Re: Regulator regression in next-20180305

From: Tony Lindgren
Date: Tue Mar 06 2018 - 12:18:29 EST


* Fabio Estevam <festevam@xxxxxxxxx> [180306 16:57]:
> Hi Mark,
>
> On Tue, Mar 6, 2018 at 1:30 PM, Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> > diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
> > index e685f8b94acf..2c5b20a97f51 100644
> > --- a/drivers/regulator/core.c
> > +++ b/drivers/regulator/core.c
> > @@ -159,7 +159,7 @@ static void regulator_lock_supply(struct regulator_dev *rdev)
> > {
> > int i;
> >
> > - for (i = 0; rdev; rdev = rdev_get_supply(rdev), i++)
> > + for (i = 1000; rdev; rdev = rdev_get_supply(rdev), i++)
> > mutex_lock_nested(&rdev->mutex, i);
>
> With this change the log is a bit different, but still get a kernel hang:
> https://pastebin.com/eF08TnuT

That patch does not seem to change anything for me. The errors
I posted yesterday for mmc0 only happen on duovero, other omap
variants just fail silently with no cards showing.

Regards,

Tony