linux-kernel - Re: [PATCH v2 12/19] ARM: at91/rtc-at91sam9: each SoC can select the RTT device to use

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Message-ID: <20120222162442.GD9407@game.jcrosoft.org>
Date:	Wed, 22 Feb 2012 17:24:42 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	rmallon@...il.com, linux@....linux.org.uk
Subject: Re: [PATCH v2 12/19] ARM: at91/rtc-at91sam9: each SoC can select
 the RTT device to use

On 14:50 Wed 22 Feb     , Arnd Bergmann wrote:
> On Wednesday 22 February 2012, Nicolas Ferre wrote:
> > From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
> > 
> > For the RTT as RTC driver rtc-at91sam9, the platform_device structure
> > is filled during SoC initialization. This will allow to convert this
> > RTC driver as a standard platform driver.
> 
> Can you make this more elaborate? I don't see from this or the code why
> you don't just always register the RTT as "rtc-at91sam9". There seems to
> be no driver for the "at91_rtt" in tree, so I don't know if there is
> an out of tree driver binding to it.
> 
> Would it be possible to remove the compile time #if and the resetting
> of the device name if both drivers bind to the rtc name and the other
> rtt driver binds to both names?
because I see a quite some people use the rtt for something else

so I don't want to change on existing kernel

Best Regards,
J.
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