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SubjectRe: [PATCH v2 1/4] NTP: rtc: Add CONFIG_RTC_SYSTOHC_DEVICE for NTP synchronization
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Hi Paul,

Paul Bolle <pebolle@tiscali.nl> wrote 2015-06-01 PM 04:27:40:
>
> Re: [PATCH v2 1/4] NTP: rtc: Add CONFIG_RTC_SYSTOHC_DEVICE for NTP
> synchronization
>
> On Fri, 2015-05-29 at 22:46 +0800, Xunlei Pang wrote:
> > --- a/drivers/rtc/Kconfig
> > +++ b/drivers/rtc/Kconfig
>
> > config RTC_HCTOSYS_DEVICE
> > string "RTC used to set the system time"
> > - depends on RTC_HCTOSYS = y || RTC_SYSTOHC = y
> > + depends on RTC_HCTOSYS = y
>
> RTC_HCTOSYS and RTC_SYSTOHC are bool symbols. The "= y" test is not
> needed and the common idiom is to use only
> depends on RTC_HCTOSYS
>
> Since you're touching this you might as well switch to that idiom.
>
> > default "rtc0"
> > help
> > The RTC device that will be used to (re)initialize the system
> > minutes if userspace reports synchronized NTP status.
>
> > +config RTC_SYSTOHC_DEVICE
> > + string "RTC used to synchronize NTP adjustment"
> > + depends on RTC_SYSTOHC = y
>
> Likewise.

Yea, thanks for pointing this out.

-Xunlei

>
> > + default "rtc0"
> > + help
> > + The RTC device used for NTP synchronization. The main difference
> > + between RTC_HCTOSYS_DEVICE and RTC_SYSTOHC_DEVICE is that this
> > + one can sleep when setting time, because it runs in the
workqueue
> > + context.
>
>
> Paul Bolle
>

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