linux-kernel - Re: [rtc-linux] Re: [PATCH 1/7] Blackfin RTC driver: the frequency function is in units of Hz, not units of seconds, so lock our driver down to 1 Hz

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Message-ID: <8bd0f97a0712040829i116496deu384453c6eccfa252@mail.gmail.com>
Date:	Tue, 4 Dec 2007 11:29:11 -0500
From:	"Mike Frysinger" <vapier.adi@...il.com>
To:	rtc-linux@...glegroups.com
Cc:	"Bryan Wu" <bryan.wu@...log.com>, linux-kernel@...r.kernel.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	"Mike Frysinger" <michael.frysinger@...log.com>
Subject: Re: [rtc-linux] Re: [PATCH 1/7] Blackfin RTC driver: the frequency function is in units of Hz, not units of seconds, so lock our driver down to 1 Hz

On Dec 4, 2007 11:26 AM, Alessandro Zummo <alessandro.zummo@...ertech.it> wrote:
> Bryan Wu <bryan.wu@...log.com> wrote:
>
>  Hi, I fannly got some time to review the patches. Seems ok, the
>  only question is...
>
> > static int bfin_irq_set_freq(struct device *dev, int freq)
> >  {
> > -     struct bfin_rtc *rtc = dev_get_drvdata(dev);
> >       stampit();
> > -     rtc->rtc_dev->irq_freq = freq;
> > -     return 0;
> > +     return -ENOTTY;
> >  }
>
>  .. why ENOTTY here?

blah, hit "reply" in previous e-mail ...

that's what the documentation says to do as does every other rtc driver ?
-mike
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