linux-kernel - Re: [PATCH] rtc: s3c: Remove usage of devm_rtc_device

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Message-ID: <CAPLW+4mLdu-QGhhpFMsMK-GCS9vY9r-L0NnjyijtohfeRSiC3g@mail.gmail.com>
Date:   Tue, 19 Oct 2021 16:20:45 +0300
From:   Sam Protsenko <semen.protsenko@...aro.org>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        linux-rtc@...r.kernel.org,
        Linux Samsung SOC <linux-samsung-soc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] rtc: s3c: Remove usage of devm_rtc_device_register()

On Mon, 18 Oct 2021 at 21:57, Alexandre Belloni
<alexandre.belloni@...tlin.com> wrote:
>
> On 18/10/2021 20:32:01+0300, Sam Protsenko wrote:
> > devm_rtc_device_register() is deprecated. Use devm_rtc_allocate_device()
> > and devm_rtc_register_device() API instead.
> >
>
> If you do that, please also set the range properly, either in the same
> patch or as a follow-up.
>

No problem. Just sent patch series [1], which supersedes this one.
Time range setting is present there in [PATCH 2/4].

[1] https://lkml.org/lkml/2021/10/19/632

> > Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
> > ---
> >  drivers/rtc/rtc-s3c.c | 11 +++++++----
> >  1 file changed, 7 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
> > index e57d3ca70a78..10e591794276 100644
> > --- a/drivers/rtc/rtc-s3c.c
> > +++ b/drivers/rtc/rtc-s3c.c
> > @@ -447,15 +447,18 @@ static int s3c_rtc_probe(struct platform_device *pdev)
> >
> >       device_init_wakeup(&pdev->dev, 1);
> >
> > -     /* register RTC and exit */
> > -     info->rtc = devm_rtc_device_register(&pdev->dev, "s3c", &s3c_rtcops,
> > -                                          THIS_MODULE);
> > +     info->rtc = devm_rtc_allocate_device(&pdev->dev);
> >       if (IS_ERR(info->rtc)) {
> > -             dev_err(&pdev->dev, "cannot attach rtc\n");
> >               ret = PTR_ERR(info->rtc);
> >               goto err_nortc;
> >       }
> >
> > +     info->rtc->ops = &s3c_rtcops;
> > +
> > +     ret = devm_rtc_register_device(info->rtc);
> > +     if (ret)
> > +             goto err_nortc;
> > +
> >       ret = devm_request_irq(&pdev->dev, info->irq_alarm, s3c_rtc_alarmirq,
> >                              0, "s3c2410-rtc alarm", info);
> >       if (ret) {
> > --
> > 2.30.2
> >
>
> --
> Alexandre Belloni, co-owner and COO, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com