From mboxrd@z Thu Jan 1 00:00:00 1970
From: khilman@kernel.org (Kevin Hilman)
Date: Thu, 15 Jan 2015 10:37:41 -0800
Subject: [PATCH RESEND] reset: sunxi: fix spinlock initialization
In-Reply-To: <1421141760.4519.5.camel@pengutronix.de> (Philipp Zabel's message
of "Tue, 13 Jan 2015 10:36:00 +0100")
References: <1421078086-27946-1-git-send-email-tyler.baker@linaro.org>
<20150112161706.GO4891@lukather>
<20150112221325.GE22090@quad.lixom.net>
<1421141760.4519.5.camel@pengutronix.de>
Message-ID: <7hd26fopoq.fsf@deeprootsystems.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org
Philipp Zabel
writes:
> Hi,
>
> Am Montag, den 12.01.2015, 14:13 -0800 schrieb Olof Johansson:
>> On Mon, Jan 12, 2015 at 05:17:06PM +0100, Maxime Ripard wrote:
>> > On Mon, Jan 12, 2015 at 07:54:46AM -0800, Tyler Baker wrote:
>> > > Call spin_lock_init() before the spinlocks are used, both in early init
>> > > and probe functions preventing a lockdep splat.
>> > >
>> > > I have been observing lockdep complaining [1] during boot on my a80 optimus [2]
>> > > when CONFIG_PROVE_LOCKING has been enabled. This patch resolves the splat,
>> > > and has been tested on a few other sunxi platforms without issue.
>> > >
>> > > [1]
>> > > http://storage.kernelci.org/next/next-20150107/arm-multi_v7_defconfig+CONFIG_PROVE_LOCKING=y/lab-tbaker/boot-sun9i-a80-optimus.html
>> > > [2] http://kernelci.org/boot/?a80-optimus
>> > >
>> > > Signed-off-by: Tyler Baker
>> > > Cc:
>> >
>> > Acked-by: Maxime Ripard
>>
>> Not entirely sure what to do with this one. You sent it to:arm at kernel.org, but
>> it should probably have gone to Philipp?
>>
>> We can pick it up with an ack from him though, no problem.
>
> I have applied the patch here:
>
> git://git.pengutronix.de/git/pza/linux reset/for_v3.19
>
> I was going to send a pull request tonight, but since I don't have any
> other pending fixes besides this, and you already offered to pick it up,
>
> Acked-by: Philipp Zabel
Applied to arm-soc/fixes with ack from Philipp.
Thanks,
Kevin