From mboxrd@z Thu Jan 1 00:00:00 1970 From: olof@lixom.net (Olof Johansson) Date: Mon, 12 Jan 2015 14:13:25 -0800 Subject: [PATCH RESEND] reset: sunxi: fix spinlock initialization In-Reply-To: <20150112161706.GO4891@lukather> References: <1421078086-27946-1-git-send-email-tyler.baker@linaro.org> <20150112161706.GO4891@lukather> Message-ID: <20150112221325.GE22090@quad.lixom.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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. -Olof