From: khilman@kernel•org (Kevin Hilman)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH RESEND] reset: sunxi: fix spinlock initialization
Date: Thu, 15 Jan 2015 10:37:41 -0800 [thread overview]
Message-ID: <7hd26fopoq.fsf@deeprootsystems.com> (raw)
In-Reply-To: <1421141760.4519.5.camel@pengutronix.de> (Philipp Zabel's message of "Tue, 13 Jan 2015 10:36:00 +0100")
Philipp Zabel <p.zabel@pengutronix•de> 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 <tyler.baker@linaro•org>
>> > > Cc: <stable@vger•kernel.org>
>> >
>> > Acked-by: Maxime Ripard <maxime.ripard@free-electrons•com>
>>
>> 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 <p.zabel@pengutronix•de>
Applied to arm-soc/fixes with ack from Philipp.
Thanks,
Kevin
prev parent reply other threads:[~2015-01-15 18:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-12 15:54 [PATCH RESEND] reset: sunxi: fix spinlock initialization Tyler Baker
2015-01-12 16:17 ` Maxime Ripard
2015-01-12 22:13 ` Olof Johansson
2015-01-13 0:41 ` Tyler Baker
2015-01-13 9:36 ` Philipp Zabel
2015-01-15 18:37 ` Kevin Hilman [this message]
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