[PATCH 1/1] mmc: sdhci: fix lockdep error on tunning routine

[Shawn Guo]

On Mon, Dec 23, 2013 at 07:13:04PM +0800, Dong Aisheng wrote:
> It's strange that this issue did not happen on kernel 3.10.17 with the same
> code.

Probably just because you did not turn on CONFIG_PROVE_LOCKING on your
3.10.17 kennel.

Shawn

> And looking at the code, before call spin_lock we already disable the mmc
> controller irq, per on my understanding, the deadlock given by lockdep may not
> be able to happen(pls fix me if wrong).
> May the lockdep not track the specific irq disable?
> Copy lockdep guy to comment.
> ---