From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755897AbYIHXon (ORCPT ); Mon, 8 Sep 2008 19:44:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754495AbYIHXof (ORCPT ); Mon, 8 Sep 2008 19:44:35 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:48731 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753250AbYIHXoe (ORCPT ); Mon, 8 Sep 2008 19:44:34 -0400 Date: Mon, 08 Sep 2008 16:44:27 -0700 (PDT) Message-Id: <20080908.164427.216880550.davem@davemloft.net> To: david-b@pacbell.net Cc: James.Bottomley@hansenpartnership.com, torvalds@linux-foundation.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-parisc@vger.kernel.org, alessandro.zummo@towertech.it Subject: Re: [PATCH] fix RTC_CLASS regression with PARISC From: David Miller In-Reply-To: <200809081629.21125.david-b@pacbell.net> References: <1220914847.8074.81.camel@localhost.localdomain> <20080908.160441.124972717.davem@davemloft.net> <200809081629.21125.david-b@pacbell.net> X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: David Brownell Date: Mon, 8 Sep 2008 16:29:20 -0700 > That said, there's a bit of unresolved stuff around NTP hooks > in the kernel. Some patches are pending to let thtem work with > the RTC framework -- where writing an RTC may need to sleep, > for example because the RTC is on an I2C or SPI bus. And > then there's the discussion of whether that shouldn't all be > handled by NTPD anyway, no special kernel support desired. > Alessandro has opinions there. ;) My update_persistent_clock() on sparc64 is: int update_persistent_clock(struct timespec now) { struct rtc_device *rtc = rtc_class_open("rtc0"); if (rtc) return rtc_set_mmss(rtc, now.tv_sec); return -1; } and that should handle this NTP shouldn't it?