -ETIMEDOUT;



	if (drvdata->state == GXP_I2C_ADDR_NACK ||

	    drvdata->state == GXP_I2C_DATA_NACK)

	if (drvdata->state == GXP_I2C_ADDR_NACK)

		return -ENXIO;



	if (drvdata->state == GXP_I2C_DATA_NACK)

		return -EIO;



	return ret;