From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751170AbXAFECL (ORCPT ); Fri, 5 Jan 2007 23:02:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751169AbXAFECL (ORCPT ); Fri, 5 Jan 2007 23:02:11 -0500 Received: from smtp106.sbc.mail.mud.yahoo.com ([68.142.198.205]:36147 "HELO smtp106.sbc.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751170AbXAFECJ (ORCPT ); Fri, 5 Jan 2007 23:02:09 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=pacbell.net; h=Received:X-YMail-OSG:From:To:Subject:Date:User-Agent:Cc:MIME-Version:Content-Disposition:Message-Id:Content-Type:Content-Transfer-Encoding; b=MjYwg9oOGtopkMDBQnnmBuIqQFRoQe3dY4eSjdE0qUORpGhSoVWMzqW66mp4DQU2uDzgckmVbUs1JUlotZvzjdmInuqDBaqgGL0DLGasX1/VCejdwfna6ePU9C2dRBRUkRu2zeXXchyp6ehu2VVyVUK32UtQiLKcGgwvemtl7lM= ; X-YMail-OSG: dGo5uDsVM1lq6q3j1sa1v16JNbWAQVr7VWvJ0W2hMOmrh6jKtm5MSFrn7pNXJWLMOfSh30sSicJ3YtHXEEc5skZiU01hhTXRnyBQ56bIsRn5Xn39znXs From: David Brownell To: Philippe De Muyter Subject: Re: RTC subsystem and fractions of seconds Date: Fri, 5 Jan 2007 19:49:00 -0800 User-Agent: KMail/1.7.1 Cc: Linux Kernel list MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200701051949.00662.david-b@pacbell.net> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > 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?