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

[Dong Aisheng]

On Mon, Dec 23, 2013 at 08:23:17PM +0800, Shawn Guo wrote:
> 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.
> 

I did turn it on for the test.

Regards
Dong Aisheng

> 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.
> > ---
>