Re: [v4.5-rc3 REGRESSION] rcar_sound-related WARN_ON()

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Hi Morimoto-san,

On Thu, Feb 18, 2016 at 10:01 AM, Kuninori Morimoto
<kuninori.morimoto.gx@xxxxxxxxxxx> wrote:
>> > > I tried this patch, but It didn't use this printk().
>> > > Am I wrong ?
>> > >
>> > > -------------
>> > > diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c
>> > > index 01c0e37..85c1166 100644
>> > > --- a/drivers/regulator/da9210-regulator.c
>> > > +++ b/drivers/regulator/da9210-regulator.c
>> > > @@ -167,6 +167,8 @@ static irqreturn_t da9210_irq_handler(int irq, void *data)
>> > >                         goto error_i2c;
>> > >
>> > >                 ret = IRQ_HANDLED;
>> > > +       } else if (val != handled) {
>> > > +               printk("---val %x : %x\n", val, handled);
>> > >         }
>> >
>> > That's what I meant.
>> > Do you still see the "irq 311: nobody cared"?
>> > Do you have the DA9210 driver enabled?
>
> You can reproduce it by
>
>         > git checkout git checkout renesas-drivers-2016-02-09-v4.5-rc3
>         > cp ${Laurent's .config} ${LINUX}

I don't have Laurent's config, and only remote access to Lager.

> and boot, and wait few second

Da9210 and da9063 share the same interrupt. Perhaps da9063 is keeping
the interrupt line asserted?

Do you have the DA9063 driver enabled?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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