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[3/4] i2c: rcar: fix NACK error code

Message ID 1397633330-16833-4-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman April 16, 2014, 7:28 a.m. UTC 
From: Ben Dooks <ben.dooks@codethink.co.uk>

The response to a bus NACK is to return -ENXIO instead of the
-EREMOTEIO being currently returned by the driver.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
(cherry picked from commit 6ff4b105163223741f5a82804f9695221017ae42)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/i2c/busses/i2c-rcar.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index dc8c224..fa16adf 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -599,7 +599,7 @@  static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
 		 * error handling
 		 */
 		if (rcar_i2c_flags_has(priv, ID_NACK)) {
-			ret = -EREMOTEIO;
+			ret = -ENXIO;
 			break;
 		}
 
@@ -618,7 +618,7 @@  static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
 
 	pm_runtime_put(dev);
 
-	if (ret < 0 && ret != -EREMOTEIO)
+	if (ret < 0 && ret != -ENXIO)
 		dev_err(dev, "error %d : %x\n", ret, priv->flags);
 
 	return ret;