This is a note to let you know that I've just added the patch titled
[media] smiapp: Take mutex during PLL update in sensor initialisation
to the 3.14-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:
smiapp-take-mutex-during-pll-update-in-sensor-initialisation.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From f85698cd296f08218a7750f321e94607da128600 Mon Sep 17 00:00:00 2001
From: Sakari Ailus <[email protected]>
Date: Tue, 16 Sep 2014 15:57:07 -0300
Subject: [media] smiapp: Take mutex during PLL update in sensor initialisation
From: Sakari Ailus <[email protected]>
commit f85698cd296f08218a7750f321e94607da128600 upstream.
The mutex does not serialise anything in this case but avoids a lockdep
warning from the control framework.
Signed-off-by: Sakari Ailus <[email protected]>
Acked-by: Laurent Pinchart <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/media/i2c/smiapp/smiapp-core.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2624,7 +2624,9 @@ static int smiapp_registered(struct v4l2
pll->flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE;
pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
+ mutex_lock(&sensor->mutex);
rval = smiapp_update_mode(sensor);
+ mutex_unlock(&sensor->mutex);
if (rval) {
dev_err(&client->dev, "update mode failed\n");
goto out_nvm_release;
Patches currently in stable-queue which might be from
[email protected] are
queue-3.14/smiapp-pll-correct-clock-debug-prints.patch
queue-3.14/smiapp-take-mutex-during-pll-update-in-sensor-initialisation.patch
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