LDP: next-20150402: twl4030 regression?

[Felipe Balbi]

Hi,

On Mon, Apr 06, 2015 at 10:17:37AM -0500, Nishanth Menon wrote:
> On 04/06/2015 10:01 AM, Mark Brown wrote:
> > On Mon, Apr 06, 2015 at 02:58:29PM +0100, Russell King - ARM Linux wrote:
> >> On Mon, Apr 06, 2015 at 08:53:36AM -0500, Nishanth Menon wrote:
> > 
> >>>> at least a description of the problem you're seeing and some attempt at
> > 
> >>> Test was a simple boot test. There seems to be a lockdep reported at the
> >>> very least in the log provided (see
> >>> https://github.com/nmenon/kernel-test-logs/blob/next-20150402/omap2plus_defconfig/ldp.txt#L488
> >>> ).
> > 
> >> I think what Mark is trying to say is to include a fuller description of
> >> the problem, and don't expect people to fire up their web browser to get
> >> a basic overview of what the problem is.
> > 
> > Yes, indeed.  I hadn't actually opened the links, I might've got round
> > to it later on.
> > 
> >> My guess is that the problem _appears_ to be that someone's added a call
> >> to debug_check_no_locks_held() into schedule_hrtimeout_range_clock()
> >> without considering what this means.
> > 
> >> What it means is that you can't now use usleep_range() from within any
> >> driver probe function - which is absolutely absurd.
> > 
> > I can't think of any regulator side changes which might be relevant in
> > that period.  It's possible that there might be something in the MFD I
> > guess.
> > 
> 
> Ran a few tests since my original email..
> 
> 6261b06de565baafa590e58a531a1a5522cea0b6 ("regulator: Defer lookup of
> supply to regulator_get") was the only patch that was introduced in
> the interval. there seems nothing in mfd either.
> 
> I still have the following in my log.. trying to further down.

I noticed a similar warning with AM437x SK

-- 
balbi
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