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From: boris.brezillon@free-electrons.com (Boris BREZILLON)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 08/10] rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK
Date: Tue, 23 Sep 2014 13:05:06 +0200	[thread overview]
Message-ID: <20140923130506.3433c5a3@bbrezillon> (raw)
In-Reply-To: <20140923103326.GA404@localhost>

On Tue, 23 Sep 2014 12:33:26 +0200
Johan Hovold <johan@kernel.org> 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

  reply	other threads:[~2014-09-23 11:05 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-23  9:38 [PATCH v7 00/10] rtc: at91sam9: add DT support Boris BREZILLON
2014-09-23  9:38 ` [PATCH v7 01/10] rtc: at91sam9: remove references to mach specific headers Boris BREZILLON
2014-09-23  9:38 ` [PATCH v7 02/10] rtc: at91sam9: use standard readl/writel functions instead of raw versions Boris BREZILLON
2014-09-23  9:38 ` [PATCH v7 03/10] rtc: at91sam9: replace devm_ioremap by devm_ioremap_resource Boris BREZILLON
2014-09-23  9:38 ` [PATCH v7 04/10] rtc: at91sam9: add DT support Boris BREZILLON
2014-09-23  9:38 ` [PATCH v7 05/10] rtc: at91sam9: make use of syscon/regmap to access GPBR registers Boris BREZILLON
2014-09-23  9:38 ` [PATCH v7 06/10] rtc: at91sam9: rework the Kconfig description Boris BREZILLON
2014-09-23 10:08   ` Nicolas Ferre
2014-09-23 10:11     ` Boris BREZILLON
2014-09-23 10:39     ` Johan Hovold
2014-09-23  9:38 ` [PATCH v7 07/10] ARM: at91: add clk_lookup entry for RTT devices Boris BREZILLON
2014-09-23  9:38 ` [PATCH v7 08/10] rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK Boris BREZILLON
2014-09-23 10:33   ` Johan Hovold
2014-09-23 11:05     ` Boris BREZILLON [this message]
2014-09-23  9:38 ` [PATCH v7 09/10] rtc: at91sam9: add DT bindings documentation Boris BREZILLON
2014-09-23  9:38 ` [PATCH v7 10/10] mfd: syscon: add Atmel GPBR DT bindings documention Boris BREZILLON

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