linux-kernel - Re: [PATCH RESENT] [RTC] Add Freescale MC13783 RTC driver

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Message-ID: <20091110111001.GB8418@pengutronix.de>
Date:	Tue, 10 Nov 2009 12:10:01 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Alessandro Zummo <a.zummo@...ertech.it>
Cc:	linux-kernel@...r.kernel.org,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Paul Gortmaker <p_gortmaker@...oo.com>,
	rtc-linux@...glegroups.com
Subject: Re: [PATCH RESENT] [RTC] Add Freescale MC13783 RTC driver

On Tue, Nov 10, 2009 at 10:30:54AM +0100, Alessandro Zummo wrote:
> On Tue, 10 Nov 2009 09:32:47 +0100
> Uwe Kleine-König <u.kleine-koenig@...gutronix.de> wrote:
> 
> > +	ret = mc13783_irq_request_nounmask(priv->mc13783, MC13783_IRQ_1HZ,
> > +			mc13783_rtc_update_handler, DRIVER_NAME, priv);
> > +	if (ret)
> > +		goto err_update_irq_request;
> > +
> > +	mc13783_unlock(priv->mc13783);
> > +
> > +	priv->rtc = rtc_device_register(pdev->name,
> > +			&pdev->dev, &mc13783_rtc_ops, THIS_MODULE);
> > +
> 
>  isn't better to enable irqs after registration.
IMHO it doesn't make a difference for the 1HZ irq, still more as it
remains masked.  The reset irq should be requested before registration.

Best regards
Uwe

-- 
Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
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