i2c: imx: Use -ENXIO as error in the NACK case

According to Documentation/i2c/fault-codes the response to a bus NACK
should be -ENXIO, so fix the error code.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 8d46e74..1e4d99d 100644 (file)
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -467,7 +467,7 @@ static int i2c_imx_acked(struct imx_i2c_struct *i2c_imx)
 {
        if (imx_i2c_read_reg(i2c_imx, IMX_I2C_I2SR) & I2SR_RXAK) {
                dev_dbg(&i2c_imx->adapter.dev, "<%s> No ACK\n", __func__);
-               return -EIO;  /* No ACK */
+               return -ENXIO;  /* No ACK */
        }
 
        dev_dbg(&i2c_imx->adapter.dev, "<%s> ACK received\n", __func__);