linux-kernel - [PATCH 2/2] i2c: pmcmsp: fix error return from master

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Message-Id: <20180509194630.29047-2-peda@axentia.se>
Date:   Wed,  9 May 2018 21:46:30 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     linux-kernel@...r.kernel.org
Cc:     Peter Rosin <peda@...ntia.se>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
        linux-i2c@...r.kernel.org
Subject: [PATCH 2/2] i2c: pmcmsp: fix error return from master_xfer

Returning -1 (-EPERM) is not appropriate here, go with -EIO.

Signed-off-by: Peter Rosin <peda@...ntia.se>
---
 drivers/i2c/busses/i2c-pmcmsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-pmcmsp.c b/drivers/i2c/busses/i2c-pmcmsp.c
index ec27e27e8d06..dae8ac618a52 100644
--- a/drivers/i2c/busses/i2c-pmcmsp.c
+++ b/drivers/i2c/busses/i2c-pmcmsp.c
@@ -564,7 +564,7 @@ static int pmcmsptwi_master_xfer(struct i2c_adapter *adap,
 		 * TODO: We could potentially loop and retry in the case
 		 * of MSP_TWI_XFER_TIMEOUT.
 		 */
-		return -1;
+		return -EIO;
 	}
 
 	return num;
-- 
2.11.0