linux-kernel - [PATCH 4.4 17/37] i2c: rcar: remove unused IOERROR state

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Message-Id: <20180605170109.915139152@linuxfoundation.org>
Date:   Tue,  5 Jun 2018 19:01:22 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Fabrizio Castro <fabrizio.castro@...renesas.com>,
        Chris Paterson <Chris.Paterson2@...esas.com>
Subject: [PATCH 4.4 17/37] i2c: rcar: remove unused IOERROR state

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wolfram Sang <wsa+renesas@...g-engineering.com>

commit 90f779e565bdc18dd4f79d81cf11f43a7266010b upstream.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
Signed-off-by: Fabrizio Castro <fabrizio.castro@...renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@...esas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/i2c/busses/i2c-rcar.c |    6 ------
 1 file changed, 6 deletions(-)

--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -94,7 +94,6 @@
 #define RCAR_IRQ_ACK_RECV	(~(MAT | MDR) & 0xFF)
 
 #define ID_LAST_MSG	(1 << 0)
-#define ID_IOERROR	(1 << 1)
 #define ID_DONE		(1 << 2)
 #define ID_ARBLOST	(1 << 3)
 #define ID_NACK		(1 << 4)
@@ -541,11 +540,6 @@ static int rcar_i2c_master_xfer(struct i
 			break;
 		}
 
-		if (rcar_i2c_flags_has(priv, ID_IOERROR)) {
-			ret = -EIO;
-			break;
-		}
-
 		ret = i + 1; /* The number of transfer */
 	}
 out: