From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sun, 23 Jan 2005 19:54:26 +0000 (GMT) Received: from alg138.algor.co.uk ([IPv6:::ffff:62.254.210.138]:63401 "EHLO mail.linux-mips.net") by linux-mips.org with ESMTP id ; Sun, 23 Jan 2005 19:54:16 +0000 Received: from dea.linux-mips.net (localhost.localdomain [127.0.0.1]) by mail.linux-mips.net (8.13.1/8.13.1) with ESMTP id j0NJpU4d010133; Sun, 23 Jan 2005 19:51:30 GMT Received: (from ralf@localhost) by dea.linux-mips.net (8.13.1/8.13.1/Submit) id j0NJpTlR010132; Sun, 23 Jan 2005 19:51:29 GMT Date: Sun, 23 Jan 2005 19:51:29 +0000 From: Ralf Baechle To: Thiemo Seufer Cc: Manish Lachwani , linux-mips@linux-mips.org Subject: Re: [PATCH] TX4927 processor can support different speeds Message-ID: <20050123195129.GA1806@linux-mips.org> References: <20050123192318.GA22681@prometheus.mvista.com> <20050123194140.GL15265@rembrandt.csv.ica.uni-stuttgart.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050123194140.GL15265@rembrandt.csv.ica.uni-stuttgart.de> User-Agent: Mutt/1.4.1i Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 7013 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Sun, Jan 23, 2005 at 08:41:40PM +0100, Thiemo Seufer wrote: > > Based on the feedback from Toshiba, the TX4927 processor can support different > > speeds. Attached patch takes care of that. If you find this approach reasonable, > > can you please check it in > > Shoudn't this better be tunable via /proc? By the time that interface becomes available interrupt timers would already have been missprogrammed. Try to calibrate the CPU timer against some external timer such as the RTC instead. It's already being done on the Indy. Ralf