linux-kernel - Re: [PATCH 1/2] rtc: mxc: add a second clock

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Message-ID: <20150604221756.GD713@piout.net>
Date:	Fri, 5 Jun 2015 00:17:56 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Philippe Reynes <tremyfr@...il.com>
Cc:	shawn.guo@...aro.org, kernel@...gutronix.de,
	linux@....linux.org.uk, a.zummo@...ertech.it, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	rtc-linux@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	fabio.estevam@...escale.com
Subject: Re: [PATCH 1/2] rtc: mxc: add a second clock

On 04/06/2015 at 23:08:03 +0200, Philippe Reynes wrote :
> >You are getting the rate but don't you need to clk_prepare_enable()?
> 
> This IP needs the clock reference rate for his configuration,
> so I think that I only need the rate.
> 

I think we need to check whether we are guaranteed to get a result from
get_rate even if the clock is not enabled.


-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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