linux-kernel - Re: RTC subsystem and fractions of seconds

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Message-Id: <200701051949.00662.david-b@pacbell.net>
Date:	Fri, 5 Jan 2007 19:49:00 -0800
From:	David Brownell <david-b@...bell.net>
To:	Philippe De Muyter <phdm@...qel.be>
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: RTC subsystem and fractions of seconds

>  	Those rtc's actually have a 1/100th of second
> register.  Should the generic rtc interface not support that?

Are you implying a new userspace API, or just an in-kernel update?

Either way, that raises the question of what other features should
be included.  What sub-second precision?  Multiple alarms?  Ways
to manage output clocks?  Sub-HZ periodic alarms?

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