Subject: [PATCH 1/7] mfd: twl4030-power: Fix hang on reboot if sleep configuration was loaded earlier

From: [email-masked] (Tony Lindgren)
Date: Tue, 20 May 2014 08:07:49 -0700

* Lee Jones <[email-masked]> [140520 08:02]:
> On Tue, 13 May 2014, Tony Lindgren wrote:
> 
> > Looks like we can still hit the issue of wrong load order of
> > twl4030 configuration. If we have a sleep configuration loaded,
> > and do a warm reset, the device can hang while initializing the
> > wakeup12 sequence. We do have a warning message about wrong order
> > of twl4030 configuration, but in this case it does not help as
> > the sleep configuration was loaded during the previous boot and
> > the state of twl4030 is maintained throughout the warm reset.
> > 
> > Fix the issue by clearing any existing sleep configuration
> > before we load the warm reset configuration.
> > 
> > Cc: Peter Ujfalusi <[email-masked]>
> > Signed-off-by: Tony Lindgren <[email-masked]>
> > ---
> >  drivers/mfd/twl4030-power.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> 
> Can't vouch for the semantics of the patch, but the code looks good.
> 
>   Acked-by: Lee Jones <[email-masked]>
> 
> Can I just apply this, or would you like Peter to review it first?

As far as I'm concerned you can go ahead an apply, it's been
floating on the list for a while and Peter is probably busy
with other things.

Regards,

Tony