linux-kernel - Re: [PATCH v2 1/4] NTP: rtc: Add CONFIG_RTC_SYSTOHC

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Message-ID: <20150611190801.GO5222@piout.net>
Date:	Thu, 11 Jun 2015 21:08:01 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Xunlei Pang <xlpang@....com>
Cc:	linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com,
	Alessandro Zummo <a.zummo@...ertech.it>,
	John Stultz <john.stultz@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Xunlei Pang <pang.xunlei@...aro.org>,
	Paul Bolle <pebolle@...cali.nl>
Subject: Re: [PATCH v2 1/4] NTP: rtc: Add CONFIG_RTC_SYSTOHC_DEVICE for NTP
 synchronization

Hi,

On 02/06/2015 at 17:14:34 +0800, Xunlei Pang wrote :
> +config RTC_SYSTOHC
> +	bool "Set the RTC time based on NTP synchronization"
> +	default y
> +	help
> +	  If you say yes here, the system time (wall clock) will be stored
> +	  in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
> +	  minutes if userspace reports synchronized NTP status.
> +
> +config RTC_SYSTOHC_DEVICE
> +	string "RTC used to synchronize NTP adjustment"
> +	depends on RTC_SYSTOHC
> +	default "rtc0"

To make that working nicely with current configurations, I would use:
default RTC_HCTOSYS_DEVICE


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