This is a note to let you know that I've just added the patch titled
i2c: at91: don't account as iowait
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
i2c-at91-don-t-account-as-iowait.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 11cfbfb098b22d3e57f1f2be217cad20e2d48463 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Date: Mon, 3 Nov 2014 21:16:16 +0100
Subject: i2c: at91: don't account as iowait
From: Wolfram Sang <wsa@xxxxxxxxxxxxx>
commit 11cfbfb098b22d3e57f1f2be217cad20e2d48463 upstream.
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@xxxxxxxxxxxxx>
Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-at91.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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 a
}
}
- 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");
Patches currently in stable-queue which might be from wsa@xxxxxxxxxxxxx are
queue-3.17/i2c-at91-don-t-account-as-iowait.patch
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