From: Wolfram Sang <wsa@the-dreams.de>
Date: Mon, 3 Nov 2014 20:16:16 +0000 (+0100)
Subject: i2c: at91: don't account as iowait
X-Git-Tag: v4.9.8~5384^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=11cfbfb098b22d3e57f1f2be217cad20e2d48463;p=platform%2Fkernel%2Flinux-rpi3.git

i2c: at91: don't account as iowait

iowait is for blkio [1]. I2C shouldn't use it.

[1] https://lkml.org/lkml/2014/11/3/317

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: stable@kernel.org
---

diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index 917d545..e05a672 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -434,7 +434,7 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev)
 		}
 	}
 
-	ret = wait_for_completion_io_timeout(&dev->cmd_complete,
+	ret = wait_for_completion_timeout(&dev->cmd_complete,
 					     dev->adapter.timeout);
 	if (ret == 0) {
 		dev_err(dev->dev, "controller timed out\n");