[PATCH] reset: sunxi: fix spinlock initialization

Maxime Ripard maxime.ripard at free-electrons.com
Thu Jan 8 01:30:44 PST 2015


Hi Tyler,

On Wed, Jan 07, 2015 at 04:54:39PM -0800, Tyler Baker wrote:
> Call spin_lock_init() before the spinlocks are used, 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 at linaro.org>

Thanks for this patch.

Can you send this to stable too please?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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