Hi Alexandre Belloni,
Thanks for the feedback.
> -----Original Message-----
> Subject: Re: [PATCH 3/6] rtc: da9063: Use dev_err_probe()
>
> On 01/12/2023 13:30:05+0000, Biju Das wrote:
> > Hi Geert,
> >
> > Thanks for the feedback.
> >
> > > -----Original Message-----
> > > From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> > > Subject: Re: [PATCH 3/6] rtc: da9063: Use dev_err_probe()
> > >
> > > Hi Biju,
> > >
> > > On Fri, Dec 1, 2023 at 12:08 PM Biju Das
> > > <biju.das.jz@xxxxxxxxxxxxxx>
> > > wrote:
> > > > Replace dev_err()->dev_err_probe() to simpilfy probe().
> > > >
> > > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > >
> > > Thanks for your patch!
> > >
> > > > --- a/drivers/rtc/rtc-da9063.c
> > > > +++ b/drivers/rtc/rtc-da9063.c
> > > > @@ -488,8 +480,9 @@ static int da9063_rtc_probe(struct
> > > > platform_device
> > > *pdev)
> > > > IRQF_TRIGGER_LOW |
> > > IRQF_ONESHOT,
> > > > "ALARM", rtc);
> > > > if (ret)
> > > > - dev_err(&pdev->dev, "Failed to request ALARM
> > > IRQ %d: %d\n",
> > > > - irq_alarm, ret);
> > > > + return dev_err_probe(&pdev->dev, ret,
> > > > + "Failed to request
> > > > + ALARM
> > > IRQ %d\n",
> > > > + irq_alarm);
> > >
> > > This changes behavior: before, this was not considered fatal.
> >
> > Agreed. Maybe a separate patch?
> >
> > if there is no irqhandler on platform with IRQ populated nothing will
> > work, RTC won't work as "rtc_update_irq " updated in irq handler.
> > I think it is a fatal condition.
>
> This is not true, an RTC can wake up a system without an IRQ.
Agreed, I will restore the behaviour for this case.
It may not be fatal. But basic "hwclock -r" from userspace won't
work as " RTC_FEATURE_UPDATE_INTERRUPT" set and there is no irqhandler.
Cheers,
Biju
Cheers,
Biju
>
> >
> > Cheers,
> > Biju
> >
> > >
> > > >
> > > > ret = dev_pm_set_wake_irq(&pdev->dev, irq_alarm);
> > > > if (ret)
> > >
> > > The rest LGTM, so with the above fixed/clarified:
> > > Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> > >
> > > Gr{oetje,eeting}s,
> > >
> > > Geert
> > >
> > > --
> > > Geert Uytterhoeven -- There's lots of Linux beyond ia32 --
> > > geert@linux- m68k.org
> > >
> > > 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
>
> --
> Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel
> engineering
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