Re: [PATCH v7 08/10] rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK

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On Tue, 23 Sep 2014 12:33:26 +0200
Johan Hovold <johan@xxxxxxxxxx> wrote:

> On Tue, Sep 23, 2014 at 11:38:48AM +0200, Boris BREZILLON wrote:
> 
> > @@ -328,6 +328,7 @@ static int at91_rtc_probe(struct platform_device *pdev)
> >  	struct sam9_rtc	*rtc;
> >  	int		ret, irq;
> >  	u32		mr;
> > +	unsigned int	sclk_rate;
> >  
> >  	irq = platform_get_irq(pdev, 0);
> >  	if (irq < 0) {
> > @@ -385,11 +386,27 @@ static int at91_rtc_probe(struct platform_device *pdev)
> >  		return -ENOMEM;
> >  	}
> >  
> > +	rtc->sclk = devm_clk_get(&pdev->dev, NULL);
> > +	if (IS_ERR(rtc->sclk))
> > +		return PTR_ERR(rtc->sclk);
> > +
> > +	sclk_rate = clk_get_rate(rtc->sclk);
> > +	if (!sclk_rate || sclk_rate > AT91_RTT_RTTRST) {
> 
> You probably meant AT91_RTT_RTPRES here.

Yes, that's what I meant.
Nice catch!

Thanks,

Boris


-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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