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i2c: gxp: return proper error on address NACK

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

Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Wolfram Sang 2023-02-20 15:40:59 +01:00
parent 1d092308ce
commit 4b3dfb0ed6
1 changed files with 4 additions and 2 deletions
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6
drivers/i2c/busses/i2c-gxp.c
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@ -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;